Cheap flights from Boulder to Kalispell from CA $234

View CA $234 flight on Sun, Sep. 7, 2025Opens in a new window

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Cheap flights from Boulder (DEN) to Kalispell (FCA)

Prices were available within the past 7 days and start at CA $234 for one-way flights and CA $396 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov. 27 - Fri, Dec. 5
DEN
Denver
FCA
Kalispell
CA $396 Roundtrip, found 1 day ago
CA $396
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Nov. 27 from Denver to Kalispell, returning Fri, Dec. 5, priced at CA $396 found 1 day ago
Delta
Sat, Jul. 26 - Fri, Aug. 1
DEN
Denver
FCA
Kalispell
CA $409 Roundtrip, found 2 days ago
CA $409
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Jul. 26 from Denver to Kalispell, returning Fri, Aug. 1, priced at CA $409 found 2 days ago
Hawaiian Airlines
Tue, Nov. 25 - Fri, Dec. 5
DEN
Denver
FCA
Kalispell
CA $423 Roundtrip, found 1 day ago
CA $423
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Nov. 25 from Denver to Kalispell, returning Fri, Dec. 5, priced at CA $423 found 1 day ago
United
Fri, Nov. 28 - Thu, Dec. 4
DEN
Denver
FCA
Kalispell
CA $483 Roundtrip, found 2 days ago
CA $483
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov. 28 from Denver to Kalispell, returning Thu, Dec. 4, priced at CA $483 found 2 days ago
Alaska Airlines
Wed, Nov. 26 - Fri, Nov. 28
DEN
Denver
FCA
Kalispell
CA $545 Roundtrip, found 1 day ago
CA $545
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Nov. 26 from Denver to Kalispell, returning Fri, Nov. 28, priced at CA $545 found 1 day ago
American Airlines
Tue, Jul. 22 - Wed, Jul. 23
DEN
Denver
FCA
Kalispell
CA $747 Roundtrip, found 2 days ago
CA $747
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul. 22 from Denver to Kalispell, returning Wed, Jul. 23, priced at CA $747 found 2 days ago

Find the cheapest month to fly from Denver (DEN) to Kalispell (FCA)

April is typically the cheapest month to fly

From CA $286 - CA $537 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.