$88 Cheap Flights from Seattle (SEA) to Missoula (MSO)

View $88 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Missoula Intl. Airport (MSO)

  • 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

Today's featured flight deals from Seattle-Tacoma International Airport (SEA) to Missoula Intl. Airport (MSO)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Seattle to Missoula (SEA-MSO)

Prices were available within the past 7 days and start at $88 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Oct 11 - Sat, Oct 18
SEA
Seattle
MSO
Missoula
$157 Roundtrip, found 5 hours ago
$157
Roundtrip
found 5 hours ago
Select Hawaiian Airlines flight, departing Sat, Oct 11 from Seattle to Missoula, returning Sat, Oct 18, priced at $157 found 5 hours ago
Alaska Airlines
Sat, Sep 20 - Tue, Sep 23
SEA
Seattle
MSO
Missoula
$167 Roundtrip, found 3 hours ago
$167
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Sep 20 from Seattle to Missoula, returning Tue, Sep 23, priced at $167 found 3 hours ago
Alaska Airlines
Sat, Sep 20 - Tue, Sep 23
SEA
Seattle
MSO
Missoula
$177 Roundtrip, found 3 hours ago
$177
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Sep 20 from Seattle to Missoula, returning Tue, Sep 23, priced at $177 found 3 hours ago
Alaska Airlines
Tue, Sep 23 - Tue, Sep 30
SEA
Seattle
MSO
Missoula
$187 Roundtrip, found 10 hours ago
$187
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Seattle to Missoula, returning Tue, Sep 30, priced at $187 found 10 hours ago
Delta
Sat, Nov 1 - Wed, Nov 5
SEA
Seattle
MSO
Missoula
$188 Roundtrip, found 12 hours ago
$188
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Nov 1 from Seattle to Missoula, returning Wed, Nov 5, priced at $188 found 12 hours ago
Delta
Tue, Sep 23 - Tue, Sep 30
SEA
Seattle
MSO
Missoula
$189 Roundtrip, found 10 hours ago
$189
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Sep 23 from Seattle to Missoula, returning Tue, Sep 30, priced at $189 found 10 hours ago
Alaska Airlines
Tue, Sep 23 - Tue, Sep 30
SEA
Seattle
MSO
Missoula
$197 Roundtrip, found 10 hours ago
$197
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Seattle to Missoula, returning Tue, Sep 30, priced at $197 found 10 hours ago
Hawaiian Airlines
Tue, Sep 30 - Wed, Oct 1
SEA
Seattle
MSO
Missoula
$197 Roundtrip, found 9 hours ago
$197
Roundtrip
found 9 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 30 from Seattle to Missoula, returning Wed, Oct 1, priced at $197 found 9 hours ago
Delta
Thu, Oct 30 - Mon, Nov 3
SEA
Seattle
MSO
Missoula
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 30 from Seattle to Missoula, returning Mon, Nov 3, priced at $198 found 2 days ago
United
Tue, Sep 30 - Sat, Oct 4
SEA
Seattle
MSO
Missoula
$525 Roundtrip, found 10 hours ago
$525
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Sep 30 from Seattle to Missoula, returning Sat, Oct 4, priced at $525 found 10 hours ago

Find the cheapest month to fly from Seattle (SEA) to Missoula (MSO)

February is typically the cheapest month to fly

From $137 - $307 per traveler.

Graph displaying average flight prices per month

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 $298
MSO
Missoula Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $298
Flights from Seattle (SEA) to Missoula (MSO)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$157
Distance
387 mi

Seattle to Missoula Flights

The cheapest times to fly from Seattle 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 to Missoula are during the month of October. You can find some of the cheapest flights from Seattle to Missoula with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Missoula

Sunday is one of the best days to book for cheap flights from Seattle 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 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 to Missoula in 2025. You can also book with separate airlines for your outbound and return journeys, from $88 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 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 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 Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO) cost?
Grab a cheap one-way flight from $88 or cheap return flight from $157 from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
October is the least expensive month to fly from SEA to MSO. Avoiding peak travel times is often the key to landing a great deal.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
Fly directly from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO) on an Alaska Airlines flight.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
To find the cheapest airline flying from SEA to MSO, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
With, on average, 2 direct flights that operate from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO) daily, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
Flights between SEA and MSO are busiest at 3 PM. If you're after a less crowded experience and possibly cheaper prices, look for a time outside the usual busy windows.
What day of the week has the most flights from SEA to MSO?
If you depart on a Friday, you'll get the biggest range of choices for flights from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
Catch the earliest flight at around 11:25AM UTC-8, departing from Seattle - Tacoma Intl. Airport (SEA). You'll be in the air for around 1h 17m, reaching Missoula Intl. Airport (MSO) at approximately 1:42PM UTC-7.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
It takes about 1 hour and 16 minutes to travel the 390 mi from SEA to MSO.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Missoula from Seattle - Tacoma Intl. Airport (SEA)?
Browse your flight options from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO). This is the only Missoula airport you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO) last-minute?
Last-minute bookings from SEA to MSO are generally more expensive. To secure the lowest rates, start searching for flights ahead of time. That being said, if your travel plans are flexible, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a SEA to MSO flight and hotel package?
Securing a SEA to MSO flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Missoula Intl. Airport (MSO)?
If you reserved your SEA to MSO flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.