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IAH - LIS

$591 Find cheap flights from Houston George Bush Airport to Lisbon

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from George Bush Intcntl to Lisbon departing on 7/28. 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
Sat 6/22
Sat 6/29

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Lisbon.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Lisbon.
In the last 7 days travelers have searched 43,800,826 times on KAYAK, and here is why:

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Cheap flight deals from George Bush Intcntl to Lisbon (IAH-LIS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from George Bush Intcntl to Lisbon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
9:40 pm - 9:50 pmIAH-LIS
18h 10m1 stop
8:45 pm - 7:55 pmLIS-IAH
29h 10m2 stops
Mon, Nov 11 - Mon, Nov 18
3:55 pm - 9:50 pmIAH-LIS
23h 55m1 stop
3:40 pm - 2:10 pmLIS-IAH
28h 30m1 stop
$669British Airways
Find Deal
Mon, Nov 11 - Mon, Nov 18
12:00 pm - 10:30 amIAH-LIS
17h 30m2 stops
12:15 pm - 2:05 pmLIS-IAH
31h 50m1 stop
$683United Airlines
Find Deal
Wed, Oct 30 - Tue, Nov 5
6:10 pm - 9:20 amIAH-LIS
33h 10m2 stops
5:00 am - 9:58 pmLIS-IAH
22h 58m2 stops
$756Air Canada
Find Deal
Fri, Nov 8 - Sun, Nov 17
6:10 pm - 9:20 amIAH-LIS
33h 10m2 stops
11:00 am - 9:58 pmLIS-IAH
16h 58m1 stop
$763Air Canada
Find Deal
Fri, Nov 8 - Sun, Nov 17
6:24 am - 8:00 amIAH-LIS
19h 36m1 stop
5:40 am - 1:35 pmLIS-IAH
13h 55m1 stop
$1,022Delta
Find Deal
Sun, Jun 9 - Wed, Jun 19
6:24 am - 8:00 amIAH-LIS
19h 36m1 stop
10:00 am - 9:03 pmLIS-IAH
17h 03m2 stops
$1,027Delta
Find Deal
Sun, Jun 9 - Tue, Jun 18
4:50 pm - 10:30 amIAH-LIS
11h 40m1 stop
11:25 am - 2:52 pmLIS-IAH
33h 27m2 stops
$1,048United Airlines
Find Deal
Tue, Sep 24 - Mon, Oct 7
3:50 pm - 5:55 pmIAH-LIS
20h 05m1 stop
6:50 pm - 1:35 pmLIS-IAH
24h 45m1 stop
$1,077Air France
Find Deal
Mon, Jun 10 - Thu, Jul 25
3:50 pm - 5:55 pmIAH-LIS
20h 05m1 stop
12:10 pm - 11:59 pmLIS-IAH
17h 49m2 stops
$1,094Air France
Find Deal
Thu, Jun 6 - Tue, Jun 18

Flights from George Bush Intcntl to Lisbon - Travel Insights & Trends

Get data-powered insights and trends into flights from George Bush Intcntl to Lisbon to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Houston George Bush Airport to Lisbon?

The average price of all flights from Houston George Bush Intcntl Airport to Lisbon clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Lisbon on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Houston George Bush Airport to Lisbon. For your return ticket, we recommend flying on a Wednesday and avoiding Thursdays for the best deals.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Lisbon?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Houston George Bush Intcntl Airport to Lisbon, 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 Houston George Bush Intcntl Airport to Lisbon is February, where tickets cost $775 on average. On the other hand, the most expensive months are May and June, where the average cost of tickets is $1,681 and $1,584 respectively.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Lisbon?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Houston George Bush Intcntl Airport to Lisbon, 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 Houston George Bush Intcntl Airport to Lisbon, you should book around 3 days before departure. For the absolute cheapest price, our data suggests you should book 40 days before departure.

Which airlines provide the cheapest flights from Houston George Bush Airport to Lisbon?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Houston George Bush Airport to Lisbon found on KAYAK was with British Airways for $857. British Airways proposed a round-trip connection from $669 and United Airlines from $683.

Good to know

Low season

January

High season

November

Cheapest flight

$591
Best time to beat the crowds with an average 35% drop in price.
Most popular time to fly and prices are also 31% lower on average.
Flight from Houston George Bush Airport to Lisbon

When to book flights from George Bush Intcntl to Lisbon

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to Lisbon 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 Houston George Bush Airport to Lisbon flights

  • Does LIS Airport have any currency exchanges?

    As you arrive in Lisbon, you will need to exchange your currency for euros to allow easier transactions while in Portugal. LIS Airport has a few currency exchanges where you can get these services. Unicambios Currency Exchange has a desk at the arrivals desk, at the entrance to the South Pier, at the baggage claim desk, and in the Lisbon Airport Underground Station.

