In terms of precipitation, rainfall in Islip 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 when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, 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 Columbia to Islip?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 43 days in advance, which can save you up to 210% on flights from Columbia to Islip compared to booking the week you need them. Waiting 43 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $347. For sooner than that we have options available in the next 3 days from $469.

What is the cheapest month to fly from Columbia to Islip?

July is one of the best times of the year to fly to Islip from Columbia. Prices for July average $347 per person but you can even find prices for as low as $95. The most expensive prices can be found in the month of November. Opting for a July flight can save you 38% on your journey compared to booking in November

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

When flying from Columbia to Islip, 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 Columbia to Islip that include hotel bookings?

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

How can I find direct flights from Columbia to Islip?

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

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

Yes. Cheapflights offers flight deals from Columbia 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.

$185+ Cheap Flights from Columbia to Islip

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Cheap flight deals from Columbia to Islip

Round-trip from	$778 (United)
One-way from	$185 (Kiwi.com)
Popular in	November
Cheapest in	July
Average price	$319

From Columbia Metropolitan to Islip Long Island

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One-way flight from Columbia Metropolitan to Islip Long Island

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Highest demand for flights based on searches. 18% potential increase in price ($79 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Columbia to Islip

Cheapest flights from Columbia to Islip
Explore the most affordable flight options available from Columbia to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Sat 9/2011:31 amCAE - ISP

2 stops23h 09mMultiple Airlines

Sat 9/275:05 pmISP - CAE

1 stop25h 11mMultiple Airlines

Deal found 9/10

$363

Mon 11/105:24 pmCAE - ISP

2 stops17h 34mMultiple Airlines

Tue 11/187:30 amISP - CAE

2 stops9h 13mMultiple Airlines

Deal found 9/10

$778

Best flights from Columbia to Islip
Discover carefully curated flight deals from Columbia to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Mon 11/105:24 pmCAE - ISP

2 stops17h 34mMultiple Airlines

Tue 11/187:30 amISP - CAE

2 stops9h 13mMultiple Airlines

Deal found 9/10

$778

Last-minute flights from Columbia to Islip
Discover last-minute flight deals from Columbia to Islip. Data last updated September 11, 2025 and is based on user searches.

Sat 9/2011:31 amCAE - ISP

2 stops23h 09mMultiple Airlines

Sat 9/275:05 pmISP - CAE

1 stop25h 11mMultiple Airlines

Deal found 9/10

$363

One-way flights from Columbia to Islip
Search for one-way flight options from Columbia to Islip. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Sun 10/194:33 pmCAE - ISP

3 stops41h 11mMultiple Airlines

Deal found 9/10

$185

Fri 1/27:37 pmCAE - ISP

2 stops19h 44mMultiple Airlines

Deal found 9/9

$535

Wed 9/2411:04 amCAE - ISP

2 stops23h 54mMultiple Airlines

Deal found 9/11

$559

Fly from

Fly to

Route

Depart

Return

Price

ColumbiaIslip

CAE - ISP

CAEISP

Columbia Metropolitan

Mon 11/10

5:24 pm-10:58 am

2 stops17h 34m

Islip Long Island

Tue 11/18

7:30 am-4:43 pm

2 stops9h 13m

$778

ColumbiaIslip

CAE - ISP

CAEISP

Columbia Metropolitan

Sun 10/19

4:33 pm-9:44 am

3 stops41h 11m

$185

ColumbiaIslip

CAE - ISP

CAEISP

Columbia Metropolitan

Fri 1/2

7:37 pm-3:21 pm

2 stops19h 44m

$535

ColumbiaIslip

CAE - ISP

CAEISP

Columbia Metropolitan

Wed 9/24

11:04 am-10:58 am

2 stops23h 54m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Columbia to Islip

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

What is the cheapest month to book a flight from Columbia to Islip?

Currently, January is the cheapest month in which you can book a flight from Columbia to Islip (average of $108). Flying from Columbia to Islip 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 Columbia to Islip that include hotel bookings?
Yes. In addition to deals on Columbia to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Columbia to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbia to Islip.
Can I find deals for business class flights from Columbia to Islip?
Yes. Cheapflights offers flight deals from Columbia 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 Columbia to Islip?
Currently, January is the cheapest month in which you can book a flight from Columbia to Islip (average of $108). Flying from Columbia to Islip 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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$185+ Cheap flights from Columbia to Islip (CAE - 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Columbia to Islip with Cheapflights

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Cheap flight deals from Columbia to Islip

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Find flight deals from Columbia to Islip

Cheapest flights from Columbia to IslipExplore the most affordable flight options available from Columbia to Islip. 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 Columbia to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Columbia to Islip

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Columbia to Islip?

Related info for your journey

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

How can I find direct flights from Columbia to Islip?

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

What is the cheapest month to book a flight from Columbia to Islip?

Traveling to a place near Islip?

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Cheapest flights from Columbia to Islip
Explore the most affordable flight options available from Columbia to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.