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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 May , June 2026

31 May - 02 Jun $ 397.00
STL
St Louis
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
STL
St Louis
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24 May - 04 Jun $ 502.00
STL
St Louis
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
STL
St Louis
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18 May - 03 Jun $ 758.00
STL
St Louis
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to San Diego

24 May - 31 May $ 512.00
STL
St Louis
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
STL
St Louis
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24 May - 31 May $ 512.00
STL
St Louis
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
STL
St Louis
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18 May - 31 May $ 868.00
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

7:23 PM - 10:42 PM
United Airlines
1 Stops
7h 7m
STL - SAN
$ 199
Kiwi
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1:38 PM - 3:55 PM
United Airlines
1 Stops
5h 42m
STL - SAN
$ 234
Kiwi
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5:10 AM - 7:40 AM
United Airlines
1 Stops
5h 52m
STL - SAN
$ 263
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.