  • Is public transport available from LIS Airport to the city center?

    As is the case with a majority of European cities, Lisbon is well connected to a public transport system that allows the locals to move from one point to another with ease. Humberto Delgado Airport has a subway station with a line connecting directly to the city center. This is one of the cheapest ways to get to the city center. However, if you would rather go for convenience, taking a taxi would be a better idea since they will drop you off at any destination you want.

  • How far is IAH from downtown Houston?

    George Bush Intercontinental Airport is about two miles away from downtown Houston meaning travelers have to deal with a conveniently short commute to the airport. This gives you multiple options since you can either take a taxi or use the metro to get to the airport. In terms of convenience, a taxi is the best option since they will pick you up wherever you are and drop you off at the airport, right outside the terminal buildings.

  • How can I get cheaper flight tickets?

    You can save a few dollars on flight tickets by booking your tickets a month or two in advance. by booking this early, you will be able to avoid the price hikes that usually happen as the date of travel approaches. You should also consider booking connecting flights instead of one direct flight if possible. this is because most airlines usually charge higher prices for the convenience of flying directly.

  • What is the cheapest flight from Houston George Bush Intcntl Airport to Lisbon?

    In the last 3 days, the lowest price for a flight from Houston George Bush Intcntl Airport to Lisbon was $591 for a one-way ticket and $665 for a round-trip.

  • Do I need a passport to fly between Houston George Bush Airport and Lisbon?

    Yes, you’ll need a passport to travel to Lisbon from Houston George Bush Airport.

  • Which aircraft models fly most regularly from Houston George Bush Airport to Lisbon?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Houston George Bush Airport to Lisbon?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Houston George Bush Airport and Lisbon, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Lisbon from Houston George Bush Airport?

    London is the most popular layover city among KAYAK users traveling from Houston George Bush Airport to Lisbon.

  • Which is the best airline for flights from Houston to Lisbon, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from Houston to Lisbon are Delta and KLM. With an average price for the route of $1,135 and an overall rating of 8.0, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $1,075 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Houston George Bush Airport to Lisbon?

    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 Houston George Bush Airport to Lisbon.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston George Bush Airport to Lisbon?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon from Houston George Bush Airport 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 Houston George Bush Airport to Lisbon?

    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 Lisbon with an airline and back to Houston George Bush Airport with another airline. Booking your flights between Houston George Bush Airport and LIS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Houston George Bush Airport to Lisbon?

    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 Lisbon from Houston George Bush Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Houston George Bush Intcntl Airport to Lisbon

  • When flying out of George Bush Intercontinental Airport (IAH), ensure you arrive at the airport at least 3 hours before your departure time. Arriving this early gives you enough time to navigate the long security queues and ensures that you are ready for boarding once the gates open.
  • If you plan to leave your car at IAH, consider the offsite parking lots instead of using airport parking. Offsite parking is usually significantly cheaper than airport parking and you could end up saving up to fifty percent.
  • Traveling mums will be happy to hear that Humberto Delgado Airport (LIS) has multiple baby care facilities all over Terminals 1 and 2. These rooms feature a range of amenities that include changing tables, sinks, countertops, and electric outlets.
  • When flying out of IAH, you should consider staying at Houston Airport Marriott at George Bush Intercontinental the night before. This hotel is conveniently located at the airport thus eliminating the need for a long airport commute. It also is connected to all terminals via an underground tram service meaning you’re almost guaranteed to arrive on time.
  • Air France, KLM, American Airlines, and United Airlines each have a lounge at George Bush Intercontinental Airport. You should therefore consider booking your flight with one of these airlines to enjoy the lounge facilities before your flight.
See more tips

Top 5 airlines serving from George Bush Intcntl to Lisbon

 
See real verified KAYAK customer reviews for airlines flying from Houston to Lisbon. 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 George Bush Intcntl to Lisbon? 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 10561 reviews
8.0Entertainment
7.9Comfort
7.4Food
8.2Boarding
8.6Crew
Airline reviews

Paid premium for Delta only to be on safe but tired old 767 with ancient cabin in mediocre condition. Poor wifi and horrible inflight entertainment. Hardly a premium experience. Should have flown SW and had fun flight crew and no pretense

6.0 GoodPeter, May 2024SLC - HNL
Read more about Delta reviews

Paid premium for Delta only to be on safe but tired old 767 with ancient cabin in mediocre condition. Poor wifi and horrible inflight entertainment. Hardly a premium experience. Should have flown SW and had fun flight crew and no pretense

Our flight to Zurich was delayed by almost 3 hours, so we missed our next flight. There was no indication it would be delayed this much. We were told the gate had changed and then it apparently took over 2 hours to load the "catering" on the plane. We were not compensated in any way for the trouble.

Rated entertainment as Mediocre as there were major problems with the Infotainment system that took probably a half hour for them to fix.

