Cheapest return flights from Islip to West Palm Beach in January from $70

AirHint found the following cheapest return flights from Islip (ISP) to West Palm Beach (PBI) in January 2026 (see full year).

Return flights

04 Jan - 16 Jan Frontier Airlines direct
02 Jan - 15 Feb Frontier Airlines direct
06 Jan - 10 Jan jetBlue direct
01 Jan - 01 Jan Frontier Airlines direct
16 Jan - 18 Jan Frontier Airlines direct
16 Jan - 19 Jan Frontier Airlines direct
16 Jan - 20 Jan Breeze Airways
02 Jan - 05 Jan Frontier Airlines direct
15 Jan - 18 Jan jetBlue direct
16 Jan - 20 Jan jetBlue direct
03 Jan - 05 Jan Frontier Airlines direct

Also check the deals for one-way flights from Islip to West Palm Beach in January.

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