Cheapest return flights from Philadelphia to San Juan in June from $339

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

21 Jun - 26 Jun Frontier Airlines direct
13 Jun - 19 Jun Frontier Airlines direct
19 Jun - 27 Jun Frontier Airlines direct
05 Jun - 07 Jun jetBlue
27 Jun - 01 Jul Frontier Airlines direct
16 Jun - 23 Jun Frontier Airlines direct
05 Jun - 08 Jun Frontier Airlines direct
21 Jun - 19 Jul Frontier Airlines direct
06 Jun - 21 Jun Frontier Airlines direct
12 Jun - 22 Jun Frontier Airlines direct
25 Jun - 06 Jul American Airlines direct
28 Jun - 06 Jul Frontier Airlines direct
26 Jun - 06 Jul American Airlines direct
04 Jun - 07 Jun Spirit Airlines direct
04 Jun - 16 Jun Spirit Airlines direct
29 Jun - 05 Jul Spirit Airlines direct

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

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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