Seattle to Missoula flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seattle to Missoula is €120 with Alaska Airlines (checked on 22 Oct 2026).

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Lowest observed
€120
Average observed
€162
Cheapest month
December 2026
Last checked
30 Oct 2026
Observed fares. Prices may change.

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One-way fare

One-way fare · No data: click and we will search
Lowest observed
€120, departing 5 Dec 2026 (Last checked: 22 Oct 2026)One-way fareCheck live prices for this route
Non-stop, one way
€136, departing 2 Jan 2027 (Last checked: 22 Oct 2026)
Airlines seen
Alaska Airlines, Allegiant Air, American Airlines, Delta Air Lines, Frontier Airlines, United Airlines
Reported fastest flight
1h 24m
Non-stop
Yes

Seattle → MissoulaSat 5 Dec 2026 · €120Last checked: 22 Oct 2026

About this route

Explore the fares we observed from Seattle to Missoula. Prices move often, so pick your dates to see the latest options.

Route distance
634 km
Reported fastest flight
1h 24m
Alternative airports
BFI

Route-level information; individual journeys vary.
Published schedules report non-stop service with Alaska Airlines. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
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How our prices work
Price alert
Price alert for Seattle → Missoula

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Non-stop airlines seen on this route

Non-stop airlines seen on this route
AirlineNon-stop days / priced daysFastest non-stop
Alaska Airlines52 / 81

Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.

Airport to city: straight-line distance

  • King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
  • Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
  • Missoula Montana Airport (MSO) → Missoula, city gazetteer reference point (46.8721, -113.9940): ≈ 9 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Lowest one-way fare we saw per airline

Cheapest airline from Seattle to Missoula: Alaska Airlines, from €120 (checked 22 Oct 2026).

Lowest one-way fare we saw per airline
AirlineLowest farePriced days
Alaska Airlines€120Dec 5, 202675
Frontier Airlines€123Jan 14, 20276

One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.

Frequently asked

How much is a flight from Seattle to Missoula?

The lowest fare Routavio has observed is €120, found on 22 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Seattle to Missoula?

In our observations December 2026 is the cheapest month so far, at €120.

Are there direct flights from Seattle to Missoula?

Yes. Published schedules report non-stop flights on this route with Alaska Airlines.

Which airlines fly from Seattle to Missoula?

Routavio has seen these carriers on the route: Alaska Airlines, Allegiant Air, American Airlines, Delta Air Lines, Frontier Airlines, United Airlines.

How long does the flight from Seattle to Missoula take?

Across the 82 fares Routavio observed, the average journey time is 3h 34m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Seattle to Missoula fares were non-stop?

53 of the 83 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

How much is a non-stop flight from Seattle to Missoula?

Cheapest non-stop one-way fare: €136, departing 2 Jan 2027 (checked 22 Oct 2026).

Which airlines had non-stop offers on at least 3 departure dates from Seattle to Missoula?

For Seattle to Missoula, examples of observed one-way non-stop offers checked within the last 14 days: Alaska Airlines (52). Each number counts distinct departure dates, not weekly flights; check current availability in search.

Which airline has the lowest fare from Seattle to Missoula?

Cheapest airline from Seattle to Missoula: Alaska Airlines, from €120 (checked 22 Oct 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio

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Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 30 Oct 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.