AirHint found the following cheapest one-way flights from Oslo (OSL) to Helsinki (HEL) in April 2026 (see full year).
One-Way flights
| 23 Apr | Norwegian | direct | |
| 27 Apr | Norwegian | direct | |
| 09 Apr | Norwegian | direct | |
| 13 Apr | Wizz Air | ||
| 20 Apr | Wizz Air | ||
| 19 Apr | airBaltic | ||
| 24 Apr | airBaltic | ||
| 25 Apr | airBaltic | ||
| 26 Apr | airBaltic | ||
| 03 Apr | Norwegian | direct |
Also check the deals for return flights from Oslo 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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