PHL to SJU from $78 in economy – flightdeals.net

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Frontier Airlines

F9Frontier Airlines

One Way•Economy

Philadelphia International Airport

Philadelphia, United States

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$140 USD

-44%$78 USD

Verified about 5 hours ago

October 2026

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28$88 29$88 30$93 1$103 2$103 3$103 4$103 5$103 6$103 7$103 8$103 9$103 10$103 11$103 12$103 13$103 14$103 15$103 16$103 17$103 18$103 19$103 20$103 21$103 22$103 23$103 24$103 25$103 26$103 27$103 28$103 29$103 30$103 31$103 1$103

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Friday, October 23rd, 2026

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