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LON - SEA

$267 Find cheap flights from London to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Seattle departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Tue 7/2
Tue 7/9

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Seattle.
In the last 7 days travelers have searched 42,335,261 times on KAYAK, and here is why:

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Cheap flight deals from London to Seattle (LON-SEA)

 
These are the cheapest deals for flights from London to Seattle currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from London to Seattle

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from London to Seattle.

Recent one-way flight deals from London to Seattle

Only flying one-way? Below are some of the best one-way flight deals from London to Seattle found on KAYAK recently.

Recent last minute flight deals from London to Seattle

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from London to Seattle.

Recent direct flight deals from London to Seattle

The latest deals for direct flights from London to Seattle so you can sit back and relax without the need for a layover.

Cheap bus & train deals from London to Seattle

Find recent round-trip train or bus tickets from London to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:45 pm - 2:40 pmLHR-SEA
9h 55mnonstop
3:20 pm - 8:45 amSEA-LHR
9h 25mnonstop
Thu, Oct 24 - Tue, Nov 12
4:50 pm - 7:15 pmLHR-SEA
10h 25mnonstop
6:00 am - 6:50 amSEA-LHR
16h 50m1 stop
Thu, Oct 24 - Tue, Nov 12
4:35 pm - 7:00 pmLHR-SEA
10h 25mnonstop
6:30 am - 7:05 amSEA-LHR
16h 35m1 stop
$624Virgin Atlantic
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Thu, Nov 21 - Thu, Dec 5
4:50 pm - 7:20 pmLHR-SEA
10h 30mnonstop
10:59 pm - 8:10 pmSEA-LHR
13h 11m1 stop
$629Virgin Atlantic
Find Deal
Mon, Sep 16 - Sun, Sep 22
4:50 pm - 7:15 pmLHR-SEA
10h 25mnonstop
6:05 pm - 11:40 amSEA-LHR
9h 35mnonstop
$649Delta
Find Deal
Thu, Oct 24 - Sun, Nov 10
8:40 am - 5:02 pmLGW-SEA
40h 22m2 stops
11:59 pm - 4:35 pmSEA-LGW
32h 36m2 stops
$690British Airways
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Mon, Sep 16 - Sun, Sep 22
2:50 pm - 5:45 pmLHR-SEA
9h 55mnonstop
6:45 pm - 12:05 pmSEA-LHR
9h 20mnonstop
$695British Airways
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Sun, Oct 27 - Mon, Nov 11
11:45 am - 4:50 pmLHR-SEA
13h 05m1 stop
12:35 am - 7:05 amSEA-LHR
22h 30m1 stop
$713Delta
Find Deal
Wed, Oct 23 - Sun, Nov 10
9:45 am - 11:30 amLHR-SEA
9h 45mnonstop
11:59 pm - 6:25 amSEA-LHR
22h 26m1 stop
$714American Airlines
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Thu, Sep 12 - Sun, Sep 22
9:45 am - 11:30 amLHR-SEA
9h 45mnonstop
7:40 pm - 1:00 pmSEA-LHR
9h 20mnonstop
$765American Airlines
Find Deal
Thu, Sep 12 - Sun, Sep 22
12:00 pm - 10:48 amLGW-SEA
30h 48m1 stop
Tue, Sep 17
12:00 pm - 8:21 pmLGW-SEA
16h 21m1 stop
Sun, Sep 22
12:00 pm - 8:21 pmLGW-SEA
16h 21m1 stop
Tue, Oct 1
1:05 pm - 8:35 pmLHR-SEA
15h 30m1 stop
$471Icelandair
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Wed, Oct 2
1:05 pm - 8:35 pmLHR-SEA
15h 30m1 stop
$535Icelandair
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Tue, Oct 1
9:50 am - 11:35 amLHR-SEA
