Cheapest one-way flights from Detroit to Helsinki in October from $473
AirHint found the following cheapest one-way flights from Detroit (DTW) to Helsinki (HEL) in October 2025 (see full year).
One-Way flights
| 01 Oct | American Airlines | ||
| 11 Oct | American Airlines | ||
| 10 Oct | American Airlines |
Also check the deals for return flights from Detroit to Helsinki 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.
