Seattle (SEA) to Boston (BOS), May 30, 2027: round trips from $558, one way from $311

Seattle (SEA) to Boston (BOS), May 30, 2027: round trips from $558, one way from $311 on Axel, checked Oct 29, 2026. Lowest published fares: $558 round trip, Axel-exclusive, Delta Air Lines, 1 stop, May 30, 2027 – Jun 2, 2027; $311 one way, Axel-exclusive, Alaska Airlines, nonstop, May 30, 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)
2027-05-30 · one way Alaska Airlines AS460 21:20:00→05:40:00 5h 20m nonstop Axel-exclusive $310.50 2026-10-29T00:39:14Z
2027-05-30 · one way Delta Air Lines DL876 15:55:00→00:12:00 5h 17m nonstop Axel-exclusive $322.00 2026-10-29T00:39:14Z
2027-05-30 → 2027-05-31 Alaska Airlines AS460 / AS215 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $603.76 2026-10-29T00:39:14Z
2027-05-30 → 2027-05-31 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop Axel-exclusive $626.76 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-01 Alaska Airlines AS460 / AS215 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $603.76 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-01 Delta Air Lines DL876 / DL332 15:55:00→00:12:00 5h 17m nonstop · 10:40:00→14:09:00 6h 29m nonstop Axel-exclusive $626.76 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-02 Alaska Airlines AS460 / AS459 21:20:00→05:40:00 5h 20m nonstop · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-02 Delta Air Lines DL876 / DL1019 + DL734 15:55:00→00:12:00 5h 17m nonstop · 05:30:00→11:09:00 8h 39m 1 stop via DTW Axel-exclusive $558.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-03 Alaska Airlines AS460 / AS215 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-03 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-04 Alaska Airlines AS460 / AS215 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-04 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-05 Alaska Airlines AS460 / AS459 21:20:00→05:40:00 5h 20m nonstop · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-05 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-06 Alaska Airlines AS460 / AS257 21:20:00→05:40:00 5h 20m nonstop · 18:19:00→22:00:00 6h 41m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-06 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-07 Alaska Airlines AS460 / AS215 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-07 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-08 Alaska Airlines AS460 / AS215 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-08 Delta Air Lines DL876 / DL332 15:55:00→00:12:00 5h 17m nonstop · 10:40:00→14:09:00 6h 29m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-09 Alaska Airlines AS460 / AS459 21:20:00→05:40:00 5h 20m nonstop · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-09 Delta Air Lines DL876 / DL1019 + DL734 15:55:00→00:12:00 5h 17m nonstop · 05:30:00→11:09:00 8h 39m 1 stop via DTW Axel-exclusive $558.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-10 Alaska Airlines AS460 / AS215 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-10 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-11 Alaska Airlines AS460 / AS215 21:20:00→05:40:00 5h 20m nonstop · 09:00:00→12:37:00 6h 37m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-11 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:50:00→11:21:00 6h 31m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-12 Alaska Airlines AS460 / AS459 21:20:00→05:40:00 5h 20m nonstop · 07:00:00→10:38:00 6h 38m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-12 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $585.88 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-13 Alaska Airlines AS460 / AS257 21:20:00→05:40:00 5h 20m nonstop · 18:19:00→22:00:00 6h 41m nonstop Axel-exclusive $564.38 2026-10-29T00:39:14Z
2027-05-30 → 2027-06-13 Delta Air Lines DL876 / DL384 15:55:00→00:12:00 5h 17m nonstop · 07:30:00→11:05:00 6h 35m nonstop Axel-exclusive $585.88 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.

All hotels in Boston

Route overview: Seattle to Boston (BOS) flight deals

2027-05-30 · one way · Axel-exclusive $310.50

2027-05-30 · one way · Axel-exclusive $322.00

2027-05-30 → 2027-05-31 · Axel-exclusive $603.76

2027-05-30 → 2027-05-31 · Axel-exclusive $626.76

2027-05-30 → 2027-06-01 · Axel-exclusive $603.76

2027-05-30 → 2027-06-01 · Axel-exclusive $626.76

2027-05-30 → 2027-06-02 · Axel-exclusive $558.38

2027-05-30 → 2027-06-02 · Axel-exclusive $564.38

2027-05-30 → 2027-06-03 · Axel-exclusive $564.38

2027-05-30 → 2027-06-03 · Axel-exclusive $585.88

2027-05-30 → 2027-06-05 · Axel-exclusive $564.38

2027-05-30 → 2027-06-05 · Axel-exclusive $585.88

2027-05-30 → 2027-06-06 · Axel-exclusive $564.38

2027-05-30 → 2027-06-06 · Axel-exclusive $585.88

2027-05-30 → 2027-06-07 · Axel-exclusive $564.38

2027-05-30 → 2027-06-07 · Axel-exclusive $585.88

2027-05-30 → 2027-06-09 · Axel-exclusive $558.38

2027-05-30 → 2027-06-09 · Axel-exclusive $564.38

2027-05-30 → 2027-06-10 · Axel-exclusive $564.38

2027-05-30 → 2027-06-10 · Axel-exclusive $585.88

2027-05-30 → 2027-06-11 · Axel-exclusive $564.38

2027-05-30 → 2027-06-11 · Axel-exclusive $585.88

2027-05-30 → 2027-06-13 · Axel-exclusive $564.38

2027-05-30 → 2027-06-13 · Axel-exclusive $585.88

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