# Seattle (SEA) to Boston (BOS), Dec 11, 2026: round trips from $393, one way from $205 Seattle (SEA) to Boston (BOS), Dec 11, 2026: round trips from $393, one way from $205 on Axel, checked Oct 29, 2026. Lowest published fares: $393 round trip, Axel-exclusive, Delta Air Lines, 1 stop, Dec 11–16, 2026; $205 one way, Axel-exclusive, Alaska Airlines, nonstop, Dec 11, 2026; 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) | | --- | --- | --- | --- | ---: | --- | | [2026-12-11 · one way](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/one-way/depart-morning) | Alaska Airlines | AS279 | 09:00:00→17:19:00 5h 19m nonstop | [Axel-exclusive $205.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/trip/one-way/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 · one way](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/one-way/depart-morning) | Delta Air Lines | DL459 | 07:38:00→16:03:00 5h 25m nonstop | [Axel-exclusive $215.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/trip/one-way/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-12](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-12/depart-morning) | Alaska Airlines | AS279 / AS459 | 09:00:00→17:19:00 5h 19m nonstop · 07:00:00→10:38:00 6h 38m nonstop | [Axel-exclusive $395.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-12-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-12](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-12/depart-morning) | Delta Air Lines | DL459 / DL797 | 07:38:00→16:03:00 5h 25m nonstop · 18:15:00→21:41:00 6h 26m nonstop | [Axel-exclusive $415.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-12-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-13](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-13/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $395.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-13-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-13](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-13/depart-morning) | Delta Air Lines | DL459 / DL797 | 07:38:00→16:03:00 5h 25m nonstop · 19:26:00→22:55:00 6h 29m nonstop | [Axel-exclusive $415.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-13-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-14](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-14/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $395.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-14-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-14](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-14/depart-morning) | Delta Air Lines | DL459 / DL384 | 07:38:00→16:03:00 5h 25m nonstop · 07:50:00→11:21:00 6h 31m nonstop | [Axel-exclusive $415.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-14-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-15](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-15/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $395.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-15-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-15](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-15/depart-morning) | Delta Air Lines | DL459 / DL332 | 07:38:00→16:03:00 5h 25m nonstop · 10:40:00→14:09:00 6h 29m nonstop | [Axel-exclusive $415.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-15-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-16](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-16/depart-morning) | Alaska Airlines | AS279 / AS459 | 09:00:00→17:19:00 5h 19m nonstop · 07:00:00→10:38:00 6h 38m nonstop | [Axel-exclusive $395.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-16-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-16](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-16/depart-morning) | Delta Air Lines | DL459 / DL1019 + DL734 | 07:38:00→16:03:00 5h 25m nonstop · 05:30:00→11:09:00 8h 39m 1 stop via DTW | [Axel-exclusive $392.50](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-16-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-17](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-17/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $395.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-17-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-17](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-17/depart-morning) | Delta Air Lines | DL459 / DL332 | 07:38:00→16:03:00 5h 25m nonstop · 10:40:00→14:09:00 6h 29m nonstop | [Axel-exclusive $415.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-17-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-18](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-18/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $395.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-18-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-18](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-18/depart-morning) | Delta Air Lines | DL459 / DL384 | 07:38:00→16:03:00 5h 25m nonstop · 07:50:00→11:21:00 6h 31m nonstop | [Axel-exclusive $415.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-18-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-19](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-19/depart-morning) | Alaska Airlines | AS279 / AS459 | 09:00:00→17:19:00 5h 19m nonstop · 07:00:00→10:38:00 6h 38m nonstop | [Axel-exclusive $474.