Cheapest return flights from Chicago to Athens in September from $481

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

Return flights

10 Sep - 17 Sep Turkish Airlines
10 Sep - 24 Sep Turkish Airlines
15 Sep - 25 Sep Turkish Airlines
24 Sep - 23 Oct Turkish Airlines
08 Sep - 24 Sep Turkish Airlines
10 Sep - 02 Oct Turkish Airlines
22 Sep - 20 Oct Turkish Airlines
08 Sep - 19 Sep Turkish Airlines
08 Sep - 22 Sep Turkish Airlines
13 Sep - 28 Oct Turkish Airlines
22 Sep - 06 Oct Turkish Airlines
23 Sep - 23 Oct Turkish Airlines
29 Sep - 19 Oct Turkish Airlines
15 Sep - 13 Oct Turkish Airlines
30 Sep - 24 Oct Scandinavian Airlines
24 Sep - 02 Oct Air Canada
06 Sep - 11 Sep Frontier Airlines
12 Sep - 24 Sep Spirit Airlines
15 Sep - 22 Sep Turkish Airlines
11 Sep - 23 Sep Spirit 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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