Seattle (SEA) to Boston (BOS), Jan 1, 2027: round trips from $397, one way from $215

Seattle (SEA) to Boston (BOS), Jan 1, 2027: round trips from $397, one way from $215 on Axel, checked Oct 29, 2026. Lowest published fares: $397 round trip, Axel-exclusive, American Airlines / Alaska Airlines, 1 stop, Jan 1–6, 2027; $215 one way, Axel-exclusive, American Airlines, 1 stop, Jan 1, 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)
2027-01-01 · one way Alaska Airlines AS214 23:09:00→07:40:00 5h 31m nonstop Axel-exclusive $252.15 2026-10-29T00:39:14Z
2027-01-01 · one way American Airlines AA2379 + AA2089 23:59:00→10:32:00 7h 33m 1 stop via ORD Axel-exclusive $215.25 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-02 Alaska Airlines AS214 / AS257 23:09:00→07:40:00 5h 31m nonstop · 18:19:00→22:00:00 6h 41m nonstop Axel-exclusive $485.86 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-02 American Airlines / Delta Air Lines AA2379 + AA2089 / DL797 23:59:00→10:32:00 7h 33m 1 stop via ORD · 18:15:00→21:41:00 6h 26m nonstop Axel-exclusive $464.33 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-03 Alaska Airlines AS214 / AS257 23:09:00→07:40:00 5h 31m nonstop · 18:19:00→22:00:00 6h 41m nonstop Axel-exclusive $485.86 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-03 American Airlines / Delta Air Lines AA2379 + AA2089 / DL384 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $464.33 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-04 Alaska Airlines AS214 / AS215 23:09:00→07:40:00 5h 31m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $485.86 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-04 American Airlines / Delta Air Lines AA2379 + AA2089 / DL384 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:50:00→11:21:00 6h 31m nonstop Axel-exclusive $464.33 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-05 Alaska Airlines AS214 / AS215 23:09:00→07:40:00 5h 31m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-05 American Airlines / Delta Air Lines AA2379 + AA2089 / DL332 23:59:00→10:32:00 7h 33m 1 stop via ORD · 10:40:00→14:09:00 6h 29m nonstop Axel-exclusive $406.23 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-06 Alaska Airlines AS214 / AS459 23:09:00→07:40:00 5h 31m nonstop · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-06 American Airlines / Alaska Airlines AA2379 + AA2089 / AS459 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $396.73 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-07 Alaska Airlines AS214 / AS215 23:09:00→07:40:00 5h 31m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-07 American Airlines / Alaska Airlines AA2379 + AA2089 / AS215 23:59:00→10:32:00 7h 33m 1 stop via ORD · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $396.73 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-08 Alaska Airlines AS214 / AS215 23:09:00→07:40:00 5h 31m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-08 American Airlines / Delta Air Lines AA2379 + AA2089 / DL384 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:50:00→11:21:00 6h 31m nonstop Axel-exclusive $406.23 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-09 Alaska Airlines AS214 / AS459 23:09:00→07:40:00 5h 31m nonstop · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-09 American Airlines / Delta Air Lines AA2379 + AA2089 / DL384 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $406.23 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-10 Alaska Airlines AS214 / AS257 23:09:00→07:40:00 5h 31m nonstop · 18:19:00→22:00:00 6h 41m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-10 American Airlines / Delta Air Lines AA2379 + AA2089 / DL384 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $406.23 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-11 Alaska Airlines AS214 / AS215 23:09:00→07:40:00 5h 31m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-11 American Airlines / Delta Air Lines AA2379 + AA2089 / DL384 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:50:00→11:21:00 6h 31m nonstop Axel-exclusive $406.23 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-12 Alaska Airlines AS214 / AS215 23:09:00→07:40:00 5h 31m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-12 American Airlines / Delta Air Lines AA2379 + AA2089 / DL332 23:59:00→10:32:00 7h 33m 1 stop via ORD · 10:40:00→14:09:00 6h 29m nonstop Axel-exclusive $406.23 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-13 Alaska Airlines AS214 / AS459 23:09:00→07:40:00 5h 31m nonstop · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-13 American Airlines / Alaska Airlines AA2379 + AA2089 / AS459 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $396.73 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-14 Alaska Airlines AS214 / AS215 23:09:00→07:40:00 5h 31m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-14 American Airlines / Alaska Airlines AA2379 + AA2089 / AS215 23:59:00→10:32:00 7h 33m 1 stop via ORD · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $396.73 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-15 Alaska Airlines AS214 / AS215 23:09:00→07:40:00 5h 31m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $430.56 2026-10-29T00:39:14Z
2027-01-01 → 2027-01-15 American Airlines / Delta Air Lines AA2379 + AA2089 / DL384 23:59:00→10:32:00 7h 33m 1 stop via ORD · 07:50:00→11:21:00 6h 31m nonstop Axel-exclusive $406.23 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.

All hotels in Boston

Route overview: Seattle to Boston (BOS) flight deals

2027-01-01 · one way · Axel-exclusive $215.25

2027-01-01 · one way · Axel-exclusive $252.15

2027-01-01 → 2027-01-02 · Axel-exclusive $464.33

2027-01-01 → 2027-01-02 · Axel-exclusive $485.86

2027-01-01 → 2027-01-03 · Axel-exclusive $464.33

2027-01-01 → 2027-01-03 · Axel-exclusive $485.86

2027-01-01 → 2027-01-04 · Axel-exclusive $464.33

2027-01-01 → 2027-01-04 · Axel-exclusive $485.86

2027-01-01 → 2027-01-05 · Axel-exclusive $406.23

2027-01-01 → 2027-01-05 · Axel-exclusive $430.56

2027-01-01 → 2027-01-07 · Axel-exclusive $396.73

2027-01-01 → 2027-01-07 · Axel-exclusive $430.56

2027-01-01 → 2027-01-08 · Axel-exclusive $406.23

2027-01-01 → 2027-01-08 · Axel-exclusive $430.56

2027-01-01 → 2027-01-09 · Axel-exclusive $406.23

2027-01-01 → 2027-01-09 · Axel-exclusive $430.56

2027-01-01 → 2027-01-11 · Axel-exclusive $406.23

2027-01-01 → 2027-01-11 · Axel-exclusive $430.56

2027-01-01 → 2027-01-12 · Axel-exclusive $406.23

2027-01-01 → 2027-01-12 · Axel-exclusive $430.56

2027-01-01 → 2027-01-13 · Axel-exclusive $396.73

2027-01-01 → 2027-01-13 · Axel-exclusive $430.56

2027-01-01 → 2027-01-15 · Axel-exclusive $406.23

2027-01-01 → 2027-01-15 · Axel-exclusive $430.56

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