C$107 Cheap Flights from Missoula to Seattle

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Flight deals from Missoula to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Missoula to Seattle? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Missoula to Seattle

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

Direct flights from Missoula to Seattle

Missoula to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$107
Cheapest month to flyApril
Average flight time1 hr, 39 mins
Most popular airlineAlaska Airlines
Average flights per week176

Finding cheap flights from Missoula to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Missoula to Seattle is C$174. 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 39 minutes is the average flight time from Missoula to Seattle.
Alaska Airlines, Qatar Airways and Horizon Air fly direct from Missoula to Seattle.
As of February 2026, there are 174 flights per week flying from Missoula to Seattle.
The cheapest month to fly from Missoula to Seattle is usually March.
If you're flying from Missoula Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from C$174.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Missoula Airport to Seattle on Wednesday, March 18, 2026.
Yes – the average flight time is 1 hour and 39 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 Seattle 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 Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 4°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Hawaiian Airlines offers the cheapest flight tickets to Seattle.

Flying from Missoula International Airport (MSO) to Seattle: what you need to know

  • Hop on a direct flight from Missoula International Airport to Seattle and you'll be in the air for around 1 hour 23 minutes.

  • Missoula International Airport is located in Missoula. Based in the UTC-7 timezone, Seattle is 1 hour behind Missoula.

  • With 23 flights a week between the two airports, Missoula International Airport (MSO) to Seattle-Tacoma International Airport (SEA) is the busiest route. Alaska Airlines operates the earliest flight at 06:00. If you're eager to get more out of your day before jetting off, the latest flight from MSO to SEA is with Alaska Airlines at 18:59.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your flight from MSO to Seattle.

  • Getting on a plane during a peak time like July? High seasons (like spring break, summer and Thanksgiving) can easily add another hour at security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • You can book a direct flight from Missoula International Airport to Seattle. Start your journey at MSO and end it at Seattle-Tacoma International Airport (SEA).

  • Look out for promotions from Alaska Airlines. This carrier has direct flights from Missoula International Airport to Seattle.

  • When flying within United States, you don't need a visa or even a passport. However, you'll have to bring another kind of identification, like a driver's licence or ID card. Once you've booked flight tickets from Missoula International Airport to Seattle, make sure your ID is up to date.

  • MSO is around 11 kilometres from central Missoula. If you're catching a cab, driving or ride-sharing from the centre, it'll take 11 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be approximately 35 minutes.

  • Need a convenient hotel close to MSO? If you've booked an early flight from Missoula International Airport to Seattle, these accommodation options will have you moments from your departure gate:

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

  • C$107 is the lowest price we've found for a one-way ticket from Missoula International Airport to Seattle. For a return flight on this route, the best price is C$174. Depending on how early you book and the availability, these fares may change.

  • To snag cheap tickets from MSO to Seattle, book your trip 1 month ahead of your planned departure.

  • The cheapest month for tickets from Missoula International Airport to Seattle is September. Compare prices using the 'Whole month' tool to find the dates with the lowest fares.

  • Set up a Price Alert for cheap tickets from MSO to Seattle. There's no need to search every day to see if fares have dropped. We'll tell you as soon as there's a change in price.

  • Make the most of the filters to find your ideal journey. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Missoula International Airport to Seattle, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and journey duration.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle is approximately 23 kilometres. It takes around 18 minutes to get to the centre driving.

  • Travelling to the centre on public transport will take you around 54 minutes.

  • The last thing you want is a long journey to your hotel if you're getting in late on a flight from Missoula International Airport to Seattle. Check in to one of these accommodation options near SEA instead:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • July is the most popular month to hop on a flight from Missoula International Airport to Seattle while May is the quietest. To work out the ideal time to go to Seattle, consider whether you like a lively atmosphere or a quieter vibe.

  • Lock in your flight from Missoula International Airport to Seattle for August to visit the city during its warmest month. You can expect temperatures to range from 12ºC to 28ºC.

  • February sees average temperatures of between -1ºC and 11ºC. Look for cheap flights from MSO to Seattle around that time if you like travelling in cooler conditions.

More about Seattle

  • After booking your flight from Missoula International Airport to Seattle, think about where you want to stay in this city. Make one of these options your base for exploring Seattle:

  • There are so many things to see and do in this city it can be difficult to know where to begin. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are major attractions which should be on any good Seattle itinerary.

Complete your Seattle trip with a car rental

  • Finding you a cheap flight from Missoula International Airport to Seattle isn't the only thing we're good at. Check out our car rentals in Seattle and travel at your own pace. We search for deals from trusted car rental companies and put them all in one place. You can instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.