AirHint found the following cheapest one-way flights from Oulu (OUL) to Helsinki (HEL) in January 2026 (see full year).
One-Way flights
| 11 Jan | Finnair | direct | |
| 05 Jan | Finnair | direct | |
| 24 Jan | Finnair | direct | |
| 15 Jan | Finnair | direct | |
| 01 Jan | Finnair | direct |
Also check the deals for return flights from Oulu to Helsinki in January.
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