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

Return flights

30 Aug - 06 Sep	Virgin Atlantic
31 Aug - 07 Sep	Delta
06 Aug - 13 Aug	Air France
07 Aug - 14 Aug	Air France
05 Aug - 11 Aug	Air France
20 Aug - 25 Aug	Delta
12 Aug - 30 Aug	Delta
01 Aug - 12 Aug	Delta
15 Aug - 30 Aug	Delta
08 Aug - 15 Aug	Air France
14 Aug - 23 Aug	Delta
01 Aug - 23 Aug	Delta
29 Aug - 05 Sep	Virgin Atlantic

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 591€

Return flights