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

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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — BUF
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap flight deals from Kalispell to Buffalo

Cheapest flights from Kalispell to Buffalo
Explore the most affordable flight options available from Kalispell to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:33 pm
FCA
-
BUF
1 stop6h 37m
United Airlines
Sun 4/198:30 am
BUF
-
FCA
1 stop7h 01m
United Airlines
Deal found 3/31$359
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
FCA
-
BUF
2 stops12h 49m
United Airlines
Sun 4/198:30 am
BUF
-
FCA
1 stop7h 01m
United Airlines
Deal found 3/31$468
This Delta deal was found by Cheapflights users on 3/31. 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 4/185:05 am
FCA
-
BUF
2 stops11h 46m
Delta
Sun 4/1912:50 pm
BUF
-
FCA
2 stops12h 37m
Delta
Deal found 3/31$489
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
FCA
-
BUF
2 stops9h 16m
United Airlines
Sun 4/198:30 am
BUF
-
FCA
1 stop7h 01m
United Airlines
Deal found 3/31$512
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 4/176:10 pm
FCA
-
BUF
2 stops14h 51m
Delta
Sun 4/1912:50 pm
BUF
-
FCA
2 stops12h 37m
Delta
Deal found 3/31$519
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/312:41 pm
FCA
-
BUF
1 stop6h 02m
United Airlines
Mon 4/68:30 am
BUF
-
FCA
1 stop7h 01m
United Airlines
Deal found 3/31$533
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/32:33 pm
FCA
-
BUF
1 stop6h 37m
United Airlines
Sun 4/510:45 am
BUF
-
FCA
2 stops12h 42m
United Airlines
Deal found 3/31$538
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 4/35:09 am
FCA
-
BUF
2 stops11h 44m
Delta
Sun 4/56:00 am
BUF
-
FCA
2 stops13h 15m
Delta
Deal found 3/31$544
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:33 am
FCA
-
BUF
2 stops14h 37m
Alaska Airlines
Sat 10/3111:46 am
BUF
-
FCA
2 stops14h 13m
Alaska Airlines
Deal found 3/29$569
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/182:33 pm
FCA
-
BUF
1 stop6h 37m
United Airlines
Wed 4/228:30 am
BUF
-
FCA
1 stop7h 01m
United Airlines
Deal found 3/30$570
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 4/156:10 pm
FCA
-
BUF
2 stops14h 51m
Delta
Sun 4/1912:50 pm
BUF
-
FCA
2 stops12h 37m
Delta
Deal found 3/31$574

Find flight deals from Kalispell to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Buffalo (BUF). 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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(United Airlines)
Provider with most accurate pricing for Kalispell Glacier Park-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-Buffalo flights.
Search Deals
From Kalispell Glacier Park to Buffalo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Buffalo 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 April 1, 2026.
Use the filters below to find and compare flights from Kalispell to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KalispellBuffalo

FCA - BUF

FCABUF

Kalispell Glacier Park

Fri 4/17

2:33 pm-11:10 pm

1 stop6h 37m

Buffalo

Sun 4/19

8:30 am-1:31 pm

1 stop7h 01m

$359

KalispellBuffalo

FCA - BUF

FCABUF

Kalispell Glacier Park

Sat 4/18

5:05 am-6:51 pm

2 stops11h 46m

Buffalo

Sun 4/19

12:50 pm-11:27 pm

2 stops12h 37m

$489

KalispellBuffalo

FCA - BUF

FCABUF

Kalispell Glacier Park

Wed 4/15

6:00 am-5:16 pm

2 stops9h 16m

Buffalo

Sun 4/19

8:30 am-1:31 pm

1 stop7h 01m

$512

KalispellBuffalo

FCA - BUF

FCABUF

Kalispell Glacier Park

Sat 4/18

2:33 pm-11:10 pm

1 stop6h 37m

Buffalo

Wed 4/22

8:30 am-1:31 pm

1 stop7h 01m

$570

KalispellBuffalo

FCA - BUF

FCABUF

Kalispell Glacier Park

Wed 4/15

6:10 pm-11:01 am

2 stops14h 51m

Buffalo

Sun 4/19

12:50 pm-11:27 pm

2 stops12h 37m

$574

KalispellBuffalo

FCA - BUF

FCABUF

Kalispell Glacier Park

Sat 7/11

11:47 am-12:07 am

2 stops10h 20m

Buffalo

Tue 7/14

7:40 pm-12:35 pm

2 stops66h 55m

$1,497

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Sorted by cheapest first

Compare providers for flights from Kalispell to Buffalo

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 Kalispell to Buffalo in April.
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 Kalispell-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-Buffalo 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 Kalispell-Buffalo 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 Kalispell to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Kalispell 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.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated April 1, 2026.
See what other customers who have flown with United Airlines from Kalispell to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,529 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,529 reviews
United Airlines
7.4
Good
9,529 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Buffalo. 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 Kalispell to Buffalo?

    United Airlines and Delta can get you from Kalispell to Buffalo in just under 6h 37m. Your travel time can differ by up to 5h 09m. There are 1738 mi between Kalispell and Buffalo. This flight may include one or multiple stops.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Kalispell to Buffalo

Discover the top airline that operate flights from Kalispell to Buffalo. 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$192Average$553FlexibilityNo cancel feeOn-time69%

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