Cheapest return flights from Helsinki to Seoul in September from 609€

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

Return flights

01 Sep - 11 Sep Norwegian Air Sweden AOC
02 Sep - 16 Sep Norwegian Air Sweden AOC
01 Sep - 08 Sep Norwegian Air Sweden AOC
08 Sep - 15 Sep Norwegian Air Sweden AOC
02 Sep - 16 Sep Finnair direct
10 Sep - 17 Sep Finnair direct
01 Sep - 11 Sep Finnair direct
21 Sep - 12 Oct KLM
01 Sep - 12 Sep Finnair direct
01 Sep - 08 Sep Finnair direct
08 Sep - 15 Sep Finnair direct
21 Sep - 12 Oct Finnair direct
22 Sep - 12 Oct Finnair direct
25 Sep - 15 Oct KLM
26 Sep - 16 Oct Qatar Airways
25 Sep - 15 Oct Finnair direct
26 Sep - 16 Oct Finnair direct
25 Sep - 14 Oct Finnair direct
28 Sep - 05 Oct Finnair direct
19 Sep - 05 Oct Qatar Airways

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

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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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