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$804+ Cheap flights from Islip, NY to Honolulu (ISP - HNL)

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — HNL
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from Islip to Honolulu

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Honolulu (HNL). 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$804
(Southwest)

Popular in

July

Cheapest in

September

Average price

$797
Provider with most accurate pricing for Islip Long Island-Honolulu flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Honolulu flights.
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From Islip Long Island to Honolulu
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Islip to Honolulu

Cheapest flights from Islip to Honolulu
Explore the most affordable flight options available from Islip to Honolulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Southwest deal was found by Cheapflights users on 11/19. 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.
Wed 12/175:40 amISP - HNL
2 stops20h 20mSouthwest
Wed 12/249:55 pmHNL - ISP
2 stops19h 10mSouthwest
Deal found 11/19$960
This Southwest deal was found by Cheapflights users on 11/20. 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.
Thu 11/276:00 amISP - HNL
2 stops18h 25mSouthwest
Sun 11/309:55 pmHNL - ISP
2 stops21h 00mSouthwest
Deal found 11/20$1,010

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Honolulu 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 November 20, 2025.
Use the filters below to find and compare flights from Islip to Honolulu that are best for you.

Fly from

Islip

Fly to

Honolulu

Route

Depart

Return

Price

IslipHonolulu

ISP - HNL

ISPHNL

Islip Long Island

Mon 4/20

6:00 am-9:00 pm

2 stops21h 00m

Honolulu

Fri 4/24

9:25 pm-11:20 pm

2 stops19h 55m

$804

IslipHonolulu

ISP - HNL

ISPHNL

Islip Long Island

Wed 12/17

5:40 am-9:00 pm

2 stops20h 20m

Honolulu

Wed 12/24

9:55 pm-10:05 pm

2 stops19h 10m

$960

IslipHonolulu

ISP - HNL

ISPHNL

Islip Long Island

Mon 4/6

6:00 am-9:10 pm

2 stops21h 10m

Honolulu

Fri 4/10

9:25 pm-11:20 pm

2 stops19h 55m

$985

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Compare providers for flights from Islip to Honolulu

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 Honolulu in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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-Honolulu 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-Honolulu flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-Honolulu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Honolulu 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-Honolulu 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 Honolulu

Have a flexible travel schedule? Discover the best time to fly to Honolulu 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 Honolulu

What is the cheapest month to book a flight from Islip, New York to Honolulu?

Currently, March is the cheapest month in which you can book a flight from Islip, New York to Honolulu (average of $323). Flying from Islip, New York to Honolulu in July is currently the most expensive (average of $560). 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 Honolulu. 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 Honolulu?

    There are many flights that can get you from Islip, New York to Honolulu in 21h. Fly via Southwest to get the fastest option. The distance between Islip, New York and Honolulu is about 5004 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Honolulu 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 Honolulu?

    Currently, March is the cheapest month in which you can book a flight from Islip, New York to Honolulu (average of $323). Flying from Islip, New York to Honolulu in July is currently the most expensive (average of $560). 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

Traveling to a place near Honolulu?

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