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Cheap flights from St Louis (STL) to San Antonio (SAT)

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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 Antonio (SAT)

How to find the cheapest flight from St Louis (STL) to San Antonio (SAT)
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How to find the cheapest flight from St Louis (STL) to San Antonio (SAT)
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How to find the cheapest flight from St Louis (STL) to San Antonio (SAT)
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Cheap flights from St Louis to San Antonio in March , April 2026

26 Mar - 05 Apr $ 336.00
STL
St Louis
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
STL
St Louis
Pick dates
11 Mar - 09 Apr $ 994.00
STL
St Louis
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
STL
St Louis
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11 Mar - 05 Apr $ 1,034.00
STL
St Louis
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to San Antonio

24 Mar - 31 Mar $ 341.00
STL
St Louis
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
STL
St Louis
Pick dates
11 Mar - 01 Apr $ 949.00
STL
St Louis
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
STL
St Louis
Pick dates
08 Mar - 01 Apr $ 1,049.00
STL
St Louis
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
STL
St Louis
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One-way flights to San Antonio from St Louis

6:00 AM - 9:34 AM
United Airlines
1 Stops
4h 47m
STL - SAT
$ 165
Kiwi
Pick dates
6:00 AM - 9:34 AM
United Airlines
1 Stops
4h 47m
STL - SAT
$ 200
Kiwi
Pick dates
6:00 AM - 9:34 AM
United Airlines
1 Stops
4h 47m
STL - SAT
$ 202
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to San Antonio (SAT)

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