AirHint found the following cheapest return flights from West Palm Beach (PBI) to San Juan (SJU) in July 2025 (see full year).

Return flights

08 Jul - 15 Jul	Frontier Airlines
22 Jul - 31 Jul	Frontier Airlines
15 Jul - 16 Jul	Frontier Airlines
03 Jul - 09 Jul	Frontier Airlines
10 Jul - 13 Jul	Frontier Airlines
01 Jul - 08 Jul	Frontier Airlines
03 Jul - 08 Jul	Frontier Airlines
15 Jul - 21 Jul	Frontier Airlines
03 Jul - 06 Jul	Frontier Airlines
03 Jul - 05 Jul	Frontier Airlines

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

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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Cheapest return flights from West Palm Beach to San Juan in July from $199

Return flights