Cheapest return flights from Islip to West Palm Beach in October from $166

AirHint found the following cheapest return flights from Islip (ISP) to West Palm Beach (PBI) in October 2025 (see full year).

Return flights

16 Oct - 20 Oct Southwest Airlines direct
18 Oct - 21 Oct Southwest Airlines
05 Oct - 09 Oct Southwest Airlines direct
18 Oct - 21 Oct jetBlue direct
09 Oct - 16 Oct Southwest Airlines
09 Oct - 16 Oct jetBlue direct

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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