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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 April , May 2026

27 Apr - 04 May $ 158.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
CHI
Chicago
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11 Apr - 03 May $ 187.00
CHI
Chicago
Frontier Airlines
1 STOPS
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
12 Apr - 04 May $ 238.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Austin

27 Apr - 30 Apr $ 197.00
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
11 Apr - 01 May $ 252.00
CHI
Chicago
Frontier Airlines
1 STOPS
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
09 Apr - 30 Apr $ 689.00
CHI
Chicago
United Airlines
DIRECT
AUS
Austin
AUS
Austin
United Airlines
DIRECT
CHI
Chicago
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One-way flights to Austin from Chicago

8:50 AM - 8:50 AM
Frontier Airlines
0 Stops
3h 21m
CHI - AUS
$ 79
Kiwi
Pick dates
4:36 PM - 10:28 PM
Spirit Airlines
1 Stops
8h 6m
CHI - AUS
$ 102
Kiwi
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1:14 PM - 1:14 PM
United Airlines
0 Stops
3h 2m
CHI - AUS
$ 234
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.