AirHint found the following cheapest return flights from Newark (EWR) to San Salvador (SAL) in December 2026 (see full year).
Return flights
| 04 Dec - 08 Dec | United | direct | |
| 03 Dec - 09 Dec | Delta | ||
| 23 Dec - 02 Jan | Aeromexico | ||
| 18 Dec - 02 Jan | Aeromexico | ||
| 19 Dec - 02 Jan | United | ||
| 23 Dec - 05 Jan | United |
Also check the deals for one-way flights from Newark to San Salvador in December.
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