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Nassau

$146+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — NAS
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap 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 March 11, 2026.

This KAYAK deal was found by Cheapflights users on 3/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:18 pm
ISP
-
NAS
1 stop10h 49m
JetBlue
Tue 4/281:08 pm
NAS
-
ISP
1 stop7h 01m
JetBlue
Deal found 3/7$491
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:35 am
ISP
-
NAS
1 stop5h 19m
JetBlue
Mon 10/51:15 pm
NAS
-
ISP
1 stop21h 35m
JetBlue
Deal found 3/9$526
This Southwest deal was found by Cheapflights users on 3/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:50 am
ISP
-
NAS
1 stop11h 40m
Southwest
Sat 5/161:05 pm
NAS
-
ISP
1 stop10h 15m
Southwest
Deal found 3/6$536
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Fri 6/1210:03 am
ISP
-
NAS
1 stop6h 22m
Multiple Airlines
Mon 6/1512:00 pm
NAS
-
ISP
1 stop21h 08m
Multiple Airlines
Deal found 3/10$544
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
ISP
-
NAS
2 stops12h 30m
Southwest
Tue 4/282:10 pm
NAS
-
ISP
2 stops8h 00m
Southwest
Deal found 3/7$555
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:10 am
ISP
-
NAS
2 stops9h 20m
Southwest
Fri 7/312:10 pm
NAS
-
ISP
1 stop9h 30m
Southwest
Deal found 3/7$580
This Expedia deal was found by Cheapflights users on 3/6. 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 4/205:15 pm
ISP
-
NAS
1 stop20h 19m
JetBlue
Mon 4/279:08 am
NAS
-
ISP
1 stop11h 01m
JetBlue
Deal found 3/6$585
This FlightHub deal was found by Cheapflights users on 3/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:25 pm
ISP
-
NAS
2 stops19h 32m
JetBlue
Tue 8/251:38 pm
NAS
-
ISP
1 stop9h 18m
JetBlue
Deal found 3/6$592
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:25 pm
ISP
-
NAS
2 stops19h 32m
JetBlue
Mon 6/153:04 pm
NAS
-
ISP
1 stop8h 13m
JetBlue
Deal found 3/10$596

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$451
(JetBlue)

One-way from

$146
(KAYAK)

Popular in

February

Cheapest in

September

Average price

$509
Provider with most accurate pricing for Islip Long Island-Nassau Intl flight deals.
Search Deals
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. 7% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Islip to Nassau that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 4/25

9:18 pm-8:07 am

1 stop10h 49m

Nassau Intl

Tue 4/28

1:08 pm-8:09 pm

1 stop7h 01m

$451

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Mon 5/11

6:50 am-6:30 pm

1 stop11h 40m

Nassau Intl

Sat 5/16

1:05 pm-11:20 pm

1 stop10h 15m

$536

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 4/25

6:00 am-6:30 pm

2 stops12h 30m

Nassau Intl

Tue 4/28

2:10 pm-10:10 pm

2 stops8h 00m

$555

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 8/21

12:25 pm-7:57 am

2 stops19h 32m

Nassau Intl

Tue 8/25

1:38 pm-10:56 pm

1 stop9h 18m

$592
Quickest round-trip

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Fri 5/29

6:50 am-1:15 pm

1 stop6h 25m

Nassau Intl

Wed 6/3

2:10 pm-10:40 pm

1 stop8h 30m

$622
Cheapest one-way

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 4/12

7:00 am-5:05 pm

1 stop10h 05m

$146

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Wed 3/18

8:25 am-4:00 pm

1 stop7h 35m

$386
Quickest one-way

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Thu 4/2

7:00 am-12:53 pm

1 stop5h 53m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Sorted by cheapest first

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Nassau flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, May is the cheapest month in which you can book a flight from Islip, New York to Nassau (average of $129). Flying from Islip, New York to Nassau in December is currently the most expensive (average of $310). 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 10h 49m. The time it takes to get you to your destination can typically vary by up to 51m. 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, May is the cheapest month in which you can book a flight from Islip, New York to Nassau (average of $129). Flying from Islip, New York to Nassau in December is currently the most expensive (average of $310). 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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