Cheapest return flights from Chicago to Athens in September from $483

AirHint found the following cheapest return flights from Chicago (ORD) to Athens (ATH) in September 2025 (see full year).

Return flights

15 Sep - 26 Sep Spirit Airlines
16 Sep - 03 Oct Scandinavian Airlines
04 Sep - 16 Sep Spirit Airlines
15 Sep - 30 Sep Spirit Airlines
21 Sep - 30 Sep Spirit Airlines
09 Sep - 25 Sep Spirit Airlines
05 Sep - 16 Sep Spirit Airlines
19 Sep - 26 Sep jetBlue
23 Sep - 07 Oct Spirit Airlines
09 Sep - 16 Sep Spirit Airlines
23 Sep - 30 Sep Spirit Airlines
01 Sep - 10 Sep Scandinavian Airlines
25 Sep - 04 Oct Scandinavian Airlines
16 Sep - 04 Oct Scandinavian Airlines
30 Sep - 07 Oct jetBlue
29 Sep - 06 Oct Scandinavian Airlines
16 Sep - 06 Oct Scandinavian Airlines
15 Sep - 10 Oct Scandinavian Airlines
23 Sep - 04 Oct Scandinavian Airlines
18 Sep - 02 Oct Scandinavian Airlines

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

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