Cheapest return flights from Helsinki to Seoul in September from $714

Best time to book flights for Helsinki (HEL) to Seoul (ICN) flights at AirHint

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

Return flights

04 Sep - 13 Sep Turkish Airlines
25 Sep - 14 Oct KLM
01 Sep - 10 Sep Qatar Airways
04 Sep - 13 Sep Finnair direct
01 Sep - 17 Sep Lufthansa
03 Sep - 21 Sep Finnair direct
15 Sep - 20 Sep Turkish Airlines
25 Sep - 14 Oct Finnair direct
15 Sep - 20 Sep Finnair direct
06 Sep - 17 Sep Etihad Airways
01 Sep - 10 Sep Finnair direct
01 Sep - 17 Sep Finnair direct
21 Sep - 05 Oct Finnair direct
22 Sep - 05 Oct Finnair direct

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