Cheapest return flights from Chicago to Atlanta in September from 66€

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

Return flights

27 Sep - 29 Sep Frontier Airlines direct
24 Sep - 30 Sep Frontier Airlines direct
29 Sep - 01 Oct Frontier Airlines direct
16 Sep - 23 Sep Frontier Airlines direct
17 Sep - 20 Sep Frontier Airlines direct
16 Sep - 26 Sep Frontier Airlines direct
25 Sep - 29 Sep Frontier Airlines direct
26 Sep - 29 Sep Frontier Airlines direct
25 Sep - 03 Oct Frontier Airlines direct
18 Sep - 24 Sep Frontier Airlines direct
12 Sep - 16 Sep Frontier Airlines direct
27 Sep - 28 Sep Frontier 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.

Book a cheap hotel in Atlanta

Cheap car rent in Atlanta

Feel free to contact us with any feedback or request another flight research.