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

Return flights

10 Mar - 25 Mar	Ryanair
09 Mar - 25 Mar	Ryanair
04 Mar - 15 Mar	Ryanair
10 Mar - 20 Mar	Ryanair
18 Mar - 30 Mar	Ryanair
03 Mar - 13 Mar	Ryanair
09 Mar - 16 Mar	Juneyao Airlines
16 Mar - 25 Mar	Ryanair
17 Mar - 30 Mar	Ryanair
20 Mar - 29 Mar	Ryanair
16 Mar - 04 Apr	Ryanair
16 Mar - 04 Apr	Finnair	direct
23 Mar - 07 Apr	Finnair
30 Mar - 14 Apr	Finnair
16 Mar - 05 Apr	Ryanair
20 Mar - 06 Apr	Ryanair
22 Mar - 05 Apr	Juneyao Airlines
23 Mar - 08 Apr	Finnair
30 Mar - 15 Apr	Finnair
24 Mar - 01 Apr	Juneyao Airlines

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.

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Cheapest return flights from Helsinki to Seoul in March from $552

Return flights