AirHint found the following cheapest one-way flights from Helsinki (HEL) to Seoul (ICN) in May 2026 (see full year).
One-Way flights
| 27 May | Ryanair | ||
| 23 May | Finnair | ||
| 10 May | Ryanair | ||
| 21 May | China Southern | ||
| 14 May | China Southern | ||
| 27 May | Finnair | direct | |
| 21 May | Finnair | direct | |
| 14 May | Finnair | direct | |
| 29 May | Finnair | direct | |
| 10 May | Finnair | direct |
Also check the deals for return flights from Helsinki to Seoul in May.
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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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