AirHint found the following cheapest one-way flights from Helsinki (HEL) to Seoul (ICN) in September 2026 (see full year).
One-Way flights
| 19 Sep | Finnair | ||
| 20 Sep | Pegasus Airlines | ||
| 13 Sep | Pegasus Airlines | ||
| 09 Sep | Finnair | ||
| 03 Sep | Ryanair | ||
| 14 Sep | Pegasus Airlines | ||
| 17 Sep | Ryanair | ||
| 07 Sep | Finnair | ||
| 22 Sep | Finnair | ||
| 02 Sep | Scandinavian Airlines |
Also check the deals for return flights from Helsinki to Seoul in September.
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