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

Return flights

06 Mar - 09 Mar	Lufthansa
05 Mar - 09 Mar	Lufthansa
12 Mar - 17 Mar	Lufthansa
01 Mar - 08 Mar	Lufthansa
11 Mar - 19 Mar	Air France
01 Mar - 09 Mar	Lufthansa
04 Mar - 15 Mar	Lufthansa
20 Mar - 24 Mar	KLM
11 Mar - 09 Apr	Lufthansa
08 Mar - 12 Mar	Lufthansa
28 Mar - 12 Apr	Lufthansa
07 Mar - 14 Mar	Lufthansa
28 Mar - 07 Apr	Lufthansa
30 Mar - 08 Apr	Lufthansa
02 Mar - 04 Apr	Lufthansa
11 Mar - 09 Apr	Finnair	direct
02 Mar - 04 Apr	Finnair	direct
25 Mar - 04 Apr	T'way Air

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Cheapest return flights from Seoul to Helsinki in March from 494€

Return flights