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$503+ Cheap flights from Islip, NY (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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — NAS
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:04 pmISP - NAS
2 stops23h 46mMultiple Airlines
Sat 1/312:00 pmNAS - ISP
1 stop25h 09mMultiple Airlines
Deal found 10/27$959
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:46 amISP - NAS
1 stop26h 56mJetBlue
Fri 1/210:20 amNAS - ISP
1 stop8h 25mJetBlue
Deal found 10/27$1,116
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:04 pmISP - NAS
2 stops23h 46mMultiple Airlines
Fri 1/212:00 pmNAS - ISP
1 stop7h 40mMultiple Airlines
Deal found 10/27$1,141
This JetBlue deal was found by Cheapflights users on 10/27. 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.
Wed 11/2610:43 amISP - NAS
1 stop5h 19mJetBlue
Sun 11/3010:15 amNAS - ISP
1 stop8h 08mJetBlue
Deal found 10/27$1,277

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$503
(Expedia)

Popular in

April

Cheapest in

September

Average price

$390
Provider with most accurate pricing for Islip Long Island-Nassau Intl flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Nassau Intl flights.
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From Islip Long Island to Nassau Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 28, 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

Sat 1/24

9:40 am-1:55 pm

1 stop28h 15m

Nassau Intl

Fri 1/30

6:10 pm-11:35 am

1 stop17h 25m

$503

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 12/12

8:29 pm-2:45 pm

2 stops18h 16m

Nassau Intl

Fri 12/19

4:25 pm-5:55 pm

1 stop25h 30m

$512

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 11/8

4:58 pm-4:25 pm

1 stop23h 27m

Nassau Intl

Tue 11/11

12:00 pm-10:37 am

1 stop22h 37m

$525

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 1/24

5:45 am-3:15 pm

1 stop9h 30m

Nassau Intl

Fri 1/30

1:55 pm-9:55 pm

2 stops8h 00m

$582

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 11/7

4:58 pm-4:25 pm

1 stop23h 27m

Nassau Intl

Tue 11/11

12:00 pm-10:37 am

1 stop22h 37m

$608

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 11/8

7:25 am-1:00 pm

1 stop5h 35m

Nassau Intl

Tue 11/11

1:10 pm-10:05 pm

2 stops8h 55m

$895

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Mon 12/29

2:04 pm-1:50 pm

2 stops23h 46m

Nassau Intl

Sat 1/3

12:00 pm-1:09 pm

1 stop25h 09m

$959

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 11/7

4:45 pm-12:44 pm

2 stops19h 59m

Nassau Intl

Tue 11/11

6:01 pm-12:18 pm

1 stop18h 17m

$967

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Islip to Nassau

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Nassau in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Nassau flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-Nassau flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-Nassau flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Nassau flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Nassau flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, New York to Nassau?

Currently, March is the cheapest month in which you can book a flight from Islip, New York to Nassau (average of $114). Flying from Islip, New York to Nassau in April is currently the most expensive (average of $300). 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, New York to Nassau?

    Airlines like JetBlue and Southwest fly from Islip, New York to Nassau in about 9h 30m. The time it takes to get you to your destination can typically vary by up to 18h 45m. There are 1116 mi between Islip, New York and Nassau. This flight may include one or multiple stops.

  • 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, New York to Nassau?

    Currently, March is the cheapest month in which you can book a flight from Islip, New York to Nassau (average of $114). Flying from Islip, New York to Nassau in April is currently the most expensive (average of $300). 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

See prices for flight routes from nearby airports that may be better suited for you.
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