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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 February , March 2026

27 Feb - 09 Mar $ 154.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
10 Feb - 03 Mar $ 202.00
CHI
Chicago
Spirit Airlines
1 STOPS
AUS
Austin
AUS
Austin
Spirit Airlines
1 STOPS
CHI
Chicago
Pick dates
06 Feb - 12 Mar $ 805.00
CHI
Chicago
United Airlines
DIRECT
AUS
Austin
AUS
Austin
United Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Austin

27 Feb - 28 Feb $ 201.00
CHI
Chicago
Spirit Airlines
DIRECT
AUS
Austin
AUS
Austin
Spirit Airlines
1 STOPS
CHI
Chicago
Pick dates
10 Feb - 28 Feb $ 244.00
CHI
Chicago
Spirit Airlines
1 STOPS
AUS
Austin
AUS
Austin
Spirit Airlines
1 STOPS
CHI
Chicago
Pick dates
13 Feb - 28 Feb $ 311.00
CHI
Chicago
Spirit Airlines
DIRECT
AUS
Austin
AUS
Austin
Spirit Airlines
1 STOPS
CHI
Chicago
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One-way flights to Austin from Chicago

7:45 AM - 7:45 AM
Frontier Airlines
0 Stops
3h 4m
CHI - AUS
$ 105
Kiwi
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7:20 AM - 7:15 PM
Spirit Airlines
1 Stops
14h 15m
CHI - AUS
$ 159
Kiwi
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9:05 AM - 9:05 AM
United Airlines
0 Stops
3h 1m
CHI - AUS
$ 369
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)
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 Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.