Cheapest return flights from Chicago to Athens in September from 363€

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

Return flights

09 Sep - 16 Sep Air Serbia
30 Sep - 09 Oct Air Serbia
19 Sep - 03 Oct Air Serbia
26 Sep - 22 Oct Turkish Airlines
02 Sep - 09 Sep SWISS
11 Sep - 28 Sep Turkish Airlines
10 Sep - 21 Sep Lufthansa
25 Sep - 03 Oct Turkish Airlines
30 Sep - 09 Oct United direct
18 Sep - 25 Sep Icelandair
26 Sep - 22 Oct United direct
17 Sep - 27 Sep Austrian Airlines
03 Sep - 17 Sep Turkish Airlines
01 Sep - 08 Sep Finnair direct
10 Sep - 17 Sep Finnair direct

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

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