Cheapest one-way flights from Islip to Nassau in August from $356

AirHint found the following cheapest one-way flights from Islip (ISP) to Nassau (NAS) in August 2025 (see full year).

One-Way flights

04 Aug Southwest Airlines

Also check the deals for return flights from Islip to Nassau in August.

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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