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

Return flights

14 Nov - 18 Nov	Southwest Airlines
15 Nov - 18 Nov	Southwest Airlines
13 Nov - 16 Nov	Southwest Airlines
12 Nov - 16 Nov	Southwest Airlines
15 Nov - 18 Nov	jetBlue	direct
25 Nov - 28 Nov	jetBlue	direct
14 Nov - 18 Nov	jetBlue	direct
12 Nov - 16 Nov	jetBlue	direct
26 Nov - 02 Dec	jetBlue	direct
13 Nov - 16 Nov	jetBlue	direct

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

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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Cheapest return flights from Islip to West Palm Beach in November from $177

Return flights