The cheapest times to fly from MSO to SEA are
- January 8th to March 4th
- March 26th to April 22nd
- August 6th to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from MSO to SEA is late October. Prices can be as high as $895 for Thursday flights during late July, or as low as $222 for Tuesday flights around late October.
When to Fly to Seattle
Flying from Missoula, MT (MSO) to Seattle, WA (SEA) will usually cost between $227 to $373 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $241. Due to high demand the most expensive time to fly is late July, with an average price of $436. Planning your trip to low-cost times can easily save you $195 on economy flights and even more on first-class flights. Generally, any price below $263 can be considered a good price for a round-trip MSO to SEA flight.
See below for a graph of average weekly prices for the MSO to SEA route. All prices are for round-trip tickets in USD.
Compared to other flights, the MSO to SEA flight is much cheaper than the average and costs much less than the average flight leaving from Missoula. The average price per mile (for a direct flight) is $0.42, which is a bit above average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Thursdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $26 (9%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $257. Return trip prices are from the SEA to MSO flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from MSO to SEA can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 41 minutes may be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from MSO to SEA while comparing.
- 129 miles (208 km) away from SEA
- Usually 1.14% less expensive than SEA
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from MSO to SEA? We’ve got answers.
Which airlines fly this route?
You can find 5 major airlines flying this route most often: Alaska, American, Delta, Frontier, United, and potentially more during busy seasons.
How far away is it from Seattle/Tacoma International Airport to Missoula International Airport?
The distance between the two airports is roughly 388 miles or 624 kilometers.
How long does it take to fly from MSO to SEA?
The real-world flight time for a nonstop MSO to SEA flight is about 1 hour 41 minutes.
How many flights go between Missoula, MT and Seattle, WA?
It depends on the day of the week and the date, but a typical day might have around 74 available flights from MSO to SEA.
Airport Location Info
|Origination airport name||Missoula International Airport|
|Country||the United States|
|Destination airport name||Seattle/Tacoma International Airport|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.