Cheapest return flights from Chicago to Athens in September from 834€

Best time to book flights for Chicago (MDW) to Athens (ATH) flights at AirHint

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

Return flights

10 Sep - 17 Sep Delta
01 Sep - 10 Sep Delta
03 Sep - 10 Sep Delta
23 Sep - 06 Oct Delta
06 Sep - 14 Sep Delta
10 Sep - 22 Sep Delta
18 Sep - 03 Oct Delta
19 Sep - 03 Oct Delta
19 Sep - 02 Oct Delta
06 Sep - 13 Sep Delta
19 Sep - 28 Sep Delta
21 Sep - 26 Sep KLM
11 Sep - 21 Sep Delta
11 Sep - 20 Sep Virgin Atlantic

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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