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

Return flights

03 Dec - 17 Dec	jetBlue
02 Dec - 09 Dec	Lufthansa	direct
03 Dec - 17 Dec	Delta	direct
17 Dec - 10 Jan	Spirit Airlines
16 Dec - 06 Jan	Spirit Airlines
06 Dec - 20 Dec	Icelandair
27 Dec - 17 Jan	Air Canada
17 Dec - 07 Jan	Spirit Airlines
22 Dec - 30 Dec	Air Canada
22 Dec - 09 Jan	Air Canada
06 Dec - 20 Dec	United	direct
27 Dec - 17 Jan	Virgin Atlantic	direct
05 Dec - 27 Dec	Spirit Airlines
15 Dec - 10 Jan	Air France	direct
22 Dec - 07 Jan	Air Canada
05 Dec - 27 Dec	Lufthansa	direct
17 Dec - 13 Jan	Air Canada
22 Dec - 09 Jan	Air France	direct
21 Dec - 30 Dec	Air Canada
21 Dec - 29 Dec	Air Canada

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

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.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt

Cheapest return flights from Detroit to Frankfurt in December from 664€

Return flights