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

Return flights

29 Sep - 08 Oct	Turkish Airlines
30 Sep - 25 Oct	Turkish Airlines
26 Sep - 05 Oct	Turkish Airlines
23 Sep - 18 Oct	Spirit Airlines
26 Sep - 18 Oct	Frontier Airlines
20 Sep - 27 Sep	Frontier Airlines
20 Sep - 11 Oct	Frontier Airlines
19 Sep - 22 Sep	Spirit Airlines
29 Sep - 07 Oct	United	direct
29 Sep - 08 Oct	United	direct
30 Sep - 07 Oct	Lufthansa
30 Sep - 25 Oct	United	direct
23 Sep - 26 Sep	Lufthansa
24 Sep - 27 Sep	Lufthansa
27 Sep - 30 Sep	Lufthansa
25 Sep - 28 Sep	Lufthansa
19 Sep - 26 Sep	Lufthansa
17 Sep - 24 Sep	Lufthansa	direct
18 Sep - 25 Sep	Lufthansa	direct
21 Sep - 28 Sep	Lufthansa	direct

Also check the deals for one-way flights from Houston to Munich in September.

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 September from 626€

Return flights