Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Best option Boston Seattle-Tacoma | Outbound 11/09/25 direct HA4823 06h 35min | Return 12/07/25 direct HA6628 05h 19min | | ![]() | ? | $215 | |
Boston Seattle-Tacoma | Outbound 11/09/25 direct AS0459 06h 35min | Return 12/07/25 direct AS0536 05h 19min | | ![]() | $237 | ||
Boston Seattle-Tacoma | Outbound 11/09/25 direct AS0459 06h 35min | Return 12/07/25 direct AS0536 05h 19min | | ![]() | ? | $238 | |
Boston Seattle-Tacoma | Outbound 11/09/25 direct HA4823 06h 35min | Return 12/07/25 direct HA6627 05h 21min | | ![]() | $238 | ||
Boston Seattle-Tacoma | Outbound 11/09/25 direct AS0459 06h 35min | Return 12/07/25 direct AS0536 05h 19min | | ![]() | ? | $248 | |
Boston Seattle-Tacoma | Outbound 11/09/25 direct AS0459 06h 35min | Return 12/07/25 1 Stopover (MSP) SY0286, SY0251 13h 11min | | ![]() | ? | $306 | |
Boston Seattle-Tacoma | Outbound 11/09/25 1 Stopover (MSP) SY0254, SY0285 09h 45min | Return 12/07/25 1 Stopover (MSP) SY0286, SY0251 13h 11min | | ![]() | $335 | ||
Boston Seattle-Tacoma | Outbound 11/09/25 1 Stopover (MSP) SY0254, SY0285 09h 45min | Return 12/07/25 1 Stopover (MSP) SY0286, SY0251 13h 11min | | ![]() | $352 | ||
Boston Seattle-Tacoma | Outbound 11/09/25 direct UA1008 11h 15min | Return 12/07/25 direct UA1372 09h 18min | | ![]() | ? | $352 | |
Boston Seattle-Tacoma | Outbound 02/13/26 direct AS0306 06h 23min | Return 02/26/26 direct AS0536 05h 26min | | ![]() | ? | $358 |
Stops
- Direct flight
Airline
- Alaska Airlines
- Hawaiian Airlines
- American Airlines
- Sun Country Airlines
- United Airlines
Tips and tricks to help you find cheap flights from Boston to Seattle Tacoma
Favorite airline: e.g. Alaska Airlines, Spirit Airlines
Flight tickets on the route Boston – Seattle-Tacoma are most frequently booked with Alaska Airlines.

Alaska Airlines
22 %

Spirit Airlines
22 %

Delta
19 %
Stopover flights are the cheapest connection
Direct flights on this route are $164.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
06h 23min
17h 53min
24h 10min
488 $US
352 $US
324 $US
The favorite connection is non-stop
52 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
06h 23min, from 488 $US
52 %
1 stopover Minneapolis - St. Paul International Airport, MN
14h 37min, from 517 $US
19 %
2 stopovers Hartsfield-Jackson Atlanta International Airport, GA Las Vegas - McCarran International Airport, NV
24h 10min, from 324 $US
14 %
Important flight information
Flight information: Boston - Seattle-Tacoma
Roundtrip from | 214,59 $US |
---|---|
Flight duration | min. 06:33 / max. 10:40 |
Return flight duration | min. 05:08/ max. 08:15 |
Distance | 4010 km |
Flights per week | 57 |
Departure airport | Airport Boston Logan International Airport, MA (BOS) |
Arrival airport | Airport Seattle-Tacoma International Airport, WA (SEA) |
Destination country | Flights to United States |
Alternative routes to United States
- Flight Boston - New York from 142 $US
- Flight Boston - Los Angeles from 260 $US
- Flight Boston - San Francisco from 267 $US
- Flight Boston - Miami from 98 $US
- Flight Boston - Chicago from 130 $US
- Flight Boston - Orlando from 133 $US
- Flight Boston - Fort Myers from 180 $US
- Flight Boston - Washington-DC from 152 $US
- Flight Boston - Dallas from 202 $US
- Flight Boston - New York from 142 $US
Alternative flights to Seattle-Tacoma
- Flight San Francisco - Seattle-Tacoma from 191 $US
- Flight New York - Seattle-Tacoma from 454 $US
- Flight Los Angeles - Seattle-Tacoma from 233 $US
- Flight Anchorage - Seattle-Tacoma from 312 $US
- Flight Atlanta - Seattle-Tacoma from 155 $US
- Flight Denver - Seattle-Tacoma from 66 $US
- Flight Chicago - Seattle-Tacoma from 176 $US
- Flight Chicago O'Hare - Seattle-Tacoma from 176 $US
- Flight Washington-DC - Seattle-Tacoma from 207 $US
- Flight Dallas - Seattle-Tacoma from 225 $US
Flight destinations with a similar price
- Flight Seattle-Tacoma - Frankfurt from 901 $US
- Flight Seattle-Tacoma - Dusseldorf from 1 210 $US
- Flight Seattle-Tacoma - Munich from 853 $US
- Flight Seattle-Tacoma - Manila from 806 $US
- Flight Seattle-Tacoma - Istanbul from 792 $US
- Flight Seattle-Tacoma - Amsterdam from 863 $US
Flight destinations with a similar price
- Flight Boston - Dallas from 202 $US
- Flight Boston - Washington DC from 211 $US
- Flight Boston - Denver from 195 $US
- Flight Boston - Phoenix - Sky Harbor from 216 $US
- Flight Boston - Philadelphia from 200 $US
- Flight Boston - Charlotte from 205 $US
- Flight Boston - Jacksonville, Florida from 196 $US
- Flight Boston - West Palm Beach from 202 $US
- Flight Boston - Toronto from 213 $US
- Flight Boston - Toronto from 213 $US