Earn point on your loyalty program!arrow arc left

Cheap flights from Kalispell (FCA) to San Diego (SAN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Kalispell (FCA) to San Diego (SAN)

How to find the cheapest flight from Kalispell (FCA) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Kalispell (FCA) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Kalispell (FCA) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Kalispell to San Diego in August , September 2026

31 Aug - 13 Sep $ 489.00
FCA
Kalispell
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
FCA
Kalispell
Pick dates
25 Aug - 01 Sep $ 677.00
FCA
Kalispell
Alaska Airlines
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
FCA
Kalispell
Pick dates
26 Aug - 01 Sep $ 697.00
FCA
Kalispell
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
FCA
Kalispell
Pick dates

Last minute flights from Kalispell to San Diego

25 Aug - 01 Sep $ 715.00
FCA
Kalispell
Alaska Airlines
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
2 STOPS
FCA
Kalispell
Pick dates
26 Aug - 31 Aug $ 767.00
FCA
Kalispell
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
FCA
Kalispell
Pick dates
28 Aug - 31 Aug $ 770.00
FCA
Kalispell
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
FCA
Kalispell
Pick dates

One-way flights to San Diego from Kalispell

10:54 AM - 6:58 PM
Frontier Airlines
1 Stops
10h 20m
FCA - SAN
$ 268
Kiwi
Pick dates
4:17 PM - 6:55 PM
United Airlines
1 Stops
5h 28m
FCA - SAN
$ 328
Kiwi
Pick dates
1:26 PM - 4:30 PM
United Airlines
1 Stops
5h
FCA - SAN
$ 328
Kiwi
Pick dates

How to find the cheapest flight from Kalispell (FCA) to San Diego (SAN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Kalispell (FCA) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Kalispell (FCA) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.