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

Return flights

10 Jul - 15 Jul	Spirit Airlines
08 Jul - 15 Jul	Spirit Airlines
10 Jul - 24 Jul	Spirit Airlines
06 Jul - 10 Jul	Spirit Airlines
03 Jul - 08 Jul	Spirit Airlines
13 Jul - 20 Jul	Spirit Airlines
24 Jul - 27 Jul	Spirit Airlines
03 Jul - 06 Jul	Spirit Airlines

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Philadelphia to San Salvador in July from $277

Return flights