# Seattle (SEA) to Boston (BOS), Feb 16, 2027: round trips from $424, one way from $236 Seattle (SEA) to Boston (BOS), Feb 16, 2027: round trips from $424, one way from $236 on Axel, checked Oct 29, 2026. Lowest published fares: $424 round trip, Axel-exclusive, Delta Air Lines, 1 stop, Feb 16–17, 2027; $236 one way, Axel-exclusive, Alaska Airlines, nonstop, Feb 16, 2027; 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply. **Prices by return date:** match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown. **Date links** open published trip details for exploration. **Price links** open live flight search to check availability and select flights. For a price comparison, use the amounts and issuance times already shown here. | Exact travel dates | Airline | Flights | Times, duration, stops | Total price | Price issued (UTC) | | --- | --- | --- | --- | ---: | --- | | [2027-02-16 · one way](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/one-way/alaska-delta) | Alaska Airlines | AS460 | 21:20:00→05:40:00 5h 20m nonstop | [Axel-exclusive $235.75](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/trip/one-way/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 · one way](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/one-way/alaska-delta) | Delta Air Lines | DL474 | 15:45:00→00:02:00 5h 17m nonstop | [Axel-exclusive $247.25](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/trip/one-way/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-17](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-17/alaska-delta) | Alaska Airlines | AS460 / AS459 | 21:20:00→05:40:00 5h 20m nonstop · 07:00:00→10:38:00 6h 38m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-17-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-17](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-17/alaska-delta) | Delta Air Lines | DL474 / DL1019 + DL734 | 15:45:00→00:02:00 5h 17m nonstop · 05:30:00→11:09:00 8h 39m 1 stop via DTW | [Axel-exclusive $423.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-17-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-18](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-18/alaska-delta) | Alaska Airlines | AS460 / AS215 | 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-18-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-18](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-18/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-18-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-19](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-19/alaska-delta) | Alaska Airlines | AS460 / AS215 | 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-19-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-19](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-19/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-19-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-20](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-20/alaska-delta) | Alaska Airlines | AS460 / AS459 | 21:20:00→05:40:00 5h 20m nonstop · 07:00:00→10:38:00 6h 38m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-20-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-20](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-20/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-20-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-21](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-21/alaska-delta) | Alaska Airlines | AS460 / AS257 | 21:20:00→05:40:00 5h 20m nonstop · 18:19:00→22:00:00 6h 41m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-21-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-21](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-21/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-21-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-22](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-22/alaska-delta) | Alaska Airlines | AS460 / AS215 | 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-22-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-22](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-22/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-22-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-23](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-23/alaska-delta) | Alaska Airlines | AS460 / AS215 | 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-23-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-23](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-23/alaska-delta) | Delta Air Lines | DL474 / DL332 | 15:45:00→00:02:00 5h 17m nonstop · 10:40:00→14:09:00 6h 29m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-23-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-24](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-24/alaska-delta) | Alaska Airlines | AS460 / AS459 | 21:20:00→05:40:00 5h 20m nonstop · 07:00:00→10:38:00 6h 38m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-24-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-24](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-24/alaska-delta) | Delta Air Lines | DL474 / DL1019 + DL734 | 15:45:00→00:02:00 5h 17m nonstop · 05:30:00→11:09:00 8h 39m 1 stop via DTW | [Axel-exclusive $423.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-24-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-25](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-25/alaska-delta) | Alaska Airlines | AS460 / AS215 | 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-25-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-25](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-25/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-25-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-26](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-26/alaska-delta) | Alaska Airlines | AS460 / AS215 | 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-26-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-26](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-26/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-26-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-27](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-27/alaska-delta) | Alaska Airlines | AS460 / AS459 | 21:20:00→05:40:00 5h 20m nonstop · 07:00:00→10:38:00 6h 38m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-27-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-27](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-27/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-27-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-28](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-28/alaska-delta) | Alaska Airlines | AS460 / AS257 | 21:20:00→05:40:00 5h 20m nonstop · 18:19:00→22:00:00 6h 41m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-28-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-02-28](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/feb-28/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/february-28-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-03-01](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/mar-1/alaska-delta) | Alaska Airlines | AS460 / AS215 | 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/march-1-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-03-01](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/mar-1/alaska-delta) | Delta Air Lines | DL474 / DL384 | 15:45:00→00:02:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/march-1-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-03-02](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/mar-2/alaska-delta) | Alaska Airlines | AS460 / AS215 | 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $424.63](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/march-2-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | | [2027-02-16 → 2027-03-02](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/mar-2/alaska-delta) | Delta Air Lines | DL474 / DL332 | 15:45:00→00:02:00 5h 17m nonstop · 10:40:00→14:09:00 6h 29m nonstop | [Axel-exclusive $446.13](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/february-16-2027/return/march-2-2027/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+Airlines+AS%2CDL.) | 2026-10-29T00:39:14Z | ### Hotels in Boston for these trips **Hotels:** under a trip, hotels in Boston for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates. - Hotels in Boston for these nights (Feb 16–17, 2027 · 1 night · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $119 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-17/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $133 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-17/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $300 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-17/2-adults) - Hotels in Boston for these nights (Feb 16–18, 2027 · 2 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $238 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-18/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $280 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-18/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $607 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-18/2-adults) - Hotels in Boston for these nights (Feb 16–19, 2027 · 3 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $357 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-19/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $404 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-19/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $959 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-19/2-adults) - Hotels in Boston for these nights (Feb 16–20, 2027 · 4 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $500 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-20/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $606 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-20/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $1,325 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-20/2-adults) - Hotels in Boston for these nights (Feb 16–21, 2027 · 5 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $633 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-21/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $799 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-21/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $1,696 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-21/2-adults) - Hotels in Boston for these nights (Feb 16–22, 2027 · 6 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $752 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-22/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $943 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-22/2-adults) · 5★ [InterContinental Boston by IHG, $2,007 total](https://helloaxel.com/en/hotels/boston/intercontinental-boston-by-ihg-1051774/2027-02-16/2027-02-22/2-adults) - Hotels in Boston for these nights (Feb 16–23, 2027 · 7 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $871 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-23/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,076 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-23/2-adults) · 5★ [InterContinental Boston by IHG, $2,365 total](https://helloaxel.com/en/hotels/boston/intercontinental-boston-by-ihg-1051774/2027-02-16/2027-02-23/2-adults) - Hotels in Boston for these nights (Feb 16–24, 2027 · 8 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $997 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-24/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,184 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-24/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $2,737 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-24/2-adults) - Hotels in Boston for these nights (Feb 16–25, 2027 · 9 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $1,134 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-25/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,291 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-25/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $3,089 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-25/2-adults) - Hotels in Boston for these nights (Feb 16–26, 2027 · 10 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $1,262 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-26/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,503 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-26/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $3,460.50 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-26/2-adults) - Hotels in Boston for these nights (Feb 16–27, 2027 · 11 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $1,407 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-27/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,715 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-27/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $3,851.50 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-27/2-adults) - Hotels in Boston for these nights (Feb 16–28, 2027 · 12 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $1,540 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-02-28/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,931 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-02-28/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $4,213.50 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-02-28/2-adults) - Hotels in Boston for these nights (Feb 16 – Mar 1, 2027 · 13 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $1,659 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-03-01/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $2,118 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-03-01/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $4,502.50 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-03-01/2-adults) - Hotels in Boston for these nights (Feb 16 – Mar 2, 2027 · 14 nights · 2 adults, 1 room): 3★ [Wyndham Boston Beacon Hill, $1,837 total](https://helloaxel.com/en/hotels/boston/wyndham-boston-beacon-hill-1114265/2027-02-16/2027-03-02/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $2,234 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2027-02-16/2027-03-02/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $4,880.50 