$168 Cheap Flights from Missoula (MSO) to Seattle Paine Field Intl. Airport (PAE)

View $168 flight on Tue, Jun 10, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $168 for one-way flights and $340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, May 19 - Tue, Jun 3
MSO
Missoula
PAE
Seattle
$340 Roundtrip, found 4 days ago
$340
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, May 19 from Missoula to Seattle, returning Tue, Jun 3, priced at $340 found 4 days ago
Alaska Airlines
Mon, May 19 - Wed, Jun 4
MSO
Missoula
PAE
Seattle
$345 Roundtrip, found 4 days ago
$345
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, May 19 from Missoula to Seattle, returning Wed, Jun 4, priced at $345 found 4 days ago
Alaska Airlines
Sat, May 24 - Tue, Jun 3
MSO
Missoula
PAE
Seattle
$350 Roundtrip, found 4 days ago
$350
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, May 24 from Missoula to Seattle, returning Tue, Jun 3, priced at $350 found 4 days ago
Hawaiian Airlines
Fri, May 30 - Wed, Jun 11
MSO
Missoula
PAE
Seattle
$355 Roundtrip, found 4 days ago
$355
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Fri, May 30 from Missoula to Seattle, returning Wed, Jun 11, priced at $355 found 4 days ago
Alaska Airlines
Fri, May 30 - Tue, Jun 10
MSO
Missoula
PAE
Seattle
$360 Roundtrip, found 4 days ago
$360
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, May 30 from Missoula to Seattle, returning Tue, Jun 10, priced at $360 found 4 days ago
Alaska Airlines
Sat, May 24 - Fri, Jun 6
MSO
Missoula
PAE
Seattle
$365 Roundtrip, found 4 days ago
$365
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, May 24 from Missoula to Seattle, returning Fri, Jun 6, priced at $365 found 4 days ago
Alaska Airlines
Wed, May 21 - Tue, Jun 3
MSO
Missoula
PAE
Seattle
$380 Roundtrip, found 4 days ago
$380
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, May 21 from Missoula to Seattle, returning Tue, Jun 3, priced at $380 found 4 days ago
Alaska Airlines
Wed, May 21 - Wed, Jun 4
MSO
Missoula
PAE
Seattle
$385 Roundtrip, found 4 days ago
$385
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, May 21 from Missoula to Seattle, returning Wed, Jun 4, priced at $385 found 4 days ago
Hawaiian Airlines
Sat, May 17 - Wed, May 28
MSO
Missoula
PAE
Seattle
$387 Roundtrip, found 4 days ago
$387
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, May 17 from Missoula to Seattle, returning Wed, May 28, priced at $387 found 4 days ago
Alaska Airlines
Sat, May 24 - Mon, Jun 9
MSO
Missoula
PAE
Seattle
$390 Roundtrip, found 4 days ago
$390
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, May 24 from Missoula to Seattle, returning Mon, Jun 9, priced at $390 found 4 days ago
Flights from Missoula (MSO) to Seattle Paine Field Intl. Airport (PAE)
Origin airport
Missoula Intl.
Destination airport
Seattle Paine Field Intl. Airport
Airlines serving
Alaska Airlines, Hawaiian Airlines
Roundtrip price
$339
Distance
388 mi

Missoula to Seattle Paine Field Intl. Airport Flights

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

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 Missoula to Seattle Paine Field Intl. Airport are during the month of May. You can find some of the cheapest flights from Missoula to Seattle Paine Field Intl. Airport with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Missoula to Seattle Paine Field Intl. Airport: 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 Missoula to Seattle Paine Field Intl. Airport

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 Missoula to Seattle Paine Field Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $168 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 Missoula to Seattle Paine Field Intl. Airport 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 Missoula to Seattle Paine Field Intl. Airport 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 Missoula Intl. Airport (MSO) to Snohomish County - Paine Field Airport (PAE) cost?
Discover the latest flight deals from MSO to PAE 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 MSO to PAE?
The cheapest flights from MSO to PAE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MSO to PAE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MSO to PAE. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Missoula Intl. Airport (MSO) to Snohomish County - Paine Field Airport (PAE)?
There aren’t any daily direct flights available from Missoula Intl. Airport (MSO) to Snohomish County - Paine Field Airport (PAE). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from MSO to PAE?
Generally you’ll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Missoula Intl. Airport (MSO) to Snohomish County - Paine Field Airport (PAE)?
Choose a flight from Missoula Intl. Airport (MSO) to Snohomish County - Paine Field Airport (PAE) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**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.
What airports do you fly into for Seattle from Missoula Intl. Airport (MSO)?
Explore your flight options from Missoula Intl. Airport (MSO) to Seattle - Tacoma Intl. Airport (SEA). This is the only Seattle airport you can arrive at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Missoula Intl. Airport (MSO) to Snohomish County - Paine Field Airport (PAE) last-minute?
Last-minute bookings from MSO to PAE are usually more expensive. To secure the best prices, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may score a cheap fare right before your trip.
Is it cheaper to book a MSO to PAE flight and hotel package?
Compared with arranging flights and hotels separately, booking a MSO to PAE flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Missoula Intl. Airport (MSO) to Snohomish County - Paine Field Airport (PAE)?
If you reserved your MSO to PAE flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.