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$78 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
Sun 6/30
Sun 7/7

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In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$78
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

9/9Mon
2 stopsSpirit Airlines
23h 24mBOS-SEA
9/11Wed
2 stopsSpirit Airlines
25h 59mSEA-BOS
$196
9/10Tue
2 stopsSpirit Airlines
23h 18mBOS-SEA
9/15Sun
2 stopsSpirit Airlines
27h 43mSEA-BOS
$198
7/2Tue
2 stops
28h 32mBOS-SEA
8/28Wed
2 stops
15h 10mSEA-BOS
$228
9/18Wed
nonstop
6h 14mBOS-SEA
9/20Fri
2 stops
27h 43mSEA-BOS
$267
9/3Tue
nonstopJetBlue
6h 13mBOS-SEA
9/5Thu
1 stopJetBlue
10h 14mSEA-BOS
$276
8/13Tue
1 stopAmerican Airlines
8h 58mBOS-SEA
8/27Tue
1 stopAmerican Airlines
11h 29mSEA-BOS
$296
8/27Tue
nonstopAlaska Airlines
6h 17mBOS-SEA
9/4Wed
nonstopAlaska Airlines
5h 15mSEA-BOS
$297
9/4Wed
nonstopJetBlue
6h 21mBOS-SEA
9/5Thu
1 stopJetBlue
10h 14mSEA-BOS
$301
8/27Tue
1 stopAlaska Airlines
10h 06mBOS-SEA
9/3Tue
nonstopAlaska Airlines
5h 15mSEA-BOS
$306
9/26Thu
1 stopAmerican Airlines
10h 16mBOS-SEA
10/5Sat
1 stopAmerican Airlines
8h 22mSEA-BOS
$343

Search by stops

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Recent one-way flight deals

8/27Tue
2 stopsSpirit Airlines
23h 24mBOS-SEA
$78
9/10Tue
2 stopsSpirit Airlines
23h 24mBOS-SEA
$79
9/3Tue
1 stopAmerican Airlines
8h 46mBOS-SEA
$122
9/18Wed
1 stopAmerican Airlines
10h 02mBOS-SEA
$123
7/2Tue
2 stops
28h 32mBOS-SEA
$133
8/26Mon
1 stopSun Country Air
18h 36mBDL-SEA
$145
8/27Tue
nonstopJetBlue
6h 13mBOS-SEA
$149
8/26Mon
2 stops
29h 55mBDL-SEA
$159
6/10Mon
1 stopSun Country Air
30h 48mBDL-SEA
$163
9/19Thu
1 stopJetBlue
12h 39mBOS-SEA
$168

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to Seattle

Last minute flight, train and bus deals

6/5Wed
multi-stopSpirit Airlines
24h 51mBOS-SEA
8/24Sat
multi-stopSpirit Airlines
13h 50mSEA-BOS
$276
6/5Wed
multi-stop
23h 48mBOS-SEA
8/24Sat
multi-stop
13h 50mSEA-BOS
$293
6/5Wed
multi-stopSun Country Air
23h 48mBOS-SEA
6/11Tue
multi-stopSun Country Air
14h 02mSEA-BOS
$375
6/5Wed
multi-stopSun Country Air
23h 48mBOS-SEA
6/7Fri
multi-stopSun Country Air
22h 16mSEA-BOS
$395
6/5Wed
nonstopDelta
6h 17mBOS-SEA
8/24Sat
nonstopDelta
5h 26mSEA-BOS
$477
6/5Wed
multi-stopJetBlue
8h 27mBOS-SEA
6/11Tue
nonstopJetBlue
5h 29mSEA-BOS
$484
6/3Mon
nonstopAlaska Airlines
6h 05mBOS-SEA
6/7Fri
nonstopAlaska Airlines
5h 26mSEA-BOS
$502
6/3Mon
multi-stopAlaska Airlines
8h 42mBOS-SEA
6/7Fri
nonstopAlaska Airlines
5h 25mSEA-BOS
$511
6/5Wed
multi-stopJetBlue
8h 27mBOS-SEA
6/11Tue
nonstopJetBlue
5h 29mSEA-BOS
$519
6/5Wed
nonstopDelta
6h 17mBOS-SEA
6/9Sun
nonstopDelta
5h 30mSEA-BOS
$537

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