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

Return flights

01 Jun - 15 Jun	Lufthansa
01 Jun - 06 Jun	Scandinavian Airlines
15 Jun - 11 Jul	Juneyao Airlines
02 Jun - 07 Jun	Finnair	direct
01 Jun - 06 Jun	Finnair	direct
21 Jun - 28 Jun	Finnair	direct
15 Jun - 04 Jul	Finnair	direct
14 Jun - 20 Jun	Scandinavian Airlines
14 Jun - 21 Jun	Finnair	direct
18 Jun - 26 Jun	Finnair	direct
14 Jun - 20 Jun	Finnair	direct

Also check the deals for one-way flights from Helsinki to Seoul 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 Helsinki to Seoul in June from 674€

Return flights