Cheapest return flights from Philadelphia to San Juan in June from $216

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 June 2025 (see full year).

Return flights

08 Jun - 12 Jun Frontier Airlines direct
07 Jun - 12 Jun Frontier Airlines direct
16 Jun - 20 Jun Frontier Airlines direct
09 Jun - 12 Jun Frontier Airlines direct
09 Jun - 13 Jun Frontier Airlines direct
02 Jun - 07 Jun Spirit Airlines
16 Jun - 21 Jun Frontier Airlines direct
14 Jun - 18 Jun Frontier Airlines direct
10 Jun - 13 Jun Frontier Airlines direct
23 Jun - 25 Jun Frontier Airlines direct
25 Jun - 01 Jul Frontier Airlines direct
28 Jun - 05 Jul Frontier Airlines direct
25 Jun - 05 Jul Frontier Airlines direct
06 Jun - 13 Jul Frontier Airlines direct
28 Jun - 02 Jul Frontier Airlines
12 Jun - 07 Jul jetBlue
27 Jun - 04 Jul Frontier Airlines direct
28 Jun - 02 Jul Frontier Airlines direct
27 Jun - 05 Jul Frontier Airlines direct
18 Jun - 02 Jul Spirit 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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