AirHint found the following cheapest one-way flights from Porto (OPO) to Oslo (OSL) in March 2026 (see full year).
One-Way flights
| 25 Mar | Norwegian | direct | |
| 30 Mar | Norwegian | direct | |
| 23 Mar | Ryanair | ||
| 21 Mar | Vueling Airlines | ||
| 09 Mar | Ryanair | ||
| 27 Mar | Ryanair |
Also check the deals for return flights from Porto 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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