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$785+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — HNL
Feb 3 — Feb 101
Tue 2/3
Tue 2/10
1 adult, Economy
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Cheap 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 January 4, 2026.

This Southwest deal was found by Cheapflights users on 1/2. 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 1/286:00 amISP - HNL
2 stops20h 00mSouthwest
Sat 2/78:05 amHNL - ISP
2 stops22h 50mSouthwest
Deal found 1/2$785
This Southwest deal was found by Cheapflights users on 1/2. 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 5/176:05 amISP - HNL
2 stops21h 00mSouthwest
Mon 5/259:25 pmHNL - ISP
2 stops18h 45mSouthwest
Deal found 1/2$825
This Southwest deal was found by Cheapflights users on 1/3. 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 4/1911:50 amISP - HNL
2 stops15h 15mSouthwest
Sun 4/269:25 pmHNL - ISP
2 stops13h 05mSouthwest
Deal found 1/3$845
This Southwest deal was found by Cheapflights users on 1/1. 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 7/99:10 amISP - HNL
2 stops18h 05mSouthwest
Sat 7/1811:55 amHNL - ISP
2 stops16h 15mSouthwest
Deal found 1/1$1,431

Find 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 January 4, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$785
(Southwest)

Popular in

July

Cheapest in

September

Average price

$708
Provider with most accurate pricing for Islip Long Island-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Honolulu flights.
Search Deals
From Islip Long Island to Honolulu
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 4, 2026.
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

Wed 1/28

6:00 am-9:00 pm

2 stops20h 00m

Honolulu

Sat 2/7

8:05 am-11:55 am

2 stops22h 50m

$785

IslipHonolulu

ISP - HNL

ISPHNL

Islip Long Island

Sun 5/17

6:05 am-9:05 pm

2 stops21h 00m

Honolulu

Mon 5/25

9:25 pm-10:10 pm

2 stops18h 45m

$825

IslipHonolulu

ISP - HNL

ISPHNL

Islip Long Island

Sun 4/19

11:50 am-9:05 pm

2 stops15h 15m

Honolulu

Sun 4/26

9:25 pm-4:30 pm

2 stops13h 05m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

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 January.
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 $364). Flying from Islip, New York to Honolulu in July is currently the most expensive (average of $569). 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 20h. 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 $364). Flying from Islip, New York to Honolulu in July is currently the most expensive (average of $569). 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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