Cheap flights from Seattle to Missoula

Compare Seattle to Missoula flight deals

Find the cheapest month or even day of the year to fly to Missoula

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Flight deals from Seattle to Missoula

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Missoula Airport? If you want to travel next month, round-trip fares start from $293. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Seattle to Missoula

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Missoula flights are currently cheapest in September.

Direct flights from Seattle to Missoula

Seattle to Missoula: Alternative routes

Compare routes from Seattle to Missoula below. You may find an airport to fly into that's cheaper, faster, or easier than Missoula.

Seattle to Missoula: Flight information

The things to know before you go.
Cheapest flight found$218
Cheapest month to flyOctober
Average flight time1 hr, 31 mins
Most popular airlineQatar Airways
Average flights per week63

Finding cheap flights from Seattle to Missoula: Frequently asked questions

The best price we found for a round-trip flight from Seattle to Missoula is $218. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 31 minutes is the average flight time from Seattle to Missoula.
Qatar Airways, Alaska Airlines and Horizon Air fly direct from Seattle to Missoula.
There are 63 flights per week flying from Seattle to Missoula, as of June 2026.
The cheapest month to fly from Seattle to Missoula is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Missoula Airport on Saturday, October 31, 2026.
Yes – the average flight time is 1 hour and 31 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Missoula but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Missoula is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Missoula is Alaska Airlines.

Flying from Seattle to Missoula Montana Airport (MSO): What you need to know

  • Your boarding pass to adventure starts at Seattle's main airport, Seattle-Tacoma International Airport (SEA). Explore the options for reserving a flight from Seattle to Missoula Montana Airport (MSO) departing from this terminal.

  • Expect to be traveling for 1 hour 25 minutes. That's the average duration of a direct Seattle to Missoula Montana Airport flight.

  • Missoula Montana Airport is located in Missoula. The city is in the UTC-7 timezone and is one hour ahead of Seattle.

  • With 22 direct flights a week between the two airports, Seattle-Tacoma International Airport (SEA) to Missoula Montana Airport (MSO) is the busiest route. Alaska Airlines operates the earliest flight at 7:55am. If you prefer to make the most of your day before leaving, the last departure from SEA to MSO is with Alaska Airlines at 9:53pm.

  • Give yourself enough time to catch your flight from Seattle to MSO. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • July is a busy travel month. If you're taking off then or during a major holiday like Fourth of July, turn up even earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Go straight to your destination from Seattle-Tacoma International Airport (SEA). Direct flights from Seattle to Missoula Montana Airport (MSO) operate from here.

  • When jetting out of SEA, you can take a direct flight from Seattle to Missoula Montana Airport with Alaska Airlines.

  • The majority of passengers choose to book seats with Alaska Airlines between SEA and MSO.

  • With a dependable 81.13% of services arriving as planned, Alaska Airlines leads the way in punctuality on this route.

  • SEA is around 23 kilometers from central Seattle. If you're catching a cab, driving or ride-sharing from the center, it'll take you 25 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be around 35 minutes.

  • Planning to catch an early flight from Seattle to Missoula Montana Airport? Avoid the hassle of rushing to the terminal (and enjoy a few extra z's) by choosing one of these hotels close to Seattle-Tacoma International Airport:

  • Seattle-Tacoma International Airport has a solid on-time performance, reducing your chances of a delayed flight. Departures from SEA arrive at their destination as scheduled 80% of the time.

Seattle Paine Field International Airport (PAE)

  • You can reach PAE from central Seattle in approximately 40 minutes by car, depending on traffic conditions. The journey by public transport will take roughly 1 hour 30 minutes to cover the 40 kilometers or so.

  • Want to treat yourself to an extra night away before your Seattle to MSO flight? Unwind in a hotel near Seattle Paine Field International Airport before your adventure officially begins. These stays have your key waiting:

  • The majority of flights that depart Seattle Paine Field International Airport get to their destination as planned. It maintains a strong on-time performance rate of 80%.

About Missoula Montana Airport (MSO)

Getting from Missoula Montana Airport (MSO) to central Missoula

  • Missoula Montana Airport to central Missoula is about 8 kilometers. If you're renting a car or getting a cab, do a little research to make your trip as smooth as possible. Journey times will vary based on the time of day and traffic conditions.

  • Traveling on public transport takes around 30 minutes.

How to find the cheapest flights from Seattle to Missoula Montana Airport (MSO)

  • $122 is currently the lowest price for a one-way ticket from Seattle to Missoula Montana Airport. A return flight starts at $220. These prices may change depending on availability.

  • Booking early is often the key to scoring a cheap flight from Seattle to MSO. Flight prices rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • If you have some flexibility with your travel plans, try using the 'Whole month' search tool. It'll give you the lowest price across each month when searching for your Seattle to Missoula Montana Airport ticket.

  • Finding a cheap plane ticket from Seattle to MSO couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Tailor your flights using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Seattle to Missoula Montana Airport.

The best time to fly from Seattle to Missoula Montana Airport (MSO)

  • July is the most popular month for flights from Seattle to Missoula Montana Airport (MSO). Visit Missoula in December if you'd rather avoid peak season.

  • Book a Seattle to MSO plane ticket departing in July if you're eager to explore the city during its warmest month. You can expect temperatures in Missoula to range from 8ºC (46ºF) to 33ºC (91ºF).

  • January sees temperatures of between -16ºC (3ºF) and 2ºC (36ºF). Look for cheap tickets from Seattle to Missoula Montana Airport around that time if you like traveling in cooler conditions.

More about Missoula

Explore more of the United States

  • Missoula has plenty going for it, but there are so many other parts of the United States just waiting to be discovered. Around 257 kilometers west of Missoula, a trip to Spokane will fill your itinerary to the brim. Start with leading sights like Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

  • If you're interested in discovering another corner of the United States, consider Spokane Valley, about 257 kilometers west of Missoula. Appleway Trail, Splash Down Waterpark and Honor Point Military and Aerospace Museum are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.