Cheapest return ORD–ATH flights, September

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

Return flights

22 Sep - 07 Oct Air Canada
12 Sep - 05 Oct Air Canada
10 Sep - 17 Sep Turkish Airlines
30 Sep - 09 Oct TAP
23 Sep - 30 Sep Turkish Airlines
18 Sep - 25 Sep Scandinavian Airlines
26 Sep - 22 Oct TAP
01 Sep - 30 Sep Turkish Airlines
08 Sep - 22 Sep Turkish Airlines
06 Sep - 13 Sep Scandinavian Airlines
21 Sep - 30 Sep Icelandair
08 Sep - 16 Sep SWISS
27 Sep - 04 Oct Turkish Airlines
14 Sep - 04 Oct Icelandair
13 Sep - 05 Oct Icelandair
07 Sep - 21 Sep Turkish Airlines
27 Sep - 12 Oct Turkish Airlines
05 Sep - 19 Sep TAP
30 Sep - 04 Oct Turkish Airlines
13 Sep - 04 Oct Turkish Airlines

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

Cheap car rent in Athens

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