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$497+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — NAS
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$497
(Southwest)

Popular in

February

Cheapest in

September

Average price

$358
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
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Highest demand for flights based on searches. 14% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Southwest deal was found by Cheapflights users on 3/25. 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.
Sun 5/115:45 amISP - NAS
1 stop6h 20mSouthwest
Thu 5/152:10 pmNAS - ISP
1 stop8h 20mSouthwest
Deal found 3/25$497
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/148:25 pmISP - NAS
2 stops22h 50mMultiple Airlines
Fri 4/1811:30 amNAS - ISP
2 stops26h 25mMultiple Airlines
Deal found 3/25$1,081

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 26, 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

Sun 5/11

5:45 am-12:05 pm

1 stop6h 20m

Nassau Intl

Thu 5/15

2:10 pm-10:30 pm

1 stop8h 20m

$497

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Mon 4/14

8:25 pm-7:15 pm

2 stops22h 50m

Nassau Intl

Fri 4/18

11:30 am-1:55 pm

2 stops26h 25m

$1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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
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 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, January is the cheapest month in which you can book a flight from Islip, New York to Nassau (average of $362). Flying from Islip, New York 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.

Rainfall in Nassau by month

Plan your trip to Nassau by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Nassau ranges from 1.6 - 7.1 inches per month. September is typically the wettest month, when rainfall can reach 7.1 in. January is typically the driest time to visit Nassau when rainfall is around 1.6 in.

Temperature in Nassau by month

Plan your trip to Nassau by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Nassau, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Nassau

Get insights into the airlines that provide service to Nassau. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Nassau. Reviews last updated March 26, 2025.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • What is the cheapest airline to fly from Islip, New York to Nassau round-trip?

    Our cheapest airline available from Islip, New York to Nassau is Southwest. Our recent data shows that you can find tickets from as low as $497 on this airline.

  • 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, January is the cheapest month in which you can book a flight from Islip, New York to Nassau (average of $362). Flying from Islip, New York 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.

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Alternative routes for Islip to Nassau

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