| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Boston Seattle-Tacoma | Outbound 03/28/26 direct AS0306 06h 24min | Return 04/25/26 1 Stopover (LAX) AA4896, AA2675 11h 27min |  Alaska Airlines |  | ? | $299 | |
| Best option Boston Seattle-Tacoma | Outbound 07/26/26 direct AS1337 06h 29min | Return 08/05/26 direct AS1333 05h 33min | Alaska Airlines |  | $467 | ||
| Boston Seattle-Tacoma | Outbound 05/16/26 2 Stopovers (ATL, LAX) F93085, F94315, F91177 14h 42min | Return 05/29/26 direct AS0460 05h 32min |  Frontier Airlines | | ? | $299 | |
| Boston Seattle-Tacoma | Outbound 05/16/26 1 Stopover (SAN) AS0539, AS0685 10h 54min | Return 05/29/26 direct AS0460 05h 32min | Alaska Airlines |  | ? | $343 | |
| Boston Seattle-Tacoma | Outbound 05/16/26 1 Stopover (SAN) AS0539, AS0685 10h 54min | Return 05/29/26 direct AS0460 05h 32min | Alaska Airlines |  | $362 | ||
| Boston Seattle-Tacoma | Outbound 05/16/26 1 Stopover (SAN) AS0539, AS0685 10h 54min | Return 05/29/26 direct AS0460 05h 32min | Alaska Airlines |  | ? | $384 | |
| Boston Seattle-Tacoma | Outbound 07/26/26 direct AS1337 06h 29min | Return 08/05/26 1 Stopover (SAN) AS1388, AS0255 09h 50min | Alaska Airlines | | ? | $410 | |
| Boston Seattle-Tacoma | Outbound 07/26/26 direct AS1337 06h 29min | Return 08/05/26 1 Stopover (PDX) AS2302, AS0436 10h 16min | Alaska Airlines | | $412 | ||
| Boston Seattle-Tacoma | Outbound 05/16/26 1 Stopover (SAN) AS0539, AS0685 10h 54min | Return 05/29/26 direct AS0460 05h 32min | Alaska Airlines |  | ? | $418 | |
| Boston Seattle-Tacoma | Outbound 03/28/26 direct AS0306 06h 24min | Return 04/25/26 2 Stopovers (DEN, ATL) F91176, F93600, F93512 37h 48min | Alaska Airlines |  | ? | $427 |
Stops
- Direct flight
Airline
- Alaska Airlines
- American Airlines
- Sun Country Airlines
- Frontier Airlines
- Delta Air Lines
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
$ 352
$ 324
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
52 %
1 stopover Minneapolis - St. Paul International Airport, MN
14h 37min, from $ 517
19 %
2 stopovers Hartsfield-Jackson Atlanta International Airport, GA Las Vegas - McCarran International Airport, NV
24h 10min, from $ 324
14 %
Important flight information
Flight information: Boston - Seattle-Tacoma
| Roundtrip from | $ 298,69 |
|---|---|
| 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 $ 174
- Flight Boston - Los Angeles from $ 241
- Flight Boston - San Francisco from $ 258
- Flight Boston - Miami from $ 140
- Flight Boston - Chicago from $ 196
- Flight Boston - Orlando from $ 119
- Flight Boston - Fort Myers from $ 209
- Flight Boston - Washington-DC from $ 181
- Flight Boston - Dallas from $ 211
- Flight Boston - New York from $ 185
Alternative flights to Seattle-Tacoma
- Flight San Francisco - Seattle-Tacoma from $ 99
- Flight New York - Seattle-Tacoma from $ 373
- Flight Los Angeles - Seattle-Tacoma from $ 96
- Flight Anchorage - Seattle-Tacoma from $ 278
- Flight Atlanta - Seattle-Tacoma from $ 201
- Flight Denver - Seattle-Tacoma from $ 184
- Flight Chicago - Seattle-Tacoma from $ 150
- Flight Chicago O'Hare - Seattle-Tacoma from $ 150
- Flight Dallas - Seattle-Tacoma from $ 206
- Flight Washington-DC - Seattle-Tacoma from $ 398
Flight destinations with a similar price
- Flight Seattle-Tacoma - Frankfurt from $ 790
- Flight Seattle-Tacoma - Munich from $ 800
- Flight Seattle-Tacoma - Nairobi from $ 925
- Flight Seattle-Tacoma - Seoul Incheon from $ 850
- Flight Seattle-Tacoma - Cancun from $ 437
- Flight Seattle-Tacoma - Istanbul from $ 1.234
Flight destinations with a similar price
- Flight Boston - San Diego from $ 287
- Flight Boston - St. Louis from $ 319
- Flight Boston - Knoxville from $ 328
- Flight Boston - Chicago Midway from $ 297
- Flight Boston - Portland-Oregon from $ 271
- Flight Boston - San Jose, Costa Rica from $ 326
- Flight Boston - Frankfurt from $ 319
- Flight Boston - Panama City from $ 321