9h 45mnonstop
$704British Airways
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Mon, Sep 16
2:50 pm - 4:45 pmLHR-SEA
9h 55mnonstop
$742British Airways
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Sun, Nov 17
9:45 am - 11:30 amLHR-SEA
9h 45mnonstop
$758Iberia
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Sun, Sep 15
9:05 am - 10:45 pmLCY-SEA
21h 40m2 stops
$817Aer Lingus
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Fri, Oct 25
8:30 pm - 5:01 pmLCY-SEA
28h 31m1 stop
$838Aer Lingus
Find Deal
Mon, Sep 2
9:25 pm - 11:20 amLHR-SEA
21h 55m1 stop
6:55 pm - 8:20 pmSEA-LHR
17h 25m1 stop
$692Icelandair
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Wed, Jun 5 - Tue, Jun 11
9:25 pm - 8:35 pmLHR-SEA
31h 10m1 stop
6:55 pm - 11:55 amSEA-LHR
33h 00m1 stop
$718Icelandair
Find Deal
Fri, Jun 7 - Mon, Jun 10
9:50 am - 11:35 amLHR-SEA
9h 45mnonstop
7:40 pm - 1:00 pmSEA-LHR
9h 20mnonstop
$1,003British Airways
Find Deal
Wed, Jun 5 - Tue, Jun 11
2:25 pm - 9:57 pmLHR-SEA
15h 32m1 stop
7:40 pm - 1:00 pmSEA-LHR
9h 20mnonstop
$1,016British Airways
Find Deal
Fri, Jun 7 - Mon, Jun 10
9:55 am - 10:57 pmLHR-SEA
21h 02m2 stops
5:10 am - 6:15 amSEA-LHR
17h 05m2 stops
$1,090American Airlines
Find Deal
Fri, Jun 7 - Fri, Jun 14
6:30 am - 4:35 pmLHR-SEA
18h 05m1 stop
12:40 am - 7:15 amSEA-LHR
22h 35m1 stop
$1,173Delta
Find Deal
Wed, Jun 5 - Mon, Jun 10
9:50 am - 11:35 amLHR-SEA
9h 45mnonstop
12:20 am - 6:25 amSEA-LHR
22h 05m1 stop
$1,190American Airlines
Find Deal
Wed, Jun 5 - Mon, Jun 10
12:45 pm - 2:40 pmLHR-SEA
9h 55mnonstop
4:30 pm - 9:50 amSEA-LHR
9h 20mnonstop
$1,219Virgin Atlantic
Find Deal
Fri, Jun 7 - Mon, Jun 10
4:50 pm - 7:10 pmLHR-SEA
10h 20mnonstop
7:50 am - 7:05 amSEA-LHR
15h 15m1 stop
$1,285Virgin Atlantic
Find Deal
Fri, Jun 7 - Fri, Jun 14
9:20 am - 4:35 pmLCY-SEA
15h 15m1 stop
6:05 pm - 4:40 pmSEA-LCY
14h 35m1 stop
$1,303Delta
Find Deal
Thu, Jun 6 - Sun, Jun 16
12:45 pm - 2:40 pmLHR-SEA
9h 55mnonstop
3:20 pm - 8:45 amSEA-LHR
9h 25mnonstop
Thu, Oct 24 - Tue, Nov 12
11:35 am - 1:30 pmLHR-SEA
9h 55mnonstop
3:20 pm - 8:45 amSEA-LHR
9h 25mnonstop
$629Virgin Atlantic
Find Deal
Thu, Nov 21 - Thu, Dec 5
4:50 pm - 7:15 pmLHR-SEA
10h 25mnonstop
6:05 pm - 11:40 amSEA-LHR
9h 35mnonstop
$649Delta
Find Deal
Thu, Oct 24 - Sun, Nov 10
2:50 pm - 5:45 pmLHR-SEA
9h 55mnonstop
6:45 pm - 12:05 pmSEA-LHR
9h 20mnonstop
$695British Airways
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Sun, Oct 27 - Mon, Nov 11
2:50 pm - 5:45 pmLHR-SEA
9h 55mnonstop
6:45 pm - 12:05 pmSEA-LHR
9h 20mnonstop
$703British Airways
Find Deal
Sun, Oct 27 - Thu, Nov 14
12:45 pm - 2:40 pmLHR-SEA
9h 55mnonstop
3:20 pm - 8:45 amSEA-LHR
9h 25mnonstop
$709Delta
Find Deal
Thu, Oct 24 - Sat, Nov 9
9:45 am - 11:30 amLHR-SEA
9h 45mnonstop
7:40 pm - 1:00 pmSEA-LHR
9h 20mnonstop
$765American Airlines
Find Deal
Thu, Sep 12 - Sun, Sep 22
9:50 am - 11:35 amLHR-SEA
9h 45mnonstop
7:40 pm - 1:00 pmSEA-LHR
9h 20mnonstop
$851American Airlines
Find Deal
Tue, Aug 27 - Wed, Sep 11
4:00 pm - 5:45 pmLHR-SEA
9h 45mnonstop
7:40 pm - 1:00 pmSEA-LHR
9h 20mnonstop
$937Iberia
Find Deal
Mon, Jul 1 - Mon, Jul 8
9:50 am - 11:35 amLHR-SEA
9h 45mnonstop
1:40 pm - 7:00 amSEA-LHR
9h 20mnonstop
$981Iberia
Find Deal
Mon, Jun 17 - Sun, Jun 30

