SJU to PHL from $166 in economy – flightdeals.net

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Frontier Airlines

F9Frontier Airlines

Round Trip•Economy

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

Philadelphia International Airport

Philadelphia, United States

$268 USD

-38%$166 USD

Verified about 7 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$373 1$290 2$262 3$208 4$256 5$291 6$260 7$267 8$267 9$298 10$321 11$321 12$414 13$412 14$384 15$343 16$316 17$331 18$311 19$288 20$335 21$311 22$311 23$288 24$288 25$288 26$399 27$379 28$408 29$428 30$428 31 1 2 3

Extremely Rare Availability

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

Tuesday, December 29th, 2026

2 round-trip options

Returning

Sun, Jan 3, 2027•5 Day Trip

$472 USD

Returning

Mon, Jan 4, 2027•6 Day Trip

$428 USD