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

Return flights

19 Aug - 26 Aug	jetBlue
17 Aug - 02 Sep	Air Canada
18 Aug - 27 Aug	British Airways
20 Aug - 26 Aug	British Airways
30 Aug - 07 Sep	Air Canada
23 Aug - 01 Sep	Air Canada
10 Aug - 26 Aug	Air Canada
05 Aug - 19 Aug	British Airways
05 Aug - 04 Sep	British Airways
02 Aug - 13 Aug	Air Canada
02 Aug - 12 Aug	Air Canada
03 Aug - 17 Aug	Air Canada
27 Aug - 10 Sep	British Airways
18 Aug - 24 Aug	British Airways
10 Aug - 16 Aug	Scandinavian Airlines
24 Aug - 07 Sep	British Airways
18 Aug - 22 Sep	Emirates
15 Aug - 21 Sep	Emirates

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 537€

Return flights