Flights from London to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from London to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest London to Seattle flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from London to Seattle.
Our data shows that the cheapest route for a one-way flight from London to Seattle cost $665 and was between London Heathrow Airport and Seattle. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $693.

What’s the cheapest day of the week to fly from London to Seattle?

The average price of all flights from London to Seattle clicked on KAYAK for each day over the last 12 months.
When flying from London to Seattle, you should consider leaving on a Wednesday and avoid Saturdays if you are looking for the best rates. For your return to London, you’ll find the best rates on Tuesdays and the most expensive ones on Saturdays.

What is the cheapest month to fly from London to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London to Seattle is November, where tickets cost $568 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is $903 and $858 respectively.

How far in advance should I book a flight from London to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from London to Seattle, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 43 days before departure.

Which airlines fly most frequently between London and Seattle?

British Airways connects London to Seattle with up to 2 flights per day. Delta also offers 2 flights per day, while Virgin Atlantic follows with 1 flight per day.

Which airlines fly non-stop between London and Seattle?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from London to Seattle.
There are 3 airlines that fly nonstop from London to Seattle. They are: British Airways, Delta and Virgin Atlantic. The cheapest price of all airlines flying this route was found with Virgin Atlantic at $537 for a one-way flight. On average, the best prices for this route can be found at Virgin Atlantic.

How many flights are there between London and Seattle per day?

Each day, there are between 5 and 7 nonstop flights that take off from London and land in Seattle, with an average flight time of 9h 53m. The most common departure time is 9:00 am and most flights take off in the afternoon. Each week, there are 39 flights. The most frequent day of departure is Thursday, when 18% of all weekly flights depart. The fewest flights depart on a Friday.

Which cabin class options are there for flights between London and Seattle?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from London to Seattle take?

Nonstop flights from London generally make it to Seattle in 9h 45m. The flying distance between the two cities is 4,790 miles.

What’s the earliest departure time from London to Seattle?

Early birds can take the earliest flight from London at 9:45 am and will be landing in Seattle at 11:30 am.

What’s the latest departure time from London to Seattle?

If you prefer to fly at night, the latest flight from London to Seattle jets off at 4:50 pm and lands at 7:10 pm.

Good to know

Low season

January

High season

July

Cheapest flight

$267
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from London Gatwick Airport to Seattle

When to book flights from London to Seattle

Are your dates flexible? Find out the best times to travel from London to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from London to Seattle

  • Are there any passenger lounges at Stansted Airport?

    Those flying from London’s Stansted Airport (STN) can relax in style at the Escape Lounge. You can find this lounge in the main departure area once you have passed through security and the duty-free area. You can pre-book your entry into the lounge for £25 per person, however infants younger than 2 years can enter free of charge. The lounge is open from 4:00 – 22:30 daily.

  • How do I travel from Seattle Airport into the city?

    If you would like to use public transport to travel into the city from Seattle Airport, you can catch the Red Line of the Link Light Rail train system from the airport station to Pioneer Square Station in downtown Seattle. The trip takes about 40min. There are also a number of bus services that can take you throughout the greater Seattle area, including the 574 line to Tacoma, taking approximately 30min.

  • How do I get to Gatwick Airport?

