San Juan (SJU) to Philadelphia (PHL) flight deal in business from $426

Frontier AirlinesF9Frontier Airlines
Round Trip•Business Class
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
$535 USD
-20%$426 USD
Verified about 10 hours ago
Good Availability
50% of dates checked are available within 10% of the lowest price

Friday, December 25th, 2026

6 round-trip options

Returning
Wed, Dec 30, 2026•5 Day Trip
$621 USD
Google Flights
Returning
Thu, Dec 31, 2026•6 Day Trip
$591 USD
Google Flights
Returning
Fri, Jan 1, 2027•7 Day Trip
$548 USD
Google Flights
Returning
Sat, Jan 2, 2027•8 Day Trip
$550 USD
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Returning
Sun, Jan 3, 2027•9 Day Trip
$631 USD
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Returning
Mon, Jan 4, 2027•10 Day Trip
$577 USD
Google Flights