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

Return flights

10 Mar - 17 Mar	Lufthansa
03 Mar - 17 Mar	Lufthansa
03 Mar - 10 Mar	Lufthansa
06 Mar - 08 Mar	Lufthansa
02 Mar - 08 Mar	Lufthansa
09 Mar - 16 Mar	Lufthansa
07 Mar - 10 Mar	Lufthansa
09 Mar - 19 Mar	Lufthansa
22 Mar - 26 Mar	Etihad Airways
12 Mar - 23 Mar	KLM
25 Mar - 03 Apr	Scandinavian Airlines
30 Mar - 10 Apr	Scandinavian Airlines
25 Mar - 02 Apr	Scandinavian Airlines
25 Mar - 04 Apr	Etihad Airways
26 Mar - 02 Apr	Lufthansa
26 Mar - 04 Apr	China Southern
25 Mar - 02 Apr	Finnair	direct
26 Mar - 02 Apr	Finnair	direct
30 Mar - 10 Apr	Finnair	direct
25 Mar - 03 Apr	Finnair	direct

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

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 March from $582

Return flights