Cheap flights from Boston to Seattle
Find cheap Seattle to Boston flights with our free search service. Compare all available fares for direct or connection flights from Seattle to Boston.
Boston to Seattle flight schedules
| Flight | Departure Date | Arrival Date | Price | Duration | Number of stops | Updated |
|---|---|---|---|---|---|---|
| Boston (BOS) - Seattle (SEA) | 2026-10-13 | 2026-10-17 | 174 USD | 11 hours 43 minutes | Direct | 2026-09-14T15:13:39 |
| Boston (BOS) - Seattle (SEA) | 2026-10-14 | 2026-10-18 | 174 USD | 11 hours 43 minutes | Direct | 2026-09-14T15:14:09 |
| Boston (BOS) - Seattle (SEA) | 2026-10-15 | 2026-10-19 | 187 USD | 11 hours 43 minutes | Direct | 2026-09-14T15:14:26 |
| Boston (BOS) - Seattle (SEA) | 2026-10-12 | 2026-10-16 | 266 USD | 27 hours 55 minutes | Connection | 2026-09-14T15:12:14 |
| Boston (BOS) - Seattle (SEA) | 2026-10-16 | 2026-10-21 | 399 USD | 11 hours 43 minutes | Direct | 2026-09-13T15:45:40 |
| Boston (BOS) - Seattle (SEA) | 2026-11-21 | 2026-11-26 | 449 USD | 15 hours 55 minutes | Connection | 2026-09-13T15:49:29 |
| Boston (BOS) - Seattle (SEA) | 2026-11-24 | 2026-11-30 | 450 USD | 11 hours 44 minutes | Direct | 2026-09-18T16:59:15 |
| Boston (BOS) - Seattle (SEA) | 2026-11-23 | 2026-11-30 | 452 USD | 11 hours 46 minutes | Direct | 2026-09-16T23:12:41 |
| Boston (BOS) - Seattle (SEA) | 2026-11-20 | 2026-11-25 | 461 USD | 11 hours 47 minutes | Direct | 2026-09-13T15:47:07 |
| Boston (BOS) - Seattle (SEA) | 2026-09-27 | 2026-09-30 | 535 USD | 17 hours 0 minutes | Connection | 2026-09-14T14:27:05 |
Boston to Seattle flight status
| Flight | Origin | Destination | Departure | Arrival | Equip |
|---|---|---|---|---|---|
| DL318 | Boston (BOS) | Seattle (SEA) | 4:25 p.m. | 7:44 p.m. | B752 |
| KE3010 | Boston (BOS) | Seattle (SEA) | 3:40 p.m. | 7:11 p.m. | Boeing 737-832 |
| VS3721 | Boston (BOS) | Seattle (SEA) | 3:40 p.m. | 7:11 p.m. | None |
| QR4038 | Boston (BOS) | Seattle (SEA) | 12:10 p.m. | 1:31 p.m. | |
| AS275 | Boston (BOS) | Seattle (SEA) | 8 a.m. | 12:48 p.m. | B739 |
| DL341 | Boston (BOS) | Seattle (SEA) | 5:45 a.m. | 10:44 a.m. | B752 |
| AS537 | Boston (BOS) | Seattle (SEA) | 2:52 p.m. | 5:34 p.m. | Boeing 737-800 (winglets) |
| AS459 | Boston (BOS) | Seattle (SEA) | 7:03 a.m. | 10:26 a.m. | Boeing 737-900 (winglets) |
| VS3540 | Boston (BOS) | Seattle (SEA) | 7:45 a.m. | 11:01 a.m. | 737-800 |
| VS3243 | Boston (BOS) | Seattle (SEA) | 6:50 p.m. | 10:15 p.m. | Boeing 737-832 |
| B6197 | Boston (BOS) | Seattle (SEA) | 7:24 p.m. | 10:49 p.m. | Airbus A318/319/320/321 |
| AS273 | Boston (BOS) | Seattle (SEA) | 11:53 a.m. | 1:50 p.m. | B739 |
| AS737 | Boston (BOS) | Seattle (SEA) | 6:14 p.m. | 9:09 p.m. | B739 |
| AS306 | Boston (BOS) | Seattle (SEA) | 8:23 a.m. | 4:53 p.m. | Boeing 737-900 (winglets) |
| AS253 | Boston (BOS) | Seattle (SEA) | 11:58 a.m. | 8:35 p.m. | B739 |
| AS25 | Boston (BOS) | Seattle (SEA) | 4:57 p.m. | 8:08 p.m. | B738 |
| DL3133 | Boston (BOS) | Seattle (SEA) | 3:15 p.m. | 4:32 p.m. | B738 |
| JL6357 | Boston (BOS) | Seattle (SEA) | 7:03 a.m. | 10:26 a.m. | None |
| MU6935 | Boston (BOS) | Seattle (SEA) | 7:25 a.m. | 9:30 a.m. | None |
| KE3168 | Boston (BOS) | Seattle (SEA) | 7:48 a.m. | 10:53 a.m. | None |
| KL7530 | Boston (BOS) | Seattle (SEA) | 9:59 a.m. | 11:03 a.m. | None |
| EK6343 | Boston (BOS) | Seattle (SEA) | 11:58 a.m. | 5:25 p.m. | |
| B6597 | Boston (BOS) | Seattle (SEA) | 6:10 a.m. | 9:23 a.m. | A321 |
| KE6222 | Boston (BOS) | Seattle (SEA) | 7 a.m. | 10:19 a.m. | None |
| AF2465 | Boston (BOS) | Seattle (SEA) | 7:05 p.m. | 8:04 p.m. | |
| AS33 | Boston (BOS) | Seattle (SEA) | 6:36 p.m. | 9:23 p.m. | B739 |
| HA2111 | Boston (BOS) | Seattle (SEA) | 10:15 a.m. | 1:20 p.m. | |
| HA2113 | Boston (BOS) | Seattle (SEA) | 9:43 p.m. | 12:50 a.m. | None |
| TP4393 | Boston (BOS) | Seattle (SEA) | 6:35 p.m. | 10:05 p.m. | |
| LY8568 | Boston (BOS) | Seattle (SEA) | 6:29 p.m. | 10:04 p.m. | None |
| EI5268 | Boston (BOS) | Seattle (SEA) | 6:29 p.m. | 9:59 p.m. | |
| SQ1217 | Boston (BOS) | Seattle (SEA) | 6:24 p.m. | 9:59 p.m. | None |
| B62397 | Boston (BOS) | Seattle (SEA) | 9:10 a.m. | 10:38 a.m. | A321 |
| 9W5619 | Boston (BOS) | Seattle (SEA) | 11:15 a.m. | 12:27 p.m. | Boeing 737-832 |
| CX889 | Boston (BOS) | Seattle (SEA) | 7 a.m. | 10:15 a.m. | 77W |
| IG371 | Boston (BOS) | Seattle (SEA) | 7:05 a.m. | 10:45 a.m. | 738 |
| AS1737 | Boston (BOS) | Seattle (SEA) | 6:50 a.m. | 8:57 a.m. | A320 |
| 9W5620 | Boston (BOS) | Seattle (SEA) | 3:16 p.m. | 4:21 p.m. | |
| DT315 | Boston (BOS) | Seattle (SEA) | 7:06 a.m. | 10:40 a.m. | 73G |
| DE6082 | Boston (BOS) | Seattle (SEA) | 6:55 p.m. | 10:30 p.m. |
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