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 Cali to Islip, New York?

Find a great deal and save up to 34% by booking at least 18 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 Cali to Islip, New York within the next two weeks, with the cheapest ticket starting at $488.

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

March is one of the best times of the year to fly to Islip, New York from Cali. Prices for March average $478 per person but you can even find prices for as low as $315. The most expensive prices can be found in the month of June. Opting for a March flight can save you 8% on your journey compared to booking in June

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

When flying from Cali 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.

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

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

How can I find direct flights from Cali to Islip?

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

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

Yes. Cheapflights offers flight deals from Cali 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.

$785+ Flights from Cali to Islip, NY

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Cheap flight deals from Cali to Islip

Round-trip from	$785 (Trip.com)
Popular in	June
Cheapest in	March
Average price	$504

From Cali Alfonso B. Aragon Intl to Islip Long Island

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Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Cheapest flights from Cali to Islip
Explore the most affordable flight options available from Cali to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Fri 8/154:42 amCLO - ISP

2 stops14h 00mMultiple Airlines

Fri 8/229:58 amISP - CLO

2 stops14h 24mMultiple Airlines

Deal found 7/1

$785

Best flights from Cali to Islip
Discover carefully curated flight deals from Cali to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 8/154:42 amCLO - ISP

2 stops14h 00mMultiple Airlines

Fri 8/229:58 amISP - CLO

2 stops14h 24mMultiple Airlines

Deal found 7/1

$785

Last-minute flights from Cali to Islip
Discover last-minute flight deals from Cali to Islip. Data last updated July 3, 2025 and is based on user searches.

Fri 8/154:42 amCLO - ISP

2 stops14h 00mMultiple Airlines

Fri 8/229:58 amISP - CLO

2 stops14h 24mMultiple Airlines

Deal found 7/1

$785

Cheapflights Fare Finder

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

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Route

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Price

CaliIslip

CLO - ISP

CLOISP

Cali Alfonso B. Aragon Intl

Fri 8/15

4:42 am-7:42 pm

2 stops14h 00m

Islip Long Island

Fri 8/22

9:58 am-11:22 pm

2 stops14h 24m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Cali to Islip

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

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

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

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

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$785+ Cheap flights from Cali (CLO) to Islip, NY (ISP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cali to Islip with Cheapflights

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Cheap flight deals from Cali to Islip

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Find flight deals from Cali to Islip

Cheapest flights from Cali to IslipExplore the most affordable flight options available from Cali to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Cali to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Cali to Islip

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

Cheapflights Insights

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

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

Related info for your journey

Find useful and relevant information for your journey from Cali 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 Cali to Islip that include hotel bookings?

How can I find direct flights from Cali to Islip?

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

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

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Cheapest flights from Cali to Islip
Explore the most affordable flight options available from Cali to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.