Earn point on your loyalty program!arrow arc left

Cheap flights from Chicago (CHI) to Houston (HOU)

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 Chicago (CHI) to Houston (HOU)

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

Cheap flights from Chicago to Houston in September , October 2026

29 Sep - 14 Oct $ 211.00
CHI
Chicago
Frontier Airlines
DIRECT
HOU
Houston
HOU
Houston
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
15 Sep - 04 Oct $ 224.00
CHI
Chicago
Frontier Airlines
DIRECT
HOU
Houston
HOU
Houston
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
16 Sep - 04 Oct $ 224.00
CHI
Chicago
Frontier Airlines
DIRECT
HOU
Houston
HOU
Houston
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Houston

29 Sep - 30 Sep $ 244.00
CHI
Chicago
Frontier Airlines
DIRECT
HOU
Houston
HOU
Houston
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
16 Sep - 30 Sep $ 277.00
CHI
Chicago
Frontier Airlines
DIRECT
HOU
Houston
HOU
Houston
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
16 Sep - 30 Sep $ 505.00
CHI
Chicago
United Airlines
DIRECT
HOU
Houston
HOU
Houston
United Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to Houston from Chicago

7:25 AM - 7:25 AM
Frontier Airlines
0 Stops
3h 5m
CHI - HOU
$ 123
Kiwi
Pick dates
7:25 AM - 7:25 AM
Frontier Airlines
0 Stops
3h 5m
CHI - HOU
$ 154
Kiwi
Pick dates
6:30 AM - 6:30 AM
United Airlines
0 Stops
2h 48m
CHI - HOU
$ 259
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Houston (HOU)

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 Chicago (CHI) to Houston (HOU)
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 Houston (HOU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.