AirHint found the following cheapest return flights from Philadelphia (PHL) to West Palm Beach (PBI) in September 2026 (see full year).
Return flights
| 04 Sep - 08 Sep | United | ||
| 10 Sep - 13 Sep | Delta | ||
| 03 Sep - 06 Sep | Delta | ||
| 03 Sep - 06 Sep | American Airlines | direct | |
| 04 Sep - 08 Sep | American Airlines | direct | |
| 10 Sep - 13 Sep | American Airlines | direct |
Also check the deals for one-way flights from Philadelphia to West Palm Beach in September.
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