$231 Cheap Flights from Kalispell (FCA) to Buffalo (BUF)

View $231 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Kalispell to Buffalo (FCA-BUF)

Prices were available within the past 7 days and start at $231 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 21 - Thu, Oct 30
FCA
Kalispell
BUF
Buffalo
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 21 from Kalispell to Buffalo, returning Thu, Oct 30, priced at $289 found 3 days ago
United
Tue, Oct 21 - Thu, Oct 30
FCA
Kalispell
BUF
Buffalo
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 21 from Kalispell to Buffalo, returning Thu, Oct 30, priced at $289 found 3 days ago
United
Tue, Oct 21 - Thu, Oct 30
FCA
Kalispell
BUF
Buffalo
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 21 from Kalispell to Buffalo, returning Thu, Oct 30, priced at $294 found 3 days ago
Delta
Sat, Oct 18 - Wed, Oct 22
FCA
Kalispell
BUF
Buffalo
$299 Roundtrip, found 1 hour ago
$299
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Oct 18 from Kalispell to Buffalo, returning Wed, Oct 22, priced at $299 found 1 hour ago
United
Tue, Oct 21 - Thu, Oct 30
FCA
Kalispell
BUF
Buffalo
$311 Roundtrip, found 3 days ago
$311
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 21 from Kalispell to Buffalo, returning Thu, Oct 30, priced at $311 found 3 days ago
United
Tue, Oct 21 - Fri, Oct 31
FCA
Kalispell
BUF
Buffalo
$313 Roundtrip, found 3 days ago
$313
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 21 from Kalispell to Buffalo, returning Fri, Oct 31, priced at $313 found 3 days ago
United
Tue, Oct 21 - Thu, Oct 30
FCA
Kalispell
BUF
Buffalo
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 21 from Kalispell to Buffalo, returning Thu, Oct 30, priced at $314 found 3 days ago
United
Tue, Oct 21 - Thu, Oct 30
FCA
Kalispell
BUF
Buffalo
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 21 from Kalispell to Buffalo, returning Thu, Oct 30, priced at $316 found 3 days ago
United
Tue, Oct 21 - Fri, Oct 31
FCA
Kalispell
BUF
Buffalo
$319 Roundtrip, found 3 days ago
$319
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 21 from Kalispell to Buffalo, returning Fri, Oct 31, priced at $319 found 3 days ago
Alaska Airlines
Tue, Sep 23 - Tue, Sep 30
FCA
Kalispell
BUF
Buffalo
$578 Roundtrip, found 18 hours ago
$578
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Kalispell to Buffalo, returning Tue, Sep 30, priced at $578 found 18 hours 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 center is 16 minutes. Flights from $575
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $575
Flights from Kalispell (FCA) to Buffalo (BUF)
Origin airport
Glacier Park Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$288
Distance
1739 mi

Kalispell to Buffalo Flights

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

 

The best time to book a flight from Kalispell to Buffalo

Sunday is one of the best days to book for cheap flights from Kalispell 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 Kalispell 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 Kalispell to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $231 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 Kalispell 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 Kalispell 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 Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF) cost?
Secure a cheap one-way flight from $231 or cheap return flight from $289 from Glacier Park Intl. Airport (FCA) 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 Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF)?
The cheapest month to fly from FCA to BUF is October, when there's less demand. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest FCA to BUF flight.
How many flights per day from Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF)?
You'll have to hop on a flight with a layover when traveling from Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from FCA to BUF?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, 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 Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF)?
To touch down at Buffalo Niagara Intl. Airport (BUF) without delays, opt for a flight that takes off from Glacier Park Intl. Airport (FCA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Holding off until just before your departure to book your flight from FCA to BUF generally means paying more. While you may find some last-minute deals, they're not always guaranteed. Keep your travel schedule open to boost your chances of snagging a bargain.
Is it cheaper to book a FCA to BUF flight and hotel package?
Compared with arranging hotels and flights separately, booking a FCA to BUF flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF)?
Typically, it's possible to reschedule or cancel your FCA to BUF flight. However, if it's been more than 24 hours since booking, additional fees 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 more details on our Customer Service portal.

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*Available to One Key members.