Cheapest return flights from Chicago to Athens in September from 942€

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

17 Sep - 15 Oct Delta
23 Sep - 01 Oct Delta
23 Sep - 30 Sep Delta
10 Sep - 08 Oct Delta
15 Sep - 13 Oct Delta
11 Sep - 06 Oct Delta
06 Sep - 13 Sep KLM
10 Sep - 21 Sep Delta
03 Sep - 06 Sep Delta
05 Sep - 08 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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