Cheapest return flights from Chicago to Athens in September from 550€

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

Return flights

30 Sep - 15 Oct Delta
16 Sep - 24 Sep Delta
29 Sep - 14 Oct Delta
09 Sep - 25 Sep Frontier Airlines
08 Sep - 24 Sep Delta
09 Sep - 10 Oct Delta
07 Sep - 19 Sep Delta
07 Sep - 14 Sep Delta
08 Sep - 04 Oct Frontier Airlines
25 Sep - 28 Sep Frontier Airlines
12 Sep - 29 Sep Frontier Airlines
30 Sep - 02 Oct Virgin Atlantic
15 Sep - 11 Oct Air France
21 Sep - 25 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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