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$99 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.
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In the last 7 days travelers have searched 42,332,103 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$99
Best time to beat the crowds with an average 19% 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, +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

8/21qua
1 stopSpirit Airlines
16h 21mBOS-SEA
8/28qua
1 stopSpirit Airlines
10h 37mSEA-BOS
$199
8/21qua
2 stopsSpirit Airlines
17h 21mBOS-SEA
8/28qua
1 stopSpirit Airlines
10h 37mSEA-BOS
$217
6/6qui
3 stops
33h 12mBOS-SEA
6/11ter
2 stops
21h 50mSEA-BOS
$250
6/5qua
2 stops
35h 28mBOS-SEA
6/11ter
2 stops
21h 50mSEA-BOS
$256
6/21sex
1 stopSun Country Air
15h 52mBDL-SEA
6/22sáb
1 stopSun Country Air
15h 46mSEA-BDL
$275
5/27seg
1 stopSun Country Air
15h 00mBDL-SEA
5/30qui
1 stopSun Country Air
14h 00mSEA-BDL
$280
8/21qua
1 stopAmerican Airlines
8h 38mBOS-SEA
8/26seg
1 stopAmerican Airlines
9h 41mSEA-BOS
$285
9/21sáb
nonstopAlaska Airlines
6h 14mBOS-SEA
9/25qua
nonstopAlaska Airlines
5h 15mSEA-BOS
$307
8/13ter
1 stopAmerican Airlines
8h 38mBOS-SEA
8/20ter
1 stopAmerican Airlines
9h 35mSEA-BOS
$310
10/2qua
nonstopAlaska Airlines
6h 22mBOS-SEA
10/24qui
nonstopAlaska Airlines
5h 13mSEA-BOS
$317

Search by stops

Search by airline

Search by price

Recent one-way flight deals

8/27ter
1 stopSpirit Airlines
16h 21mBOS-SEA
$99
5/29qua
3 stops
32h 44mBOS-SEA
$104
6/21sex
1 stopSun Country Air
15h 52mBDL-SEA
$130
6/3seg
1 stopSun Country Air
9h 59mBOS-SEA
$130
8/19seg
1 stopUnited Airlines
8h 21mBOS-SEA
$139
9/18qua
1 stopAmerican Airlines
8h 35mBOS-SEA
$142
6/8sáb
1 stopJetBlue
10h 04mBOS-SEA
$163
9/30seg
1 stopJetBlue
12h 39mBOS-SEA
$169
10/17qui
1 stopAmerican Airlines
8h 35mBOS-SEA
$177
6/10seg
1 stopUnited Airlines
8h 49mBOS-SEA
$188

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to Seattle

Last minute flight, train and bus deals

5/21ter
multi-stopAmerican Airlines
11h 52mBOS-SEA
6/11ter
multi-stopAmerican Airlines
12h 08mSEA-BOS
$484
5/22qua
multi-stop
19h 37mBOS-SEA
5/27seg
multi-stop
7h 34mSEA-BOS
$493
5/21ter
multi-stop
20h 16mBOS-SEA
5/25sáb
multi-stop
13h 18mSEA-BOS
$507
5/21ter
multi-stopSpirit Airlines
25h 05mBOS-SEA
5/25sáb
multi-stopSpirit Airlines
30h 33mSEA-BOS
$535
5/21ter
multi-stopAlaska Airlines
11h 54mBOS-SEA
6/11ter
nonstopAlaska Airlines
5h 25mSEA-BOS
$536
5/20seg
multi-stopAmerican Airlines
8h 47mBOS-SEA
5/31sex
multi-stopAmerican Airlines
10h 33mSEA-BOS
$540
5/21ter
nonstopDelta
6h 17mBOS-SEA
6/11ter
nonstopDelta
5h 30mSEA-BOS
$547
5/22qua
nonstopDelta
6h 17mBOS-SEA
5/27seg
nonstopDelta
5h 28mSEA-BOS
$557
5/22qua
multi-stopSpirit Airlines
19h 37mBOS-SEA
5/31sex
multi-stopSpirit Airlines
37h 17mSEA-BOS
$562
5/18sáb
multi-stopAlaska Airlines
9h 53mBOS-SEA
5/25sáb
nonstopAlaska Airlines
5h 24mSEA-BOS
$596

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
$1,076
$771
$183