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Cheap flights from Great Falls (GTF) to San Diego (SAN)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Great Falls (GTF) to San Diego (SAN)

How to find the cheapest flight from Great Falls (GTF) to San Diego (SAN)
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How to find the cheapest flight from Great Falls (GTF) to San Diego (SAN)
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How to find the cheapest flight from Great Falls (GTF) to San Diego (SAN)
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Cheap flights from Great Falls to San Diego in April , May 2026

27 Apr - 29 May $ 366.00
GTF
Great Falls
Allegiant Air
1 STOPS
SAN
San Diego
SAN
San Diego
Allegiant Air
1 STOPS
GTF
Great Falls
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29 Apr - 07 May $ 651.00
GTF
Great Falls
Alaska Airlines
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
2 STOPS
GTF
Great Falls
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30 Apr - 09 May $ 856.00
GTF
Great Falls
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
GTF
Great Falls
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Last minute flights from Great Falls to San Diego

27 Apr - 01 May $ 437.00
GTF
Great Falls
Allegiant Air
1 STOPS
SAN
San Diego
SAN
San Diego
Allegiant Air
1 STOPS
GTF
Great Falls
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27 Apr - 01 May $ 471.00
GTF
Great Falls
Allegiant Air
1 STOPS
SAN
San Diego
SAN
San Diego
Allegiant Air
1 STOPS
GTF
Great Falls
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29 Apr - 02 May $ 1,873.00
GTF
Great Falls
Alaska Airlines
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
3 STOPS
GTF
Great Falls
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One-way flights to San Diego from Great Falls

11:42 AM - 4:27 PM
Frontier Airlines
1 Stops
7h 14m
GTF - SAN
$ 249
Kiwi
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6:15 PM - 12:33 PM
Alaska Airlines
2 Stops
20h 36m
GTF - SAN
$ 348
Kiwi
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6:15 PM - 9:04 PM
Alaska Airlines
1 Stops
6h 44m
GTF - SAN
$ 545
Kiwi
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How to find the cheapest flight from Great Falls (GTF) to San Diego (SAN)

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