Cheapest one-way flights from Detroit to Helsinki in October from $473

Best time to book flights for Detroit (DTW) to Helsinki (HEL) flights at AirHint

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.

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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