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$548+ Cheap flights from Islip (ISP) to Nassau (NAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — NAS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Islip to Nassau

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Nassau (NAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$548
(Expedia)

Popular in

April

Cheapest in

December

Average price

$640
From Islip Long Island to Nassau Intl
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($332 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease ($139 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Islip to Nassau

Cheapest flights from Islip to Nassau
Explore the most affordable flight options available from Islip to Nassau. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This JetBlue deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:21 amISP - NAS
1 stop6h 09mJetBlue
Mon 12/2910:20 amNAS - ISP
1 stop8h 24mJetBlue
Deal found 9/11$1,375
This JetBlue deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:21 amISP - NAS
1 stop6h 09mJetBlue
Mon 12/2910:20 amNAS - ISP
1 stop8h 24mJetBlue
Deal found 9/11$1,568

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Nassau that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Islip to Nassau that are best for you.

Fly from

Islip

Fly to

Nassau

Route

Depart

Return

Price

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 2/27

12:10 pm-1:27 pm

1 stop25h 17m

Nassau Intl

Mon 3/2

2:54 pm-10:00 am

1 stop19h 06m

$548

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 12/27

9:21 am-3:30 pm

1 stop6h 09m

Nassau Intl

Mon 12/29

10:20 am-6:44 pm

1 stop8h 24m

$1,375

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 12/26

9:21 am-3:30 pm

1 stop6h 09m

Nassau Intl

Mon 12/29

10:20 am-6:44 pm

1 stop8h 24m

$1,568

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Mon 11/3

4:33 pm-3:50 pm

3 stops47h 17m

$1,717

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Islip to Nassau

Have a flexible travel schedule? Discover the best time to fly to Nassau from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Nassau

What is the cheapest month to book a flight from Islip to Nassau?

Currently, January is the cheapest month in which you can book a flight from Islip to Nassau (average of $362). Flying from Islip to Nassau in June is currently the most expensive (average of $455). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Islip to Nassau. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Islip to Nassau?

    Airlines like JetBlue fly from Islip to Nassau in about 25h 17m. The time it takes to get you to your destination can typically vary by up to . Islip and Nassau are separated by a distance of 1116 mi.

  • Can I find deals for flights from Islip to Nassau that include hotel bookings?

    Yes. In addition to deals on Islip to Nassau flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Nassau?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Nassau.

  • Can I find deals for business class flights from Islip to Nassau?

    Yes. Cheapflights offers flight deals from Islip to Nassau by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip to Nassau?

    Currently, January is the cheapest month in which you can book a flight from Islip to Nassau (average of $362). Flying from Islip to Nassau in June is currently the most expensive (average of $455). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Islip to Nassau

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