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Cheap flights from Chicago (CHI) to Austin (AUS)

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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 Austin (AUS)

How to find the cheapest flight from Chicago (CHI) to Austin (AUS)
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How to find the cheapest flight from Chicago (CHI) to Austin (AUS)
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How to find the cheapest flight from Chicago (CHI) to Austin (AUS)
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Cheap flights from Chicago to Austin in August , September 2026

22 Aug - 04 Sep $ 334.00
CHI
Chicago
Frontier Airlines
1 STOPS
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
CHI
Chicago
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22 Aug - 05 Sep $ 407.00
CHI
Chicago
United Airlines
DIRECT
AUS
Austin
AUS
Austin
United Airlines
DIRECT
CHI
Chicago
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29 Aug - 04 Sep $ 1,278.00
CHI
Chicago
Frontier Airlines
1 STOPS
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Austin

26 Aug - 31 Aug $ 506.00
CHI
Chicago
United Airlines
DIRECT
AUS
Austin
AUS
Austin
United Airlines
DIRECT
CHI
Chicago
Pick dates
26 Aug - 31 Aug $ 506.00
CHI
Chicago
United Airlines
DIRECT
AUS
Austin
AUS
Austin
United Airlines
DIRECT
CHI
Chicago
Pick dates
26 Aug - 31 Aug $ 506.00
CHI
Chicago
United Airlines
DIRECT
AUS
Austin
AUS
Austin
United Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to Austin from Chicago

2:41 PM - 8:26 PM
Frontier Airlines
1 Stops
9h
CHI - AUS
$ 149
Kiwi
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1:30 PM - 1:30 PM
United Airlines
0 Stops
2h 54m
CHI - AUS
$ 192
Kiwi
Pick dates
1:30 PM - 1:30 PM
United Airlines
0 Stops
2h 54m
CHI - AUS
$ 192
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Austin (AUS)

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