AirHint found the following cheapest return flights from Riyadh (RUH) to Porto (OPO) in December 2025 (see full year).
Return flights
| 21 Dec - 08 Jan | AJet | ||
| 29 Dec - 05 Jan | AJet | ||
| 29 Dec - 10 Jan | Pegasus Airlines | ||
| 22 Dec - 02 Jan | Pegasus Airlines | ||
| 20 Dec - 27 Dec | flyadeal | ||
| 17 Dec - 19 Dec | Flynas |
Also check the deals for one-way flights from Riyadh to Porto in December.
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