Cheapest return flights from Chicago to Athens in September from 983€

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

23 Sep - 03 Oct Delta
17 Sep - 02 Oct Delta
16 Sep - 23 Sep Delta
17 Sep - 24 Sep Delta
26 Sep - 12 Oct Delta
12 Sep - 27 Sep Delta
05 Sep - 12 Sep Air France
19 Sep - 26 Sep Air France
01 Sep - 07 Sep Delta
30 Sep - 07 Oct Air France
30 Sep - 06 Oct 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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