AirHint found the following cheapest return flights from Mexico City (MEX) to San Juan (SJU) in July 2026 (see full year).
Return flights
| 23 Jul - 30 Jul | Avianca | ||
| 25 Jul - 01 Aug | Avianca | ||
| 20 Jul - 24 Jul | Avianca | ||
| 15 Jul - 22 Jul | Avianca | ||
| 01 Jul - 16 Jul | Copa | ||
| 01 Jul - 12 Jul | Copa | ||
| 09 Jul - 14 Jul | Avianca | ||
| 10 Jul - 15 Jul | Arajet |
Also check the deals for one-way flights from Mexico City to San Juan in July.
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