$272+ 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 9 — Sep 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 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 August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Thu 10/222:12 pm -
1 stop7h 47m
Mon 10/268:00 am -
1 stop7h 27m
Deal found 8/7![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/212:30 pm -
1 stop6h 13m
Sat 10/248:45 am -
1 stop6h 43m
Deal found 8/8![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/7. 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 10/222:30 pm -
1 stop6h 13m
Wed 10/2810:35 am -
2 stops13h 16m
Deal found 8/7![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 8/5. 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 11/46:14 am -
2 stops8h 48m
Sat 11/710:51 am -
2 stops13h 00m
Deal found 8/5![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 8/5. 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 -
2 stops18h 31m
Wed 10/285:57 pm -
2 stops21h 30m
Deal found 8/5![American Airlines logo]()
$612
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 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 August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/5. 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 8/5![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/212:30 pm -
1 stop6h 13m
Sat 10/248:45 am -
1 stop6h 43m
Deal found 8/8![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Wed 11/42:36 pm -
1 stop6h 02m
Sat 11/78:50 am -
1 stop6h 44m
Deal found 8/6![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/5. 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 8/5![United Airlines logo]()
$464
Last-minute flights from Kalispell to BuffaloDiscover last-minute flight deals from Kalispell to Buffalo. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Buffalo. Data last updated August 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 9/512:40 pm -
1 stop8h 32m
Thu 9/108:55 am -
1 stop8h 59m
Deal found 8/5![United Airlines logo]()
$746
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 9/84:50 pm -
1 stop16h 58m
Wed 9/1612:09 pm -
1 stop26h 35m
Deal found 8/9![American Airlines logo]()
$1,548
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 10, 2026.
Search for one-way flight options from Kalispell to Buffalo. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/41:32 pm -
1 stop8h 30m
Deal found 8/10![American Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:01 pm -
2 stops12h 17m
Deal found 8/10![Alaska Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/2712:26 pm -
1 stop6h 21m
Deal found 8/7![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 8/6. 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.
Sun 9/276:00 pm -
2 stops15h 10m
Deal found 8/6![Delta logo]()
$418
This American Airlines deal was found by Cheapflights users on 8/7. 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
Deal found 8/7![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 8/5. 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 8/204:50 pm -
1 stop14h 49m
Deal found 8/5![American Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Fri 9/42:31 pm -
3 stops20h 45m
Deal found 8/9![United Airlines logo]()
$558
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $272 (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 2,558,603 searches. Data last updated August 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
Mon 10/26
8:00 am-1:27 pm
1 stop7h 27m
$359
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Wed 10/21
2:30 pm-10:43 pm
1 stop6h 13m
Buffalo
Sat 10/24
8:45 am-1:28 pm
1 stop6h 43m
$459
Quickest round-trip
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Wed 11/4
2:36 pm-10:38 pm
1 stop6h 02m
Buffalo
Sat 11/7
8:50 am-1:34 pm
1 stop6h 44m
$459
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Thu 10/22
2:30 pm-10:43 pm
1 stop6h 13m
Buffalo
Wed 10/28
10:35 am-9:51 pm
2 stops13h 16m
$464
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
$272
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Fri 9/4
8:01 pm-10:18 am
2 stops12h 17m
$384
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
$413
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Sun 9/27
6:00 pm-11:10 am
2 stops15h 10m
$418
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Sun 9/27
3:26 pm-11:39 am
2 stops18h 13m
$420
KalispellBuffalo
FCA Kalispell Glacier Park - BUF Buffalo
FCABUF
Kalispell Glacier Park
Thu 8/20
4:50 pm-12:38 pm
2 stops17h 48m
$432
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 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.
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Buffalo flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Kalispell
Popular flights
Alternative routes for Kalispell to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.
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 10, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kalispell to Buffalo by cabin class
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 August 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 August 10, 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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$509 | FlexibilityNo cancel fee | On-time69% |