Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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

Cheap flights from Austin to Chicago in March , April 2026

26 Mar - 20 Apr $ 119.00
AUS
Austin
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
Pick dates
12 Mar - 09 Apr $ 203.00
AUS
Austin
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
Pick dates
12 Mar - 02 Apr $ 214.00
AUS
Austin
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
AUS
Austin
Pick dates

Last minute flights from Austin to Chicago

26 Mar - 31 Mar $ 156.00
AUS
Austin
Spirit Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Spirit Airlines
1 STOPS
AUS
Austin
Pick dates
12 Mar - 31 Mar $ 228.00
AUS
Austin
Spirit Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Spirit Airlines
1 STOPS
AUS
Austin
Pick dates
14 Mar - 31 Mar $ 473.00
AUS
Austin
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
AUS
Austin
Pick dates

One-way flights to Chicago from Austin

9:43 PM - 9:43 PM
Frontier Airlines
0 Stops
2h 46m
AUS - CHI
$ 75
Kiwi
Pick dates
10:03 PM - 10:03 PM
Frontier Airlines
0 Stops
2h 46m
AUS - CHI
$ 139
Kiwi
Pick dates
11:54 AM - 11:54 AM
Frontier Airlines
0 Stops
2h 46m
AUS - CHI
$ 198
Kiwi
Pick dates

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

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