Cheapest return flights from Detroit to Frankfurt in September from $618

AirHint found the following cheapest return flights from Detroit (DTW) to Frankfurt (FRA) in September 2025 (see full year).

Return flights

18 Sep - 24 Sep Spirit Airlines
28 Sep - 04 Oct Spirit Airlines
18 Sep - 25 Sep Icelandair
26 Sep - 11 Oct Spirit Airlines
18 Sep - 25 Sep Lufthansa direct
18 Sep - 24 Sep Air France direct
26 Sep - 11 Oct Lufthansa direct
28 Sep - 04 Oct Air France direct

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

Skyscanner

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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