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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 November , December 2026

30 Nov - 09 Dec $ 408.00
STL
St Louis
Frontier Airlines
2 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
STL
St Louis
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21 Nov - 10 Dec $ 1,283.00
STL
St Louis
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
STL
St Louis
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18 Nov - 06 Dec $ 1,318.00
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 Nov - 01 Dec $ 606.00
STL
St Louis
Frontier Airlines
2 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
2 STOPS
STL
St Louis
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20 Nov - 01 Dec $ 1,844.00
STL
St Louis
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
STL
St Louis
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19 Nov - 01 Dec $ 1,876.00
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

5:15 PM - 9:00 AM
Frontier Airlines
2 Stops
17h 56m
STL - SAT
$ 308
Kiwi
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3:20 PM - 10:58 AM
Alaska Airlines
1 Stops
25h 37m
STL - SAT
$ 813
Kiwi
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6:00 AM - 10:09 AM
Alaska Airlines
1 Stops
10h 19m
STL - SAT
$ 838
Kiwi
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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.