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

Return flights

07 Dec - 12 Dec	TAP
08 Dec - 12 Dec	Scandinavian Airlines
11 Dec - 31 Dec	Lufthansa
11 Dec - 29 Dec	Lufthansa
26 Dec - 04 Jan	Scandinavian Airlines
22 Dec - 02 Jan	Scandinavian Airlines
22 Dec - 05 Jan	Scandinavian Airlines
29 Dec - 04 Jan	Scandinavian Airlines
01 Dec - 04 Dec	Ryanair
23 Dec - 25 Dec	TAP
20 Dec - 03 Jan	Scandinavian Airlines
19 Dec - 04 Jan	Delta
20 Dec - 02 Jan	Scandinavian Airlines
25 Dec - 03 Jan	KLM
19 Dec - 02 Jan	Ryanair
22 Dec - 24 Dec	TAP
20 Dec - 21 Dec	British Airways
19 Dec - 03 Jan	KLM

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 $536

Return flights