AirHint found the following cheapest return flights from West Palm Beach (PBI) to San Juan (SJU) in December 2025 (see full year).
Return flights
| 05 Dec - 09 Dec | Frontier Airlines | ||
| 11 Dec - 14 Dec | Frontier Airlines | ||
| 19 Dec - 22 Dec | Spirit Airlines | ||
| 23 Dec - 28 Dec | Frontier Airlines |
Also check the deals for one-way flights from West Palm Beach to San Juan in December.
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