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$134 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 5/29. 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
mar. 6/4
mar. 6/11

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In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$134
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 21% 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, +60 more

ANA, Aer Lingus, +61 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 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, +60 more

ANA, Aer Lingus, +61 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 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

6/4mar.
2 stopsSpirit Airlines
29h 32mBOS-SEA
6/11mar.
2 stopsSpirit Airlines
14h 38mSEA-BOS
$172
6/4mar.
2 stopsSpirit Airlines
29h 32mBOS-SEA
6/11mar.
2 stopsSpirit Airlines
14h 38mSEA-BOS
$173
6/5mié.
1 stop
11h 11mBOS-SEA
6/11mar.
2 stops
14h 38mSEA-BOS
$246
6/3lun.
2 stops
29h 45mBOS-SEA
6/7vie.
1 stop
13h 24mSEA-BOS
$252
5/15mié.
1 stopAmerican Airlines
10h 34mBOS-SEA
5/26dom.
1 stopAmerican Airlines
9h 40mSEA-BOS
$262
5/15mié.
1 stopAmerican Airlines
10h 34mBOS-SEA
5/22mié.
1 stopAmerican Airlines
8h 47mSEA-BOS
$264
5/31vie.
1 stopSun Country Air
14h 20mBOS-SEA
6/3lun.
1 stopSun Country Air
14h 18mSEA-BOS
$305
6/6jue.
1 stopSun Country Air
14h 28mBOS-SEA
6/10lun.
1 stopSun Country Air
13h 07mSEA-BOS
$309
5/25sáb.
1 stopUnited Airlines
8h 49mBOS-SEA
5/31vie.
1 stopUnited Airlines
7h 47mSEA-BOS
$322
5/17vie.
1 stopUnited Airlines
9h 18mBOS-SEA
5/25sáb.
1 stopUnited Airlines
9h 01mSEA-BOS
$331

Search by stops

Search by airline

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Recent one-way flight deals

5/29mié.
3 stopsSpirit Airlines
29h 35mBOS-SEA
$134
6/2dom.
3 stopsSpirit Airlines
33h 36mBOS-SEA
$135
6/4mar.
1 stopAmerican Airlines
11h 58mBOS-SEA
$143
6/3lun.
1 stopSun Country Air
28h 40mBOS-SEA
$153
6/6jue.
1 stopSun Country Air
14h 28mBOS-SEA
$155
6/26mié.
3 stops
20h 09mBOS-SEA
$162
5/29mié.
1 stopJetBlue
8h 27mBOS-SEA
$163
6/13jue.
2 stops
34h 28mBOS-SEA
$168
5/22mié.
1 stopAmerican Airlines
10h 45mBOS-SEA
$178
5/29mié.
nonstopJetBlue
6h 05mBOS-SEA
$179

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to Seattle

Last minute flight, train and bus deals

5/10vie.
multi-stopSpirit Airlines
19h 14mBOS-SEA
5/13lun.
multi-stopSpirit Airlines
14h 33mSEA-BOS
$342
5/9jue.
multi-stopSpirit Airlines
32h 00mBOS-SEA
5/13lun.
multi-stopSpirit Airlines
33h 10mSEA-BOS
$395
5/9jue.
nonstopJetBlue
6h 05mBOS-SEA
5/13lun.
nonstopJetBlue
5h 29mSEA-BOS
$397
5/10vie.
multi-stop
19h 14mBOS-SEA
5/18sáb.
multi-stop
18h 18mSEA-BOS
$412
5/10vie.
nonstopJetBlue
6h 05mBOS-SEA
5/17vie.
multi-stopJetBlue
10h 45mSEA-BOS
$422
5/9jue.
multi-stopAmerican Airlines
10h 35mBOS-SEA
5/13lun.
multi-stopAmerican Airlines
8h 13mSEA-BOS
$427
5/10vie.
multi-stopAmerican Airlines
8h 47mBOS-SEA
5/14mar.
multi-stopAmerican Airlines
8h 40mSEA-BOS
$428
5/9jue.
multi-stop
8h 00mBOS-SEA
5/13lun.
multi-stop
23h 15mSEA-BOS
$437
5/10vie.
nonstopDelta
6h 17mBOS-SEA
5/13lun.
multi-stopDelta
8h 14mSEA-BOS
$466
5/9jue.
nonstopDelta
6h 13mBOS-SEA
5/14mar.
nonstopDelta
5h 32mSEA-BOS
$537

Search by stops

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Massachusetts

Cabin classes:

$1,416
$1,148
$780
$170