AirHint found the following cheapest return flights from Abu Dhabi (AUH) to Porto (OPO) in December 2025 (see full year).
Return flights
| 23 Dec - 28 Dec | Etihad Airways | ||
| 24 Dec - 31 Dec | SunExpress | ||
| 20 Dec - 03 Jan | Flynas | ||
| 25 Dec - 05 Jan | IndiGo | ||
| 30 Dec - 06 Jan | IndiGo | ||
| 20 Dec - 02 Jan | IndiGo | ||
| 08 Dec - 15 Dec | IndiGo |
Also check the deals for one-way flights from Abu Dhabi to Porto in December.
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