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 3 hours ago

August 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15$202 16$207 17$140 18$187 19$192 20$187 21$154 22$163 23$139 24$110 25$139 26$144 27$139 28$78 29$88 30$78 31$78 1$78 2$83 3$88 4$113 5$98 6$88

Extremely Rare Availability

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

Tuesday, August 11th, 2026

No flight details available for this date.