Your crew could maybe answer the call bell at least one of the times I pressed it. I pressed it first time with 2.5 hours left in our flight bc my partner was hungry and wanted a sandwich. We finally got the sandwich with 40 mins left in the flight.

Half the bathrooms assigned to economy were out of action

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

They were an hour late and they didn’t have my wheelchair for me

The Flight crew didn’t serve us until about 1.5 hours into the flight because of turbulence but after it ended it was fine to move around. They served us water only and snacks and then NEVER, NOT ONE TIME came through to collect trash until right before landing about 1.5 hours later. There was absolutely no need for that. They crew was just standing around talking and visiting with each other and really never tried to see if we might want something besides water or even try to come pick up trash. This is VERY unusual for a Delta flight but it was not what I would have expected for a 4 hour flight.

The 1st class male crew member was very pleasant - the short female with round glasses , maybe in 50’s had no personality- never spoke when delivering my food, drink, & never smiled the whole trip! In fact looked annoyed when the boarding proses was happening- I would never hire this woman - unfriendly . Have never dealt with a crew member like her-

5-hour delay due to storms in Tanoa and airspace restricted by Miami traffic controllers.

The check in was horrible. I stood in line for 1 hour to check in with an Air France ticket. Then I was told I had to go to Delta counter onstead to check in instead. It made no sense.

Generally good. The crew is excellent. The food could be better.

Good aorcraft 777 but Worst food ever Breakfast was a bû’with matonnaise… Staff was nice but invisible most of the flight

Business class in the second leg - CDG-EVN was a disaster.

worst experience ever i choose my seat in advance and also have my seat selected in my boarding and the they told me that my seat has been changed without notify me

No bording was given for next trip on same carrier, food was very moderate.

No birding was given for next trip on same carrier, food was very moderate.

We transited through Chad and what was supposed to be a 1hr 20 minutes transit time lasted over 4hrs. We didn't get regular updates until we complained. After a 10hr flight from Paris no form of refreshment given and finally arrived Abuja over 6hrs later and none of my bags came

The line at boarding was not well organized and managed

Je n'ai pas pû incliner mon siège et une des hôtesses ne comprenait pas ce que je disais. Je devais parler fort

My seat was broken. WiFi didn’t work. Gate crew at HOU were rude and condescending. Treated all the passengers badly. Bad experience, United.

Not a fan of the diagonal partially enclosed business class seats or how they have to be converted to beds manually by crew. I prefer more isolation and user control for switching to lie flat.

This flight was delayed multiple times and eventually canceled around 2-3ish. Original take off time was around 10:30am. By 3, there were no other options out of Houston, so stuck in Houston for from 3pm - 11am the next day.

There was a group of school age passengers that were very loud and unruly with their chaperones were no where to be found.

Trip was smooth bumpy from the wind but no issues at all the crew attendant was very pleasant and had great customer service

I liked everything about the flight. The service was excellent!

Delayed a day due to snow storm. Was upgraded. That kind of made up for significant delays from FLL to COS with no compensation or acknowledgement.

The Polaris experience is top notch. From departure lounge to arrival lounge. Everything was top notch. One of the best first class experience

The leg space between me and the seat in front of me was excellent.

Over two hours wait to get wheelchair assistance from arrival to the departure gate for LA was unreasonable even though there appreared to be heavy demand.

Much better than previous experiences. Overall, it went smoothly after an unexpected delay and gate change.

This was a red eye return, so I doubt there would be anyway to make it better. Other than adding beds.

Direct nonstop flight was great. Flight was delayed and the crew announced a 2h delay on the sound system. 30 min or so later I hear my name on the sound system for immediate board. Several other passangers were late too. Reason: The crew incorrectly announced a 2h delay when in reality they meant a new boarding time at 2pm.

Plenty of room in the exit row. Sat on the plane an hour before taking off.☹️ Landed late and had to wait for gate availability.

Flight was on time early arrival better entertainment good staff.everything was excellent

Delayed leaving. On arrival we were taken to the airstrip and had to get off onto an over crowed bus, not all that passengers fit. Drove around the airport for 20 + minutes. Taken off the bus told to go upstairs 3 flights then all the passengers had to walk a mile or more , those of us old there was no one to direct us to were to go. I asked several people with no answers. Once I got to baggage claim my bags were not on the right bag claim. Once again asked for help and finally someone found my bags on a different carasel. Very frustrating.

Excellent host on board. Not so friendly check-in staff. Older plane with no food or entertainment due to short flight. Friendly captain and crew.

I don’t think there was entertainment? No mention of it. It was a good flight. Only complaint was my seat cushion was not attached and kept slipping.

They canceled the flight on us very close to the flight date .

