Cheapest return flights from Philadelphia to San Salvador in December from 245€

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

Return flights

31 Dec - 15 Jan Spirit Airlines
31 Dec - 07 Jan Frontier Airlines
26 Dec - 30 Jan Frontier Airlines
27 Dec - 07 Jan Frontier Airlines
30 Dec - 15 Jan Spirit Airlines
22 Dec - 28 Dec Frontier Airlines
11 Dec - 23 Dec Spirit Airlines
11 Dec - 21 Dec Spirit Airlines
11 Dec - 28 Dec Spirit Airlines
31 Dec - 04 Jan Spirit Airlines
30 Dec - 04 Jan Spirit Airlines
22 Dec - 23 Dec Spirit Airlines
26 Dec - 28 Dec Spirit Airlines
30 Dec - 07 Jan Spirit Airlines
26 Dec - 15 Jan Spirit Airlines
27 Dec - 28 Dec Spirit Airlines
27 Dec - 15 Jan Spirit Airlines
19 Dec - 23 Dec Frontier Airlines
19 Dec - 21 Dec Spirit Airlines
19 Dec - 28 Dec Spirit Airlines

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

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