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

Return flights

21 Jan - 30 Jan	Lufthansa
01 Jan - 08 Jan	Lufthansa
14 Jan - 22 Jan	Lufthansa
28 Jan - 10 Feb	Lufthansa
14 Jan - 23 Jan	Lufthansa
28 Jan - 06 Feb	Lufthansa
28 Jan - 03 Feb	Lufthansa
21 Jan - 18 Feb	Lufthansa
13 Jan - 22 Jan	Lufthansa
23 Jan - 30 Jan	Lufthansa
18 Jan - 27 Jan	Lufthansa
16 Jan - 23 Jan	Lufthansa
14 Jan - 24 Jan	Lufthansa
14 Jan - 21 Jan	Lufthansa
31 Jan - 07 Feb	Lufthansa
22 Jan - 01 Feb	Etihad Airways
22 Jan - 01 Feb	Finnair	direct
21 Jan - 18 Feb	Finnair	direct

Also check the deals for one-way flights from Seoul to Helsinki 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 Seoul to Helsinki in January from $579

Return flights