$220 Cheap American Airlines flights Kalispell (FCA) to Boston (BOS)

View $220 flight on Fri, Aug 22, 2025Opens in a new window

$220 Cheap American Airlines flights Kalispell (FCA) to Boston (BOS)

Prices were available within the past 7 days and start at $220 for one-way flights and $378 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
American Airlines
Fri, Aug 22 - Sat, Aug 23
FCA
Kalispell
BOS
Boston
$378
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Fri, Aug 22 from Kalispell to Boston, returning Sat, Aug 23, priced at $378 Found 1 day ago
American Airlines
Fri, Aug 22 - Sat, Aug 23
FCA
Kalispell
BOS
Boston
$398
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Fri, Aug 22 from Kalispell to Boston, returning Sat, Aug 23, priced at $398 Found 1 day ago
American Airlines
Mon, Aug 25 - Tue, Aug 26
FCA
Kalispell
BOS
Boston
$438
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Mon, Aug 25 from Kalispell to Boston, returning Tue, Aug 26, priced at $438 Found 1 day ago
American Airlines
Fri, Aug 22 - Sat, Aug 23
FCA
Kalispell
BOS
Boston
$439
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Fri, Aug 22 from Kalispell to Boston, returning Sat, Aug 23, priced at $439 Found 1 day ago
American Airlines
Thu, Aug 21 - Sun, Aug 24
FCA
Kalispell
BOS
Boston
$443
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Thu, Aug 21 from Kalispell to Boston, returning Sun, Aug 24, priced at $443 Found 1 day ago
American Airlines
Mon, Aug 25 - Sun, Aug 31
FCA
Kalispell
BOS
Boston
$478
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Mon, Aug 25 from Kalispell to Boston, returning Sun, Aug 31, priced at $478 Found 1 day ago
Flights from Kalispell (FCA) to Boston (BOS)
Origin airport
Glacier Park Intl.
Destination airport
Logan Intl.
Distance
3376 km