Cheapest one-way flights from Oslo to Helsinki in April from $53

AirHint found the following cheapest one-way flights from Oslo (OSL) to Helsinki (HEL) in April 2026 (see full year).

One-Way flights

10 Apr Norwegian direct
15 Apr Norwegian direct
05 Apr Norwegian direct
30 Apr Norwegian direct

Also check the deals for return flights from Oslo to Helsinki in April.

Skyscanner

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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