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$472+ Cheap flights from Honolulu to Islip (HNL - ISP)

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ISP
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Honolulu to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Honolulu (HNL) to Islip (ISP). 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 September 17, 2025.

Popular in

July

Cheapest in

September

Average price

$607
Highest demand for flights based on searches. 16% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Honolulu to Islip

One-way flights from Honolulu to Islip
Search for one-way flight options from Honolulu to Islip. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:41 pmHNL - ISP
2 stops16h 20mMultiple Airlines
Deal found 9/17$472
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:10 pmHNL - ISP
2 stops15h 48mMultiple Airlines
Deal found 9/15$528
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:55 pmHNL - ISP
2 stops14h 50mMultiple Airlines
Deal found 9/15$580
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:10 pmHNL - ISP
2 stops15h 48mMultiple Airlines
Deal found 9/15$583
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:15 pmHNL - ISP
2 stops15h 49mMultiple Airlines
Deal found 9/15$608
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:07 pmHNL - ISP
2 stops15h 38mMultiple Airlines
Deal found 9/14$627
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:07 pmHNL - ISP
2 stops15h 38mMultiple Airlines
Deal found 9/14$656
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:10 pmHNL - ISP
2 stops15h 48mMultiple Airlines
Deal found 9/15$711
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:05 pmHNL - ISP
2 stops15h 53mMultiple Airlines
Deal found 9/17$723
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:40 pmHNL - ISP
2 stops16h 05mMultiple Airlines
Deal found 9/17$730

Cheapflights Fare Finder

 
Customize your flight search to find flights from Honolulu to Islip 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 September 17, 2025.
Use the filters below to find and compare flights from Honolulu to Islip that are best for you.

Fly from

Honolulu

Fly to

Islip

Route

Depart

Return

Price

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Fri 9/26

9:41 pm-8:01 pm

2 stops16h 20m

$472

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Mon 9/22

1:10 pm-10:58 am

2 stops15h 48m

$528

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Mon 11/17

11:55 pm-7:45 pm

2 stops14h 50m

$580

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Mon 12/15

2:20 pm-11:04 am

2 stops15h 44m

$580

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Wed 11/19

2:15 pm-11:04 am

2 stops15h 49m

$580

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Tue 11/18

11:55 pm-7:45 pm

2 stops14h 50m

$580

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Fri 10/24

1:05 pm-11:04 am

2 stops15h 59m

$608

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Sun 11/16

11:55 pm-7:45 pm

2 stops14h 50m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Honolulu to Islip

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

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

Currently, January is the cheapest month in which you can book a flight from Honolulu to Islip (average of $108). Flying from Honolulu to Islip in November is currently the most expensive (average of $213). 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 Honolulu to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Honolulu to Islip (average of $108). Flying from Honolulu to Islip in November is currently the most expensive (average of $213). 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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