    The fastest way to get to London’s Gatwick Airport (LGW) using public transport from Central London is to take the Gatwick Express train. You can catch this train from Victoria Station every day from 5:00 – midnight. This train runs every 15min, stopping at Gatwick Airport’s South Terminal and taking 30min. Alternatively, the Thameslink also runs to Gatwick Airport in 30min from London Bridge Station every 20min.

  • What restaurants are there at Heathrow Airport?

    If you have time before you fly from Heathrow Airport (LHR), you can enjoy a wide range of restaurants and dining options throughout the airport, depending on which terminal you are flying from. If you’re looking for a sit-down meal, you can find the Gorgeous Kitchen in Terminal 2, The Curator or The Cavier House & Prunier in Terminal 3, The Prince of Wales or Comptoir Libanais in Terminal 4 or the Crown Rivers Bar & Food at Terminal 5.

  • What is the cheapest flight from London to Seattle?

    In the last 3 days, the lowest price for a flight from London to Seattle was $267 for a one-way ticket and $479 for a round-trip.

  • Do I need a passport to fly between London and Seattle?

    A passport is required to fly from London to Seattle.

  • Which airports will I be using when flying from London to Seattle?

    London has 4 major airports: London Gatwick, London Heathrow, London Luton, and London Stansted. Seattle/Tacoma Intl is the only airport in Seattle. You’ll usually find the cheapest deals if you fly from London Heathrow Airport.

  • Which airlines offer Wi-Fi service onboard planes from London to Seattle?

    KLM, Delta, Air France, and Virgin Atlantic offer inflight Wi-Fi service on the London to Seattle flight route.

  • Which aircraft models fly most regularly from London to Seattle?

    The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the London to Seattle flight route.

  • Which airline alliances offer flights from London to Seattle?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between London and Seattle, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from London to Seattle?

    There are nonstop flights from London to Seattle on a daily basis.

  • Which is the best airline for flights from London to Seattle, Delta or Finnair?

    The two airlines most popular with KAYAK users for flights from London to Seattle are Delta and Finnair. With an average price for the route of $773 and an overall rating of 8.0, Delta is the most popular choice. Finnair is also a great choice for the route, with an average price of $764 and an overall rating of 7.7.

  • How does KAYAK find such low prices on flights from London to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from London is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from London to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $767 or less one-way and $782 or less round-trip.
  • Seattle-Tacoma Airport (SEA) is located approximately 20min from downtown Seattle and serves nearby cities in northern Washington state, including Olympia (1h 15min away), Everett (1h 15min away) and Tacoma (45min away).
  • Before your flight from London to Seattle, you will need to register your travel plans. The UK has a visa waiver agreement with the USA and British Passport holders can apply online for the Electronic System for Travel Authorization (ESTA). This grants you entry into the USA and travel for up to 90 days.
  • If you’re not in Seattle long and would like to explore the city without all of your luggage, you can store your bags at Smarte Carte in the baggage claim area in the main terminal of Seattle Airport. Smarte Carte also has copying and postal services and travel convenience items for sale.
  • Those who are a little lost and need some help or advice on airport facilities can find airport volunteers throughout Seattle Airport. The volunteers can point the way to things like restaurants and stores but do not escort passengers to connecting flights.
  • If you’re looking for things to do at Seattle Airport after your flight from London to Seattle, you can go on an art walk through the terminal. To find out information on the individual pieces of art, you can download the STQRY app by following links to the airport website.
See more tips

Prefer to fly non-stop from London to Seattle?

Find which airlines fly direct from London to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

London to Seattle/Tacoma Intl

Monday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Tuesday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Wednesday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Thursday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Friday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Saturday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Sunday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to London

Monday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Tuesday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Wednesday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Thursday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Friday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Saturday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

Sunday

Aer Lingus, Aeromexico, Air France, +8 more

Aer Lingus, Aeromexico, +9 more

See more direct flights
See more direct flights

Top 5 airlines serving from London to Seattle

 
See real verified KAYAK customer reviews for airlines flying from London to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from London to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10410 reviews
8.0Entertainment
8.2Boarding
7.4Food
7.9Comfort
8.6Crew
Airline reviews

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

10.0 ExcellentDonald, May 2024FLL - SEA
Read more about Delta reviews

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

Delta is one of the best airlines I have flown

It was a Red-Eye flight so was not comfortable enough to sleep, but seat was as expected. Crew was great and in-flight entertainment was excellent. Flight was smooth

Standard economy seats on Deltas 767 were better than Alaska premium seats on their 737 MAX9; more legroom, wider seats. Entertainment was great, no ipad or phone required. Could have included a meal service.

