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Cheap flights from Chicago (CHI) 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 Chicago (CHI) to San Antonio (SAT)

How to find the cheapest flight from Chicago (CHI) to San Antonio (SAT)
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How to find the cheapest flight from Chicago (CHI) to San Antonio (SAT)
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How to find the cheapest flight from Chicago (CHI) to San Antonio (SAT)
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Cheap flights from Chicago to San Antonio in November , December 2026

26 Nov - 10 Dec $ 386.00
CHI
Chicago
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
CHI
Chicago
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18 Nov - 10 Dec $ 547.00
CHI
Chicago
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
CHI
Chicago
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20 Nov - 07 Dec $ 5,685.00
CHI
Chicago
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to San Antonio

26 Nov - 01 Dec $ 492.00
CHI
Chicago
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
2 STOPS
CHI
Chicago
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18 Nov - 01 Dec $ 887.00
CHI
Chicago
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
CHI
Chicago
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20 Nov - 30 Nov $ 6,302.00
CHI
Chicago
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
CHI
Chicago
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One-way flights to San Antonio from Chicago

6:30 AM - 4:06 PM
Frontier Airlines
1 Stops
12h 55m
CHI - SAT
$ 160
Kiwi
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5:15 AM - 10:28 AM
Frontier Airlines
1 Stops
10h 3m
CHI - SAT
$ 166
Kiwi
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6:30 AM - 3:57 PM
Frontier Airlines
1 Stops
12h 44m
CHI - SAT
$ 224
Kiwi
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How to find the cheapest flight from Chicago (CHI) to San Antonio (SAT)

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