$243+ Cheap flights from Buffalo to Kalispell (BUF - FCA)
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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — FCA
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Kalispell 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 Buffalo to Kalispell
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to KalispellExplore the most affordable flight options available from Buffalo to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Buffalo to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 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.
Sat 10/248:45 am -
1 stop9h 21m
Mon 10/262:36 pm -
1 stop5h 57m
Deal found 9/10![United Airlines logo]()
$494
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.
Fri 9/257:00 am -
1 stop6h 28m
Tue 9/292:30 pm -
1 stop6h 13m
Deal found 9/10![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/257:00 am -
1 stop6h 28m
Wed 9/306:05 am -
2 stops15h 06m
Deal found 9/11![United Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/277:00 am -
1 stop6h 28m
Thu 10/12:30 pm -
1 stop6h 13m
Deal found 9/12![United Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/277:00 am -
1 stop9h 33m
Thu 10/11:34 pm -
2 stops8h 33m
Deal found 9/12![American Airlines logo]()
$588
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/257:59 am -
1 stop6h 45m
Wed 9/301:02 pm -
1 stop7h 57m
Deal found 9/11![American Airlines logo]()
$597
Best flights from Buffalo to KalispellDiscover carefully curated flight deals from Buffalo to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Buffalo to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 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.
Sat 10/248:45 am -
1 stop9h 21m
Mon 10/262:36 pm -
1 stop5h 57m
Deal found 9/10![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/277:00 am -
1 stop9h 33m
Thu 10/11:34 pm -
2 stops8h 33m
Deal found 9/12![American Airlines logo]()
$588
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.
Fri 9/257:00 am -
1 stop6h 28m
Tue 9/292:30 pm -
1 stop6h 13m
Deal found 9/10![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/257:00 am -
1 stop6h 28m
Wed 9/306:05 am -
2 stops15h 06m
Deal found 9/11![United Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/277:00 am -
1 stop6h 28m
Thu 10/12:30 pm -
1 stop6h 13m
Deal found 9/12![United Airlines logo]()
$583
Last-minute flights from Buffalo to KalispellDiscover last-minute flight deals from Buffalo to Kalispell. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Kalispell. Data last updated September 13, 2026 and is based on user searches.
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.
Fri 9/257:00 am -
1 stop6h 28m
Tue 9/292:30 pm -
1 stop6h 13m
Deal found 9/10![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/257:00 am -
1 stop6h 28m
Wed 9/306:05 am -
2 stops15h 06m
Deal found 9/11![United Airlines logo]()
$553
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/257:59 am -
1 stop6h 45m
Wed 9/301:02 pm -
1 stop7h 57m
Deal found 9/11![American Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/277:00 am -
1 stop6h 28m
Thu 10/12:30 pm -
1 stop6h 13m
Deal found 9/12![United Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/277:00 am -
1 stop9h 33m
Thu 10/11:34 pm -
2 stops8h 33m
Deal found 9/12![American Airlines logo]()
$588
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.
Sat 10/248:45 am -
1 stop9h 21m
Mon 10/262:36 pm -
1 stop5h 57m
Deal found 9/10![United Airlines logo]()
$494
One-way flights from Buffalo to KalispellSearch for one-way flight options from Buffalo to Kalispell. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Buffalo to Kalispell. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/258:00 am -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$243
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/258:00 am -
3 stops16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Alaska Airlines logo]()
$1,787
Find flight deals from Buffalo to Kalispell
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Kalispell (FCA). 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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $494 (United Airlines) |
One-way from | $243 (American Airlines) |
Popular in | July |
Cheapest in | November |
Average price | $456 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Kalispell 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 13, 2026.
Use the filters below to find and compare flights from Buffalo to Kalispell that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloKalispell
BUF Buffalo - FCA Kalispell Glacier Park
BUFFCA
Buffalo
Sun 10/25
8:00 am-1:27 pm
1 stop7h 27m
Kalispell Glacier Park
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$243
BuffaloKalispell
BUF Buffalo - FCA Kalispell Glacier Park
BUFFCA
Buffalo
Sat 10/24
8:45 am-4:06 pm
1 stop9h 21m
Kalispell Glacier Park
Mon 10/26
2:36 pm-10:33 pm
1 stop5h 57m
$494
BuffaloKalispell
BUF Buffalo - FCA Kalispell Glacier Park
BUFFCA
Buffalo
Fri 9/25
7:00 am-11:28 am
1 stop6h 28m
Kalispell Glacier Park
Tue 9/29
2:30 pm-10:43 pm
1 stop6h 13m
$507
BuffaloKalispell
BUF Buffalo - FCA Kalispell Glacier Park
BUFFCA
Buffalo
Fri 9/25
7:00 am-11:28 am
1 stop6h 28m
Kalispell Glacier Park
Wed 9/30
6:05 am-11:11 pm
2 stops15h 06m
$553
BuffaloKalispell
BUF Buffalo - FCA Kalispell Glacier Park
BUFFCA
Buffalo
Sun 9/27
7:00 am-11:28 am
1 stop6h 28m
Kalispell Glacier Park
Thu 10/1
2:30 pm-10:43 pm
1 stop6h 13m
$583
BuffaloKalispell
BUF Buffalo - FCA Kalispell Glacier Park
BUFFCA
Buffalo
Sun 9/27
7:00 am-2:33 pm
1 stop9h 33m
Kalispell Glacier Park
Thu 10/1
1:34 pm-12:07 am
2 stops8h 33m
$588
BuffaloKalispell
BUF Buffalo - FCA Kalispell Glacier Park
BUFFCA
Buffalo
Sun 10/25
8:00 am-10:59 pm
3 stops16h 59m
Kalispell Glacier Park
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$1,787
Sorted by cheapest first
Compare providers for flights from Buffalo to Kalispell
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 Buffalo to Kalispell 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 Buffalo-Kalispell flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Kalispell flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Kalispell flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-Kalispell 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 Buffalo-Kalispell 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 Buffalo to Kalispell
Have a flexible travel schedule? Discover the best time to fly to Kalispell from Buffalo with our price prediction graph.
BUF-FCA
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.
Cheapflights Insights
Everything you need to know about your flight from Buffalo to Kalispell
Reviews of airlines servicing Kalispell
Get insights into the airlines that provide service to Kalispell. 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 Kalispell. Reviews last updated September 13, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Buffalo to Kalispell to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
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 Buffalo to Kalispell. 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 Kalispell?
Book flights to Kalispell if you plan to visit one of these locationsColumbia Falls
East Glacier Park
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Top 2 airlines flying from Buffalo to Kalispell
Discover the top 2 airlines that operate flights from Buffalo to Kalispell. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$506 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$358 | Average$498 | FlexibilityNo cancel fee | On-time71% |