$282+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — BUF
Sep 25 — Oct 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 August 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 August 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/222:12 pm -
1 stop7h 47m
Mon 10/268:00 am -
1 stop7h 27m
Deal found 8/25![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/222:12 pm -
1 stop7h 47m
Wed 10/286:38 pm -
2 stops20h 49m
Deal found 8/25![American Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:36 pm -
1 stop5h 57m
Sat 10/318:50 am -
1 stop6h 44m
Deal found 8/25![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 8/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:13 pm -
2 stops14h 25m
Wed 10/287:00 am -
2 stops12h 33m
Deal found 8/24![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/82:31 pm -
1 stop6h 06m
Sat 9/1210:27 am -
2 stops12h 54m
Deal found 8/24![United Airlines logo]()
$526
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 August 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 August 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:12 pm -
1 stop7h 47m
Wed 10/286:38 pm -
2 stops20h 49m
Deal found 8/21![American Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:36 pm -
1 stop5h 57m
Sat 10/318:50 am -
1 stop6h 44m
Deal found 8/22![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:13 pm -
2 stops14h 25m
Wed 10/287:00 am -
2 stops12h 33m
Deal found 8/23![Delta logo]()
$479
Last-minute flights from Kalispell to BuffaloDiscover last-minute flight deals from Kalispell to Buffalo. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Buffalo. Data last updated August 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/82:31 pm -
1 stop6h 06m
Sat 9/1210:27 am -
2 stops12h 54m
Deal found 8/24![United Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 8/22. 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.
Tue 9/84:50 pm -
1 stop16h 58m
Wed 9/1612:09 pm -
1 stop26h 35m
Deal found 8/22![American Airlines logo]()
$1,654
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 August 26, 2026.
Search for one-way flight options from Kalispell to Buffalo. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/41:32 pm -
1 stop8h 30m
Deal found 8/25![American Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 8/25. 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.
Fri 9/412:02 pm -
2 stops10h 38m
Deal found 8/25![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:31 pm -
1 stop6h 06m
Deal found 8/22![United Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 9/412:33 pm -
1 stop6h 34m
Deal found 8/21![United Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sun 9/2712:26 pm -
1 stop6h 21m
Deal found 8/26![United Airlines logo]()
$500
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 9/273:26 pm -
2 stops18h 13m
Deal found 8/25![American Airlines logo]()
$607
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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $282 (American Airlines) |
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 7,457,451 searches. Data last updated August 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
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Thu 10/22
2:12 pm-11:59 pm
1 stop7h 47m
Buffalo
Wed 10/28
6:38 pm-1:27 pm
2 stops20h 49m
$457
Quickest round-trip
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Tue 10/27
2:36 pm-10:33 pm
1 stop5h 57m
Buffalo
Sat 10/31
8:50 am-1:34 pm
1 stop6h 44m
$459
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Thu 10/22
6:13 pm-10:38 am
2 stops14h 25m
Buffalo
Wed 10/28
7:00 am-5:33 pm
2 stops12h 33m
$479
Cheapest one-way
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Fri 9/4
1:32 pm-12:02 am
1 stop8h 30m
$282
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Fri 9/4
12:02 pm-12:40 am
2 stops10h 38m
$287
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Fri 9/4
12:33 pm-9:07 pm
1 stop6h 34m
$332
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Sat 9/5
10:45 am-11:44 pm
2 stops10h 59m
$335
Quickest one-way
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Sun 9/27
12:26 pm-8:47 pm
1 stop6h 21m
$500
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 August.
| 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 August 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.
Entertainment
7.1
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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
Williamsville
Orchard Park
Eden
Bowmansville
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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 August 26, 2026.
Complete your trip
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Kalispell and Buffalo flights
Browse other Kalispell and Buffalo flight options. Last updated on August 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 August 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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$374 | Average$509 | FlexibilityNo cancel fee | On-time69% |