AirHint found the following cheapest return flights from Naples (NAP) to San Juan (SJU) in July 2026 (see full year).
Return flights
| 29 Jul - 05 Aug | British Airways | ||
| 22 Jul - 29 Jul | United | ||
| 14 Jul - 19 Jul | United | ||
| 31 Jul - 07 Aug | Aer Lingus |
Also check the deals for one-way flights from Naples to San Juan in July.
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