Flights from Philadelphia to San Juan

Flights

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Cheap one-way flights

If you're planning to travel one-way to San Juan, find the best flight deals available here.
Frontier Airlines
DEPARTURE
PHL - SJU
Sun. Nov 8, 2026
Price per a person from
$83
Frontier Airlines
DEPARTURE
PHL - SJU
Mon. Dec 7, 2026
Price per a person from
$83
American Airlines
DEPARTURE
PHL - SJU
Sun. Nov 8, 2026
Price per a person from
$114
Frontier Airlines
DEPARTURE
PHL - SJU
Tue. Dec 8, 2026
Price per a person from
$83
Frontier Airlines
DEPARTURE
PHL - SJU
Wed. Jan 6, 2027
Price per a person from
$83
Frontier Airlines
DEPARTURE
PHL - SJU
Tue. Oct 13, 2026
Price per a person from
$122
Delta Air Lines
DEPARTURE
PHL - SJU
Tue. Nov 10, 2026
Price per a person from
$141
Frontier Airlines
DEPARTURE
PHL - SJU
Tue. Nov 10, 2026
Price per a person from
$83
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