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

Return flights

01 Dec - 07 Dec	TAP
10 Dec - 24 Dec	Icelandair
31 Dec - 24 Jan	Icelandair
10 Dec - 17 Dec	Icelandair
12 Dec - 22 Dec	Icelandair
17 Dec - 10 Jan	TAP
24 Dec - 11 Jan	TAP
03 Dec - 27 Dec	ITA Airways
01 Dec - 27 Dec	TAP
22 Dec - 02 Jan	TAP
12 Dec - 28 Dec	Air Canada
16 Dec - 23 Dec	Icelandair
21 Dec - 10 Jan	Aer Lingus
26 Dec - 28 Jan	Air Canada
31 Dec - 24 Jan	Lufthansa	direct
23 Dec - 11 Jan	Frontier Airlines
24 Dec - 07 Jan	Icelandair
17 Dec - 23 Dec	Icelandair
26 Dec - 28 Jan	Lufthansa	direct
13 Dec - 28 Dec	TAP

Also check the deals for one-way flights from Boston to Munich 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 Boston to Munich in December from $448

Return flights