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

Return flights

05 Dec - 13 Dec	Spirit Airlines
07 Dec - 05 Jan	Spirit Airlines
05 Dec - 13 Dec	United	direct
15 Dec - 10 Jan	Spirit Airlines
13 Dec - 11 Jan	Air Canada
05 Dec - 19 Dec	United
11 Dec - 20 Dec	United	direct
05 Dec - 08 Dec	Lufthansa
12 Dec - 15 Dec	Lufthansa
04 Dec - 07 Dec	Lufthansa
11 Dec - 14 Dec	Lufthansa
12 Dec - 03 Jan	Spirit Airlines
13 Dec - 03 Jan	Spirit Airlines
19 Dec - 07 Jan	Spirit Airlines
24 Dec - 05 Jan	United
22 Dec - 01 Jan	Lufthansa
10 Dec - 05 Jan	United
20 Dec - 30 Dec	American Airlines
19 Dec - 04 Jan	Spirit Airlines
07 Dec - 10 Dec	Lufthansa

Also check the deals for one-way flights from Houston 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 Houston to Munich in December from $661

Return flights