AirHint found the following cheapest one-way flights from Philadelphia (PHL) to San Juan (SJU) in April 2026 (see full year).
One-Way flights
| 04 Apr | jetBlue | ||
| 04 Apr | Frontier Airlines | direct | |
| 05 Apr | jetBlue | ||
| 05 Apr | Frontier Airlines | direct |
Also check the deals for return flights from Philadelphia to San Juan in April.
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