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

Return flights

07 Sep - 18 Sep	Norwegian Air Sweden AOC
17 Sep - 21 Sep	airBaltic
15 Sep - 19 Sep	airBaltic
24 Sep - 30 Sep	airBaltic
14 Sep - 23 Sep	airBaltic
05 Sep - 12 Sep	airBaltic
07 Sep - 09 Sep	Finnair	direct
08 Sep - 10 Sep	Finnair	direct
09 Sep - 11 Sep	Finnair	direct
10 Sep - 12 Sep	Finnair	direct
29 Sep - 01 Oct	Finnair	direct
30 Sep - 02 Oct	Finnair	direct

Also check the deals for one-way flights from Hamburg 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 Hamburg to Helsinki in September from 156€

Return flights