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

Return flights

01 Mar - 13 Mar	Lufthansa
01 Mar - 15 Mar	Lufthansa
03 Mar - 12 Mar	Turkish Airlines
16 Mar - 29 Mar	Turkish Airlines
16 Mar - 29 Mar	Finnair	direct
03 Mar - 12 Mar	Finnair	direct
01 Mar - 15 Mar	Finnair	direct
01 Mar - 13 Mar	Finnair	direct
24 Mar - 15 Apr	Lufthansa
24 Mar - 15 Apr	Finnair	direct
31 Mar - 21 Apr	Finnair	direct
08 Mar - 25 Mar	Turkish Airlines
08 Mar - 13 Mar	Finnair
28 Mar - 05 Apr	Lufthansa
28 Mar - 05 Apr	Finnair	direct

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

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Helsinki to Seoul in March from $721

Return flights