AirHint found the following cheapest return flights from Helsinki (HEL) to Seoul (ICN) in July 2025 (see full year).

Return flights

05 Jul - 17 Jul	Turkish Airlines
07 Jul - 15 Jul	Qatar Airways
06 Jul - 15 Jul	Qatar Airways
21 Jul - 04 Aug	Finnair	direct
06 Jul - 29 Jul	Qatar Airways
08 Jul - 29 Jul	Qatar Airways
17 Jul - 21 Jul	Turkish Airlines
03 Jul - 15 Jul	Pegasus Airlines
20 Jul - 31 Jul	Turkish Airlines
14 Jul - 19 Jul	Finnair	direct
14 Jul - 17 Jul	Turkish Airlines
25 Jul - 12 Aug	Finnair
28 Jul - 01 Aug	Qatar Airways
21 Jul - 01 Aug	Qatar Airways
21 Jul - 01 Aug	Finnair	direct
30 Jul - 03 Aug	Finnair	direct
28 Jul - 01 Aug	Finnair	direct

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

Return flights