Cheapest return flights from Philadelphia to San Juan in July from 233€

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

30 Jul - 05 Aug Frontier Airlines direct
08 Jul - 12 Jul Frontier Airlines direct
29 Jul - 02 Aug Frontier Airlines direct
08 Jul - 11 Jul Frontier Airlines direct
10 Jul - 13 Jul Frontier Airlines direct
04 Jul - 15 Jul Frontier Airlines direct
27 Jul - 05 Aug Frontier Airlines direct
09 Jul - 14 Jul Frontier Airlines direct
25 Jul - 29 Jul Frontier Airlines direct
25 Jul - 30 Jul Frontier Airlines direct
03 Jul - 10 Jul Frontier Airlines direct
23 Jul - 04 Aug Frontier Airlines direct
09 Jul - 19 Jul Frontier Airlines direct
05 Jul - 09 Jul Frontier Airlines direct
31 Jul - 03 Aug Frontier 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan