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

Return flights

20 Jan - 01 Feb	Lufthansa
19 Jan - 26 Jan	Qatar Airways
30 Jan - 06 Feb	Turkish Airlines
30 Jan - 01 Feb	Turkish Airlines
13 Jan - 26 Jan	Finnair	direct
30 Jan - 06 Feb	Finnair	direct
30 Jan - 01 Feb	Finnair	direct
20 Jan - 01 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 612€

Return flights