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Kalispell

$359+ Cheap flights from Buffalo to Kalispell (BUF - FCA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — FCA
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap flight deals from Buffalo to Kalispell

Cheapest flights from Buffalo to Kalispell
Explore the most affordable flight options available from Buffalo to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am
BUF
-
FCA
1 stop9h 33m
American Airlines
Sat 10/31:02 pm
FCA
-
BUF
1 stop7h 57m
American Airlines
Deal found 7/27$359
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:25 pm
BUF
-
FCA
1 stop6h 18m
Delta
Sat 10/36:35 am
FCA
-
BUF
1 stop7h 20m
Delta
Deal found 7/27$389
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:25 pm
BUF
-
FCA
1 stop6h 18m
Delta
Sat 10/36:35 am
FCA
-
BUF
1 stop7h 20m
Delta
Deal found 7/27$419
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:02 pm
BUF
-
FCA
2 stops10h 16m
Delta
Sat 10/36:35 am
FCA
-
BUF
1 stop7h 20m
Delta
Deal found 7/27$424
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:11 am
BUF
-
FCA
1 stop9h 31m
American Airlines
Fri 9/41:32 pm
FCA
-
BUF
1 stop8h 30m
American Airlines
Deal found 7/27$445

Find flight deals from Buffalo to Kalispell

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Kalispell (FCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(American Airlines)

Popular in

February

Cheapest in

November

Average price

$947
Provider with most accurate pricing for Buffalo-Kalispell Glacier Park flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Kalispell Glacier Park flights.
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From Buffalo to Kalispell Glacier Park
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Kalispell that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Buffalo to Kalispell that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloKalispell

BUF - FCA

BUFFCA

Buffalo

Sun 8/30

5:11 am-12:42 pm

1 stop9h 31m

Kalispell Glacier Park

Fri 9/4

1:32 pm-12:02 am

1 stop8h 30m

$445

BuffaloKalispell

BUF - FCA

BUFFCA

Buffalo

Tue 9/29

8:45 am-1:28 pm

1 stop6h 43m

Kalispell Glacier Park

Sun 10/4

2:30 pm-10:43 pm

1 stop6h 13m

$539

BuffaloKalispell

BUF - FCA

BUFFCA

Buffalo

Wed 9/30

10:10 am-9:36 pm

2 stops13h 26m

Kalispell Glacier Park

Sun 10/4

2:30 pm-10:43 pm

1 stop6h 13m

$544
Quickest round-trip

BuffaloKalispell

BUF - FCA

BUFFCA

Buffalo

Mon 9/28

7:00 am-11:28 am

1 stop6h 28m

Kalispell Glacier Park

Sun 10/4

2:30 pm-10:43 pm

1 stop6h 13m

$579

BuffaloKalispell

BUF - FCA

BUFFCA

Buffalo

Fri 9/25

7:00 am-11:28 am

1 stop6h 28m

Kalispell Glacier Park

Tue 10/6

12:26 pm-8:47 pm

1 stop6h 21m

$579

BuffaloKalispell

BUF - FCA

BUFFCA

Buffalo

Mon 9/28

7:00 am-11:28 am

1 stop6h 28m

Kalispell Glacier Park

Tue 10/6

12:26 pm-8:47 pm

1 stop6h 21m

$579

BuffaloKalispell

BUF - FCA

BUFFCA

Buffalo

Sat 8/8

10:02 pm-9:40 am

2 stops37h 38m

Kalispell Glacier Park

Wed 8/12

10:18 am-11:03 am

1 stop22h 45m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Sorted by cheapest first

Compare providers for flights from Buffalo to Kalispell

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Kalispell in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Kalispell flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Kalispell flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Kalispell flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Kalispell flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Kalispell flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Kalispell

Have a flexible travel schedule? Discover the best time to fly to Kalispell from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Kalispell

What is the cheapest month to book a flight from Buffalo to Kalispell?

Currently, November is the cheapest month in which you can book a flight from Buffalo to Kalispell (average of $291). Flying from Buffalo to Kalispell in February is currently the most expensive (average of $960). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Buffalo to Kalispell?

Airfare is below average for this route at the moment.

Buffalo to Kalispell flights typically cost between $469 and $714 in September.
The cheapest round-trip price found within the last 5 days was $359 on American Airlines (Sep 27-Oct 3).

Reviews of airlines servicing Kalispell

Get insights into the airlines that provide service to Kalispell. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kalispell. Reviews last updated July 29, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Buffalo to Kalispell to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,052 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,052 reviews
United Airlines
7.4
Good
10,052 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,839 reviews
United Airlines
7.4
Good
10,052 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Kalispell. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Kalispell?

    For as low as $445, American Airlines can have you in Kalispell from Buffalo in 9h 31m. The distance between Buffalo and Kalispell is about 1738 mi.

  • What are the cheapest airlines flying from Buffalo to Kalispell round-trip?

    United Airlines, at $329, was found to be the cheapest airline from Buffalo to Kalispell. An alternate airline flying to your destination would be American Airlines. United Airlines is priced at 43% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Buffalo to Kalispell that include hotel bookings?

    Yes. In addition to deals on Buffalo to Kalispell flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Kalispell?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Kalispell.

  • Can I find deals for business class flights from Buffalo to Kalispell?

    Yes. Cheapflights offers flight deals from Buffalo to Kalispell by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Kalispell?

    Currently, November is the cheapest month in which you can book a flight from Buffalo to Kalispell (average of $291). Flying from Buffalo to Kalispell in February is currently the most expensive (average of $960). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
Columbia Falls
East Glacier Park

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Top 2 airlines flying from Buffalo to Kalispell

Discover the top 2 airlines that operate flights from Buffalo to Kalispell. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$329Average$500FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$358Average$500FlexibilityNo cancel feeOn-time71%

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