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

Return flights

16 Oct - 27 Oct	Icelandair
06 Oct - 20 Oct	Icelandair
16 Oct - 26 Oct	Icelandair
09 Oct - 23 Oct	Icelandair
01 Oct - 09 Oct	Delta	direct
17 Oct - 27 Oct	Turkish Airlines
06 Oct - 20 Oct	Air France	direct
09 Oct - 23 Oct	Air France	direct
17 Oct - 26 Oct	jetBlue
16 Oct - 27 Oct	Delta	direct

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

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 Detroit to Frankfurt in October from $608

Return flights