$178 Cheap Flights from Seattle Paine Field Intl. Airport (PAE) to Missoula (MSO)

View $178 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from Seattle Paine Field Intl. Airport (PAE) to Missoula Intl. Airport (MSO)

Cheap Flights from Seattle Paine Field Intl. Airport to Missoula (PAE-MSO)

Prices were available within the past 7 days and start at $178 for one-way flights and $391 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Aug 12 - Fri, Aug 15
PAE
Seattle
MSO
Missoula
$391 Roundtrip, found 3 days ago
$391
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle to Missoula, returning Fri, Aug 15, priced at $391 found 3 days ago
Alaska Airlines
Tue, Aug 12 - Fri, Aug 15
PAE
Seattle
MSO
Missoula
$409 Roundtrip, found 3 days ago
$409
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle to Missoula, returning Fri, Aug 15, priced at $409 found 3 days ago
Alaska Airlines
Tue, Aug 12 - Fri, Aug 15
PAE
Seattle
MSO
Missoula
$415 Roundtrip, found 3 days ago
$415
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle to Missoula, returning Fri, Aug 15, priced at $415 found 3 days ago
Alaska Airlines
Tue, Aug 12 - Fri, Aug 15
PAE
Seattle
MSO
Missoula
$428 Roundtrip, found 3 days ago
$428
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle to Missoula, returning Fri, Aug 15, priced at $428 found 3 days ago
Alaska Airlines
Tue, Sep 9 - Fri, Sep 12
PAE
Seattle
MSO
Missoula
$429 Roundtrip, found 3 days ago
$429
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Seattle to Missoula, returning Fri, Sep 12, priced at $429 found 3 days ago
Alaska Airlines
Tue, Aug 12 - Fri, Aug 15
PAE
Seattle
MSO
Missoula
$433 Roundtrip, found 3 days ago
$433
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle to Missoula, returning Fri, Aug 15, priced at $433 found 3 days ago
Alaska Airlines
Tue, Sep 9 - Fri, Sep 12
PAE
Seattle
MSO
Missoula
$439 Roundtrip, found 3 days ago
$439
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Seattle to Missoula, returning Fri, Sep 12, priced at $439 found 3 days ago
Alaska Airlines
Tue, Sep 9 - Fri, Sep 12
PAE
Seattle
MSO
Missoula
$443 Roundtrip, found 3 days ago
$443
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Seattle to Missoula, returning Fri, Sep 12, priced at $443 found 3 days ago
Alaska Airlines
Tue, Sep 9 - Fri, Sep 12
PAE
Seattle
MSO
Missoula
$448 Roundtrip, found 3 days ago
$448
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Seattle to Missoula, returning Fri, Sep 12, priced at $448 found 3 days ago
Hawaiian Airlines
Tue, Jul 15 - Sat, Jul 19
PAE
Seattle
MSO
Missoula
$514 Roundtrip, found 2 days ago
$514
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Jul 15 from Seattle to Missoula, returning Sat, Jul 19, priced at $514 found 2 days ago

Alternative airports near Missoula

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Missoula Intl. MSO. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $672
MSO
Missoula Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $672
Flights from Seattle Paine Field Intl. Airport (PAE) to Missoula (MSO)
Origin airport
Seattle Paine Field Intl. Airport
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines
Roundtrip price
$356
Distance
388 mi

Seattle Paine Field Intl. Airport to Missoula Flights

The cheapest times to fly from Seattle Paine Field Intl. Airport to Missoula

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle Paine Field Intl. Airport to Missoula are during the month of August. You can find some of the cheapest flights from Seattle Paine Field Intl. Airport to Missoula with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle Paine Field Intl. Airport to Missoula

Sunday is one of the best days to book for cheap flights from Seattle Paine Field Intl. Airport to Missoula: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle Paine Field Intl. Airport to Missoula

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle Paine Field Intl. Airport to Missoula in 2025. You can also book with separate airlines for your outbound and return journeys, from $178 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle Paine Field Intl. Airport to Missoula flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle Paine Field Intl. Airport to Missoula airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Snohomish County - Paine Field Airport (PAE) to Missoula Intl. Airport (MSO) cost?
Discover the latest flight deals from PAE to MSO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PAE to MSO?
The cheapest flights from PAE to MSO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Snohomish County - Paine Field Airport (PAE) to Missoula Intl. Airport (MSO)?
Although Seattle Paine Field Intl. Airport (PAE) doesn't have any direct flights to Missoula Intl. Airport (MSO), other airports have nonstop options. Flying from Seattle - Tacoma Intl. Airport (SEA) will get you to Missoula without any detours.
What is the cheapest airline that flies from PAE to MSO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PAE to MSO. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Snohomish County - Paine Field Airport (PAE) to Missoula Intl. Airport (MSO)?
Nonstop flights from Snohomish County - Paine Field Airport (PAE) to Missoula Intl. Airport (MSO) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PAE to MSO?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Snohomish County - Paine Field Airport (PAE) to Missoula Intl. Airport (MSO)?
To arrive at Missoula Intl. Airport (MSO) on time, pick a flight that takes off from Snohomish County - Paine Field Airport (PAE) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Snohomish County - Paine Field Airport (PAE) to Missoula Intl. Airport (MSO) last-minute?
Holding off until just before your trip to book a ticket from PAE to MSO often results in higher prices. Although you may find some last-minute deals, they're not always guaranteed. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book a PAE to MSO flight and hotel package?
You'll generally save money by booking a PAE to MSO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Snohomish County - Paine Field Airport (PAE) to Missoula Intl. Airport (MSO)?
If you booked your PAE to MSO flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.