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

Return flights

15 Dec - 14 Jan	Spirit Airlines
03 Dec - 10 Dec	WestJet
08 Dec - 12 Jan	Spirit Airlines
04 Dec - 11 Dec	Frontier Airlines
11 Dec - 25 Dec	Spirit Airlines
14 Dec - 05 Jan	Frontier Airlines
12 Dec - 25 Dec	Spirit Airlines
25 Dec - 05 Jan	Spirit Airlines
27 Dec - 01 Jan	Frontier Airlines
20 Dec - 30 Dec	Frontier Airlines
20 Dec - 05 Jan	Frontier Airlines
18 Dec - 04 Jan	Spirit Airlines
19 Dec - 04 Jan	Spirit Airlines
20 Dec - 27 Dec	Frontier Airlines
20 Dec - 03 Jan	Frontier Airlines
21 Dec - 26 Dec	Frontier Airlines
18 Dec - 21 Dec	Frontier Airlines
28 Dec - 04 Jan	Lufthansa	direct
08 Dec - 11 Dec	Lufthansa
09 Dec - 12 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 $743

Return flights