AirHint found the following cheapest one-way flights from Mexico City (MEX) to San Juan (SJU) in January 2026 (see full year).
One-Way flights
| 06 Jan | Copa | ||
| 25 Jan | Copa | ||
| 26 Jan | Viva | ||
| 03 Jan | Copa | ||
| 03 Jan | Aeromexico | direct |
Also check the deals for return flights from Mexico City to San Juan in January.
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