$210+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — BUF
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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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
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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 May 10, 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 May 10, 2026.
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/2112:35 pm
FCA
- BUF
1 stop6h 28m
United Airlines
Mon 5/257:00 am
BUF
- FCA
1 stop6h 29m
United Airlines
Deal found 5/6![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 5/5. 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 8/2612:32 pm
FCA
- BUF
1 stop6h 36m
United Airlines
Tue 9/110:54 am
BUF
- FCA
1 stop6h 33m
United Airlines
Deal found 5/5![United Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 5/5. 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 8/2612:35 pm
FCA
- BUF
1 stop8h 26m
American Airlines
Tue 9/16:14 am
BUF
- FCA
2 stops10h 17m
American Airlines
Deal found 5/5![American Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 5/7. 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 5/2212:35 pm
FCA
- BUF
1 stop6h 28m
United Airlines
Tue 5/2610:34 am
BUF
- FCA
2 stops13h 13m
United Airlines
Deal found 5/7![United Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 5/10. 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 5/1212:15 pm
FCA
- BUF
2 stops10h 04m
Delta
Wed 5/206:15 am
BUF
- FCA
2 stops13h 12m
Delta
Deal found 5/10![Delta logo]()
$606
This American Airlines deal was found by Cheapflights users on 5/5. 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 6/214:48 pm
FCA
- BUF
1 stop14h 41m
American Airlines
Fri 6/266:00 am
BUF
- FCA
1 stop8h 45m
American Airlines
Deal found 5/5![American Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/122:33 pm
FCA
- BUF
1 stop6h 32m
United Airlines
Wed 5/2011:02 am
BUF
- FCA
2 stops12h 55m
United Airlines
Deal found 5/10![United Airlines logo]()
$858
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 May 10, 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 May 10, 2026.
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/2112:35 pm
FCA
- BUF
1 stop6h 28m
United Airlines
Mon 5/257:00 am
BUF
- FCA
1 stop6h 29m
United Airlines
Deal found 5/6![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 5/5. 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 8/2612:35 pm
FCA
- BUF
1 stop8h 26m
American Airlines
Tue 9/16:14 am
BUF
- FCA
2 stops10h 17m
American Airlines
Deal found 5/5![American Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 5/7. 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 5/2212:35 pm
FCA
- BUF
2 stops9h 24m
United Airlines
Tue 5/2610:34 am
BUF
- FCA
2 stops13h 13m
United Airlines
Deal found 5/7![United Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 5/5. 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 6/214:48 pm
FCA
- BUF
1 stop14h 41m
American Airlines
Fri 6/266:00 am
BUF
- FCA
1 stop8h 45m
American Airlines
Deal found 5/5![American Airlines logo]()
$779
This deal was found by Cheapflights users on 5/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/212:33 pm
FCA
- BUF
1 stop6h 25m
United Airlines
Fri 6/267:00 am
BUF
- FCA
1 stop6h 29m
United Airlines
Deal found 5/5![United Airlines logo]()
$1,081
This American Airlines deal was found by Cheapflights users on 5/10. 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
2 stops16h 52m
American Airlines
Tue 7/147:34 pm
BUF
- FCA
2 stops66h 10m
American Airlines
Deal found 5/10![American Airlines logo]()
$1,819
Last-minute flights from Kalispell to BuffaloDiscover last-minute flight deals from Kalispell to Buffalo. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Buffalo. Data last updated May 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/10. 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 5/1212:15 pm
FCA
- BUF
2 stops10h 04m
Delta
Wed 5/206:15 am
BUF
- FCA
2 stops13h 12m
Delta
Deal found 5/10![Delta logo]()
$606
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/122:33 pm
FCA
- BUF
1 stop6h 32m
United Airlines
Wed 5/2011:02 am
BUF
- FCA
2 stops12h 55m
United Airlines
Deal found 5/10![United Airlines logo]()
$858
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/2112:35 pm
FCA
- BUF
1 stop6h 28m
United Airlines
Mon 5/257:00 am
BUF
- FCA
1 stop6h 29m
United Airlines
Deal found 5/6![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 5/7. 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 5/2212:35 pm
FCA
- BUF
1 stop6h 28m
United Airlines
Tue 5/2610:34 am
BUF
- FCA
2 stops13h 13m
United Airlines
Deal found 5/7![United Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 5/5. 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 6/214:48 pm
FCA
- BUF
1 stop14h 41m
American Airlines
Fri 6/266:00 am
BUF
- FCA
1 stop8h 45m
American Airlines
Deal found 5/5![American Airlines logo]()
$779
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 May 10, 2026.
Search for one-way flight options from Kalispell to Buffalo. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/510:31 am
FCA
- BUF
3 stops46h 10m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$210
This American Airlines deal was found by Cheapflights users on 5/10. 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 5/2712:25 pm
FCA
- BUF
1 stop8h 11m
American Airlines
Deal found 5/10![American Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Mon 6/2910:31 am
FCA
- BUF
3 stops22h 24m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/2710:42 am
FCA
- BUF
2 stops11h 17m
United Airlines
Deal found 5/8![United Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/152:33 pm
FCA
- BUF
1 stop6h 32m
United Airlines
Deal found 5/8![United Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 6/294:48 pm
FCA
- BUF
1 stop14h 41m
American Airlines
Deal found 5/6![American Airlines logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 5/155:40 pm
FCA
- BUF
2 stops14h 38m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 5/6. 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 5/155:13 am
FCA
- BUF
2 stops11h 38m
Delta
Deal found 5/6![Delta logo]()
$396
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $459 (United Airlines) |
One-way from | $210 (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 May 10, 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 - BUF
FCABUF
Kalispell Glacier Park
Thu 5/21
12:35 pm-9:03 pm
1 stop6h 28m
Buffalo
Mon 5/25
7:00 am-11:29 am
1 stop6h 29m
$459
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Wed 8/26
12:35 pm-11:01 pm
1 stop8h 26m
Buffalo
Tue 9/1
6:14 am-2:31 pm
2 stops10h 17m
$481
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Fri 5/22
12:35 pm-11:59 pm
2 stops9h 24m
Buffalo
Tue 5/26
10:34 am-9:47 pm
2 stops13h 13m
$619
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Sun 6/21
4:48 pm-9:29 am
1 stop14h 41m
Buffalo
Fri 6/26
6:00 am-12:45 pm
1 stop8h 45m
$779
Quickest round-trip
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Sun 6/21
2:33 pm-10:58 pm
1 stop6h 25m
Buffalo
Fri 6/26
7:00 am-11:29 am
1 stop6h 29m
$1,081
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Sat 7/11
5:10 pm-12:02 pm
2 stops16h 52m
Buffalo
Tue 7/14
7:34 pm-11:44 am
2 stops66h 10m
$1,819
Cheapest one-way
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Fri 6/5
10:31 am-6:59 pm
2 stops30h 28m
$233
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Wed 5/27
12:25 pm-10:36 pm
1 stop8h 11m
$267
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Wed 5/27
12:35 pm-11:59 pm
2 stops9h 24m
$272
Quickest one-way
KalispellBuffalo
FCA - BUF
FCABUF
Kalispell Glacier Park
Fri 5/15
2:33 pm-11:05 pm
1 stop6h 32m
$317
Showing 1-10 of 14 resultsSorted 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 May.
| 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 May 10, 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.
Crew
8.1
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Crew
8.1
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - 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
West Seneca
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Kalispell and Buffalo flights
Browse other Kalispell and Buffalo flight options. Last updated on May 10, 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 May 10, 2026.
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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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$553 | FlexibilityNo cancel fee | On-time69% |