AirHint found the following cheapest return flights from Monterrey (MTY) to San Juan (SJU) in July 2026 (see full year).
Return flights
| 02 Jul - 09 Jul | Copa | ||
| 03 Jul - 09 Jul | Copa | ||
| 03 Jul - 16 Jul | Copa | ||
| 12 Jul - 18 Jul | Copa | ||
| 17 Jul - 23 Jul | United | ||
| 03 Jul - 10 Jul | Viva | ||
| 31 Jul - 10 Aug | Avianca | ||
| 09 Jul - 13 Jul | United |
Also check the deals for one-way flights from Monterrey to San Juan in July.
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