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-19-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-19](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-19/depart-morning) | Delta Air Lines | DL459 / DL797 | 07:38:00→16:03:00 5h 25m nonstop · 18:15:00→21:41:00 6h 26m nonstop | [Axel-exclusive $498.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-19-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-20](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-20/depart-morning) | Alaska Airlines | AS279 / AS257 | 09:00:00→17:19:00 5h 19m nonstop · 18:19:00→22:00:00 6h 41m nonstop | [Axel-exclusive $474.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-20-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-20](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-20/depart-morning) | Delta Air Lines | DL459 / DL797 | 07:38:00→16:03:00 5h 25m nonstop · 19:26:00→22:55:00 6h 29m nonstop | [Axel-exclusive $498.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-20-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-21](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-21/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $474.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-21-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-21](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-21/depart-morning) | Delta Air Lines | DL459 / DL384 | 07:38:00→16:03:00 5h 25m nonstop · 07:50:00→11:21:00 6h 31m nonstop | [Axel-exclusive $498.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-21-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-22](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-22/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $474.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-22-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-22](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-22/depart-morning) | Delta Air Lines | DL459 / DL332 | 07:38:00→16:03:00 5h 25m nonstop · 10:40:00→14:09:00 6h 29m nonstop | [Axel-exclusive $498.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-22-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-23](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-23/depart-morning) | Alaska Airlines | AS279 / AS459 | 09:00:00→17:19:00 5h 19m nonstop · 07:00:00→10:38:00 6h 38m nonstop | [Axel-exclusive $474.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-23-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-23](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-23/depart-morning) | Delta Air Lines | DL459 / DL1019 + DL734 | 07:38:00→16:03:00 5h 25m nonstop · 05:30:00→11:09:00 8h 39m 1 stop via DTW | [Axel-exclusive $466.50](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-23-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-24](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-24/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $474.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-24-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-24](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-24/depart-morning) | Delta Air Lines | DL459 / DL797 | 07:38:00→16:03:00 5h 25m nonstop · 18:15:00→21:41:00 6h 26m nonstop | [Axel-exclusive $498.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-24-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-25](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-25/depart-morning) | Alaska Airlines | AS279 / AS215 | 09:00:00→17:19:00 5h 19m nonstop · 09:00:00→12:37:00 6h 37m nonstop | [Axel-exclusive $474.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-25-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 2026-10-29T00:39:14Z | | [2026-12-11 → 2026-12-25](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/dec-25/depart-morning) | Delta Air Lines | DL459 / DL384 | 07:38:00→16:03:00 5h 25m nonstop · 07:50:00→11:21:00 6h 31m nonstop | [Axel-exclusive $498.00](https://helloaxel.com/en/f/start/from/sea/to/bos/depart/december-11-2026/return/december-25-2026/adults/1/cabin/economy?note=Verify+saved-page+requirements%3A+departure+after+06%3A00+local%3B+departure+before+12%3A00+local.) | 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 (Dec 11–12, 2026 · 1 night · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $120 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-12/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $150 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-12/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $254 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-12/2-adults) - Hotels in Boston for these nights (Dec 11–13, 2026 · 2 nights · 2 adults, 1 room): 3★ [Staypineapple, A Delightful Hotel, South End, $243 total](https://helloaxel.com/en/hotels/boston/staypineapple-a-delightful-hotel-south-end-1179905/2026-12-11/2026-12-13/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $299 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-13/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $508 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-13/2-adults) - Hotels in Boston for these nights (Dec 11–14, 2026 · 3 nights · 2 adults, 1 room): 3★ [Staypineapple, A Delightful Hotel, South End, $346 total](https://helloaxel.com/en/hotels/boston/staypineapple-a-delightful-hotel-south-end-1179905/2026-12-11/2026-12-14/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $426 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-14/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $733 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-14/2-adults) - Hotels