AirHint found the following cheapest return flights from Mexico City (MEX) to Porto (OPO) in January 2026 (see full year).
Return flights
| 21 Jan - 04 Feb | Aer Lingus | ||
| 18 Jan - 28 Jan | Iberia | ||
| 21 Jan - 31 Jan | Iberia | ||
| 12 Jan - 16 Jan | Iberia | ||
| 06 Jan - 11 Jan | Volaris |
Also check the deals for one-way flights from Mexico City to Porto in January.
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