| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Boston Seattle-Tacoma | Outbound 09/23/25 direct AS0459 06h 13min | Return 09/30/25 direct AS0460 05h 24min |  Alaska Airlines |  | ? | $178 | |
| Boston Seattle-Tacoma | Outbound 09/23/25 2 Stopovers (ATL, LAS) NK1209, NK1202, NK0781 24h 23min | Return 09/30/25 2 Stopovers (LAS, ATL) NK0782, NK1203, NK1180 26h 14min |  Spirit Airlines |  | $322 | ||
| Boston Seattle-Tacoma | Outbound 09/23/25 direct AS0819 06h 10min | Return 09/30/25 direct AS0460 05h 24min | Alaska Airlines |  | $182 | ||
| Boston Seattle-Tacoma | Outbound 09/23/25 direct AS0393 06h 15min | Return 09/30/25 direct AS0460 05h 24min | Alaska Airlines |  | ? | $183 | |
| Boston Seattle-Tacoma | Outbound 09/23/25 direct HA4792 06h 15min | Return 09/30/25 direct HA6627 05h 24min |  Hawaiian Airlines |  | $183 | ||
| Boston Seattle-Tacoma | Outbound 09/23/25 direct AS0537 06h 10min | Return 09/30/25 direct AS0460 05h 24min | Alaska Airlines |  | ? | $185 | |
| Boston Seattle-Tacoma | Outbound 09/23/25 direct AS0819 06h 10min | Return 09/30/25 direct AS0460 05h 24min | Alaska Airlines |  | ? | $188 | |
| Boston Seattle-Tacoma | Outbound 10/18/25 direct B60397 06h 19min | Return 11/17/25 direct B60498 05h 17min |  JetBlue Airways |  | ? | $219 | |
| Boston Seattle-Tacoma | Outbound 10/10/25 direct HA4823 06h 15min | Return 11/04/25 direct HA6627 05h 24min | Hawaiian Airlines | | ? | $229 | |
| Boston Seattle-Tacoma | Outbound 10/10/25 direct AS0459 06h 15min | Return 11/04/25 direct AS0460 05h 24min | Alaska Airlines | | ? | $242 |
Stops
- Direct flight
Airline
- Alaska Airlines
- Hawaiian Airlines
- American Airlines
- United Airlines
- Spirit 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
$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 | $177.82 |
|---|---|
| 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 $80
- Flight Boston - Los Angeles from $181
- Flight Boston - San Francisco from $203
- Flight Boston - Miami from $147
- Flight Boston - Chicago from $93
- Flight Boston - Orlando from $126
- Flight Boston - Fort Myers from $146
- Flight Boston - Washington-DC from $130
- Flight Boston - Dallas from $158
- Flight Boston - New York from $159
Alternative flights to Seattle-Tacoma
- Flight San Francisco - Seattle-Tacoma from $116
- Flight New York - Seattle-Tacoma from $212
- Flight Los Angeles - Seattle-Tacoma from $134
- Flight Anchorage - Seattle-Tacoma from $293
- Flight Honolulu - Seattle-Tacoma from $363
- Flight Atlanta - Seattle-Tacoma from $233
- Flight Las Vegas - Seattle-Tacoma from $108
- Flight Denver - Seattle-Tacoma from $148
- Flight Miami - Seattle-Tacoma from $205
- Flight San Diego - Seattle-Tacoma from $152
Flight destinations with a similar price
- Flight Seattle-Tacoma - Frankfurt from $564
- Flight Seattle-Tacoma - Seoul Incheon from $812
- Flight Seattle-Tacoma - Toronto from $263
- Flight Seattle-Tacoma - Stuttgart from $546
- Flight Seattle-Tacoma - Hamburg from $537
- Flight Seattle-Tacoma - Bangkok from $689
- Flight Seattle-Tacoma - Nairobi from $823
- Flight Seattle-Tacoma - Addis Ababa from $1,035
- Flight Seattle-Tacoma - Tehran from $963
- Flight Seattle-Tacoma - Dublin from $418
Flight destinations with a similar price
- Flight Boston - Los Angeles from $181
- Flight Boston - Minneapolis from $174
- Flight Boston - Las Vegas from $193
- Flight Boston - San Diego from $186
- Flight Boston - Kansas City from $169
- Flight Boston - Charlotte from $167
- Flight Boston - West Palm Beach from $164
- Flight Boston - Vancouver from $169