| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Boston Seattle-Tacoma | Outbound 03/02/25 direct AS0459 06h 40min | Return 03/07/25 direct AS0536 05h 14min |  Alaska Airlines |  | ? | $330 | |
| Boston Seattle-Tacoma | Outbound 03/02/25 direct DL0324 06h 40min | Return 03/07/25 direct DL0473 05h 29min |  Delta Air Lines |  | ? | $331 | |
| Boston Seattle-Tacoma | Outbound 03/02/25 direct AS0459 06h 40min | Return 03/07/25 direct AS0536 05h 14min | Alaska Airlines |  | $339 | ||
| Boston Seattle-Tacoma | Outbound 03/02/25 direct AS0459 06h 40min | Return 03/07/25 direct AS0536 05h 14min | Alaska Airlines |  | ? | $340 | |
| Boston Seattle-Tacoma | Outbound 03/02/25 direct AS0459 06h 40min | Return 03/07/25 direct AS0536 05h 14min | Alaska Airlines |  | ? | $350 | |
| Boston Seattle-Tacoma | Outbound 03/02/25 direct AS0459 06h 40min | Return 03/07/25 direct AS0460 05h 14min | Alaska Airlines |  | $384 | ||
| Boston Seattle-Tacoma | Outbound 03/02/25 1 Stopover (PHX) AA1850, AA3388 10h 49min | Return 03/07/25 1 Stopover (PHL) AA2760, AA1467 07h 01min |  American Airlines |  | ? | $485 | |
| Boston Seattle-Tacoma | Outbound 03/02/25 1 Stopover (EWR) UA1833, UA1330 08h 34min | Return 03/07/25 1 Stopover (DEN) UA0757, UA2610 07h 19min |  United Airlines |  | ? | $499 | |
| Boston Seattle-Tacoma | Outbound 03/02/25 2 Stopovers (BWI, LAX) NK2072, NK1912, NK0804 20h 10min | Return 03/07/25 2 Stopovers (LAS, BWI) NK0782, NK1932, NK0934 18h 32min |  Spirit Airlines |  | $868 | ||
| Boston Seattle-Tacoma | Outbound 03/02/25 2 Stopovers (BWI, LAX) NK2072, NK1912, NK0804 20h 10min | Return 03/07/25 2 Stopovers (LAS, BWI) NK0782, NK1932, NK0934 18h 32min | Spirit Airlines |  | $879 |
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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 %