$261 Cheap Flights from Buffalo (BUF) to Missoula (MSO)

View $261 flight on Tue, Jun 2, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Missoula Intl. Airport (MSO)

Cheap Flights from Buffalo to Missoula (BUF-MSO)

Prices were available within the past 7 days and start at $261 for one-way flights and $369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Sep 11 - Fri, Sep 18
BUF
Buffalo
MSO
Missoula
$369 Roundtrip, found 4 days ago
$369
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 11 from Buffalo to Missoula, returning Fri, Sep 18, priced at $369 found 4 days ago
United
Wed, Jun 3 - Sat, Jun 6
BUF
Buffalo
MSO
Missoula
$374 Roundtrip, found 4 days ago
$374
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jun 3 from Buffalo to Missoula, returning Sat, Jun 6, priced at $374 found 4 days ago
United
Fri, Sep 11 - Fri, Sep 18
BUF
Buffalo
MSO
Missoula
$389 Roundtrip, found 4 days ago
$389
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 11 from Buffalo to Missoula, returning Fri, Sep 18, priced at $389 found 4 days ago
American Airlines
Sat, Aug 29 - Thu, Sep 3
BUF
Buffalo
MSO
Missoula
$394 Roundtrip, found 6 days ago
$394
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Aug 29 from Buffalo to Missoula, returning Thu, Sep 3, priced at $394 found 6 days ago
United
Sun, Aug 30 - Sat, Sep 5
BUF
Buffalo
MSO
Missoula
$419 Roundtrip, found 8 hours ago
$419
Roundtrip
found 8 hours ago
Select United flight, departing Sun, Aug 30 from Buffalo to Missoula, returning Sat, Sep 5, priced at $419 found 8 hours ago
United
Sat, Aug 29 - Thu, Sep 3
BUF
Buffalo
MSO
Missoula
$422 Roundtrip, found 6 days ago
$422
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 29 from Buffalo to Missoula, returning Thu, Sep 3, priced at $422 found 6 days ago
United
Thu, Jun 4 - Fri, Jun 12
BUF
Buffalo
MSO
Missoula
$430 Roundtrip, found 6 days ago
$430
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jun 4 from Buffalo to Missoula, returning Fri, Jun 12, priced at $430 found 6 days ago
United
Wed, Jun 3 - Sat, Jun 6
BUF
Buffalo
MSO
Missoula
$433 Roundtrip, found 4 days ago
$433
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jun 3 from Buffalo to Missoula, returning Sat, Jun 6, priced at $433 found 4 days ago
Delta
Thu, Aug 20 - Sun, Aug 30
BUF
Buffalo
MSO
Missoula
$488 Roundtrip, found 8 hours ago
$488
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Aug 20 from Buffalo to Missoula, returning Sun, Aug 30, priced at $488 found 8 hours ago
Alaska Airlines
Fri, Apr 17 - Wed, Apr 22
BUF
Buffalo
MSO
Missoula
$623 Roundtrip, found 11 hours ago
$623
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Fri, Apr 17 from Buffalo to Missoula, returning Wed, Apr 22, priced at $623 found 11 hours 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 $489
MSO
Missoula Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $489

Find the cheapest month to fly from Buffalo (BUF) to Missoula (MSO)

September is typically the cheapest month to fly

From $288 - $852 per traveler.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) cost?
You can find cheap one-way flights from $261 and cheap return flights from $369 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) with Expedia. One-way flights typically cost between $299 and $844, and return flights often range between $456 and $1848. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The cheapest month to fly from BUF to MSO is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
Enter BUF to MSO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Buffalo (BUF) to Missoula (MSO), with round-trip tickets starting from around $288 with a layover in Ronald Reagan Washington National (DCA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The earliest flight from Buffalo Niagara International Airport (BUF) to Missoula International Airport (MSO) usually leaves at around 5:05 AM, operated by American Airlines. This seasonal service is available in July and August, helping you make the most of your travel day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The most popular departure times for flights from Buffalo (BUF) to Missoula (MSO) are in the early morning, from 6am to 9am. About 58% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing works well because it allows you to arrive in Missoula with plenty of time to explore the area.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
A flight from BUF to MSO with a layover takes around 9 hours 50 minutes, with the route covering approximately 1,736 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
Select the "Business class" and "First class" filters when looking for BUF to MSO flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Missoula from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Missoula from Buffalo Niagara Intl. (BUF), you can fly into Missoula Intl. (MSO) Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), Detroit Metropolitan Wayne County (DTW) before reaching Missoula. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) Missoula Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Missoula, MT (MSO-Missoula Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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 if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$368
Distance
1735 mi

Book with confidence

Buffalo to Missoula Flights

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

 

The best time to book a flight from Buffalo to Missoula

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Missoula in 2026. You can also book with separate airlines for your outbound and return journeys, from $261 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 Buffalo 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 Buffalo 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.

 

Buffalo to Missoula Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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