Cheapest return flights from Copenhagen to Helsinki in September from $108

AirHint found the following cheapest return flights from Copenhagen (CPH) to Helsinki (HEL) in September 2025 (see full year).

Return flights

21 Sep - 24 Sep Scandinavian Airlines direct
19 Sep - 23 Sep Scandinavian Airlines direct
15 Sep - 20 Sep Scandinavian Airlines direct
19 Sep - 29 Sep Norwegian Air Sweden AOC direct
20 Sep - 25 Sep Scandinavian Airlines direct
19 Sep - 22 Sep Norwegian Air Sweden AOC direct
26 Sep - 29 Sep Norwegian Air Sweden AOC direct
17 Sep - 20 Sep Scandinavian Airlines direct
18 Sep - 22 Sep Scandinavian Airlines direct
19 Sep - 21 Sep Norwegian Air Sweden AOC
29 Sep - 08 Oct Norwegian Air Sweden AOC direct
29 Sep - 01 Oct Norwegian Air Sweden AOC direct
22 Sep - 08 Oct Norwegian Air Sweden AOC direct
22 Sep - 01 Oct Norwegian Air Sweden AOC direct
19 Sep - 08 Oct Norwegian Air Sweden AOC direct
19 Sep - 01 Oct Norwegian Air Sweden AOC direct
17 Sep - 01 Oct Norwegian Air Sweden AOC direct
26 Sep - 08 Oct Norwegian Air Sweden AOC direct
26 Sep - 01 Oct Norwegian Air Sweden AOC direct
24 Sep - 08 Oct Norwegian Air Sweden AOC direct

Also check the deals for one-way flights from Copenhagen to Helsinki in September.

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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