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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 July , August 2026

27 Jul - 07 Aug $ 636.00
GTF
Great Falls
Allegiant Air
1 STOPS
SAN
San Diego
SAN
San Diego
Allegiant Air
1 STOPS
GTF
Great Falls
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28 Jul - 09 Aug $ 959.00
GTF
Great Falls
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
GTF
Great Falls
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30 Jul - 09 Aug $ 959.00
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

28 Jul - 31 Jul $ 1,125.00
GTF
Great Falls
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
GTF
Great Falls
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28 Jul - 31 Jul $ 1,125.00
GTF
Great Falls
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
GTF
Great Falls
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28 Jul - 31 Jul $ 1,796.00
GTF
Great Falls
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
GTF
Great Falls
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One-way flights to San Diego from Great Falls

10:19 AM - 6:50 PM
Frontier Airlines
1 Stops
10h 47m
GTF - SAN
$ 410
Kiwi
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6:15 AM - 11:40 AM
United Airlines
1 Stops
7h 55m
GTF - SAN
$ 520
Kiwi
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5:09 PM - 7:06 PM
Alaska Airlines
1 Stops
5h 58m
GTF - SAN
$ 559
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.