Cheapest return flights from Newark to San Salvador in December from $346

AirHint found the following cheapest return flights from Newark (EWR) to San Salvador (SAL) in December 2025 (see full year).

Return flights

30 Dec - 08 Jan Spirit Airlines
31 Dec - 15 Jan Spirit Airlines
31 Dec - 20 Jan Spirit Airlines
15 Dec - 17 Dec Spirit Airlines
31 Dec - 21 Jan Spirit Airlines
30 Dec - 07 Jan Spirit Airlines
15 Dec - 22 Dec Spirit Airlines
31 Dec - 17 Jan Spirit Airlines
31 Dec - 31 Dec Spirit Airlines
29 Dec - 07 Jan Spirit Airlines
31 Dec - 08 Jan Spirit Airlines
31 Dec - 10 Jan Spirit Airlines
29 Dec - 10 Jan Spirit Airlines
14 Dec - 18 Dec United
14 Dec - 19 Dec United direct
14 Dec - 21 Dec United
15 Dec - 31 Dec Spirit Airlines
15 Dec - 21 Dec Spirit Airlines
15 Dec - 28 Dec Spirit Airlines
15 Dec - 29 Dec Spirit Airlines

Also check the deals for one-way flights from Newark to San Salvador in December.

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