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

Return flights

24 Dec - 15 Jan	Delta
25 Dec - 17 Jan	Air Canada
01 Dec - 06 Dec	Air Canada
09 Dec - 21 Dec	Delta
31 Dec - 24 Jan	Icelandair
30 Dec - 24 Jan	Icelandair
19 Dec - 26 Dec	British Airways
29 Dec - 14 Jan	Delta
15 Dec - 22 Dec	TAP
28 Dec - 03 Jan	Air Canada
26 Dec - 03 Jan	Delta
11 Dec - 13 Dec	TAP
19 Dec - 24 Dec	Air Canada
11 Dec - 03 Jan	Icelandair
18 Dec - 01 Jan	Delta
29 Dec - 04 Jan	British Airways

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 $692

Return flights