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

Return flights

30 Jan - 27 Feb	Lufthansa
15 Jan - 31 Jan	Lufthansa
19 Jan - 01 Feb	Lufthansa
08 Jan - 17 Jan	KLM
25 Jan - 01 Feb	Turkish Airlines
01 Jan - 08 Jan	Air France
16 Jan - 23 Jan	KLM
05 Jan - 14 Jan	Scandinavian Airlines
16 Jan - 22 Jan	Qatar Airways
05 Jan - 18 Jan	Lufthansa
16 Jan - 22 Jan	Finnair	direct
16 Jan - 23 Jan	Finnair	direct
17 Jan - 23 Jan	Finnair	direct
30 Jan - 27 Feb	Finnair	direct
25 Jan - 01 Feb	Finnair	direct
19 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 601€

Return flights