$337 Cheap Flights from Great Falls (GTF) to Buffalo (BUF)

View $337 flight on Fri, Feb 13, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo Niagara Intl. Airport (BUF)

Cheap Flights from Great Falls to Buffalo (GTF-BUF)

Prices were available within the past 7 days and start at $337 for one-way flights and $387 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Feb 13 - Tue, Mar 10
GTF
Great Falls
BUF
Buffalo
$387 Roundtrip, found 4 days ago
$387
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 13 from Great Falls to Buffalo, returning Tue, Mar 10, priced at $387 found 4 days ago
United
Fri, Feb 13 - Tue, Mar 10
GTF
Great Falls
BUF
Buffalo
$393 Roundtrip, found 4 days ago
$393
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 13 from Great Falls to Buffalo, returning Tue, Mar 10, priced at $393 found 4 days ago
United
Fri, Feb 13 - Tue, Mar 10
GTF
Great Falls
BUF
Buffalo
$439 Roundtrip, found 4 days ago
$439
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 13 from Great Falls to Buffalo, returning Tue, Mar 10, priced at $439 found 4 days ago
Delta
Sun, Aug 2 - Thu, Aug 6
GTF
Great Falls
BUF
Buffalo
$759 Roundtrip, found 3 days ago
$759
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 2 from Great Falls to Buffalo, returning Thu, Aug 6, priced at $759 found 3 days ago
Delta
Sun, Aug 2 - Thu, Aug 6
GTF
Great Falls
BUF
Buffalo
$818 Roundtrip, found 3 days ago
$818
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 2 from Great Falls to Buffalo, returning Thu, Aug 6, priced at $818 found 3 days ago
Delta
Sun, Aug 2 - Thu, Aug 6
GTF
Great Falls
BUF
Buffalo
$877 Roundtrip, found 3 days ago
$877
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 2 from Great Falls to Buffalo, returning Thu, Aug 6, priced at $877 found 3 days ago
Delta
Sun, Aug 2 - Thu, Aug 6
GTF
Great Falls
BUF
Buffalo
$887 Roundtrip, found 3 days ago
$887
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 2 from Great Falls to Buffalo, returning Thu, Aug 6, priced at $887 found 3 days ago
United
Sun, Aug 2 - Thu, Aug 6
GTF
Great Falls
BUF
Buffalo
$910 Roundtrip, found 3 days ago
$910
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 2 from Great Falls to Buffalo, returning Thu, Aug 6, priced at $910 found 3 days ago
United
Sun, Aug 2 - Thu, Aug 6
GTF
Great Falls
BUF
Buffalo
$913 Roundtrip, found 3 days ago
$913
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 2 from Great Falls to Buffalo, returning Thu, Aug 6, priced at $913 found 3 days ago
Alaska Airlines
Sun, Aug 2 - Thu, Aug 6
GTF
Great Falls
BUF
Buffalo
$1,280 Roundtrip, found 3 days ago
$1,280
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Aug 2 from Great Falls to Buffalo, returning Thu, Aug 6, priced at $1,280 found 3 days ago
Flights from Great Falls (GTF) to Buffalo (BUF)
Origin airport
Great Falls Intl.
Destination airport
Buffalo Niagara Intl.
Roundtrip price
$387
Distance
1606 mi

Great Falls to Buffalo Flights

The cheapest times to fly from Great Falls to Buffalo

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 Great Falls to Buffalo are during the month of February. You can find some of the cheapest flights from Great Falls to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to Buffalo

Sunday is one of the best days to book for cheap flights from Great Falls to Buffalo: 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 Great Falls to Buffalo

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 Great Falls to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $337 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 Great Falls to Buffalo 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 Great Falls to Buffalo 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 Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF) cost?
Get a cheap one-way flight from $337 or cheap return flight from $387 from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF)?
The cheapest month to fly from GTF to BUF is February, when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline flying from GTF to BUF, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF)?
Direct flights from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GTF to BUF?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF)?
Opt for a flight from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF) that takes off before 3 PM to reduce the likelihood of delays. Later departures 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.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Waiting until right before your break to book a ticket from GTF to BUF often results in higher prices. Although you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book a GTF to BUF flight and hotel package?
You'll generally save money by booking a GTF to BUF 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 it all in one place. After choosing your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Buffalo Niagara Intl. Airport (BUF)?
If you booked your GTF to BUF 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 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, head to our Customer Service portal if you want more information.

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*Available to One Key members.