Boise (BOI) to Seattle (SEA), Dec 21, 2026: round trips from $248, one way from $150

Boise (BOI) to Seattle (SEA), Dec 21, 2026: round trips from $248, one way from $150 on Axel, checked Nov 11, 2026. Lowest published fares: $248 round trip, Axel-exclusive, Alaska Airlines, nonstop, Dec 21, 2026 – Jan 4, 2027; $150 one way, Axel-exclusive, Alaska Airlines, nonstop, Dec 21, 2026; 1 adult, economy, checked Nov 11, 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, labelled with the check date 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 check dates already shown here.

Exact travel dates Airline Flights Times, duration, stops Total price Price checked
2026-12-21 · one way Alaska Airlines AS2347 10:52:00→11:30:00 1h 38m nonstop Axel-exclusive $149.50 Nov 11, 2026
2026-12-21 · one way Delta Air Lines DL4127 14:10:00→15:00:00 1h 50m nonstop Axel-exclusive $162.50 Nov 11, 2026
2026-12-21 → 2026-12-22 Alaska Airlines AS2347 / AS3087 10:52:00→11:30:00 1h 38m nonstop · 09:50:00→12:21:00 1h 31m nonstop Axel-exclusive $286.00 Nov 11, 2026
2026-12-21 → 2026-12-22 Delta Air Lines DL4127 / DL3959 14:10:00→15:00:00 1h 50m nonstop · 13:30:00→16:04:00 1h 34m nonstop Axel-exclusive $312.00 Nov 11, 2026
2026-12-21 → 2026-12-23 Alaska Airlines AS2347 / AS3087 10:52:00→11:30:00 1h 38m nonstop · 09:50:00→12:21:00 1h 31m nonstop Axel-exclusive $286.00 Nov 11, 2026
2026-12-21 → 2026-12-23 Delta Air Lines DL4127 / DL3959 14:10:00→15:00:00 1h 50m nonstop · 13:30:00→16:04:00 1h 34m nonstop Axel-exclusive $312.00 Nov 11, 2026
2026-12-21 → 2026-12-24 Alaska Airlines AS2347 / AS2344 10:52:00→11:30:00 1h 38m nonstop · 11:51:00→14:18:00 1h 27m nonstop Axel-exclusive $286.00 Nov 11, 2026
2026-12-21 → 2026-12-24 Delta Air Lines DL4127 / DL3688 14:10:00→15:00:00 1h 50m nonstop · 14:44:00→17:15:00 1h 31m nonstop Axel-exclusive $312.00 Nov 11, 2026
2026-12-21 → 2026-12-25 Alaska Airlines AS2347 / AS295 10:52:00→11:30:00 1h 38m nonstop · 13:03:00→15:27:00 1h 24m nonstop Axel-exclusive $286.00 Nov 11, 2026
2026-12-21 → 2026-12-25 Delta Air Lines DL4127 / DL3688 14:10:00→15:00:00 1h 50m nonstop · 14:44:00→17:15:00 1h 31m nonstop Axel-exclusive $312.00 Nov 11, 2026
2026-12-21 → 2026-12-26 Alaska Airlines AS2347 / AS295 10:52:00→11:30:00 1h 38m nonstop · 13:03:00→15:27:00 1h 24m nonstop Axel-exclusive $286.00 Nov 11, 2026
2026-12-21 → 2026-12-26 Delta Air Lines DL4127 / DL3688 14:10:00→15:00:00 1h 50m nonstop · 14:44:00→17:15:00 1h 31m nonstop Axel-exclusive $312.00 Nov 11, 2026
2026-12-21 → 2026-12-27 Alaska Airlines AS2347 / AS248 10:52:00→11:30:00 1h 38m nonstop · 07:15:00→09:44:00 1h 29m nonstop Axel-exclusive $286.00 Nov 11, 2026
2026-12-21 → 2026-12-27 Delta Air Lines DL4127 / DL4127 14:10:00→15:00:00 1h 50m nonstop · 10:46:00→13:30:00 1h 44m nonstop Axel-exclusive $312.00 Nov 11, 2026
2026-12-21 → 2026-12-28 Alaska Airlines AS2347 / AS248 10:52:00→11:30:00 1h 38m nonstop · 07:15:00→09:44:00 1h 29m nonstop Axel-exclusive $280.50 Nov 11, 2026
2026-12-21 → 2026-12-28 Delta Air Lines DL4127 / DL4127 14:10:00→15:00:00 1h 50m nonstop · 10:35:00→13:10:00 1h 35m nonstop Axel-exclusive $306.00 Nov 11, 2026
2026-12-21 → 2026-12-29 Alaska Airlines AS2347 / AS3176 10:52:00→11:30:00 1h 38m nonstop · 19:50:00→22:18:00 1h 28m nonstop Axel-exclusive $280.50 Nov 11, 2026
2026-12-21 → 2026-12-29 Delta Air Lines DL4127 / DL3959 14:10:00→15:00:00 1h 50m nonstop · 13:30:00→16:04:00 1h 34m nonstop Axel-exclusive $306.00 Nov 11, 2026
2026-12-21 → 2026-12-30 Alaska Airlines AS2347 / AS3087 10:52:00→11:30:00 1h 38m nonstop · 09:50:00→12:21:00 1h 31m nonstop Axel-exclusive $280.50 Nov 11, 2026
2026-12-21 → 2026-12-30 Delta Air Lines DL4127 / DL4127 14:10:00→15:00:00 1h 50m nonstop · 10:46:00→13:30:00 1h 44m nonstop Axel-exclusive $306.00 Nov 11, 2026
2026-12-21 → 2026-12-31 Alaska Airlines AS2347 / AS2344 10:52:00→11:30:00 1h 38m nonstop · 11:51:00→14:18:00 1h 27m nonstop Axel-exclusive $280.50 Nov 11, 2026
2026-12-21 → 2026-12-31 Delta Air Lines DL4127 / DL4127 14:10:00→15:00:00 1h 50m nonstop · 10:46:00→13:30:00 1h 44m nonstop Axel-exclusive $306.00 Nov 11, 2026
2026-12-21 → 2027-01-01 Alaska Airlines AS2347 / AS248 10:52:00→11:30:00 1h 38m nonstop · 07:15:00→09:44:00 1h 29m nonstop Axel-exclusive $272.80 Nov 11, 2026
2026-12-21 → 2027-01-01 Delta Air Lines DL4127 / DL4127 14:10:00→15:00:00 1h 50m nonstop · 10:46:00→13:30:00 1h 44m nonstop Axel-exclusive $297.60 Nov 11, 2026
2026-12-21 → 2027-01-02 Alaska Airlines AS2347 / AS2016 10:52:00→11:30:00 1h 38m nonstop · 17:41:00→20:06:00 1h 25m nonstop Axel-exclusive $272.80 Nov 11, 2026
2026-12-21 → 2027-01-02 Delta Air Lines DL4127 / DL4127 14:10:00→15:00:00 1h 50m nonstop · 10:46:00→13:30:00 1h 44m nonstop Axel-exclusive $297.60 Nov 11, 2026
2026-12-21 → 2027-01-03 Alaska Airlines AS2347 / AS248 10:52:00→11:30:00 1h 38m nonstop · 07:15:00→09:44:00 1h 29m nonstop Axel-exclusive $272.80 Nov 11, 2026
2026-12-21 → 2027-01-03 Delta Air Lines DL4127 / DL4090 14:10:00→15:00:00 1h 50m nonstop · 21:19:00→23:51:00 1h 32m nonstop Axel-exclusive $297.60 Nov 11, 2026
2026-12-21 → 2027-01-04 Alaska Airlines AS2347 / AS3097 10:52:00→11:30:00 1h 38m nonstop · 16:11:00→18:40:00 1h 29m nonstop Axel-exclusive $247.50 Nov 11, 2026
2026-12-21 → 2027-01-04 Delta Air Lines DL4127 / DL4127 14:10:00→15:00:00 1h 50m nonstop · 10:35:00→13:10:00 1h 35m nonstop Axel-exclusive $270.00 Nov 11, 2026

