Cheapest return MDW–ATL flights, September

AirHint found the following cheapest return flights from Chicago (MDW) to Atlanta (ATL) in September 2026 (see full year).

Return flights

16 Sep - 30 Sep Frontier Airlines direct
30 Sep - 06 Oct Frontier Airlines direct
30 Sep - 21 Oct Frontier Airlines direct
30 Sep - 05 Oct Frontier Airlines direct
17 Sep - 21 Sep Frontier Airlines direct
05 Sep - 07 Sep Frontier Airlines direct
11 Sep - 14 Sep Frontier Airlines direct
18 Sep - 20 Sep Frontier Airlines direct

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

Powered by

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.