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$216+ Cheap flights from Islip, NY (ISP) to Nassau (NAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — NAS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Islip to Nassau

Best flights from Islip to Nassau
Discover carefully curated flight deals from Islip to Nassau that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sat 1/2411:50 amISP - NAS
2 stops47h 10mMultiple Airlines
Sat 1/3112:00 pmNAS - ISP
1 stop20h 40mMultiple Airlines
Deal found 12/10$469
This Expedia deal was found by Cheapflights users on 12/10. 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.
Sat 1/2412:25 pmISP - NAS
1 stop24h 09mJetBlue
Sat 1/315:46 pmNAS - ISP
1 stop17h 47mJetBlue
Deal found 12/10$512
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/259:25 amISP - NAS
1 stop7h 00mMultiple Airlines
Sun 2/17:15 amNAS - ISP
2 stops36h 50mMultiple Airlines
Deal found 12/11$476
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2512:25 pmISP - NAS
1 stop24h 09mJetBlue
Sun 2/13:10 pmNAS - ISP
1 stop17h 42mJetBlue
Deal found 12/11$541

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$469
(Kiwi.com)

One-way from

$216
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$558
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.
Search Deals
From Islip Long Island to Nassau Intl
Search Deals
One-way flight from Islip Long Island to Nassau Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in December 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 December 12, 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

11:50 am-11:00 am

2 stops47h 10m

Nassau Intl

Sat 1/31

12:00 pm-8:40 am

1 stop20h 40m

$469

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 1/25

9:25 am-4:25 pm

1 stop7h 00m

Nassau Intl

Sun 2/1

7:15 am-8:05 pm

2 stops36h 50m

$476

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 1/24

12:25 pm-12:34 pm

1 stop24h 09m

Nassau Intl

Sat 1/31

5:46 pm-11:33 am

1 stop17h 47m

$512

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 1/25

12:25 pm-12:34 pm

1 stop24h 09m

Nassau Intl

Sun 2/1

3:10 pm-8:52 am

1 stop17h 42m

$541

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Wed 12/31

4:40 pm-7:15 pm

1 stop26h 35m

$216

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 1/23

12:25 pm-12:34 pm

1 stop24h 09m

$248

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Tue 12/30

2:19 pm-2:45 pm

3 stops24h 26m

$328

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Mon 12/29

2:04 pm-7:15 pm

2 stops29h 11m

$424

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 12/28

8:35 pm-2:50 pm

2 stops18h 15m

$482

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 12/26

2:04 pm-8:50 pm

1 stop6h 46m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December.
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 fly from Islip, New York to Nassau in about 24h 09m. The time it takes to get you to your destination can typically vary by up to . There are 1116 mi between Islip, New York and Nassau.

  • 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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