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

Return flights

14 Oct - 08 Nov	Spirit Airlines
21 Oct - 29 Oct	Condor
25 Oct - 02 Nov	Spirit Airlines
27 Oct - 02 Nov	Spirit Airlines
22 Oct - 29 Oct	Spirit Airlines
08 Oct - 01 Nov	Spirit Airlines
30 Oct - 06 Nov	Icelandair
20 Oct - 31 Oct	Condor
16 Oct - 30 Oct	Condor
06 Oct - 20 Oct	Condor
08 Oct - 19 Oct	Spirit Airlines
07 Oct - 16 Oct	Spirit Airlines
17 Oct - 19 Oct	Spirit Airlines
01 Oct - 06 Oct	Condor
01 Oct - 09 Oct	Delta	direct
14 Oct - 08 Nov	Lufthansa	direct
30 Oct - 06 Nov	Lufthansa	direct
27 Oct - 02 Nov	Lufthansa	direct
25 Oct - 02 Nov	Lufthansa	direct
08 Oct - 01 Nov	Lufthansa	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 $536

Return flights