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Flight was on time, the crew was personable & professional, & the plane arrived early which was nice.

This flight landed early, but deplaned late. We were stuck sitting and waiting for a gate for over an hour

My flight was very clean and the location was comfortable. The service was great. A satisfying flight!

I appreciated being upgraded. I was very disappointed with my 13 hr layover in Seattle to geg, while my friends who flew Alaska made it home as scheduled. I had to reserve a hotel on my dime.

Cabin crew on our flight showed lack of any customer service gruff and acting annoyed if you asked anything and I mean anything Example a man on the seat over dropped his beer on my husbands blanket We asked if we could switch out blankets cabin crew Said. No we don’t have any extras OK well can you take the wet one Cabin crew looked disgusted and annoyed Took it no OK or yes just a growl

Quick flight. But cabin crew were very noisy and talking too much, especially when we were seated at the back of the plane trying to sleep through the night .

My ticket was for Premium Economy and all the seats were taken, I was placed in Economy class and I’m looking for a refund.

Unfortunately delayed 2 hrs due to faulty tyre.. which had to be changed, but better safe than sorry.

The delay was an issue. Other than that. Every thing good

Hi vergin Atlantic service was good but the flight ticket agent travel up charge me extra 57 pounds as a airport charges, actually I refuse to pay but they say if I not pay £57 then they say you will not be able to travel from Heathrow to goa ,so for me there was no option and it was just 3 day before my departure so i paid, so please look in to the matter. And I have a receipt of £ 57 as well .thanks

Staff didn’t check cabin well for landing seemed more interested in chatting to each other. Food was poor and differed from pre order.

We were in the last group to be called to the flight - which was 30 minutes late taking off. While we were lucky enough to have been given bulkhead seats (due to a medical condition I’d told them about beforehand) the seats weren’t particularly comfortable. A crying baby for the whole trip made things worse, so the crew managed very well with coping. The final thing I’d say was that there wasn’t enough food served during the flight.

Very good. Glad we had Premium for the flight out.

We flew Upper Class from London to The Turks and Caicos. Check in was amazing. Our ldriver too us directly to a special entrance to terminal 3. It took 10 minutes to check in and clear customs. Amazing! The VA lounge is large and comfortable. Boarding the flight was easy and without a wait. The crew was excellent. But the seats were awful, strange and uncomfortable. Having a comfortable flat bed seat is the reason we pays 1000s extra. The VA 787 uses a reverse herringbone configuration. Look it up. You have your back to the window and are facing the aisle with no privacy. Turning the seat into a bed requires assistance from the crew so not very spontaneous. . The food was ok. A bit tasteless and meager portions. Had to pay for WiFi. I believe VA has other configuration on their dream airbus flights. Lots of stuff about all this on YouTube where you can see what I have been describing. I can not recommend taking VA on a long flight with these seats.

As no headphones/ ear pieces in back of seat for entertainment system, would have been to been offered rather than asking & waiting a long time. I know we are in economy but cost of ticket was high.

i suspect i caught flu on this flight as i could hear someone coughing a few rows back and ended up with flu a few days later. also tiresome to have to watch movies on my device by holding up smartphone screen, would have liked to have in seat display.

Somehow I got “offloaded” even though I had my boarding pass and was in transit Food is horrible Staff were nice and cheerful No headphones were provided on 11 hours flight

The staff were very helpful with lots of refreshments on offer. The toilets were clean. The seats were comfortable and entertainment was good. No complaints, it was excellent.

The main flight was OK but the second flight was chaotic with delays

amazing! they were so kind and allowed us to sit on empty seats so we could stretch our legs and sleep good. Food is amazing as well plus dessert in the middle of the flight!

I had trouble finding a boarding pass because I had an hour between Flights and American did not see my flight I believe because I was ticketed through KAYAK. I did not have enough time to go to the desk before boarding so I went to the desk and told them while I was boarding and they had a boarding pass for me within three minutes. Nice. I paid extra to have more legroom and it is definitely worth it for a six hour flight. I would’ve paid for a decent dinner, but they didn’t offer anything but a snack box —not good for six hours.

