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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 March , April 2026

09 Mar - 16 Apr $ 109.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
CHI
Chicago
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09 Mar - 08 Apr $ 145.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
CHI
Chicago
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09 Mar - 05 Apr $ 192.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Austin

09 Mar - 01 Apr $ 206.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
09 Mar - 31 Mar $ 213.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
09 Mar - 31 Mar $ 406.00
CHI
Chicago
Hawaiian Airlines
DIRECT
AUS
Austin
AUS
Austin
Hawaiian Airlines
1 STOPS
CHI
Chicago
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One-way flights to Austin from Chicago

5:09 PM - 5:09 PM
Frontier Airlines
0 Stops
3h 4m
CHI - AUS
$ 65
Kiwi
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7:00 AM - 6:55 PM
Spirit Airlines
1 Stops
13h 53m
CHI - AUS
$ 82
Kiwi
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7:00 AM - 7:00 AM
United Airlines
0 Stops
2h 59m
CHI - AUS
$ 487
Kiwi
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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.