$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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — BUF
Oct 10 — Oct 171
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 September 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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/222:12 pm -
1 stop7h 47m
Wed 10/288:00 am -
1 stop7h 27m
Deal found 9/5![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 11/52:36 pm -
1 stop5h 57m
Thu 11/1210:51 am -
2 stops13h 00m
Deal found 9/7![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/222:12 pm -
1 stop7h 47m
Mon 10/268:00 am -
1 stop7h 27m
Deal found 9/5![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:36 pm -
1 stop5h 57m
Sat 10/318:50 am -
1 stop6h 44m
Deal found 9/9![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:30 pm -
1 stop6h 13m
Wed 10/2810:35 am -
2 stops13h 16m
Deal found 9/9![United Airlines logo]()
$464
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 September 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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/222:12 pm -
1 stop7h 47m
Wed 10/288:00 am -
1 stop7h 27m
Deal found 9/5![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 11/52:36 pm -
1 stop5h 57m
Thu 11/1210:51 am -
2 stops13h 00m
Deal found 9/7![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:36 pm -
1 stop5h 57m
Sat 10/318:50 am -
1 stop6h 44m
Deal found 9/9![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 9/9. 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 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 9/9![American Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/222:30 pm -
1 stop6h 13m
Wed 10/2810:35 am -
2 stops13h 16m
Deal found 9/5![United Airlines logo]()
$484
Last-minute flights from Kalispell to BuffaloDiscover last-minute flight deals from Kalispell to Buffalo. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Buffalo. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/222:12 pm -
1 stop7h 47m
Wed 10/288:00 am -
1 stop7h 27m
Deal found 9/5![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/222:12 pm -
1 stop7h 47m
Mon 10/268:00 am -
1 stop7h 27m
Deal found 9/5![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:30 pm -
1 stop6h 13m
Wed 10/2810:35 am -
2 stops13h 16m
Deal found 9/9![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:36 pm -
1 stop5h 57m
Sat 10/318:50 am -
1 stop6h 44m
Deal found 9/9![United Airlines logo]()
$459
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 September 10, 2026.
Search for one-way flight options from Kalispell to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 9/272:30 pm -
1 stop6h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 9/7. 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 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$604
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 1/35:10 pm -
1 stop27h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$607
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/312:59 pm -
3 stops19h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$1,813
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (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 September 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 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
8:00 am-1:27 pm
1 stop7h 27m
$359
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Thu 11/5
2:36 pm-10:33 pm
1 stop5h 57m
Buffalo
Thu 11/12
10:51 am-9:51 pm
2 stops13h 00m
$384
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Wed 10/28
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
2:12 pm-11:59 pm
1 stop7h 47m
Buffalo
Mon 10/26
8:00 am-1:27 pm
1 stop7h 27m
$461
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Thu 10/22
2:30 pm-10:43 pm
1 stop6h 13m
Buffalo
Wed 10/28
10:35 am-9:51 pm
2 stops13h 16m
$484
Quickest round-trip
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Sun 9/27
2:30 pm-10:43 pm
1 stop6h 13m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$579
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Sun 1/3
5:10 pm-10:50 pm
1 stop27h 40m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$607
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Sun 1/3
12:59 pm-10:47 am
3 stops19h 48m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$1,813
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 September.
| 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 September 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.
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.7
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 locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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Kalispell and Buffalo flights
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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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$374 | Average$509 | FlexibilityNo cancel fee | On-time69% |