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Islip

$604+ Cheap flights from O'ahu to Islip (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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ISP
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Find flight deals from O'ahu to Islip

One-way flights from O'ahu to Islip
Search for one-way flight options from O'ahu to Islip. Find affordable one-way fares based on user searches. Data last updated October 14, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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.
Thu 12/1111:59 pmHNL - ISP
2 stops14h 46mMultiple Airlines
Deal found 10/11$604
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 12/1211:59 pmHNL - ISP
2 stops14h 46mMultiple Airlines
Deal found 10/11$634
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 12/1611:59 pmHNL - ISP
2 stops14h 46mMultiple Airlines
Deal found 10/12$654
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 10/12$662
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 11/1411:55 pmHNL - ISP
2 stops14h 50mMultiple Airlines
Deal found 10/14$681
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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.
Sat 12/1311:59 pmHNL - ISP
2 stops14h 46mMultiple Airlines
Deal found 10/11$683
This Cheapflightsfares deal was found by Cheapflights users on 10/13. 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 11/52:15 pmHNL - ISP
2 stops15h 49mMultiple Airlines
Deal found 10/13$690
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 11/22:15 pmHNL - ISP
2 stops15h 49mMultiple Airlines
Deal found 10/12$691
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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.
Thu 11/132:15 pmHNL - ISP
2 stops15h 49mMultiple Airlines
Deal found 10/12$711
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 12/152:20 pmHNL - ISP
2 stops15h 44mMultiple Airlines
Deal found 10/11$727
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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.
Wed 11/192:15 pmHNL - ISP
2 stops15h 49mMultiple Airlines
Deal found 10/14$758
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 12/172:20 pmHNL - ISP
2 stops15h 44mMultiple Airlines
Deal found 10/11$767

Cheap flight deals from O'ahu to Islip

Keep the following information in mind while searching for O'ahu to Islip flight deals. Data was last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

September

Average price

$739
Provider with most accurate pricing for Honolulu-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Honolulu-New York (NYC) flights.
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'ahu 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 October 14, 2025.
Use the filters below to find and compare flights from O'ahu to Islip that are best for you.

Fly from

O'ahu

Fly to

Islip

Route

Depart

Return

Price

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Thu 12/11

11:59 pm-7:45 pm

2 stops14h 46m

$604

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Fri 12/12

11:59 pm-7:45 pm

2 stops14h 46m

$634

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Fri 12/5

11:59 pm-7:45 pm

2 stops14h 46m

$634

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Tue 12/16

11:59 pm-7:45 pm

2 stops14h 46m

$654

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Mon 11/17

11:55 pm-7:45 pm

2 stops14h 50m

$662

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Wed 11/12

2:15 pm-11:04 am

2 stops15h 49m

$662

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Fri 11/14

11:55 pm-7:45 pm

2 stops14h 50m

$681

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Sun 12/14

2:20 pm-11:04 am

2 stops15h 44m

$683

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Wed 11/5

2:15 pm-11:04 am

2 stops15h 49m

$690

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Sun 11/9

2:15 pm-11:04 am

2 stops15h 49m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Best time to book a flight from O'ahu to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from O'ahu 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 O'ahu to Islip

What is the cheapest month to book a flight from O'ahu to Islip?

Currently, February is the cheapest month in which you can book a flight from O'ahu to Islip (average of $217). Flying from O'ahu to Islip in June is currently the most expensive (average of $655). 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 O'ahu to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from O'ahu?

    Islip Long Island (ISP) is the airport you will fly into if you book a flight from O'ahu to Islip. It is only a 7.2 mi journey from Long Island (ISP) to Islip’s city center.

  • Can I find deals for flights from O'ahu to Islip that include hotel bookings?

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

  • How can I find direct flights from O'ahu to Islip?

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

  • Can I find deals for business class flights from O'ahu to Islip?

    Yes. Cheapflights offers flight deals from O'ahu 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 O'ahu to Islip?

    Currently, February is the cheapest month in which you can book a flight from O'ahu to Islip (average of $217). Flying from O'ahu to Islip in June is currently the most expensive (average of $655). 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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