It took 66 hours to get from Seattle to Tel Aviv. As a minor, I was left for more than 12 hours in Toronto and Frankfurt without hotel and food vouchers. It took 5 layovers. It was insane and not okay

Wonderful service and very comfy in the bulkhead in Economy Plus! Delicious food.

The BA team at Sky Harbor is deplorable, full of unnecessary attitude and poor communication. It seems like every member of the team was looking at another to solve the problem, instead of taking agency to do so themselves. I saw no less than 6 altercations with the same gate agent where he threatened to revoke the passengers boarding pass for asking a wildly reasonable question, something as simple as where the cue to board was. I’ve complained to BA before but it seems this isn’t an issue for them, which is very disappointing

Boarding poor in London,ok in Chicago. Don’t like Heatrow/terminal5

It was very good. We got a late start by about an hour and a half. However I worked rather have that than crash. It was purely mechanical. They had our tickets ready when we came off the plane in London for the next leg. The only mishap was when we got to Lisbon my husbands luggage made or bit mine didn't. All was not lost because I did finally get it 2 days later. I was really pleased that they c made the effort.

Leg space was not enough. The meal was not satisfactory.

Liked that my American Airlines status seamlessly transferred to BA so luggage check was free. Flights were on time, boarding quick. Wish they didn’t assign connecting gate so late at Heathrow.

The entire process was flawless and as expected flying first class. The only thing that I have a complaint on...when first boarding, the plane was EXTREMELY cold; then when we were trying to sleep, it was way too hot - just better regulating (especially trying to sleep) would have made it perfect.

- OK plane. Basic accommodations. OK food. The digital window shade wasn't working.

- OK plane. Basic accommodations. OK food. The digital window shade wasn't working. - Expect to be woken up more than an hour before landing when they start dinging the bell and making announcements and turning on all cabin lights to serve a snack. I would prefer they remain quiet and only serve people who want to wake up.

Better food and more space in the seats. Also when doing the web check in both times I was going in to your site the minute you open it and there is not really many seats to choose only to buy!!!

Book cheap flights from Houston to Lisbon

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Houston to Lisbon found on KAYAK in the last 72 hours.
7/28Sun
2 stops
20h 56mIAH-LIS
$591
7/28Sun
1 stop
16h 54mIAH-LIS
$620
5/28Tue
3 stops
51h 49mIAH-LIS
$670
5/28Tue
3 stops
57h 30mIAH-LIS
$688
5/28Tue
2 stops
42h 20mIAH-LIS
$745
6/24Mon
1 stopBritish Airways
20h 25mIAH-LIS
$857
9/24Tue
1 stopAir Canada
15h 05mIAH-LIS
$870
10/21Mon
1 stopBritish Airways
15h 15mIAH-LIS
$874
5/28Tue
1 stopAir Canada
18h 50mIAH-LIS
$956
5/28Tue
1 stopTurkish Airlines
31h 00mIAH-LIS
$1,052

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Last minute flights from George Bush Intcntl to Lisbon

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 Houston to Lisbon that are departing in the next 10 days.
5/28Tue
multi-stopUnited Airlines
16h 30mIAH-LIS
6/3Mon
multi-stopUnited Airlines
32h 50mLIS-IAH
$1,573
5/24Fri
multi-stop
27h 45mIAH-LIS
5/27Mon
multi-stop
29h 31mLIS-IAH
$1,687
5/24Fri
multi-stop
31h 41mIAH-LIS
5/26Sun
multi-stop
31h 57mLIS-IAH
$1,760
5/24Fri
multi-stop
30h 31mIAH-LIS
5/26Sun
multi-stop
55h 20mLIS-IAH
$1,762
5/24Fri
multi-stop
31h 41mIAH-LIS
5/26Sun
multi-stop
46h 43mLIS-IAH
$1,773
5/28Tue
multi-stopUnited Airlines
17h 23mIAH-LIS
6/3Mon
multi-stopUnited Airlines
33h 52mLIS-IAH
$1,887
5/24Fri
multi-stop
16h 10mIAH-LIS
5/27Mon
multi-stop
40h 58mLIS-IAH
$1,929
5/24Fri
multi-stopTurkish Airlines
31h 00mIAH-LIS
5/27Mon
multi-stopTurkish Airlines
32h 45mLIS-IAH
$2,402
5/24Fri
multi-stopAir Canada
22h 05mIAH-LIS
5/26Sun
multi-stopAir Canada
26h 56mLIS-IAH
$2,712
5/24Fri
multi-stopAir Canada
15h 40mIAH-LIS
5/26Sun
multi-stopAir Canada
35h 33mLIS-IAH
$2,981

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Houston George Bush Airport - Lisbon Flights

Departure:

Houston George Bush Airport (IAH)United States

Destination:

Lisbon (LIS)Portugal

Return flight deals:

Lisbon - Houston George Bush Airport

Cabin classes:

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