$278 Cheap Flights from Great Falls (GTF) to Buffalo (BUF)

View $278 flight on Wed, Apr 22, 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 $278 for one-way flights and $459 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 1 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
$459 Roundtrip, found 19 hours ago
$459
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 1 from Great Falls to Buffalo, returning Sat, Aug 22, priced at $459 found 19 hours ago
Delta
Sat, Aug 1 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
$519 Roundtrip, found 19 hours ago
$519
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 1 from Great Falls to Buffalo, returning Sat, Aug 22, priced at $519 found 19 hours ago
Delta
Sat, Aug 1 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
$548 Roundtrip, found 19 hours ago
$548
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 1 from Great Falls to Buffalo, returning Sat, Aug 22, priced at $548 found 19 hours ago
Delta
Sat, Aug 1 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
$549 Roundtrip, found 19 hours ago
$549
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 1 from Great Falls to Buffalo, returning Sat, Aug 22, priced at $549 found 19 hours ago
Delta
Sat, Aug 1 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
$558 Roundtrip, found 19 hours ago
$558
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 1 from Great Falls to Buffalo, returning Sat, Aug 22, priced at $558 found 19 hours ago
Delta
Sat, Aug 1 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
$609 Roundtrip, found 19 hours ago
$609
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 1 from Great Falls to Buffalo, returning Sat, Aug 22, priced at $609 found 19 hours ago
Delta
Sat, Aug 1 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
$629 Roundtrip, found 19 hours ago
$629
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 1 from Great Falls to Buffalo, returning Sat, Aug 22, priced at $629 found 19 hours ago
Delta
Sat, Aug 1 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
$652 Roundtrip, found 19 hours ago
$652
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 1 from Great Falls to Buffalo, returning Sat, Aug 22, priced at $652 found 19 hours ago
Alaska Airlines
Wed, Apr 15 - Tue, Apr 21
GTF
Great Falls
BUF
Buffalo
$664 Roundtrip, found 6 days ago
$664
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Apr 15 from Great Falls to Buffalo, returning Tue, Apr 21, priced at $664 found 6 days ago
United
Sun, Aug 2 - Wed, Aug 5
GTF
Great Falls
BUF
Buffalo
$736 Roundtrip, found 2 days ago
$736
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 2 from Great Falls to Buffalo, returning Wed, Aug 5, priced at $736 found 2 days ago

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Frequently asked questions

How much does a flight from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $278 and cheap return flights from $459 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights typically cost between $382 and $1044, and return flights often range between $513 and $1946. 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from GTF to BUF is August 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter GTF to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Great Falls (GTF-Great Falls Intl.) to Buffalo (BUF-Buffalo Niagara Intl.) typically departs at around 5:30 AM, operated by Delta. This is a seasonal service active in November, allowing you to maximize your time in Buffalo. 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Great Falls (GTF) to Buffalo (BUF) are in the early afternoon, from 12pm to 3pm. About 43% of passengers prefer this time window. Many major carriers, including United Airlines and Delta Airlines, offer flights during this window. This timing is convenient as it allows you to travel after lunch and arrive in Buffalo in the evening.
How long does it take to fly from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flights from GTF to BUF with one stop typically take around 6 hours 30 minutes, covering approximately 1,607 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class seats are offered on the GTF to BUF route with Delta Air Lines and United Airlines.
How do I earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Buffalo from Great Falls Intl. (GTF)?
From Great Falls Intl. (GTF), you can fly into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Denver Intl. (DEN), Minneapolis - St. Paul Intl. (MSP) before reaching Buffalo. 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo 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 Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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
Great Falls Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$458
Distance
1606 mi

Book with confidence

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 August. 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 $278 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.

 

Great Falls to Buffalo Flights

*Flight schedules are subject to change.

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*Available to One Key members.