Cheapest return flights from Helsinki to Seoul in September from $728

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

Return flights

01 Sep - 16 Sep Turkish Airlines
06 Sep - 16 Sep Turkish Airlines
14 Sep - 21 Sep Turkish Airlines
01 Sep - 15 Sep Turkish Airlines
15 Sep - 27 Sep Turkish Airlines
04 Sep - 13 Sep Turkish Airlines
01 Sep - 10 Sep Turkish Airlines
08 Sep - 22 Sep Finnair direct
15 Sep - 27 Sep Finnair direct
18 Sep - 29 Sep Turkish Airlines
21 Sep - 10 Oct Qatar Airways
21 Sep - 17 Oct Qatar Airways
21 Sep - 06 Oct Scandinavian Airlines

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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