AirHint found the following cheapest one-way flights from Helsinki (HEL) to Seoul (ICN) in December 2025 (see full year).
One-Way flights
| 09 Dec | Finnair | ||
| 08 Dec | Turkish Airlines | ||
| 16 Dec | Finnair | ||
| 25 Dec | Eurowings | ||
| 15 Dec | Ryanair | ||
| 17 Dec | Finnair | ||
| 23 Dec | Ryanair | ||
| 04 Dec | Finnair | direct | |
| 09 Dec | Finnair | direct | |
| 07 Dec | Finnair | direct |
Also check the deals for return flights from Helsinki to Seoul in December.
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