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

Return flights

30 Dec - 11 Jan	Delta
18 Dec - 28 Dec	Air Canada
26 Dec - 05 Jan	Finnair
22 Dec - 29 Dec	United
26 Dec - 02 Jan	Air Canada
12 Dec - 19 Dec	United
18 Dec - 01 Jan	Icelandair
21 Dec - 04 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Washington to Berlin 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 Berlin in December from $612

Return flights