Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

$84 Find cheap flights from Massachusetts 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 to Seattle departing on 8/27. 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

In the last 7 days travelers have searched 42,335,261 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$84
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Boston to Seattle

FAQs for booking flights from Massachusetts to Seattle

  • How does KAYAK find such low prices on flights from Massachusetts 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 Massachusetts to Seattle.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Massachusetts 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 Massachusetts 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 Massachusetts with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts 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 Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Massachusetts to Seattle?

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

Nonstop departures

Massachusetts to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Massachusetts

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Book cheap flights from Massachusetts to Seattle

Recent round-trip flight deals

9/10Tue
2 stopsSpirit Airlines
25h 36mBOS-SEA
9/17Tue
2 stopsSpirit Airlines
22h 34mSEA-BOS
$195
8/20Tue
1 stopSpirit Airlines
32h 49mBOS-SEA
8/27Tue
1 stopSpirit Airlines
22h 00mSEA-BOS
$196
9/3Tue
nonstopJetBlue
6h 13mBOS-SEA
9/11Wed
nonstopJetBlue
5h 23mSEA-BOS
$227
9/3Tue
1 stopJetBlue
10h 40mBOS-SEA
9/11Wed
nonstopJetBlue
5h 23mSEA-BOS
$236
9/11Wed
nonstop
6h 14mBOS-SEA
9/20Fri
2 stops
27h 43mSEA-BOS
$237
9/11Wed
1 stop
10h 06mBOS-SEA
9/20Fri
2 stops
27h 43mSEA-BOS
$247
9/3Tue
nonstopAlaska Airlines
6h 14mBOS-SEA
9/15Sun
1 stopAlaska Airlines
9h 35mSEA-BOS
$271
9/4Wed
1 stopAlaska Airlines
10h 06mBOS-SEA
9/15Sun
1 stopAlaska Airlines
8h 35mSEA-BOS
$281
9/7Sat
1 stopUnited Airlines
10h 05mBOS-SEA
9/14Sat
1 stopUnited Airlines
9h 00mSEA-BOS
$286
8/6Tue
1 stopUnited Airlines
8h 25mBDL-SEA
8/11Sun
1 stopUnited Airlines
6h 57mSEA-BDL
$435

Search by stops

Search by airline

Search by price

Recent one-way flight deals

8/27Tue
2 stopsSpirit Airlines
18h 04mBOS-SEA
$84
8/27Tue
1 stopSpirit Airlines
15h 35mBOS-SEA
$91
9/18Wed
nonstopAlaska Airlines
6h 14mBOS-SEA
$113
9/3Tue
nonstopJetBlue
6h 13mBOS-SEA
$114
9/24Tue
1 stopAmerican Airlines
10h 55mBOS-SEA
$122
9/3Tue
1 stopJetBlue
10h 40mBOS-SEA
$123
7/2Tue
2 stops
28h 32mBOS-SEA
$133
9/30Mon
1 stopAmerican Airlines
9h 20mBOS-SEA
$143
9/30Mon
nonstopAlaska Airlines
6h 14mBOS-SEA
$149
6/17Mon
2 stops
19h 19mBDL-SEA
$165

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to Seattle

Last minute flight, train and bus deals

6/7Fri
nonstopDelta
6h 17mBOS-SEA
6/16Sun
nonstopDelta
5h 27mSEA-BOS
$327
6/7Fri
multi-stopAlaska Airlines
10h 29mBOS-SEA
6/14Fri
nonstopAlaska Airlines
5h 14mSEA-BOS
$336
6/7Fri
multi-stopAmerican Airlines
10h 51mBOS-SEA
6/9Sun
multi-stopAmerican Airlines
9h 30mSEA-BOS
$346
6/7Fri
multi-stop
24h 54mBOS-SEA
6/11Tue
multi-stop
14h 38mSEA-BOS
$348
6/7Fri
multi-stopSpirit Airlines
25h 46mBOS-SEA
6/13Thu
multi-stopSpirit Airlines
22h 34mSEA-BOS
$355
6/7Fri
multi-stop
24h 23mBOS-SEA
6/11Tue
multi-stop
14h 38mSEA-BOS
$368
6/6Thu
multi-stopSpirit Airlines
24h 51mBOS-SEA
6/10Mon
multi-stopSpirit Airlines
24h 39mSEA-BOS
$370
6/5Wed
multi-stopSun Country Air
23h 48mBOS-SEA
6/11Tue
multi-stopSun Country Air
14h 02mSEA-BOS
$395
6/5Wed
multi-stopSun Country Air
23h 48mBOS-SEA
6/7Fri
multi-stopSun Country Air
7h 30mSEA-BOS
$415
6/4Tue
multi-stopAmerican Airlines
9h 42mBOS-SEA
6/15Sat
multi-stopAmerican Airlines
8h 20mSEA-BOS
$576

Search by stops

Search by airline

Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Massachusetts

Cabin classes:

$1,107
$1,188
$706
$226