AirHint found the following cheapest return flights from Dortmund (DTM) to Turku (TKU) in September 2025 (see full year).

Return flights

24 Sep - 08 Oct	Wizz Air
22 Sep - 05 Oct	Wizz Air
24 Sep - 05 Oct	Wizz Air
26 Sep - 08 Oct	Wizz Air
24 Sep - 07 Oct	Wizz Air
24 Sep - 06 Oct	Wizz Air
22 Sep - 06 Oct	Wizz Air
26 Sep - 06 Oct	Wizz Air
22 Sep - 07 Oct	Wizz Air
19 Sep - 06 Oct	Wizz Air

Also check the deals for one-way flights from Dortmund to Turku in September.

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 Dortmund to Turku in September from $92

Return flights