Cheapest return flights from Chicago to Atlanta in September from $88

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

Return flights

23 Sep - 30 Sep Frontier Airlines direct
24 Sep - 01 Oct Frontier Airlines direct
27 Sep - 29 Sep Frontier Airlines direct
23 Sep - 04 Oct Frontier Airlines direct
26 Sep - 29 Sep Frontier Airlines direct
23 Sep - 24 Sep Frontier Airlines direct
23 Sep - 25 Sep Frontier Airlines
24 Sep - 25 Sep Frontier Airlines
26 Sep - 27 Sep Frontier Airlines
26 Sep - 27 Sep Frontier Airlines direct
25 Sep - 29 Sep Frontier Airlines
28 Sep - 01 Oct Frontier Airlines
27 Sep - 28 Sep Frontier Airlines
28 Sep - 01 Oct Frontier Airlines direct
30 Sep - 16 Oct Spirit Airlines
30 Sep - 08 Oct Spirit Airlines
22 Sep - 04 Oct Frontier Airlines
30 Sep - 11 Oct Spirit Airlines
30 Sep - 07 Oct Spirit Airlines
30 Sep - 21 Oct Spirit Airlines

Also check the deals for one-way flights from Chicago to Atlanta 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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