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

Return flights

04 Nov - 19 Nov	Scandinavian Airlines
02 Nov - 12 Nov	Scandinavian Airlines
06 Nov - 12 Nov	Scandinavian Airlines
03 Nov - 17 Nov	Qatar Airways
04 Nov - 18 Nov	Lufthansa
03 Nov - 12 Nov	Qatar Airways
05 Nov - 19 Nov	Qatar Airways
10 Nov - 23 Nov	Air France
10 Nov - 23 Nov	Finnair	direct
10 Nov - 24 Nov	Air France

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

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 November from 601€

Return flights