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

Return flights

03 Dec - 17 Dec	TAP
06 Dec - 13 Dec	Scandinavian Airlines
04 Dec - 11 Dec	Scandinavian Airlines
03 Dec - 11 Dec	Frontier Airlines
03 Dec - 10 Dec	LOT
03 Dec - 12 Dec	LOT
13 Dec - 11 Jan	Frontier Airlines
04 Dec - 13 Dec	LOT
02 Dec - 15 Dec	LOT
01 Dec - 08 Dec	Scandinavian Airlines
28 Dec - 11 Jan	Scandinavian Airlines
15 Dec - 10 Jan	Spirit Airlines
10 Dec - 19 Dec	Icelandair
19 Dec - 18 Jan	Spirit Airlines
26 Dec - 04 Jan	LOT
29 Dec - 06 Jan	Lufthansa
26 Dec - 01 Jan	LOT
18 Dec - 01 Jan	Spirit Airlines
29 Dec - 05 Jan	Lufthansa
31 Dec - 07 Jan	Lufthansa

Also check the deals for one-way flights from Chicago 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 Chicago to Munich in December from 554€

Return flights