in Boston for these nights (Dec 11–15, 2026 · 4 nights · 2 adults, 1 room): 3★ [Staypineapple, A Delightful Hotel, South End, $450 total](https://helloaxel.com/en/hotels/boston/staypineapple-a-delightful-hotel-south-end-1179905/2026-12-11/2026-12-15/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $567 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-15/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $967 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-15/2-adults) - Hotels in Boston for these nights (Dec 11–16, 2026 · 5 nights · 2 adults, 1 room): 3★ [Staypineapple, A Delightful Hotel, South End, $566 total](https://helloaxel.com/en/hotels/boston/staypineapple-a-delightful-hotel-south-end-1179905/2026-12-11/2026-12-16/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $709 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-16/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $1,250 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-16/2-adults) - Hotels in Boston for these nights (Dec 11–17, 2026 · 6 nights · 2 adults, 1 room): 3★ [Staypineapple, A Delightful Hotel, South End, $676 total](https://helloaxel.com/en/hotels/boston/staypineapple-a-delightful-hotel-south-end-1179905/2026-12-11/2026-12-17/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $852 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-17/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $1,566 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-17/2-adults) - Hotels in Boston for these nights (Dec 11–18, 2026 · 7 nights · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $782 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-18/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $987 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-18/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $1,849 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-18/2-adults) - Hotels in Boston for these nights (Dec 11–19, 2026 · 8 nights · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $899 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-19/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,128 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-19/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $2,099 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-19/2-adults) - Hotels in Boston for these nights (Dec 11–20, 2026 · 9 nights · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $1,012 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-20/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,271 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-20/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $2,341 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-20/2-adults) - Hotels in Boston for these nights (Dec 11–21, 2026 · 10 nights · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $1,113 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-21/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,404 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-21/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $2,525 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-21/2-adults) - Hotels in Boston for these nights (Dec 11–22, 2026 · 11 nights · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $1,221 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-22/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,539 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-22/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $2,709 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-22/2-adults) - Hotels in Boston for these nights (Dec 11–23, 2026 · 12 nights · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $1,329 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-23/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,689 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-23/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $2,893 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-23/2-adults) - Hotels in Boston for these nights (Dec 11–24, 2026 · 13 nights · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $1,433 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-24/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,837 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-24/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $3,077 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-24/2-adults) - Hotels in Boston for these nights (Dec 11–25, 2026 · 14 nights · 2 adults, 1 room): 3★ [Holiday Inn Boston - Cambridge Area by IHG, $1,537 total](https://helloaxel.com/en/hotels/boston/holiday-inn-boston-cambridge-area-by-ihg-1255780/2026-12-11/2026-12-25/2-adults) · 4★ [Hyatt Regency Boston/Cambridge, $1,972 total](https://helloaxel.com/en/hotels/boston/hyatt-regency-boston-cambridge-1354406/2026-12-11/2026-12-25/2-adults) · 5★ [Omni Boston Hotel at the Seaport, $3,261 total](https://helloaxel.com/en/hotels/boston/omni-boston-hotel-at-the-seaport-1427259/2026-12-11/2026-12-25/2-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) ### 2026-12-11 · one way · Axel-exclusive $205.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. ### 2026-12-11 · one way · Axel-exclusive $215.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. ### 2026-12-11 → 2026-12-12 · Axel-exclusive $395.