All the British airways staff were very helpful and friendly. Every thing was very smooth running from checking in boarding and arriving 40 minutes early. Which is a brilliant start to your holiday.

Overall it was good but not great. The aircraft was an old and seats didn’t recline in business class unless you kept playing around with it.

No nice at all, delayed and I lost the connection over xmas

Flight home was great. But, as should have been expected, Newark Liberty airport sucked.

Food was low quality as well as quantity; I ordered vegetarian. We waited 35 MINUTES for the first bag to arrive after landing.

Ability to select seating would be nice. We were family of three and they had us seated back to back and one of us on the other side of the plane??? That is pretty goofy. Especially when tickets were placed two months in advance.

It was not Iberia. It was with United. It was great!!!

We had a seat that would not function. No Wifi or inflight entertainment was available. Food was very poor. Attendants were very accommodating and apologized for the problems.

They offered several meals and snacks, the crew was very friendly and kind. There was a broad selection of movies, shows, and games. I was impressed!

My son and I are 193 cm tall. We had reserved and paid for seats with extra leg room towards the front of the cabin. The day of the flight, we learned that Iberia had changed aircraft. We were assigned regular seats way back in the cabin. When we landed from our first leg we spoke with agents at the gate and we were told that they couldn’t improve our seats because the flight was full.

Our flight was delayed by 2-hrs but I understand it was beyond the scope of the crew members

Booked with Iberia but flight was with Level. This switch of airlines was not published anyware and I was not made aware. Service was horrible, attendants were rude and nowhere to be found. Interior of plane was disgusting and dirty, trash on the floor, bathrooms were dirty (probably because flight attendants were not collecting trash from passengers). I have never encountered this on any other flight or airline. A public bus or metro in Los Angeles is 10 times cleaner. Had I known this was not an Iberia flight I would not have booked this tickets.

Other than a late takeoff (not British Airways fault) and some delays with baggage, it was a terrific flight. The crew in business class was superb and the seat and accommodations clean and modern. Could not have asked for more.

My worst flying experience so far. This flight was delayed a total of 42 hours and diverted to New York before it was finally cancelled. It was delayed 4 and a half hours in London. As we were scanning our boarding passes at the gate they advised that the flight was being diverted to JFK since the delays caused us to missed the open hours for Charlotte international customs and immigration. We were assured multiple times by airport personnel, flight attendants, and the Pilot that we would land at JFK go through customs and immigration and then reboard the plane to fly to Charlotte in the same night. When we landed in New York the pilot advised us as we were retrieving our carry on luggage that we were delayed till 10am the next morning and to see guest services to get a room for the night. During this time I had to purchase a room for a family member in Charlotte which drove over 4 and a half hours to pick us up from Charlotte. This could have been avoided if American Airlines had been up front about the delay. Then after standing in line for over 2 and a half hours at guest services we were taken by taxi to a hotel 30 minutes out of the way. Luckily I looked for other flights that night and found one at 8 am to get on. The initial flight which we were scheduled to fly to charlotte in was delayed 12 more times and was finally cancelled 42 hours after it was supposed to land. I am unaware of what happened to the guest that were supposed to fly on the flight after we were placed on another flight but 42 hours in delays for a direct flight is absolutely ridiculous.

The boarding to Gatwick was a breeze but the boarding from Gatwick was a nightmare. The onboard service to Gatwick had a lot to be desired but the onboard sevice from Gatwick was amazing ! Very nice,friendly and funny ! Would I recommend BA to anyone.? ! Yes I would!

Really quick check in and security at Heathrow Terminal 5. Staff on board were lovely and very friendly. Could have provided a few more drinks on the flight but they were available at the back of the plane.

Flight delayed an hour due to plane maintenance issues after getting in line to board. Issue was plane galley ovens which eliminated hot meals for overseas flight. Cold selections were limited due to availability. Drink and meal service (already an hour delayed) was very slow. Upon arrival in Nashville, had to sit at gate for about 15 minutes before disembarking with no explanation. Local police then boarded plane as we were disembarking so maybe that was the issue.

