AirHint found the following cheapest one-way flights from Helsinki (HEL) to Seoul (ICN) in April 2026 (see full year).
One-Way flights
| 16 Apr | Ryanair | ||
| 12 Apr | Ryanair | ||
| 06 Apr | Finnair | ||
| 20 Apr | Ryanair | ||
| 07 Apr | Norwegian Air Sweden AOC | ||
| 22 Apr | Ryanair | ||
| 13 Apr | Ryanair | ||
| 09 Apr | Ryanair | ||
| 10 Apr | Ryanair | ||
| 28 Apr | Finnair |
Also check the deals for return flights from Helsinki to Seoul in April.
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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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