AirHint found the following cheapest return flights from Mexico City (MEX) to San Juan (SJU) in October 2026 (see full year).
Return flights
| 28 Oct - 02 Nov | Arajet | ||
| 12 Oct - 16 Oct | Avianca | ||
| 18 Oct - 26 Oct | Copa | ||
| 29 Oct - 01 Nov | Copa | ||
| 02 Oct - 09 Oct | Copa | ||
| 21 Oct - 25 Oct | Copa | ||
| 18 Oct - 24 Oct | Copa | ||
| 18 Oct - 25 Oct | Copa |
Also check the deals for one-way flights from Mexico City to San Juan in October.
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