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Cheap flights from St Louis (STL) 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 St Louis (STL) to San Diego (SAN)

How to find the cheapest flight from St Louis (STL) to San Diego (SAN)
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How to find the cheapest flight from St Louis (STL) to San Diego (SAN)
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How to find the cheapest flight from St Louis (STL) to San Diego (SAN)
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Cheap flights from St Louis to San Diego in February , March 2026

28 Feb - 06 Mar $ 841.00
STL
St Louis
Hawaiian Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
1 STOPS
STL
St Louis
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28 Feb - 05 Mar $ 841.00
STL
St Louis
Hawaiian Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
1 STOPS
STL
St Louis
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28 Feb - 09 Mar $ 883.00
STL
St Louis
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
STL
St Louis
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One-way flights to San Diego from St Louis

6:41 PM - 7:02 PM
Frontier Airlines
2 Stops
26h 44m
STL - SAN
$ 333
Kiwi
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6:41 PM - 12:24 PM
Frontier Airlines
2 Stops
20h 6m
STL - SAN
$ 356
Kiwi
Pick dates
6:41 PM - 1:49 PM
Frontier Airlines
1 Stops
22h 36m
STL - SAN
$ 498
Kiwi
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How to find the cheapest flight from St Louis (STL) to San Diego (SAN)

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