AirHint found the following cheapest return flights from Newark (EWR) to San Juan (SJU) in August 2026 (see full year).
Return flights
| 11 Aug - 14 Aug | jetBlue | direct | |
| 04 Aug - 10 Aug | United | direct | |
| 26 Aug - 02 Sep | United | direct | |
| 07 Aug - 15 Aug | United | direct |
Also check the deals for one-way flights from Newark to San Juan in August.
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