Cheapest return flights from Philadelphia to San Juan in June from $184

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

Return flights

23 Jun - 30 Jun Frontier Airlines
23 Jun - 27 Jun Frontier Airlines
27 Jun - 01 Jul Frontier Airlines
28 Jun - 05 Jul Frontier Airlines
26 Jun - 30 Jun Frontier Airlines
27 Jun - 02 Jul Frontier Airlines
24 Jun - 27 Jun Frontier Airlines
21 Jun - 25 Jun Frontier Airlines
27 Jun - 29 Jun Frontier Airlines
26 Jun - 29 Jun Frontier Airlines
30 Jun - 07 Jul Frontier Airlines
24 Jun - 01 Jul Frontier Airlines
27 Jun - 03 Jul Frontier Airlines
24 Jun - 28 Jun Frontier Airlines
25 Jun - 11 Jul Frontier Airlines
21 Jun - 24 Jun Frontier Airlines
29 Jun - 01 Jul Frontier Airlines
23 Jun - 28 Jun Frontier Airlines
26 Jun - 05 Jul Frontier Airlines
24 Jun - 05 Jul Frontier Airlines

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

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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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