Cheapest return flights from Chicago to Houston in September from $58

AirHint found the following cheapest return flights from Chicago (ORD) to Houston (IAH) in September 2025 (see full year).

Return flights

22 Sep - 25 Sep Frontier Airlines direct
26 Sep - 05 Oct Frontier Airlines direct
26 Sep - 06 Oct Frontier Airlines direct
29 Sep - 03 Oct Frontier Airlines direct
26 Sep - 29 Sep Frontier Airlines direct
08 Sep - 15 Sep Frontier Airlines direct
11 Sep - 15 Sep Frontier Airlines direct
23 Sep - 30 Sep Spirit Airlines direct
23 Sep - 24 Sep Spirit Airlines direct
27 Sep - 30 Sep Spirit Airlines direct
20 Sep - 30 Sep Spirit Airlines direct
20 Sep - 23 Sep Spirit Airlines direct
24 Sep - 30 Sep Spirit Airlines direct
30 Sep - 18 Oct Spirit Airlines direct
30 Sep - 11 Oct Spirit Airlines direct
23 Sep - 04 Oct Spirit Airlines direct
23 Sep - 01 Oct Spirit Airlines direct
23 Sep - 11 Oct Spirit Airlines direct
27 Sep - 01 Oct Spirit Airlines direct
27 Sep - 14 Oct Spirit Airlines direct

Also check the deals for one-way flights from Chicago to Houston in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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