AirHint found the following cheapest return flights from Washington (DCA) to Athens (ATH) in August 2025 (see full year).

Return flights

31 Aug - 12 Sep	jetBlue
28 Aug - 11 Sep	jetBlue
20 Aug - 28 Aug	Air Canada
18 Aug - 27 Aug	jetBlue
18 Aug - 26 Aug	Scandinavian Airlines
19 Aug - 26 Aug	jetBlue
17 Aug - 02 Sep	jetBlue
08 Aug - 28 Aug	Air Canada
20 Aug - 27 Aug	United
02 Aug - 13 Aug	jetBlue
01 Aug - 14 Aug	jetBlue
20 Aug - 26 Aug	Scandinavian Airlines
06 Aug - 20 Aug	jetBlue
27 Aug - 01 Sep	Scandinavian Airlines
28 Aug - 09 Sep	jetBlue
07 Aug - 02 Sep	Air Canada
23 Aug - 01 Sep	Scandinavian Airlines
22 Aug - 01 Sep	Scandinavian Airlines
25 Aug - 08 Sep	British Airways
05 Aug - 04 Sep	British Airways

Also check the deals for one-way flights from Washington 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 Washington to Athens in August from $554

Return flights