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 month to fly from Charleston, West Virginia to Islip, New York?

August is one of the best times of the year to fly to Islip, New York from Charleston, West Virginia. Prices for August average $269 per person but you can even find prices for as low as $69. The most expensive prices can be found in the month of September. Opting for a August flight can save you 31% on your journey compared to booking in September

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

When flying from Charleston, West Virginia 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 Charleston to Islip that include hotel bookings?

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

How can I find direct flights from Charleston to Islip?

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

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

Yes. Cheapflights offers flight deals from Charleston 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.

$361+ Flights from Charleston, WV to Islip, NY

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Cheap flight deals from Charleston to Islip

Popular in	September
Cheapest in	August
Average price	$288

Highest demand for flights based on searches. 11% potential increase in price ($35 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Charleston to Islip

One-way flights from Charleston to Islip
Search for one-way flight options from Charleston to Islip. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Thu 8/2111:40 amCRW - ISP

3 stops22h 24mBreeze Airways

Deal found 6/26

$361

Cheapflights Fare Finder

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Route

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Price

CharlestonIslip

CRW - ISP

CRWISP

Charleston Yeager

Thu 8/21

11:40 am-10:04 am

3 stops22h 24m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Best time to book a flight from Charleston to Islip

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

What is the cheapest month to book a flight from Charleston, West Virginia to Islip, New York?

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

Reviews of airlines servicing Islip

Peruse reviews from past customers who have flown with Breeze Airways from Charleston to Islip to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Breeze Airways

8.1

Very good

182 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Breeze Airways

8.1

Very good

182 reviews

Breeze Airways

8.1

Very good

182 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

Can I find deals for flights from Charleston to Islip that include hotel bookings?
Yes. In addition to deals on Charleston to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Charleston to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Islip.
Can I find deals for business class flights from Charleston to Islip?
Yes. Cheapflights offers flight deals from Charleston 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 Charleston, West Virginia to Islip, New York?
Currently, January is the cheapest month in which you can book a flight from Charleston, West Virginia to Islip, New York (average of $108). Flying from Charleston, West Virginia 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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$361+ Cheap flights from Charleston, WV to Islip, NY (CRW - 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Charleston 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 Charleston to Islip

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Average price

Find flight deals from Charleston to Islip

One-way flights from Charleston to IslipSearch for one-way flight options from Charleston to Islip. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Search for one-way flight options from Charleston to Islip. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Charleston to Islip

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Charleston, West Virginia to Islip, New York?

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated June 26, 2025.

Peruse reviews from past customers who have flown with Breeze Airways from Charleston to Islip to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How can I find direct flights from Charleston to Islip?

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

What is the cheapest month to book a flight from Charleston, West Virginia to Islip, New York?

Traveling to a place near Charleston?

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One-way flights from Charleston to Islip
Search for one-way flight options from Charleston to Islip. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.