In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

How far in advance should I book a flight from Hawaii to Islip, New York?

Find a great deal and save up to 65% by booking at least 47 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Hawaii to Islip, New York within the next two weeks, with the cheapest ticket starting at $722.

What is the cheapest month to fly from Hawaii to Islip, New York?

November is one of the best times of the year to fly to Islip, New York from Hawaii. Prices for November average $744 per person but you can even find prices for as low as $432. The most expensive prices can be found in the month of June. Opting for a November flight can save you 23% on your journey compared to booking in June

What is the cheapest time of day to fly from HI to ISP?

When flying from Hawaii to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Islip from Hawaii?

Islip Long Island (ISP) is the airport you will fly into if you book a flight from Hawaii 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 Hawaii to Islip that include hotel bookings?

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

How can I find direct flights from Hawaii to Islip?

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

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

Yes. Cheapflights offers flight deals from Hawaii 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.

$802+ Flights from Hawaii to Islip, NY

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Cheap flight deals from Hawaii to Islip

Popular in	June
Cheapest in	November
Average price	$902

Highest demand for flights based on searches. 13% potential increase in price ($114 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Hawaii to Islip

Cheapest flights from Hawaii to Islip
Explore the most affordable flight options available from Hawaii to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Mon 12/89:55 pmHNL - ISP

2 stops19h 10mSouthwest

Mon 12/225:50 pmISP - HNL

2 stops22h 15mSouthwest

Deal found 7/31

$1,430

Best flights from Hawaii to Islip
Discover carefully curated flight deals from Hawaii to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Mon 12/89:55 pmHNL - ISP

2 stops19h 10mSouthwest

Mon 12/225:50 pmISP - HNL

2 stops22h 15mSouthwest

Deal found 7/31

$1,430

One-way flights from Hawaii to Islip
Search for one-way flight options from Hawaii to Islip. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Wed 8/61:03 pmHNL - ISP

2 stops15h 55mMultiple Airlines

Deal found 7/28

$802

Fly from

Fly to

Route

Depart

Return

Price

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Mon 12/8

9:55 pm-10:05 pm

2 stops19h 10m

Islip Long Island

Mon 12/22

5:50 pm-11:05 am

2 stops22h 15m

$1,430

HonoluluIslip

HNL - ISP

HNLISP

Honolulu

Wed 8/6

1:03 pm-10:58 am

2 stops15h 55m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Hawaii to Islip

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

What is the cheapest month to book a flight from Hawaii to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from Hawaii to Islip, New York (average of $108). Flying from Hawaii to Islip, New York 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

What airport do you fly into for flights to Islip from Hawaii?
Islip Long Island (ISP) is the airport you will fly into if you book a flight from Hawaii 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 Hawaii to Islip that include hotel bookings?
Yes. In addition to deals on Hawaii to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Hawaii to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hawaii to Islip.
Can I find deals for business class flights from Hawaii to Islip?
Yes. Cheapflights offers flight deals from Hawaii 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 Hawaii to Islip, New York?
Currently, January is the cheapest month in which you can book a flight from Hawaii to Islip, New York (average of $108). Flying from Hawaii to Islip, New York 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.

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$802+ Cheap flights from Hawaii to Islip, NY (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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Hawaii to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Hawaii to Islip

Keep the following information in mind while searching for Hawaii to Islip flight deals. Data was last updated July 31, 2025.

Popular in

Cheapest in

Average price

Find flight deals from Hawaii to Islip

Cheapest flights from Hawaii to IslipExplore the most affordable flight options available from Hawaii to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Hawaii to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hawaii to Islip that are best for you.

Best time to book a flight from Hawaii to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Hawaii with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Hawaii to Islip

What is the cheapest month to book a flight from Hawaii to Islip, New York?

Related info for your journey

Find useful and relevant information for your journey from Hawaii 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 Hawaii?

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

How can I find direct flights from Hawaii to Islip?

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

What is the cheapest month to book a flight from Hawaii to Islip, New York?

Traveling to a place near Islip?

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Cheapest flights from Hawaii to Islip
Explore the most affordable flight options available from Hawaii to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.