Cheapest return flights from Chicago to Atlanta in September from 51€

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

Return flights

18 Sep - 22 Sep Frontier Airlines direct
22 Sep - 24 Sep Frontier Airlines direct
24 Sep - 01 Oct Frontier Airlines direct
10 Sep - 16 Sep Frontier Airlines direct
10 Sep - 17 Sep Frontier Airlines direct
09 Sep - 16 Sep Frontier Airlines direct
11 Sep - 17 Sep Frontier Airlines direct
06 Sep - 09 Sep Frontier Airlines direct
06 Sep - 10 Sep Frontier Airlines direct
25 Sep - 28 Sep Frontier Airlines direct
10 Sep - 15 Sep Frontier Airlines direct
28 Sep - 05 Oct Frontier Airlines direct
28 Sep - 16 Oct Spirit Airlines
25 Sep - 09 Oct Spirit Airlines
25 Sep - 16 Oct Spirit Airlines
21 Sep - 09 Oct Spirit Airlines
28 Sep - 09 Oct Spirit Airlines
18 Sep - 09 Oct Spirit Airlines
20 Sep - 09 Oct Spirit Airlines
25 Sep - 12 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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