AirHint found the following cheapest return flights from Mexico City (MEX) to San Juan (SJU) in April 2026 (see full year).
Return flights
| 30 Apr - 05 May | Volaris | ||
| 29 Apr - 04 May | Viva | ||
| 29 Apr - 01 May | Viva | ||
| 29 Apr - 03 May | Viva |
Also check the deals for one-way flights from Mexico City to San Juan in April.
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