AirHint found the following cheapest one-way flights from Oslo (OSL) to Porto (OPO) in July 2026 (see full year).
One-Way flights
| 10 Jul | Iberia | ||
| 12 Jul | Ryanair | ||
| 08 Jul | Vueling Airlines | ||
| 13 Jul | Iberia | ||
| 13 Jul | Norwegian | direct | |
| 10 Jul | Norwegian | direct | |
| 08 Jul | Norwegian | direct |
Also check the deals for return flights from Oslo to Porto in July.
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