AirHint found the following cheapest one-way flights from Mexico City (MEX) to Lisbon (LIS) in December 2026 (see full year).
One-Way flights
| 01 Dec | Aer Lingus | ||
| 13 Dec | Iberia | ||
| 22 Dec | Iberia | ||
| 26 Dec | Iberia |
Also check the deals for return flights from Mexico City to Lisbon in December.
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