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

Return flights

06 Jul - 21 Jul	KLM
22 Jul - 12 Aug	KLM
23 Jul - 26 Jul	Scandinavian Airlines
09 Jul - 15 Jul	Scandinavian Airlines
01 Jul - 08 Jul	Scandinavian Airlines
02 Jul - 09 Jul	KLM
25 Jul - 07 Aug	Air France
28 Jul - 08 Aug	Lufthansa
02 Jul - 09 Jul	Finnair	direct
23 Jul - 26 Jul	Finnair	direct
22 Jul - 12 Aug	Finnair	direct
20 Jul - 27 Jul	Lufthansa
06 Jul - 21 Jul	Finnair	direct
25 Jul - 08 Aug	Air France
31 Jul - 08 Aug	KLM

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

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 July from $864

Return flights