SJU to PHL from $426 in business – flightdeals.net

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Frontier Airlines

F9Frontier Airlines

Round Trip•Business Class

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

Philadelphia International Airport

Philadelphia, United States

$535 USD

-20%$426 USD

Verified about 10 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$643 1$550 2$516 3$458 4$516 5$551 6$520 7$527 8$527 9$558 10$581 11$581 12$694 13$692 14$664 15$613 16$586 17$591 18$581 19$548 20$605 21$581 22$581 23$548 24$548 25$548 26$679 27$659 28$688 29$708 30$708 31 1 2 3

Good Availability

50% 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

$762 USD

Returning

Mon, Jan 4, 2027•6 Day Trip

$708 USD