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

Return flights

11 Dec - 14 Dec	TAP
10 Dec - 14 Dec	TAP
11 Dec - 13 Dec	TAP
29 Dec - 14 Jan	Lufthansa
29 Dec - 09 Jan	Lufthansa
09 Dec - 21 Dec	Air Canada
28 Dec - 08 Jan	SWISS
25 Dec - 17 Jan	United
15 Dec - 22 Dec	SWISS
03 Dec - 10 Dec	Scandinavian Airlines
06 Dec - 13 Dec	Icelandair
12 Dec - 19 Dec	Icelandair
30 Dec - 06 Jan	Icelandair
18 Dec - 01 Jan	Aer Lingus
19 Dec - 26 Dec	Aer Lingus
26 Dec - 02 Jan	Lufthansa
26 Dec - 03 Jan	SWISS
25 Dec - 01 Jan	Icelandair
19 Dec - 12 Jan	Icelandair
19 Dec - 24 Dec	Turkish 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.

Book a cheap hotel in Berlin

Cheap car rent in Berlin

Cheapest return flights from Washington to Berlin in December from $437

Return flights