AirHint found the following cheapest return flights from Berlin (BER) to Helsinki (HEL) in September 2026 (see full year).

Return flights

01 Sep - 30 Sep	Norwegian Air Sweden AOC
01 Sep - 08 Sep	Norwegian Air Sweden AOC
08 Sep - 15 Sep	Norwegian Air Sweden AOC
11 Sep - 14 Sep	Eurowings	direct
01 Sep - 30 Sep	Finnair	direct
17 Sep - 25 Sep	airBaltic
01 Sep - 01 Sep	Scandinavian Airlines
01 Sep - 08 Sep	Finnair	direct
01 Sep - 01 Sep	Finnair	direct
17 Sep - 25 Sep	Finnair	direct

Also check the deals for one-way flights from Berlin to Helsinki 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 Berlin to Helsinki in September from 137€

Return flights