AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Juan (SJU) in July 2026 (see full year).
Return flights
| 11 Jul - 18 Jul | jetBlue | direct | |
| 01 Jul - 08 Jul | jetBlue | direct | |
| 25 Jul - 01 Aug | jetBlue | direct | |
| 03 Jul - 06 Jul | jetBlue | direct | |
| 16 Jul - 19 Jul | Frontier Airlines | ||
| 16 Jul - 19 Jul | Frontier Airlines | direct |
Also check the deals for one-way flights from Raleigh-durham to San Juan in July.
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