Cheapest return flights from Chicago to Athens in September from $1057

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

22 Sep - 01 Oct Delta
15 Sep - 21 Sep Porter Airlines (Canada) Ltd
09 Sep - 25 Sep Delta
01 Sep - 25 Sep Delta
01 Sep - 26 Sep Delta
02 Sep - 25 Sep Delta
15 Sep - 22 Sep Delta
01 Sep - 31 Oct Delta
10 Sep - 18 Sep Virgin Atlantic
13 Sep - 22 Sep Air France
02 Sep - 10 Sep Delta
12 Sep - 22 Sep Air France

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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