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Cheapest one-way flights from Philadelphia (PHL) to San Juan (SJU), July

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Dates, airline, and price
Dates	Airline	Price
25 Jul	Frontier Airlines Direct Flight
19 Jul	Frontier Airlines Direct Flight
28 Jul	Frontier Airlines Direct Flight
03 Jul	Frontier Airlines Direct Flight
04 Jul	Frontier Airlines Direct Flight
09 Jul	Frontier Airlines Direct Flight
01 Jul	Frontier Airlines Direct Flight
26 Jul	Frontier Airlines Direct Flight
12 Jul	Frontier Airlines Direct Flight
11 Jul	Frontier Airlines Direct Flight

deals for return flights from Philadelphia to San Juan in July.

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Updated May 23, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Philadelphia (PHL) to San Juan (SJU), July

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