AirHint found the following cheapest return flights from Seoul (ICN) to Helsinki (HEL) in October 2026 (see full year).
Return flights
| 20 Oct - 28 Oct | Lufthansa | ||
| 25 Oct - 30 Oct | Lufthansa | ||
| 20 Oct - 28 Oct | Finnair | direct | |
| 25 Oct - 31 Oct | Finnair | direct |
Also check the deals for one-way flights from Seoul to Helsinki in October.
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