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

Return flights

05 Dec - 11 Dec	Air Canada
05 Dec - 08 Dec	Air Canada
05 Dec - 10 Dec	Air Canada
09 Dec - 16 Dec	Scandinavian Airlines
05 Dec - 09 Dec	Air Canada
08 Dec - 10 Dec	Air Canada
07 Dec - 10 Dec	Air Canada
08 Dec - 11 Dec	Air Canada
07 Dec - 09 Dec	Air Canada
07 Dec - 11 Dec	jetBlue
10 Dec - 18 Jan	Scandinavian Airlines
29 Dec - 06 Jan	jetBlue
24 Dec - 08 Jan	Scandinavian Airlines
28 Dec - 17 Jan	Scandinavian Airlines
28 Dec - 05 Jan	jetBlue
29 Dec - 05 Jan	jetBlue
17 Dec - 05 Jan	Air Canada
26 Dec - 09 Jan	Iberia
24 Dec - 01 Jan	jetBlue
18 Dec - 05 Jan	Air Canada

Also check the deals for one-way flights from Washington to Athens in December.

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 December from $698

Return flights