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Missoula → Seattle

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MSO → SEA1 adulteconomy

9 flight options · 1 airline

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
7:00 amMSO
1h 40m
Nonstop
7:40 amSEA
Alaska Airlines
9:29 pmSEA
1h 30m
Nonstop
11:59 pmMSO

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
4:21 pmMSO
1h 41m
Nonstop
5:02 pmSEA
Alaska Airlines
8:34 pmSEA
1h 26m
Nonstop
11:00 pmMSO

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
4:21 pmMSO
1h 41m
Nonstop
5:02 pmSEA
Alaska Airlines
9:29 pmSEA
1h 30m
Nonstop
11:59 pmMSO

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
7:00 amMSO
1h 40m
Nonstop
7:40 amSEA
Alaska Airlines
8:34 pmSEA
1h 26m
Nonstop
11:00 pmMSO

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
1:04 pmMSO
6h 41m
PDX · 3h 55m
6:45 pmSEA
Alaska Airlines
9:29 pmSEA
1h 30m
Nonstop
11:59 pmMSO

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
1:04 pmMSO
6h 41m
PDX · 3h 55m
6:45 pmSEA
Alaska Airlines
8:34 pmSEA
1h 26m
Nonstop
11:00 pmMSO

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Alaska Airlines
4:21 pmMSO
1h 41m
Nonstop
5:02 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
7:00 amMSO
1h 40m
Nonstop
7:40 amSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
1:04 pmMSO
6h 41m
PDX · 3h 55m
6:45 pmSEA

One-way total · 1 adult · Taxes included

Make this trip yours

MSO ⇄ SEA

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Alaska Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one wayAlaska AirlinesAS660$170.002026-10-29T01:30:38Z
2026-11-20 → 2026-11-23Alaska AirlinesAS553 / AS554$300.002026-10-29T01:30:38Z
2026-11-27 → 2026-12-04Alaska AirlinesAS660 / AS406$337.502026-10-29T01:30:38Z
2026-11-20 · one wayAlaska AirlinesAS553$170.002026-10-29T01:30:38Z
2026-11-20 → 2026-11-23Alaska AirlinesAS660 / AS554$300.002026-10-29T01:30:38Z
2026-11-27 → 2026-12-04Alaska AirlinesAS553 / AS406$337.502026-10-29T01:30:38Z
2026-11-20 · one wayAlaska AirlinesAS3141 + AS2240$195.002026-10-29T01:30:38Z
2026-11-20 → 2026-11-23Alaska AirlinesAS3141 + AS2240 / AS554$325.002026-10-29T01:30:38Z
2026-11-27 → 2026-12-04Alaska AirlinesAS3141 + AS2240 / AS406$368.752026-10-29T01:30:38Z

2026-11-20 · one way · $170.00

  • Alaska Airlines AS660: MSO 2026-11-20 16:21:00 → SEA 2026-11-20 17:02:00; nonstop; 101 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $300.00

  • Alaska Airlines AS553: MSO 2026-11-20 07:00:00 → SEA 2026-11-20 07:40:00; nonstop; 100 minutes. Local airport times.
  • Alaska Airlines AS554: SEA 2026-11-23 21:29:00 → MSO 2026-11-23 23:59:00; nonstop; 90 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $337.50

  • Alaska Airlines AS660: MSO 2026-11-27 16:21:00 → SEA 2026-11-27 17:02:00; nonstop; 101 minutes. Local airport times.
  • Alaska Airlines AS406: SEA 2026-12-04 20:34:00 → MSO 2026-12-04 23:00:00; nonstop; 86 minutes. Local airport times.

2026-11-20 · one way · $170.00

  • Alaska Airlines AS553: MSO 2026-11-20 07:00:00 → SEA 2026-11-20 07:40:00; nonstop; 100 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $300.00

  • Alaska Airlines AS660: MSO 2026-11-20 16:21:00 → SEA 2026-11-20 17:02:00; nonstop; 101 minutes. Local airport times.
  • Alaska Airlines AS554: SEA 2026-11-23 21:29:00 → MSO 2026-11-23 23:59:00; nonstop; 90 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $337.50

  • Alaska Airlines AS553: MSO 2026-11-27 07:00:00 → SEA 2026-11-27 07:40:00; nonstop; 100 minutes. Local airport times.
  • Alaska Airlines AS406: SEA 2026-12-04 20:34:00 → MSO 2026-12-04 23:00:00; nonstop; 86 minutes. Local airport times.

2026-11-20 · one way · $195.00

  • Alaska Airlines AS3141 / AS2240: MSO 2026-11-20 13:04:00 → SEA 2026-11-20 18:45:00; 1 stop(s) via PDX; 401 minutes. Local airport times.
    • AS3141: MSO 2026-11-20 13:04:00 → PDX 2026-11-20 13:50:00; layover at PDX: 235 minutes.
    • AS2240: PDX 2026-11-20 17:45:00 → SEA 2026-11-20 18:45:00.

2026-11-20 → 2026-11-23 · $325.00

  • Alaska Airlines AS3141 / AS2240: MSO 2026-11-20 13:04:00 → SEA 2026-11-20 18:45:00; 1 stop(s) via PDX; 401 minutes. Local airport times.
    • AS3141: MSO 2026-11-20 13:04:00 → PDX 2026-11-20 13:50:00; layover at PDX: 235 minutes.
    • AS2240: PDX 2026-11-20 17:45:00 → SEA 2026-11-20 18:45:00.
  • Alaska Airlines AS554: SEA 2026-11-23 21:29:00 → MSO 2026-11-23 23:59:00; nonstop; 90 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $368.75

  • Alaska Airlines AS3141 / AS2240: MSO 2026-11-27 13:04:00 → SEA 2026-11-27 18:45:00; 1 stop(s) via PDX; 401 minutes. Local airport times.
    • AS3141: MSO 2026-11-27 13:04:00 → PDX 2026-11-27 13:50:00; layover at PDX: 235 minutes.
    • AS2240: PDX 2026-11-27 17:45:00 → SEA 2026-11-27 18:45:00.
  • Alaska Airlines AS406: SEA 2026-12-04 20:34:00 → MSO 2026-12-04 23:00:00; nonstop; 86 minutes. Local airport times.

More dates for this route