AirHint found the following cheapest return flights from Oulu (OUL) to Helsinki (HEL) in April 2026 (see full year).
Return flights
| 05 Apr - 12 Apr | Finnair | direct | |
| 11 Apr - 26 Apr | Finnair | direct | |
| 02 Apr - 06 Apr | Finnair | direct | |
| 18 Apr - 19 Apr | Finnair | direct | |
| 17 Apr - 19 Apr | Finnair | direct | |
| 18 Apr - 04 May | Finnair | direct |
Also check the deals for one-way flights from Oulu to Helsinki in April.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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