AirHint found the following cheapest one-way flights from Seoul (ICN) to Helsinki (HEL) in September 2026 (see full year).
One-Way flights
| 01 Sep | Vietnam Airlines | ||
| 18 Sep | KLM | ||
| 18 Sep | Finnair | direct | |
| 04 Sep | Scandinavian Airlines |
Also check the deals for return flights from Seoul to Helsinki in September.
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