AirHint found the following cheapest one-way flights from Helsinki (HEL) to Oslo (OSL) in March 2026 (see full year).
One-Way flights
| 26 Mar | Norwegian | direct | |
| 31 Mar | Norwegian | direct | |
| 25 Mar | airBaltic | ||
| 08 Mar | airBaltic | ||
| 16 Mar | Norwegian | direct | |
| 27 Mar | airBaltic | ||
| 10 Mar | airBaltic | ||
| 11 Mar | airBaltic | ||
| 14 Mar | airBaltic | ||
| 13 Mar | airBaltic |
Also check the deals for return flights from Helsinki to Oslo in March.
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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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