$640+ Cheap flights from Islip (ISP) to Hawaii
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Islip to Hawaii with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Hawaii
Keep the following information in mind while searching for Islip to Hawaii flight deals. Data was last updated September 11, 2025.
Round-trip from | $902 (Kiwi.com) |
|---|---|
One-way from | $640 (KAYAK) |
Popular in | December |
Cheapest in | September |
Average price | $696 |
Find flight deals from Islip to Hawaii
Cheapest flights from Islip to HawaiiExplore the most affordable flight options available from Islip to Hawaii. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.
Explore the most affordable flight options available from Islip to Hawaii. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Islip to Hawaii that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
IslipHonolulu
ISP - HNL
ISPHNL
Islip Long Island
Thu 9/25
11:40 am-8:31 pm
2 stops38h 51m
Honolulu
Mon 9/29
2:15 pm-3:21 pm
1 stop19h 06m
IslipKailua-Kona
ISP - KOA
ISPKOA
Islip Long Island
Wed 11/12
7:30 am-3:55 pm
2 stops37h 25m
IslipKailua-Kona
ISP - KOA
ISPKOA
Islip Long Island
Thu 11/13
4:33 pm-5:44 pm
2 stops30h 11m
IslipKailua-Kona
ISP - KOA
ISPKOA
Islip Long Island
Tue 11/11
2:19 pm-9:40 pm
2 stops36h 21m
IslipKailua-Kona
ISP - KOA
ISPKOA
Islip Long Island
Mon 11/10
2:19 pm-9:40 pm
2 stops36h 21m
IslipKailua-Kona
ISP - KOA
ISPKOA
Islip Long Island
Sat 11/8
11:53 am-5:44 pm
2 stops34h 51m
IslipKailua-Kona
ISP - KOA
ISPKOA
Islip Long Island
Sun 11/9
11:53 am-2:43 pm
2 stops31h 50m
IslipKailua-Kona
ISP - KOA
ISPKOA
Islip Long Island
Fri 11/7
11:53 am-2:43 pm
2 stops31h 50m
Best time to book a flight from Islip to Hawaii
Have a flexible travel schedule? Discover the best time to fly to Hawaii from Islip with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Islip to Hawaii
What is the cheapest month to book a flight from Islip to Hawaii?
Currently, November is the cheapest month in which you can book a flight from Islip to Hawaii (average of $469). Flying from Islip to Hawaii 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.