AirHint found the following cheapest one-way flights from Newark (EWR) to San Juan (SJU) in September 2026 (see full year).
One-Way flights
| 07 Sep | jetBlue | direct | |
| 03 Sep | jetBlue | direct | |
| 09 Sep | United | direct | |
| 11 Sep | Delta | ||
| 04 Sep | Spirit Airlines | direct | |
| 11 Sep | United | direct |
Also check the deals for return flights from Newark to San Juan in September.
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