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

Return flights

09 Jun - 16 Jun	Lufthansa
08 Jun - 16 Jun	Lufthansa
23 Jun - 14 Jul	Lufthansa
30 Jun - 07 Jul	Lufthansa
02 Jun - 24 Jun	Scandinavian Airlines
09 Jun - 24 Jun	Scandinavian Airlines
09 Jun - 30 Jun	Scandinavian Airlines
12 Jun - 21 Jun	KLM
20 Jun - 27 Jun	Lufthansa
12 Jun - 26 Jun	Scandinavian Airlines
24 Jun - 26 Jun	Lufthansa
08 Jun - 16 Jun	Finnair	direct
23 Jun - 14 Jul	Finnair	direct
30 Jun - 07 Jul	Finnair	direct

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

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 June from $671

Return flights