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

Return flights

10 Dec - 17 Dec	TAP
03 Dec - 15 Dec	TAP
05 Dec - 11 Dec	TAP
07 Dec - 13 Dec	TAP
15 Dec - 29 Dec	TAP
10 Dec - 17 Dec	Lufthansa	direct
03 Dec - 10 Dec	United	direct
26 Dec - 17 Jan	Icelandair
12 Dec - 13 Dec	Frontier Airlines
03 Dec - 15 Dec	Lufthansa	direct
26 Dec - 17 Jan	United	direct
05 Dec - 11 Dec	Lufthansa	direct
17 Dec - 10 Jan	Aer Lingus
12 Dec - 03 Jan	Frontier Airlines
20 Dec - 10 Jan	Scandinavian Airlines
18 Dec - 10 Jan	Icelandair
19 Dec - 10 Jan	Icelandair
18 Dec - 01 Jan	Icelandair
17 Dec - 10 Jan	United	direct
18 Dec - 10 Jan	United	direct

Also check the deals for one-way flights from Washington 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 Washington to Munich in December from 374€

Return flights