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

Return flights

15 Dec - 14 Jan	KLM
15 Dec - 13 Jan	KLM
06 Dec - 08 Dec	TAP
25 Dec - 12 Jan	TAP
24 Dec - 14 Jan	KLM
25 Dec - 14 Jan	KLM
23 Dec - 11 Jan	KLM
16 Dec - 30 Dec	Lufthansa
11 Dec - 31 Dec	Lufthansa
22 Dec - 11 Jan	KLM
20 Dec - 09 Jan	Austrian Airlines
20 Dec - 23 Jan	Austrian Airlines
11 Dec - 29 Dec	Lufthansa
10 Dec - 12 Dec	Ryanair
29 Dec - 19 Jan	KLM
21 Dec - 29 Dec	Austrian Airlines
03 Dec - 07 Dec	Lufthansa
06 Dec - 13 Dec	Scandinavian Airlines
15 Dec - 22 Dec	KLM
05 Dec - 12 Dec	Scandinavian Airlines

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 443€

Return flights