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).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Pacific to Islip, New York as you normally would.

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

Located just 7.2 mi from the city center, Islip Long Island (ISP) is the airport most travelers will use when flying to Islip from South Pacific.

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

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

How can I find direct flights from South Pacific to Islip?

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

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

Yes. Cheapflights offers flight deals from South Pacific 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.

$1,609+ Cheap Flights from South Pacific to Islip, NY

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Cheap flight deals from South Pacific to Islip

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Popular in	December
Cheapest in	November
Average price	$1,166

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Highest demand for flights based on searches. 9% potential increase in price ($139 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($32 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 South Pacific to Islip

One-way flights from South Pacific to Islip
Search for one-way flight options from South Pacific to Islip. Find affordable one-way fares based on user searches. Data last updated October 29, 2025.

Mon 12/1510:35 pmMEL - ISP

3 stops57h 40mMultiple Airlines

Deal found 10/27

$1,609

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

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MelbourneIslip

MEL - ISP

MELISP

Melbourne

Mon 12/15

10:35 pm-4:15 pm

3 stops57h 40m

$1,609

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Best time to book a flight from South Pacific to Islip

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

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

Currently, May is the cheapest month in which you can book a flight from South Pacific to Islip, New York (average of $239). Flying from South Pacific to Islip, New York in April is currently the most expensive (average of $1,015). 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 South Pacific?
Located just 7.2 mi from the city center, Islip Long Island (ISP) is the airport most travelers will use when flying to Islip from South Pacific.
Can I find deals for flights from South Pacific to Islip that include hotel bookings?
Yes. In addition to deals on South Pacific to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Pacific to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Pacific to Islip.
Can I find deals for business class flights from South Pacific to Islip?
Yes. Cheapflights offers flight deals from South Pacific 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 South Pacific to Islip, New York?
Currently, May is the cheapest month in which you can book a flight from South Pacific to Islip, New York (average of $239). Flying from South Pacific to Islip, New York in April is currently the most expensive (average of $1,015). 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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$1,609+ Cheap flights from South Pacific 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Pacific 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 South Pacific to Islip

Keep the following information in mind while searching for South Pacific to Islip flight deals. Data was last updated October 29, 2025.

Most accurate provider

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Average price

Find flight deals from South Pacific to Islip

One-way flights from South Pacific to IslipSearch for one-way flight options from South Pacific to Islip. Find affordable one-way fares based on user searches. Data last updated October 29, 2025.

Search for one-way flight options from South Pacific to Islip. Find affordable one-way fares based on user searches. Data last updated October 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from South Pacific to Islip

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

Cheapflights Insights

Everything you need to know about your flight from South Pacific to Islip

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

Related info for your journey

Find useful and relevant information for your journey from South Pacific 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 South Pacific?

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

How can I find direct flights from South Pacific to Islip?

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

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

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One-way flights from South Pacific to Islip
Search for one-way flight options from South Pacific to Islip. Find affordable one-way fares based on user searches. Data last updated October 29, 2025.