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

Return flights

06 Jul - 13 Jul	KLM
26 Jul - 20 Aug	KLM
12 Jul - 23 Aug	Air France
23 Jul - 26 Jul	Lufthansa
28 Jul - 10 Aug	KLM
28 Jul - 25 Aug	KLM
10 Jul - 17 Jul	Lufthansa
22 Jul - 05 Aug	Lufthansa
01 Jul - 18 Jul	Etihad Airways
28 Jul - 12 Aug	Lufthansa
13 Jul - 20 Jul	Finnair	direct
23 Jul - 26 Jul	Finnair	direct
28 Jul - 10 Aug	Finnair	direct
28 Jul - 12 Aug	Finnair	direct
22 Jul - 05 Aug	Finnair	direct
18 Jul - 28 Jul	Lufthansa
12 Jul - 23 Aug	Finnair	direct
05 Jul - 18 Jul	Etihad Airways
01 Jul - 18 Jul	Finnair	direct
18 Jul - 25 Jul	Lufthansa

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 766€

Return flights