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

Return flights

11 Jan - 21 Jan	Ryanair
20 Jan - 30 Jan	Ryanair
16 Jan - 30 Jan	Ryanair
06 Jan - 03 Feb	airBaltic
15 Jan - 22 Jan	KLM
20 Jan - 30 Jan	Finnair	direct
11 Jan - 21 Jan	Finnair	direct
15 Jan - 22 Jan	Finnair	direct
06 Jan - 03 Feb	Finnair	direct
01 Jan - 12 Jan	Finnair	direct
16 Jan - 30 Jan	Finnair	direct
01 Jan - 13 Jan	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 $669

Return flights