Boarding good. Seats uncomfortable when lie flat. Food was awful. Tasted stale and chicken was dry. No live tv or flight map. Had to pay for internet.

Poor technical details on this plane. 1) There was no WiFi on an 8 hour long-haul flight. So no work could be done. That's below the standard expected for airlines these days. 2) The power outlet at my seat was busted and not working. 3) The headphone jack was loose and I had to keep adjusting my headphones to get good reception, or when it slipped out. - The flight was delayed to due mechanics. Sometimes this can't be avoided, I understand, and it's a big inconvenience to arrive that much later when traveling across time zones (then arriving at 4am from the prior time zone). - Also unique to this flight, the northern lights were visible on the right side of the aircraft, but I only found out after we landed (b/c again no wifi). I understand there are considerations about people being out of their seats to look, but I feel extremely disappointed and resentful that I wasn't told so that I could have a chance to look at this probably once-in-a-lifetime cosmic event from a view in the sky. - Flight crew was otherwise friendly and helpful.

I would have preferred something lighter for the second meal. Maybe a small sandwich .

They cancelled our flight the morning of departure at 4:30am.

my original flight was cancelled the previous day, and i was rescheduled onto this flight, which left much earlier in the morning, impacting my previous evening and requiring me to get up much earlier in the morning to get to the airport online. This practice happens way way way too much, and it seems on every airline, though AA is probably the worst.

The crew was very attentive and kept busy serving a variety of treats!

Book cheap flights from London to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Seattle found on KAYAK in the last 72 hours.
9/17Tue
1 stop
30h 48mLGW-SEA
$267
9/22Sun
1 stop
16h 21mLGW-SEA
$301
10/1Tue
1 stop
16h 21mLGW-SEA
$308
10/2Wed
1 stopIcelandair
15h 30mLHR-SEA
$471
10/1Tue
1 stopIcelandair
15h 30mLHR-SEA
$535
9/16Mon
nonstopBritish Airways
9h 45mLHR-SEA
$704
11/17Sun
nonstopBritish Airways
9h 55mLHR-SEA
$742
9/15Sun
nonstopIberia
9h 45mLHR-SEA
$758
10/25Fri
2 stopsAer Lingus
21h 40mLCY-SEA
$817
9/2Mon
1 stopAer Lingus
28h 31mLCY-SEA
$838

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Last minute flights from London to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Seattle that are departing in the next 10 days.
6/5Wed
multi-stopIcelandair
21h 55mLHR-SEA
6/11Tue
multi-stopIcelandair
17h 25mSEA-LHR
$692
6/7Fri
multi-stopIcelandair
31h 10mLHR-SEA
6/10Mon
multi-stopIcelandair
33h 00mSEA-LHR
$718
6/5Wed
nonstopBritish Airways
9h 45mLHR-SEA
6/11Tue
nonstopBritish Airways
9h 20mSEA-LHR
$1,003
6/7Fri
multi-stopBritish Airways
15h 32mLHR-SEA
6/10Mon
nonstopBritish Airways
9h 20mSEA-LHR
$1,016
6/7Fri
multi-stopAmerican Airlines
21h 02mLHR-SEA
6/14Fri
multi-stopAmerican Airlines
17h 05mSEA-LHR
$1,090
6/5Wed
multi-stopDelta
18h 05mLHR-SEA
6/10Mon
multi-stopDelta
22h 35mSEA-LHR
$1,173
6/5Wed
nonstopAmerican Airlines
9h 45mLHR-SEA
6/10Mon
multi-stopAmerican Airlines
22h 05mSEA-LHR
$1,190
6/7Fri
nonstopVirgin Atlantic
9h 55mLHR-SEA
6/10Mon
nonstopVirgin Atlantic
9h 20mSEA-LHR
$1,219
6/7Fri
nonstopVirgin Atlantic
10h 20mLHR-SEA
6/14Fri
multi-stopVirgin Atlantic
15h 15mSEA-LHR
$1,285
6/6Thu
multi-stopDelta
15h 15mLCY-SEA
6/16Sun
multi-stopDelta
14h 35mSEA-LCY
$1,303

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - London

Cabin classes:

$8,988
$3,683
$1,651
$693