Hotels in Seattle for these trips

Hotels: under a trip, hotels in Seattle for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the nightly rate and the stay's total, from the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Seattle

Route overview: Boise to Seattle (SEA) flight deals

2026-12-21 · one way · Axel-exclusive $149.50

2026-12-21 · one way · Axel-exclusive $162.50

2026-12-21 → 2026-12-22 · Axel-exclusive $286.00

2026-12-21 → 2026-12-22 · Axel-exclusive $312.00

2026-12-21 → 2026-12-23 · Axel-exclusive $286.00

2026-12-21 → 2026-12-23 · Axel-exclusive $312.00

2026-12-21 → 2026-12-24 · Axel-exclusive $286.00

2026-12-21 → 2026-12-24 · Axel-exclusive $312.00

2026-12-21 → 2026-12-25 · Axel-exclusive $286.00

2026-12-21 → 2026-12-25 · Axel-exclusive $312.00

2026-12-21 → 2026-12-27 · Axel-exclusive $286.00

2026-12-21 → 2026-12-27 · Axel-exclusive $312.00

2026-12-21 → 2026-12-28 · Axel-exclusive $280.50

2026-12-21 → 2026-12-28 · Axel-exclusive $306.00

2026-12-21 → 2026-12-29 · Axel-exclusive $280.50

2026-12-21 → 2026-12-29 · Axel-exclusive $306.00

2026-12-21 → 2026-12-31 · Axel-exclusive $280.50

2026-12-21 → 2026-12-31 · Axel-exclusive $306.00

2026-12-21 → 2027-01-01 · Axel-exclusive $272.80

2026-12-21 → 2027-01-01 · Axel-exclusive $297.60

2026-12-21 → 2027-01-02 · Axel-exclusive $272.80

2026-12-21 → 2027-01-02 · Axel-exclusive $297.60

2026-12-21 → 2027-01-04 · Axel-exclusive $247.50

2026-12-21 → 2027-01-04 · Axel-exclusive $270.00

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