Philadelphia (PHL) to San Juan (SJU) flight deal in economy from $156

Frontier AirlinesF9Frontier Airlines
Round Trip•Economy
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$271 USD
-42%$156 USD
Verified about 8 hours ago
Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price

Wednesday, December 23rd, 2026

8 round-trip options

Returning
Mon, Dec 28, 2026•5 Day Trip
$628 USD
Google Flights
Returning
Tue, Dec 29, 2026•6 Day Trip
$621 USD
Google Flights
Returning
Wed, Dec 30, 2026•7 Day Trip
$621 USD
Google Flights
Returning
Thu, Dec 31, 2026•8 Day Trip
$607 USD
Google Flights
Returning
Fri, Jan 1, 2027•9 Day Trip
$631 USD
Google Flights
Returning
Sat, Jan 2, 2027•10 Day Trip
$968 USD
Google Flights
Returning
Sun, Jan 3, 2027•11 Day Trip
$1,012 USD
Google Flights
Returning
Mon, Jan 4, 2027•12 Day Trip
$902 USD
Google Flights