Seattle (SEA) to Boston (BOS), Jan 10–11, 2027: from $424 round trip

Seattle (SEA) to Boston (BOS), Jan 10–11, 2027: from $424 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $424 round trip, Axel-exclusive, American Airlines / Alaska Airlines, 1 stop, Jan 10–11, 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 excluded.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel dates	Airline	Flights	Times, duration, stops	Total price	Price issued (UTC)
2027-01-10 → 2027-01-11	Alaska Airlines	AS460 / AS257	15:35:00→23:59:00 5h 24m nonstop · 18:22:00→22:00:00 6h 38m nonstop · no basic economy	Axel-exclusive $455.26	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	Delta Air Lines	DL876 / DL384	15:55:00→00:12:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop · no basic economy	Axel-exclusive $474.26	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	American Airlines / Alaska Airlines	AA2379 + AA2089 / AS257	23:59:00→10:32:00 7h 33m 1 stop via ORD · 18:22:00→22:00:00 6h 38m nonstop · no basic economy	Axel-exclusive $424.13	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	Alaska Airlines	AS460 / AS215	21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop · no basic economy	Axel-exclusive $455.26	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	Delta Air Lines	DL459 / DL384	07:15:00→15:43:00 5h 28m nonstop · 07:50:00→11:21:00 6h 31m nonstop · no basic economy	Axel-exclusive $474.26	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	American Airlines / Delta Air Lines	AA2203 + AA1874 / DL384	12:34:00→23:13:00 7h 39m 1 stop via PHL · 07:50:00→11:21:00 6h 31m nonstop · no basic economy	Axel-exclusive $433.63	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	Alaska Airlines	AS2 + AA1152 / AS215	14:02:00→00:21:00 7h 19m 1 stop via DCA · 09:00:00→12:37:00 6h 37m nonstop · no basic economy	Axel-exclusive $438.63	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	Alaska Airlines	AS314 + AA4801 / AS215	09:16:00→19:55:00 7h 39m 1 stop via STL · 09:00:00→12:37:00 6h 37m nonstop · no basic economy	Axel-exclusive $438.63	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	Delta Air Lines	DL1120 + DL702 / DL384	13:25:00→23:57:00 7h 32m 1 stop via SLC · 07:50:00→11:21:00 6h 31m nonstop · no basic economy	Axel-exclusive $452.88	2026-10-29T00:39:14Z
2027-01-10 → 2027-01-11	Delta Air Lines	DL876 / DL1127 + DL881	15:55:00→00:13:00 5h 18m nonstop · 15:05:00→20:49:00 8h 44m 1 stop via MSP · no basic economy	Axel-exclusive $452.88	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 (Jan 10–11, 2027 · 1 night · 2 adults, 1 room): 3★ The Verb Hotel · 4★ The Eliot Hotel · 5★ Boston Harbor Hotel

All hotels in Boston

Route overview: Seattle to Boston (BOS) flight deals

2027-01-10 → 2027-01-11 · Axel-exclusive $455.26

Alaska Airlines AS460: SEA 2027-01-10 15:35:00 → BOS 2027-01-10 23:59:00; nonstop; 324 minutes. Local airport times.
Alaska Airlines AS257: BOS 2027-01-11 18:22:00 → SEA 2027-01-11 22:00:00; nonstop; 398 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $474.26

Delta Air Lines DL876: SEA 2027-01-10 15:55:00 → BOS 2027-01-11 00:12:00; nonstop; 317 minutes. Local airport times.
Delta Air Lines DL384: BOS 2027-01-11 07:50:00 → SEA 2027-01-11 11:21:00; nonstop; 391 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $424.13

American Airlines AA2379 / AA2089: SEA 2027-01-10 23:59:00 → BOS 2027-01-11 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
- AA2379: SEA 2027-01-10 23:59:00 → ORD 2027-01-11 05:55:00; layover at ORD: 64 minutes.
- AA2089: ORD 2027-01-11 06:59:00 → BOS 2027-01-11 10:32:00.
Alaska Airlines AS257: BOS 2027-01-11 18:22:00 → SEA 2027-01-11 22:00:00; nonstop; 398 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $455.26

