AirHint found the following cheapest one-way flights from Mexico City (MEX) to Porto (OPO) in December 2025 (see full year).
One-Way flights
| 05 Dec | Volaris | ||
| 04 Dec | Aeromexico | ||
| 08 Dec | Air France | ||
| 14 Dec | Aeromexico | ||
| 26 Dec | Air France |
Also check the deals for return flights from Mexico City to Porto in December.
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