Cheapest return flights from Philadelphia to San Salvador in December from $214

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

Return flights

10 Dec - 17 Dec Spirit Airlines
10 Dec - 15 Dec Spirit Airlines
09 Dec - 13 Dec Spirit Airlines
11 Dec - 13 Dec Spirit Airlines
05 Dec - 13 Dec Spirit Airlines
12 Dec - 15 Dec Spirit Airlines
11 Dec - 14 Dec Spirit Airlines
05 Dec - 14 Dec Spirit Airlines
16 Dec - 25 Dec Spirit Airlines
17 Dec - 05 Jan Spirit Airlines
13 Dec - 04 Jan Spirit Airlines
24 Dec - 01 Jan Spirit Airlines
22 Dec - 01 Jan Spirit Airlines
25 Dec - 01 Jan Spirit Airlines
31 Dec - 03 Jan Spirit Airlines
24 Dec - 04 Jan Spirit Airlines
22 Dec - 04 Jan Spirit Airlines
21 Dec - 01 Jan Spirit Airlines
24 Dec - 03 Jan Spirit Airlines

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

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