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$141 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 6/12. 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 6/8
Sat 6/15

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In the last 7 days travelers have searched 43,895,468 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$141
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, +61 more

ANA, Aer Lingus, +62 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, +61 more

ANA, Aer Lingus, +62 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

5/29Wed
2 stopsSpirit Airlines
19h 37mBOS-SEA
6/5Wed
2 stopsSpirit Airlines
24h 16mSEA-BOS
$209
6/4Tue
2 stopsSpirit Airlines
29h 22mBOS-SEA
6/11Tue
2 stopsSpirit Airlines
21h 50mSEA-BOS
$210
5/31Fri
1 stop
14h 20mBOS-SEA
6/4Tue
2 stops
33h 56mSEA-BOS
$242
5/30Thu
1 stop
8h 30mBOS-SEA
6/4Tue
2 stops
22h 51mSEA-BOS
$258
5/28Tue
1 stopAmerican Airlines
10h 35mBOS-SEA
6/4Tue
1 stopAmerican Airlines
7h 16mSEA-BOS
$262
5/29Wed
1 stopUnited Airlines
9h 46mBOS-SEA
6/5Wed
1 stopUnited Airlines
8h 14mSEA-BOS
$264
6/4Tue
1 stopAmerican Airlines
9h 42mBOS-SEA
6/25Tue
1 stopAmerican Airlines
10h 25mSEA-BOS
$269
5/31Fri
1 stopUnited Airlines
8h 42mBOS-SEA
6/10Mon
1 stopUnited Airlines
8h 55mSEA-BOS
$296
5/31Fri
1 stopSun Country Air
8h 05mBOS-SEA
6/3Mon
1 stopSun Country Air
14h 18mSEA-BOS
$305
6/6Thu
1 stopSun Country Air
14h 28mBOS-SEA
6/10Mon
1 stopSun Country Air
13h 07mSEA-BOS
$309

Search by stops

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Recent one-way flight deals

6/12Wed
3 stopsSpirit Airlines
29h 30mBOS-SEA
$141
5/29Wed
1 stopAmerican Airlines
10h 01mBOS-SEA
$143
5/29Wed
3 stops
25h 59mBOS-SEA
$150
6/3Mon
1 stopSun Country Air
28h 40mBOS-SEA
$153
6/11Tue
1 stopSun Country Air
8h 01mBOS-SEA
$155
6/26Wed
2 stops
28h 29mBOS-SEA
$165
5/16Thu
1 stopUnited Airlines
9h 18mBOS-SEA
$169
5/21Tue
1 stopUnited Airlines
8h 48mBOS-SEA
$171
6/11Tue
nonstopDelta
6h 15mBOS-SEA
$179
6/6Thu
nonstopDelta
6h 17mBOS-SEA
$204

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to Seattle

Last minute flight, train and bus deals

5/14Tue
multi-stopUnited Airlines
9h 33mBOS-SEA
5/18Sat
multi-stopUnited Airlines
7h 42mSEA-BOS
$364
5/14Tue
nonstopDelta
6h 17mBOS-SEA
5/18Sat
nonstopDelta
5h 28mSEA-BOS
$407
5/13Mon
multi-stopSpirit Airlines
20h 10mBOS-SEA
5/21Tue
multi-stopSpirit Airlines
33h 10mSEA-BOS
$408
5/14Tue
multi-stopSpirit Airlines
20h 10mBOS-SEA
5/21Tue
multi-stopSpirit Airlines
23h 15mSEA-BOS
$423
5/14Tue
multi-stop
26h 50mBOS-SEA
5/21Tue
multi-stop
23h 15mSEA-BOS
$437
5/13Mon
multi-stop
21h 05mBOS-SEA
5/21Tue
multi-stop
33h 53mSEA-BOS
$448
5/14Tue
nonstopJetBlue
6h 05mBOS-SEA
5/18Sat
multi-stopJetBlue
10h 45mSEA-BOS
$471
5/10Fri
multi-stopAlaska Airlines
26h 30mBOS-SEA
5/11Sat
nonstopAlaska Airlines
5h 28mSEA-BOS
$482
5/14Tue
multi-stopJetBlue
8h 27mBOS-SEA
5/24Fri
nonstopJetBlue
5h 29mSEA-BOS
$519
5/13Mon
nonstopAlaska Airlines
6h 15mBOS-SEA
5/20Mon
nonstopAlaska Airlines
5h 25mSEA-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:

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