Cheapest return flights from Philadelphia to San Juan in July from $238

Best time to book flights for Philadelphia (PHL) to San Juan (SJU) flights at AirHint

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

Return flights

08 Jul - 15 Jul Frontier Airlines direct
15 Jul - 22 Jul Frontier Airlines direct
01 Jul - 08 Jul Frontier Airlines direct
07 Jul - 11 Jul Frontier Airlines direct
09 Jul - 19 Jul Frontier Airlines direct
09 Jul - 14 Jul Frontier Airlines direct
22 Jul - 26 Jul Frontier Airlines direct
24 Jul - 30 Jul Frontier Airlines direct
25 Jul - 29 Jul Frontier Airlines direct
04 Jul - 11 Jul Frontier Airlines direct
31 Jul - 04 Aug Spirit Airlines direct
30 Jul - 05 Aug Spirit Airlines direct
29 Jul - 05 Aug Spirit Airlines direct
22 Jul - 05 Aug Spirit Airlines direct
31 Jul - 05 Aug Spirit Airlines direct
27 Jul - 03 Aug Spirit Airlines direct

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

Skyscanner

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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