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$1,040+ Cheap flights from Islip 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — HNL
Nov 4 — Nov 111
Tue 11/4
Tue 11/11
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 October 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,040
(Southwest)

Popular in

July

Cheapest in

September

Average price

$757
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
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Highest demand for flights based on searches. 16% potential increase in price ($158 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 October 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 October 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
Mon 10/207:30 amISP - HNL
1 stop35h 47mMultiple Airlines
Fri 10/248:36 pmHNL - ISP
2 stops42h 16mMultiple Airlines
Deal found 10/5$1,328
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/184:58 pmISP - HNL
2 stops33h 35mMultiple Airlines
Wed 10/222:10 pmHNL - ISP
1 stop20h 05mMultiple Airlines
Deal found 10/3$1,337

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 October 5, 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

Sat 3/7

5:50 pm-10:00 am

2 stops21h 10m

Honolulu

Sat 3/21

1:55 pm-11:05 am

2 stops15h 10m

$1,040

IslipHonolulu

ISP - HNL

ISPHNL

Islip Long Island

Mon 10/20

7:30 am-1:17 pm

1 stop35h 47m

Honolulu

Fri 10/24

8:36 pm-8:52 pm

2 stops42h 16m

$1,328

IslipHonolulu

ISP - HNL

ISPHNL

Islip Long Island

Sat 10/18

4:58 pm-8:33 pm

2 stops33h 35m

Honolulu

Wed 10/22

2:10 pm-4:15 pm

1 stop20h 05m

$1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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-Honolulu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip-Honolulu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip-Honolulu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip-Honolulu 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-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 to Honolulu?

Currently, November is the cheapest month in which you can book a flight from Islip to Honolulu (average of $469). Flying from Islip to Honolulu in June is currently the most expensive (average of $687). 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 to Honolulu?

    Southwest can get you from Islip to Honolulu in just under 21h 10m. Your travel time can differ by up to . Islip and Honolulu are separated by a distance of 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 to Honolulu?

    Currently, November is the cheapest month in which you can book a flight from Islip to Honolulu (average of $469). Flying from Islip to Honolulu in June is currently the most expensive (average of $687). 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?

Book flights to Honolulu if you plan to visit one of these locations
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