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

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Dates, airline, and price
Dates	Airline	Price
06 Jun	Frontier Airlines Direct Flight
05 Jun	Frontier Airlines Direct Flight
28 Jun	Frontier Airlines Direct Flight
25 Jun	Frontier Airlines
03 Jun	Frontier Airlines Direct Flight
02 Jun	Frontier Airlines Direct Flight
12 Jun	Frontier Airlines Direct Flight
20 Jun	Frontier Airlines
21 Jun	Frontier Airlines Direct Flight
25 Jun	Frontier Airlines Direct Flight

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

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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), June

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