AirHint found the following cheapest return flights from Duesseldorf (DUS) to Helsinki (HEL) in May 2026 (see full year).

Return flights

02 May - 05 May	Lufthansa
07 May - 12 May	Lufthansa
08 May - 12 May	Lufthansa
08 May - 10 May	KLM
07 May - 10 May	KLM
07 May - 11 May	KLM
21 May - 25 May	KLM
08 May - 11 May	KLM
09 May - 20 May	KLM
01 May - 04 May	KLM
28 May - 01 Jun	Scandinavian Airlines
28 May - 01 Jun	Finnair	direct

Also check the deals for one-way flights from Duesseldorf to Helsinki in May.

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 Duesseldorf to Helsinki in May from 187€

Return flights