AirHint found the following cheapest return flights from Guadalajara (GDL) to San Juan (SJU) in June 2026 (see full year).
Return flights
| 15 Jun - 22 Jun | Volaris | ||
| 28 Jun - 07 Jul | Viva | ||
| 12 Jun - 15 Jun | Viva | ||
| 29 Jun - 06 Jul | United | ||
| 28 Jun - 06 Jul | Volaris |
Also check the deals for one-way flights from Guadalajara to San Juan in June.
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