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

Return flights

13 Jan - 26 Jan	Scandinavian Airlines
20 Jan - 02 Feb	Scandinavian Airlines
18 Jan - 30 Jan	Scandinavian Airlines
07 Jan - 26 Jan	Lufthansa
19 Jan - 30 Jan	Qatar Airways
13 Jan - 26 Jan	Finnair	direct
07 Jan - 26 Jan	Finnair	direct
05 Jan - 18 Jan	Turkish Airlines
05 Jan - 18 Jan	Finnair	direct
18 Jan - 30 Jan	Finnair	direct
19 Jan - 30 Jan	Finnair	direct
20 Jan - 02 Feb	Finnair	direct

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

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 Helsinki to Seoul in January from $639

Return flights