Cheapest return flights from Detroit to Frankfurt in September from $690

Best time to book flights for Detroit (DTW) to Frankfurt (FRA) flights at AirHint

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

Return flights

25 Sep - 09 Oct Turkish Airlines
22 Sep - 06 Oct Icelandair
06 Sep - 13 Sep Condor
17 Sep - 24 Sep Lufthansa direct
22 Sep - 06 Oct Air France direct
25 Sep - 09 Oct Air France direct
06 Sep - 13 Sep 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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