Cheap flights from Boston to Kalispell from CA $225

View CA $225 flight on Tue, Apr. 8, 2025Opens in a new window

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Cheap flights from Boston (BOS) to Kalispell (FCA)

Prices were available within the past 7 days and start at CA $225 for one-way flights and CA $680 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri., Apr. 25 - Mon., Apr. 28
BOS
Boston
FCA
Kalispell
CA $680 Roundtrip, found 19 hours ago
CA $680
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Fri., Apr. 25 from Boston to Kalispell, returning Mon., Apr. 28, priced at CA $680 found 19 hours ago
American Airlines
Sat., Jun. 21 - Wed., Jun. 25
BOS
Boston
FCA
Kalispell
CA $702 Roundtrip, found 1 day ago
CA $702
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat., Jun. 21 from Boston to Kalispell, returning Wed., Jun. 25, priced at CA $702 found 1 day ago
American Airlines
Sat., Jun. 21 - Wed., Jun. 25
BOS
Boston
FCA
Kalispell
CA $744 Roundtrip, found 1 day ago
CA $744
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat., Jun. 21 from Boston to Kalispell, returning Wed., Jun. 25, priced at CA $744 found 1 day ago
American Airlines
Sat., Jun. 21 - Wed., Jun. 25
BOS
Boston
FCA
Kalispell
CA $767 Roundtrip, found 1 day ago
CA $767
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat., Jun. 21 from Boston to Kalispell, returning Wed., Jun. 25, priced at CA $767 found 1 day ago
Alaska Airlines
Fri., Apr. 25 - Mon., Apr. 28
BOS
Boston
FCA
Kalispell
CA $775 Roundtrip, found 19 hours ago
CA $775
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Fri., Apr. 25 from Boston to Kalispell, returning Mon., Apr. 28, priced at CA $775 found 19 hours ago
Alaska Airlines
Fri., Apr. 25 - Mon., Apr. 28
BOS
Boston
FCA
Kalispell
CA $783 Roundtrip, found 19 hours ago
CA $783
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Fri., Apr. 25 from Boston to Kalispell, returning Mon., Apr. 28, priced at CA $783 found 19 hours ago
*Available to Expedia members.