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

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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 San Antonio (SAT) to Chicago (CHI)

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

28 Sep - 30 Oct $ 386.00
SAT
San Antonio
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SAT
San Antonio
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30 Sep - 03 Oct $ 410.00
SAT
San Antonio
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SAT
San Antonio
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28 Sep - 05 Oct $ 1,066.00
SAT
San Antonio
Alaska Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Alaska Airlines
1 STOPS
SAT
San Antonio
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Last minute flights from San Antonio to Chicago

29 Sep - 01 Oct $ 410.00
SAT
San Antonio
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SAT
San Antonio
Pick dates
28 Sep - 30 Sep $ 432.00
SAT
San Antonio
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SAT
San Antonio
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30 Sep - 30 Sep $ 643.00
SAT
San Antonio
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
SAT
San Antonio
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One-way flights to Chicago from San Antonio

3:19 PM - 11:50 PM
Frontier Airlines
1 Stops
14h 19m
SAT - CHI
$ 205
Kiwi
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2:00 PM - 2:00 PM
United Airlines
0 Stops
3h
SAT - CHI
$ 278
Kiwi
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6:35 AM - 6:35 AM
United Airlines
0 Stops
3h
SAT - CHI
$ 282
Kiwi
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How to find the cheapest flight from San Antonio (SAT) to Chicago (CHI)

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