AirHint found the following cheapest return flights from Chicago (MDW) to Athens (ATH) in August 2026 (see full year).

Return flights

17 Aug - 03 Sep	Delta
25 Aug - 10 Sep	Delta
28 Aug - 07 Sep	Air France
21 Aug - 07 Sep	Air France
29 Aug - 07 Sep	Delta
04 Aug - 11 Aug	Delta
06 Aug - 13 Aug	Air France
03 Aug - 10 Aug	Air France
23 Aug - 30 Aug	Air France
22 Aug - 29 Aug	Air France
21 Aug - 31 Aug	Air France
05 Aug - 12 Aug	Condor
21 Aug - 12 Sep	Delta
16 Aug - 30 Sep	Delta
20 Aug - 12 Sep	Air France

Also check the deals for one-way flights from Chicago to Athens in August.

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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Cheapest return flights from Chicago to Athens in August from $905

Return flights