$721 Cheap Flights from Butte (BTM) to Missoula (MSO)

View $721 flight on Thu, Nov 6, 2025Opens in a new window

Popular airlines from Butte, MT (BTM-Bert Mooney) to Missoula Intl. Airport (MSO)

Cheap Flights from Butte to Missoula (BTM-MSO)

Prices were available within the past 7 days and start at $721 for one-way flights and $878 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Aug 31 - Tue, Sep 1
BTM
Butte
MSO
Missoula
$878 Roundtrip, found 4 days ago
$878
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 31 from Butte to Missoula, returning Tue, Sep 1, priced at $878 found 4 days ago
Delta
Mon, Aug 31 - Tue, Sep 1
BTM
Butte
MSO
Missoula
$1,056 Roundtrip, found 4 days ago
$1,056
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Aug 31 from Butte to Missoula, returning Tue, Sep 1, priced at $1,056 found 4 days ago
United
Mon, Aug 31 - Tue, Sep 1
BTM
Butte
MSO
Missoula
$1,082 Roundtrip, found 4 days ago
$1,082
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 31 from Butte to Missoula, returning Tue, Sep 1, priced at $1,082 found 4 days ago
United
Mon, Aug 31 - Tue, Sep 1
BTM
Butte
MSO
Missoula
$1,478 Roundtrip, found 4 days ago
$1,478
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 31 from Butte to Missoula, returning Tue, Sep 1, priced at $1,478 found 4 days ago
Delta
Mon, Aug 31 - Tue, Sep 1
BTM
Butte
MSO
Missoula
$2,943 Roundtrip, found 4 days ago
$2,943
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Aug 31 from Butte to Missoula, returning Tue, Sep 1, priced at $2,943 found 4 days ago

Frequently asked questions

How much does a flight from Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO) cost?
Lock in a cheap one-way flight from $721 or cheap return flight from $878 from Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO)?
The cheapest month to fly from BTM to MSO is August, when there's less demand. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from BTM to MSO. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO)?
There aren't any daily nonstop flights from Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from BTM to MSO?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, carrier 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 Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO)?
To avoid potential delays on the Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO) route, travel before 3 PM. Flights after this time are 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.
Is it cheaper to buy a plane ticket from Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO) last-minute?
Last-minute bookings from BTM to MSO are usually more expensive. To secure the best rates, start looking for flights well in advance. That said, if you're flexible with your travel plans, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a BTM to MSO flight and hotel package?
Opting for a BTM to MSO flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bert Mooney Airport (BTM) to Missoula Intl. Airport (MSO)?
Usually, it's possible to reschedule or cancel your BTM to MSO flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Bert Mooney
Destination airport
Missoula Intl.
Roundtrip price
$878
Distance
100 mi

Book with confidence

Butte to Missoula Flights

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

 

The best time to book a flight from Butte to Missoula

Sunday is one of the best days to book for cheap flights from Butte 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 Butte 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 Butte to Missoula in 2025. You can also book with separate airlines for your outbound and return journeys, from $721 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 Butte 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 Butte 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.

 

Butte to Missoula Flights

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*Available to One Key members.