AirHint found the following cheapest return flights from Newark (EWR) to San Salvador (SAL) in September 2026 (see full year).
Return flights
| 02 Sep - 10 Sep | United | direct | |
| 23 Sep - 30 Sep | United | ||
| 07 Sep - 14 Sep | United | ||
| 03 Sep - 06 Sep | United | ||
| 03 Sep - 07 Sep | Spirit Airlines | ||
| 04 Sep - 07 Sep | Spirit Airlines | ||
| 01 Sep - 06 Sep | Spirit Airlines |
Also check the deals for one-way flights from Newark to San Salvador in September.
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