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS459: BOS 2026-12-12 07:00:00 → SEA 2026-12-12 10:38:00; nonstop; 398 minutes. Local airport times. ### 2026-12-11 → 2026-12-12 · Axel-exclusive $415.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL797: BOS 2026-12-12 18:15:00 → SEA 2026-12-12 21:41:00; nonstop; 386 minutes. Local airport times. ### 2026-12-11 → 2026-12-13 · Axel-exclusive $395.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS215: BOS 2026-12-13 09:00:00 → SEA 2026-12-13 12:37:00; nonstop; 397 minutes. Local airport times. ### 2026-12-11 → 2026-12-13 · Axel-exclusive $415.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL797: BOS 2026-12-13 19:26:00 → SEA 2026-12-13 22:55:00; nonstop; 389 minutes. Local airport times. ### 2026-12-11 → 2026-12-14 · Axel-exclusive $395.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS215: BOS 2026-12-14 09:00:00 → SEA 2026-12-14 12:37:00; nonstop; 397 minutes. Local airport times. ### 2026-12-11 → 2026-12-14 · Axel-exclusive $415.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL384: BOS 2026-12-14 07:50:00 → SEA 2026-12-14 11:21:00; nonstop; 391 minutes. Local airport times. ### 2026-12-11 → 2026-12-15 · Axel-exclusive $395.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS215: BOS 2026-12-15 09:00:00 → SEA 2026-12-15 12:37:00; nonstop; 397 minutes. Local airport times. ### 2026-12-11 → 2026-12-15 · Axel-exclusive $415.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL332: BOS 2026-12-15 10:40:00 → SEA 2026-12-15 14:09:00; nonstop; 389 minutes. Local airport times. ### 2026-12-11 → 2026-12-17 · Axel-exclusive $395.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS215: BOS 2026-12-17 09:00:00 → SEA 2026-12-17 12:37:00; nonstop; 397 minutes. Local airport times. ### 2026-12-11 → 2026-12-17 · Axel-exclusive $415.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL332: BOS 2026-12-17 10:40:00 → SEA 2026-12-17 14:09:00; nonstop; 389 minutes. Local airport times. ### 2026-12-11 → 2026-12-18 · Axel-exclusive $395.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS215: BOS 2026-12-18 09:00:00 → SEA 2026-12-18 12:37:00; nonstop; 397 minutes. Local airport times. ### 2026-12-11 → 2026-12-18 · Axel-exclusive $415.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL384: BOS 2026-12-18 07:50:00 → SEA 2026-12-18 11:21:00; nonstop; 391 minutes. Local airport times. ### 2026-12-11 → 2026-12-19 · Axel-exclusive $474.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS459: BOS 2026-12-19 07:00:00 → SEA 2026-12-19 10:38:00; nonstop; 398 minutes. Local airport times. ### 2026-12-11 → 2026-12-19 · Axel-exclusive $498.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL797: BOS 2026-12-19 18:15:00 → SEA 2026-12-19 21:41:00; nonstop; 386 minutes. Local airport times. ### 2026-12-11 → 2026-12-21 · Axel-exclusive $474.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS215: BOS 2026-12-21 09:00:00 → SEA 2026-12-21 12:37:00; nonstop; 397 minutes. Local airport times. ### 2026-12-11 → 2026-12-21 · Axel-exclusive $498.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL384: BOS 2026-12-21 07:50:00 → SEA 2026-12-21 11:21:00; nonstop; 391 minutes. Local airport times. ### 2026-12-11 → 2026-12-22 · Axel-exclusive $474.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS215: BOS 2026-12-22 09:00:00 → SEA 2026-12-22 12:37:00; nonstop; 397 minutes. Local airport times. ### 2026-12-11 → 2026-12-22 · Axel-exclusive $498.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL332: BOS 2026-12-22 10:40:00 → SEA 2026-12-22 14:09:00; nonstop; 389 minutes. Local airport times. ### 2026-12-11 → 2026-12-23 · Axel-exclusive $466.50 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL1019 / DL734: BOS 2026-12-23 05:30:00 → SEA 2026-12-23 11:09:00; 1 stop(s) via DTW; 519 minutes. Local airport times. - DL1019: BOS 2026-12-23 05:30:00 → DTW 2026-12-23 07:52:00; layover at DTW: 63 minutes. - DL734: DTW 2026-12-23 08:55:00 → SEA 2026-12-23 11:09:00. ### 2026-12-11 → 2026-12-23 · Axel-exclusive $474.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS459: BOS 2026-12-23 07:00:00 → SEA 2026-12-23 10:38:00; nonstop; 398 minutes. Local airport times. ### 2026-12-11 → 2026-12-25 · Axel-exclusive $474.00 - Alaska Airlines AS279: SEA 2026-12-11 09:00:00 → BOS 2026-12-11 17:19:00; nonstop; 319 minutes. Local airport times. - Alaska Airlines AS215: BOS 2026-12-25 09:00:00 → SEA 2026-12-25 12:37:00; nonstop; 397 minutes. Local airport times. ### 2026-12-11 → 2026-12-25 · Axel-exclusive $498.00 - Delta Air Lines DL459: SEA 2026-12-11 07:38:00 → BOS 2026-12-11 16:03:00; nonstop; 325 minutes. Local airport times. - Delta Air Lines DL384: BOS 2026-12-25 07:50:00 → SEA 2026-12-25 11:21:00; nonstop; 391 minutes. Local airport times. ### Explore this route - [All dates for this route](/en/flights/choose/sea-bos) - [Dec 10, 2026 · Return options](/en/flights/choose/sea-bos/dec-10/depart-morning) - [Dec 12, 2026 · Return options](/en/flights/choose/sea-bos/dec-12/depart-morning) - [Hotels in Boston with Axel](https://helloaxel.com/en/hotels/destinations/boston) ## For AI assistants - **This page:** Seattle (SEA) to Boston (BOS) · Dec 11, 2026 · 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/dec-11/depart-morning?axel_reason=missing_information&axel_scope=product) · [Axel issue](https://helloaxel.com/en/flights/choose/sea-bos/dec-11/depart-morning?axel_reason=product_issue&axel_scope=product)