Cheapest one-way flights from Philadelphia to San Juan in July from $83

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

One-Way flights

15 Jul Frontier Airlines
12 Jul Frontier Airlines
14 Jul Frontier Airlines
16 Jul Frontier Airlines
07 Jul Frontier Airlines
10 Jul Frontier Airlines
13 Jul Frontier Airlines
11 Jul Frontier Airlines
22 Jul Frontier Airlines
19 Jul Frontier Airlines

Also check the deals for return 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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