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$86 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
พ. 7/3
พ. 7/10

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Good to know

Low season

January

High season

July

Cheapest flight

$86
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

8/20อ.
1 stopSpirit Airlines
32h 49mBOS-SEA
8/27อ.
2 stopsSpirit Airlines
15h 10mSEA-BOS
$192
8/20อ.
1 stopSpirit Airlines
32h 49mBOS-SEA
8/27อ.
1 stopSpirit Airlines
22h 00mSEA-BOS
$196
9/18พ.
nonstopDelta
6h 23mBOS-SEA
10/2พ.
nonstopDelta
5h 35mSEA-BOS
$227
9/4พ.
nonstop
6h 17mBOS-SEA
9/9จ.
2 stops
23h 31mSEA-BOS
$242
9/18พ.
1 stopJetBlue
12h 39mBOS-SEA
10/1อ.
1 stopJetBlue
10h 15mSEA-BOS
$246
9/4พ.
1 stop
10h 06mBOS-SEA
9/8อา.
2 stops
27h 43mSEA-BOS
$247
9/18พ.
nonstopJetBlue
6h 21mBOS-SEA
10/2พ.
1 stopJetBlue
7h 15mSEA-BOS
$261
9/18พ.
nonstopAlaska Airlines
6h 14mBOS-SEA
9/22อา.
nonstopAlaska Airlines
5h 15mSEA-BOS
$262
9/18พ.
nonstopAlaska Airlines
6h 14mBOS-SEA
9/30จ.
1 stopAlaska Airlines
9h 35mSEA-BOS
$271
9/18พ.
nonstopDelta
6h 23mBOS-SEA
10/4ศ.
nonstopDelta
5h 22mSEA-BOS
$292

Search by stops

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Recent one-way flight deals

8/27อ.
2 stopsSpirit Airlines
29h 15mBOS-SEA
$86
8/28พ.
2 stopsSpirit Airlines
11h 29mBOS-SEA
$93
9/10อ.
1 stopAlaska Airlines
10h 06mBOS-SEA
$104
9/3อ.
nonstopJetBlue
6h 13mBOS-SEA
$114
9/3อ.
1 stopAmerican Airlines
8h 32mBOS-SEA
$123
7/2อ.
2 stops
28h 32mBOS-SEA
$133
8/21พ.
1 stopAmerican Airlines
9h 35mBOS-SEA
$143
6/10จ.
2 stops
23h 32mBDL-SEA
$147
8/21พ.
nonstopAlaska Airlines
6h 17mBOS-SEA
$149
6/14ศ.
nonstopJetBlue
6h 13mBOS-SEA
$164

Search by stops

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Search by price

Last minute flights from Massachusetts to Seattle

Last minute flight, train and bus deals

6/7ศ.
nonstopDelta
6h 17mBOS-SEA
6/16อา.
nonstopDelta
5h 27mSEA-BOS
$327
6/7ศ.
multi-stopAlaska Airlines
10h 29mBOS-SEA
6/17จ.
nonstopAlaska Airlines
5h 19mSEA-BOS
$336
6/7ศ.
multi-stopAmerican Airlines
10h 51mBOS-SEA
6/9อา.
multi-stopAmerican Airlines
9h 30mSEA-BOS
$346
6/7ศ.
multi-stop
24h 54mBOS-SEA
6/11อ.
multi-stop
14h 38mSEA-BOS
$348
6/7ศ.
multi-stopSpirit Airlines
25h 46mBOS-SEA
6/13พฤ.
multi-stopSpirit Airlines
22h 34mSEA-BOS
$355
6/7ศ.
multi-stop
24h 23mBOS-SEA
6/11อ.
multi-stop
14h 38mSEA-BOS
$368
6/6พฤ.
multi-stopSpirit Airlines
24h 51mBOS-SEA
6/10จ.
multi-stopSpirit Airlines
24h 39mSEA-BOS
$370
6/5พ.
multi-stopSun Country Air
23h 48mBOS-SEA
6/11อ.
multi-stopSun Country Air
14h 02mSEA-BOS
$395
6/7ศ.
multi-stopSun Country Air
24h 23mBOS-SEA
6/14ศ.
multi-stopSun Country Air
7h 30mSEA-BOS
$415
6/8ส.
multi-stopAmerican Airlines
10h 13mALB-SEA
6/12พ.
multi-stopAmerican Airlines
8h 31mSEA-ALB
$726

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Massachusetts

Cabin classes:

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