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

Return flights

30 Dec - 07 Jan	Spirit Airlines
31 Dec - 07 Jan	Spirit Airlines
04 Dec - 11 Dec	Spirit Airlines
03 Dec - 10 Dec	WestJet
11 Dec - 25 Dec	Spirit Airlines
12 Dec - 25 Dec	Spirit Airlines
14 Dec - 04 Jan	Frontier Airlines
17 Dec - 07 Jan	Spirit Airlines
28 Dec - 04 Jan	Frontier Airlines
20 Dec - 30 Dec	Frontier Airlines
20 Dec - 27 Dec	Frontier Airlines
18 Dec - 04 Jan	Frontier Airlines
20 Dec - 05 Jan	Frontier Airlines
18 Dec - 21 Dec	Spirit Airlines
20 Dec - 02 Jan	Frontier Airlines
21 Dec - 02 Jan	Frontier Airlines
08 Dec - 11 Dec	Lufthansa
09 Dec - 12 Dec	Lufthansa
07 Dec - 10 Dec	Lufthansa
28 Dec - 04 Jan	Lufthansa	direct

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 $892

Return flights