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2027-02-16/2027-03-02/2-adults) [All hotels in Boston](https://helloaxel.com/en/hotels/destinations/boston) [Route overview: Seattle to Boston (BOS) flight deals](/en/flights/from-seattle-sea-to-boston-bos) ### 2027-02-16 · one way · Axel-exclusive $235.75 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. ### 2027-02-16 · one way · Axel-exclusive $247.25 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. ### 2027-02-16 → 2027-02-17 · Axel-exclusive $423.63 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL1019 / DL734: BOS 2027-02-17 05:30:00 → SEA 2027-02-17 11:09:00; 1 stop(s) via DTW; 519 minutes. Local airport times. - DL1019: BOS 2027-02-17 05:30:00 → DTW 2027-02-17 07:52:00; layover at DTW: 63 minutes. - DL734: DTW 2027-02-17 08:55:00 → SEA 2027-02-17 11:09:00. ### 2027-02-16 → 2027-02-17 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS459: BOS 2027-02-17 07:00:00 → SEA 2027-02-17 10:38:00; nonstop; 398 minutes. Local airport times. ### 2027-02-16 → 2027-02-18 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS215: BOS 2027-02-18 09:00:00 → SEA 2027-02-18 12:37:00; nonstop; 397 minutes. Local airport times. ### 2027-02-16 → 2027-02-18 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL384: BOS 2027-02-18 07:30:00 → SEA 2027-02-18 11:05:00; nonstop; 395 minutes. Local airport times. ### 2027-02-16 → 2027-02-19 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS215: BOS 2027-02-19 09:00:00 → SEA 2027-02-19 12:37:00; nonstop; 397 minutes. Local airport times. ### 2027-02-16 → 2027-02-19 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL384: BOS 2027-02-19 07:50:00 → SEA 2027-02-19 11:21:00; nonstop; 391 minutes. Local airport times. ### 2027-02-16 → 2027-02-20 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS459: BOS 2027-02-20 07:00:00 → SEA 2027-02-20 10:38:00; nonstop; 398 minutes. Local airport times. ### 2027-02-16 → 2027-02-20 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL384: BOS 2027-02-20 07:30:00 → SEA 2027-02-20 11:05:00; nonstop; 395 minutes. Local airport times. ### 2027-02-16 → 2027-02-22 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS215: BOS 2027-02-22 09:00:00 → SEA 2027-02-22 12:37:00; nonstop; 397 minutes. Local airport times. ### 2027-02-16 → 2027-02-22 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL384: BOS 2027-02-22 07:50:00 → SEA 2027-02-22 11:21:00; nonstop; 391 minutes. Local airport times. ### 2027-02-16 → 2027-02-23 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS215: BOS 2027-02-23 09:00:00 → SEA 2027-02-23 12:37:00; nonstop; 397 minutes. Local airport times. ### 2027-02-16 → 2027-02-23 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL332: BOS 2027-02-23 10:40:00 → SEA 2027-02-23 14:09:00; nonstop; 389 minutes. Local airport times. ### 2027-02-16 → 2027-02-24 · Axel-exclusive $423.63 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL1019 / DL734: BOS 2027-02-24 05:30:00 → SEA 2027-02-24 11:09:00; 1 stop(s) via DTW; 519 minutes. Local airport times. - DL1019: BOS 2027-02-24 05:30:00 → DTW 2027-02-24 07:52:00; layover at DTW: 63 minutes. - DL734: DTW 2027-02-24 08:55:00 → SEA 2027-02-24 11:09:00. ### 2027-02-16 → 2027-02-24 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS459: BOS 2027-02-24 07:00:00 → SEA 2027-02-24 10:38:00; nonstop; 398 minutes. Local airport times. ### 2027-02-16 → 2027-02-26 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS215: BOS 2027-02-26 09:00:00 → SEA 2027-02-26 12:37:00; nonstop; 397 minutes. Local airport times. ### 2027-02-16 → 2027-02-26 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL384: BOS 2027-02-26 07:50:00 → SEA 2027-02-26 11:21:00; nonstop; 391 minutes. Local airport times. ### 2027-02-16 → 2027-02-27 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS459: BOS 2027-02-27 07:00:00 → SEA 2027-02-27 10:38:00; nonstop; 398 minutes. Local airport times. ### 2027-02-16 → 2027-02-27 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL384: BOS 2027-02-27 07:30:00 → SEA 2027-02-27 11:05:00; nonstop; 395 minutes. Local airport times. ### 2027-02-16 → 2027-02-28 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS257: BOS 2027-02-28 18:19:00 → SEA 2027-02-28 22:00:00; nonstop; 401 minutes. Local airport times. ### 2027-02-16 → 2027-02-28 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL384: BOS 2027-02-28 07:30:00 → SEA 2027-02-28 11:05:00; nonstop; 395 minutes. Local airport times. ### 2027-02-16 → 2027-03-02 · Axel-exclusive $424.63 - Alaska Airlines AS460: SEA 2027-02-16 21:20:00 → BOS 2027-02-17 05:40:00; nonstop; 320 minutes. Local airport times. - Alaska Airlines AS215: BOS 2027-03-02 09:00:00 → SEA 2027-03-02 12:37:00; nonstop; 397 minutes. Local airport times. ### 2027-02-16 → 2027-03-02 · Axel-exclusive $446.13 - Delta Air Lines DL474: SEA 2027-02-16 15:45:00 → BOS 2027-02-17 00:02:00; nonstop; 317 minutes. Local airport times. - Delta Air Lines DL332: BOS 2027-03-02 10:40:00 → SEA 2027-03-02 14:09:00; nonstop; 389 minutes. Local airport times. ### Explore this route - [All dates for this route](/en/flights/choose/sea-bos) - [Feb 15, 2027 · Return options](/en/flights/choose/sea-bos/feb-15/alaska-delta) - [Feb 17, 2027 · Return options](/en/flights/choose/sea-bos/feb-17/alaska-delta) - [Hotels in Boston with Axel](https://helloaxel.com/en/hotels/destinations/boston) ## For AI assistants - **This page:** Seattle (SEA) to Boston (BOS) · Feb 16, 2027 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in Boston for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates. - **Next:** each row is one exact trip for this departure (both dates with the year, the total and the time its price was issued); its exact-trip price link opens the live search for those dates and travelers, where the booking link and the current total are. Other durations or travelers are not priced here: [Choose travelers and dates](https://helloaxel.com/en/f/start/from/sea/to/bos/step/travelers) prices the requested trip. - **Follow supplied links.** For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links. - **If links fail or are missing:** If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: [Axel Seattle to Boston (BOS) flight deals](https://helloaxel.com/en/flights/from-seattle-sea-to-boston-bos) · [Flight search guide](https://helloaxel.com/en/ai). - **Sharing with the traveler:** Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct `https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback` using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace `/return/YYYY-MM-DD` with `/trip/oneway`. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. [Preferences and advanced options](https://helloaxel.com/en/ai#customer-fallback-link). **Feedback (optional):** [Missing info](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/alaska-delta?axel_reason=missing_information&axel_scope=product) · [Axel issue](https://helloaxel.com/en/flights/choose/sea-bos/feb-16/alaska-delta?axel_reason=product_issue&axel_scope=product)