Cheapest return HOU–FRA flights, September

AirHint found the following cheapest return flights from Houston (HOU) to Frankfurt (FRA) in September 2026 (see full year).

Return flights

23 Sep - 07 Oct Spirit Airlines
28 Sep - 05 Oct Air France
01 Sep - 16 Sep Air France
01 Sep - 08 Oct Delta
20 Sep - 04 Oct Spirit Airlines
28 Sep - 04 Oct Air France
28 Sep - 03 Oct Air France
12 Sep - 19 Sep Air France
01 Sep - 16 Sep Lufthansa direct
23 Sep - 07 Oct Lufthansa direct
28 Sep - 05 Oct Lufthansa direct
20 Sep - 04 Oct Lufthansa direct
12 Sep - 19 Sep Lufthansa direct
28 Sep - 04 Oct Lufthansa direct

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

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