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

Return flights

07 Dec - 05 Jan	British Airways
12 Dec - 16 Jan	TAP
23 Dec - 04 Jan	British Airways
07 Dec - 04 Jan	British Airways
24 Dec - 08 Jan	British Airways
08 Dec - 14 Dec	Aer Lingus
25 Dec - 08 Jan	Delta
23 Dec - 10 Jan	KLM
10 Dec - 15 Dec	TAP
11 Dec - 31 Dec	Lufthansa
03 Dec - 07 Dec	Lufthansa
11 Dec - 29 Dec	Ryanair
26 Dec - 06 Jan	Air France
25 Dec - 06 Jan	Lufthansa
25 Dec - 28 Dec	Scandinavian Airlines
11 Dec - 03 Jan	TAP
13 Dec - 17 Dec	Icelandair
09 Dec - 11 Dec	easyJet
04 Dec - 11 Dec	Scandinavian Airlines
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 $478

Return flights