Alaska Airlines AS460: SEA 2027-01-10 21:20:00 → BOS 2027-01-11 05:40:00; nonstop; 320 minutes. Local airport times.
Alaska Airlines AS215: BOS 2027-01-11 09:00:00 → SEA 2027-01-11 12:37:00; nonstop; 397 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $474.26

Delta Air Lines DL459: SEA 2027-01-10 07:15:00 → BOS 2027-01-10 15:43:00; nonstop; 328 minutes. Local airport times.
Delta Air Lines DL384: BOS 2027-01-11 07:50:00 → SEA 2027-01-11 11:21:00; nonstop; 391 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $433.63

American Airlines AA2203 / AA1874: SEA 2027-01-10 12:34:00 → BOS 2027-01-10 23:13:00; 1 stop(s) via PHL; 459 minutes. Local airport times.
- AA2203: SEA 2027-01-10 12:34:00 → PHL 2027-01-10 20:35:00; layover at PHL: 75 minutes.
- AA1874: PHL 2027-01-10 21:50:00 → BOS 2027-01-10 23:13:00.
Delta Air Lines DL384: BOS 2027-01-11 07:50:00 → SEA 2027-01-11 11:21:00; nonstop; 391 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $438.63

Alaska Airlines AS2 / AA1152: SEA 2027-01-10 14:02:00 → BOS 2027-01-11 00:21:00; 1 stop(s) via DCA; 439 minutes. Local airport times.
- AS2: SEA 2027-01-10 14:02:00 → DCA 2027-01-10 21:59:00; layover at DCA: 60 minutes.
- AA1152: DCA 2027-01-10 22:59:00 → BOS 2027-01-11 00:21:00.
Alaska Airlines AS215: BOS 2027-01-11 09:00:00 → SEA 2027-01-11 12:37:00; nonstop; 397 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $438.63

Alaska Airlines AS314 / AA4801: SEA 2027-01-10 09:16:00 → BOS 2027-01-10 19:55:00; 1 stop(s) via STL; 459 minutes. Local airport times.
- AS314: SEA 2027-01-10 09:16:00 → STL 2027-01-10 15:06:00; layover at STL: 69 minutes.
- AA4801: STL 2027-01-10 16:15:00 → BOS 2027-01-10 19:55:00.
Alaska Airlines AS215: BOS 2027-01-11 09:00:00 → SEA 2027-01-11 12:37:00; nonstop; 397 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $452.88

Delta Air Lines DL1120 / DL702: SEA 2027-01-10 13:25:00 → BOS 2027-01-10 23:57:00; 1 stop(s) via SLC; 452 minutes. Local airport times.
- DL1120: SEA 2027-01-10 13:25:00 → SLC 2027-01-10 16:26:00; layover at SLC: 70 minutes.
- DL702: SLC 2027-01-10 17:36:00 → BOS 2027-01-10 23:57:00.
Delta Air Lines DL384: BOS 2027-01-11 07:50:00 → SEA 2027-01-11 11:21:00; nonstop; 391 minutes. Local airport times.

2027-01-10 → 2027-01-11 · Axel-exclusive $452.88

Delta Air Lines DL876: SEA 2027-01-10 15:55:00 → BOS 2027-01-11 00:13:00; nonstop; 318 minutes. Local airport times.
Delta Air Lines DL1127 / DL881: BOS 2027-01-11 15:05:00 → SEA 2027-01-11 20:49:00; 1 stop(s) via MSP; 524 minutes. Local airport times.
- DL1127: BOS 2027-01-11 15:05:00 → MSP 2027-01-11 17:25:00; layover at MSP: 81 minutes.
- DL881: MSP 2027-01-11 18:46:00 → SEA 2027-01-11 20:49:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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This page: Seattle (SEA) to Boston (BOS) · Jan 10, 2027 · return Jan 11, 2027: 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 priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
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