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

Return flights

24 Dec - 31 Dec	British Airways
22 Dec - 04 Jan	British Airways
15 Dec - 31 Dec	United
17 Dec - 22 Jan	Lufthansa
24 Dec - 08 Jan	Lufthansa
24 Dec - 05 Jan	British Airways
24 Dec - 04 Jan	British Airways
11 Dec - 31 Dec	Lufthansa
26 Dec - 08 Jan	SWISS
25 Dec - 08 Jan	SWISS
18 Dec - 22 Jan	British Airways
26 Dec - 07 Jan	SWISS
18 Dec - 06 Jan	British Airways
23 Dec - 30 Dec	British Airways
11 Dec - 29 Dec	Lufthansa
10 Dec - 13 Dec	Scandinavian Airlines
04 Dec - 06 Dec	Iberia
12 Dec - 27 Dec	United
01 Dec - 06 Dec	Austrian Airlines
01 Dec - 04 Dec	Ryanair

Also check the deals for one-way flights from Berlin to Boston 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 Berlin to Boston in December from $476

Return flights