Cheapest return MDW–ATH flights, September

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

Return flights

22 Sep - 29 Sep Frontier Airlines
24 Sep - 02 Oct Delta
17 Sep - 05 Oct Delta
04 Sep - 21 Sep Condor
11 Sep - 18 Sep Condor
02 Sep - 09 Sep Condor
05 Sep - 20 Sep Delta
01 Sep - 08 Sep Condor
04 Sep - 09 Sep Condor
06 Sep - 27 Sep Air France
30 Sep - 04 Oct Virgin Atlantic
30 Sep - 05 Oct Virgin Atlantic
04 Sep - 20 Sep Air France
03 Sep - 14 Sep Delta

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

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