Cheapest return flights from Chicago to Athens in September from 395€

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

Return flights

25 Sep - 16 Oct Spirit Airlines
28 Sep - 07 Oct Turkish Airlines
19 Sep - 26 Sep Spirit Airlines
03 Sep - 17 Sep Turkish Airlines
01 Sep - 11 Sep British Airways
02 Sep - 26 Sep British Airways
25 Sep - 03 Oct Turkish Airlines
06 Sep - 14 Sep Turkish Airlines
03 Sep - 24 Sep Turkish Airlines
01 Sep - 10 Sep Turkish Airlines
16 Sep - 30 Sep Turkish Airlines
24 Sep - 30 Sep Turkish Airlines
09 Sep - 23 Sep Turkish Airlines
19 Sep - 02 Oct Turkish Airlines
19 Sep - 03 Oct Turkish Airlines
18 Sep - 03 Oct Turkish Airlines
23 Sep - 21 Oct Delta
08 Sep - 05 Oct SWISS
20 Sep - 04 Oct Frontier Airlines
14 Sep - 01 Oct Delta

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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