$239+ Cheap flights from Kalispell to Buffalo (FCA - BUF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — BUF
Jul 26 — Aug 21
Round-trip
1 adult, Economy
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Find cheap flights from Kalispell to Buffalo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kalispell to Buffalo
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Best
Last-minute
One-way
Cheapest flights from Kalispell to BuffaloExplore 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 June 26, 2026.
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 June 26, 2026.
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Thu 10/221:24 pm
FCA
- BUF
1 stop7h 46m
American Airlines
Wed 10/286:26 am
BUF
- FCA
1 stop8h 02m
American Airlines
Deal found 6/24![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Thu 10/221:24 pm
FCA
- BUF
1 stop7h 46m
American Airlines
Mon 10/266:23 pm
BUF
- FCA
2 stops20h 05m
American Airlines
Deal found 6/24![American Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 6/21. 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 12/26:31 am
FCA
- BUF
2 stops14h 06m
United Airlines
Sat 12/510:20 am
BUF
- FCA
2 stops13h 10m
United Airlines
Deal found 6/21![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 6/24. 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 12/56:31 am
FCA
- BUF
2 stops14h 06m
United Airlines
Tue 12/810:20 am
BUF
- FCA
2 stops13h 10m
United Airlines
Deal found 6/24![United Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 6/25. 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 10/221:29 pm
FCA
- BUF
2 stops8h 30m
Delta
Wed 10/289:00 am
BUF
- FCA
2 stops10h 45m
Delta
Deal found 6/25![Delta logo]()
$612
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 10/226:05 am
FCA
- BUF
2 stops12h 42m
United Airlines
Wed 10/2810:30 am
BUF
- FCA
2 stops13h 12m
United Airlines
Deal found 6/23![United Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Fri 7/104:49 pm
FCA
- BUF
1 stop14h 48m
American Airlines
Sat 7/114:46 pm
BUF
- FCA
1 stop20h 57m
American Airlines
Deal found 6/24![American Airlines logo]()
$1,433
Best flights from Kalispell to BuffaloDiscover carefully curated flight deals from Kalispell to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
Discover carefully curated flight deals from Kalispell to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 10/221:24 pm
FCA
- BUF
1 stop7h 46m
American Airlines
Mon 10/266:26 am
BUF
- FCA
1 stop8h 02m
American Airlines
Deal found 6/23![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/21. 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 12/26:31 am
FCA
- BUF
2 stops14h 06m
United Airlines
Sat 12/510:20 am
BUF
- FCA
2 stops13h 10m
United Airlines
Deal found 6/21![United Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 10/221:24 pm
FCA
- BUF
1 stop7h 46m
American Airlines
Wed 10/286:26 am
BUF
- FCA
1 stop8h 02m
American Airlines
Deal found 6/25![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/24. 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 12/56:31 am
FCA
- BUF
2 stops14h 06m
United Airlines
Tue 12/810:20 am
BUF
- FCA
2 stops13h 10m
United Airlines
Deal found 6/24![United Airlines logo]()
$552
Last-minute flights from Kalispell to BuffaloDiscover last-minute flight deals from Kalispell to Buffalo. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Buffalo. Data last updated June 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Fri 7/104:49 pm
FCA
- BUF
1 stop14h 48m
American Airlines
Sat 7/114:46 pm
BUF
- FCA
1 stop20h 57m
American Airlines
Deal found 6/24![American Airlines logo]()
$1,433
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/104:11 pm
FCA
- BUF
2 stops15h 46m
United Airlines
Sat 7/111:54 pm
BUF
- FCA
2 stops9h 53m
United Airlines
Deal found 6/24![United Airlines logo]()
$2,149
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Sat 7/115:10 pm
FCA
- BUF
1 stop14h 27m
American Airlines
Tue 7/147:35 pm
BUF
- FCA
2 stops66h 08m
American Airlines
Deal found 6/24![American Airlines logo]()
$2,648
One-way flights from Kalispell to BuffaloSearch for one-way flight options from Kalispell to Buffalo. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
Search for one-way flight options from Kalispell to Buffalo. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:30 am
FCA
- BUF
2 stops23h 03m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:50 am
FCA
- BUF
3 stops45h 39m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:25 am
FCA
- BUF
1 stop22h 53m
Sun Country Air
Deal found 6/22![Sun Country Air logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:25 am
FCA
- BUF
3 stops49h 28m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Wed 8/124:50 pm
FCA
- BUF
1 stop14h 49m
American Airlines
Deal found 6/25![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 8/144:50 pm
FCA
- BUF
1 stop14h 49m
American Airlines
Deal found 6/22![American Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 8/134:50 pm
FCA
- BUF
1 stop14h 49m
American Airlines
Deal found 6/23![American Airlines logo]()
$363
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 June 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (American Airlines) |
One-way from | $239 (Kiwi.com) |
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 June 26, 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
Cheapest round-trip
Quickest round-trip
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Thu 10/22
1:24 pm-11:10 pm
1 stop7h 46m
Buffalo
Mon 10/26
6:26 am-12:28 pm
1 stop8h 02m
$369
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Thu 10/22
1:24 pm-11:10 pm
1 stop7h 46m
Buffalo
Wed 10/28
6:26 am-12:28 pm
1 stop8h 02m
$369
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Wed 12/2
6:31 am-10:37 pm
2 stops14h 06m
Buffalo
Sat 12/5
10:20 am-9:30 pm
2 stops13h 10m
$479
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Sat 12/5
6:31 am-10:37 pm
2 stops14h 06m
Buffalo
Tue 12/8
10:20 am-9:30 pm
2 stops13h 10m
$552
Cheapest one-way
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Fri 8/14
10:30 am-11:33 am
2 stops23h 03m
$239
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Sat 8/15
10:25 am-11:18 am
1 stop22h 53m
$278
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Wed 8/12
4:50 pm-9:39 am
1 stop14h 49m
$330
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Thu 8/13
4:50 pm-9:39 am
1 stop14h 49m
$363
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Sun 8/23
4:50 pm-5:04 pm
1 stop22h 14m
$406
Quickest one-way
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Fri 7/17
4:49 pm-9:37 am
1 stop14h 48m
$499
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
FCA-BUF
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 June 26, 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.
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
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.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Amherst
Batavia
Williamsville
Orchard Park
Eden
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Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 26, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Kalispell to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kalispell and Buffalo flights
Browse other Kalispell and Buffalo flight options. Last updated on June 26, 2026.
Other flights from Kalispell
Browse through other flights departing from Kalispell. Flights are based on user searches made on Cheapflights and were last updated on June 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$553 | FlexibilityNo cancel fee | On-time69% |