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

Return flights

10 Sep - 17 Sep	United	direct
09 Sep - 16 Sep	Air Canada
29 Sep - 07 Oct	United	direct
17 Sep - 23 Sep	United
12 Sep - 19 Sep	United
11 Sep - 26 Sep	United
15 Sep - 22 Sep	British Airways
15 Sep - 22 Sep	United	direct
13 Sep - 20 Sep	Spirit Airlines
13 Sep - 20 Sep	United	direct
26 Sep - 05 Oct	Spirit Airlines
19 Sep - 04 Oct	Brussels Airlines
26 Sep - 05 Oct	United	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 $650

Return flights