A large waterfall cascading down a cliff, surrounded by dense forest and rocky terrain.

CA $638 Cheap Flights from Great Falls (GTF) to Buffalo (BUF)

View CA $638 flight on Sat, Aug 15, 2026Opens in a new window

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

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Cheap flights from Great Falls (GTF) to Buffalo (BUF)

Prices were available within the past 7 days and start at CA $638 for one-way flights and CA $687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 14 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
CA $687 Roundtrip, found 4 days ago
CA $687
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 14 from Great Falls to Buffalo, returning Sat, Aug 22, priced at CA $687 found 4 days ago
United
Wed, Aug 12 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
CA $751 Roundtrip, found 4 days ago
CA $751
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 12 from Great Falls to Buffalo, returning Sat, Aug 22, priced at CA $751 found 4 days ago
United
Fri, Aug 14 - Tue, Aug 18
GTF
Great Falls
BUF
Buffalo
CA $800 Roundtrip, found 4 days ago
CA $800
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 14 from Great Falls to Buffalo, returning Tue, Aug 18, priced at CA $800 found 4 days ago
Delta
Tue, Aug 18 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
CA $827 Roundtrip, found 4 days ago
CA $827
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 18 from Great Falls to Buffalo, returning Sat, Aug 22, priced at CA $827 found 4 days ago
United
Sat, Aug 15 - Fri, Aug 21
GTF
Great Falls
BUF
Buffalo
CA $844 Roundtrip, found 4 days ago
CA $844
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 15 from Great Falls to Buffalo, returning Fri, Aug 21, priced at CA $844 found 4 days ago
United
Sat, Aug 15 - Fri, Aug 21
GTF
Great Falls
BUF
Buffalo
CA $852 Roundtrip, found 4 days ago
CA $852
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 15 from Great Falls to Buffalo, returning Fri, Aug 21, priced at CA $852 found 4 days ago
United
Wed, Aug 12 - Tue, Aug 18
GTF
Great Falls
BUF
Buffalo
CA $864 Roundtrip, found 4 days ago
CA $864
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 12 from Great Falls to Buffalo, returning Tue, Aug 18, priced at CA $864 found 4 days ago
United
Mon, Aug 17 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
CA $878 Roundtrip, found 4 days ago
CA $878
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 17 from Great Falls to Buffalo, returning Sat, Aug 22, priced at CA $878 found 4 days ago
United
Sat, Aug 15 - Fri, Aug 21
GTF
Great Falls
BUF
Buffalo
CA $880 Roundtrip, found 4 days ago
CA $880
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 15 from Great Falls to Buffalo, returning Fri, Aug 21, priced at CA $880 found 4 days ago
United
Sun, Aug 16 - Sat, Aug 22
GTF
Great Falls
BUF
Buffalo
CA $911 Roundtrip, found 4 days ago
CA $911
Roundtrip
found 4 days ago
Select United flight, departing Sun, Aug 16 from Great Falls to Buffalo, returning Sat, Aug 22, priced at CA $911 found 4 days ago

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city centre is 16 minutes. Flights from CA $687
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city centre16 min
Flights from CA $687

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 one-way and return flights from GTF to BUF with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when GTF to BUF ticket fares go up or down.
What is the cheapest month to fly from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest months to fly from GTF to BUF are typically during off-peak season 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 are 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.
What is the cheapest airline that flies from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
United is one of the cheapest airlines offering connecting return flights from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), with prices starting from around CA$1067 for flights that can be booked for departure within the next year. These flights typically include a layover in Denver Intl. (DEN). 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.
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.
How many flights per day from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 5 connecting flights per day from Great Falls Intl. (GTF) to Buffalo Niagara Intl. (BUF). Some common connection points include Salt Lake City Intl. (SLC), Denver Intl. (DEN), and Seattle - Tacoma Intl. (SEA).
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, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) typically departs around 5:30 AM. This route is operated by Delta. This is a seasonal service, active in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll typically find the most flights from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) on a Monday, with around 5 flights available. This gives you several flight options to choose from. Major airlines on this route include Delta and United.
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 Intl. (GTF) to Buffalo Niagara Intl. (BUF) are typically between 12pm and 3pm. Many major carriers, including United and Delta, offer flights during this window. Many travellers prefer this time as it allows for a morning start and an afternoon arrival, giving you time to settle in at your destination.
How long does it take to fly from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are no nonstop flights from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.). The shortest flights typically involve one stop and take around 6 hours 18 minutes. Flights with two or more stops usually take longer, averaging about 13 hours 8 minutes. The distance between these two airports is approximately 2,586 kilometres. Keep in mind that actual travel times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Great Falls, MT (GTF-Great Falls Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You can fly first class between GTF and BUF. First class cabins are available on Delta.
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, NY (BUF) from Great Falls, MT (GTF)?
If you're planning to travel to Buffalo from Great Falls Intl. (GTF), you can fly directly into Buffalo Niagara Intl. (BUF). Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Denver Intl. (DEN), or 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.) flight and hotel package 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.
Roundtrip price
CA $687
Distance
2570 km

Book with confidence

Great Falls to Buffalo Flights

The easy way to book your flights from Great Falls to Buffalo 

With Expedia, it’s simple to find and book flights to Buffalo from Great Falls whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Buffalo Niagara Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Great Falls to Buffalo today, tomorrow, or this week.  

 

Save dollars with cheap flights from Great Falls Intl., GTF to Buffalo Niagara Intl., BUF 

Sort your search results by price to find great deals on your flight from Great Falls to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from Great Falls currently is just CA $687 rising to CA $911.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buffalo  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Buffalo from Great Falls 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buffalo with Expedia today.

Great Falls to Buffalo Flights

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