How popular is this Islip, New York to Charleston flight route?

The Islip Long Island to Charleston flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from Islip, New York to Charleston round-trip?

According to our current data, Breeze Airways ($78), offers the cheapest pricing from Islip, New York to Charleston. Breeze Airways is priced at 64% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Islip, New York to Charleston?

Travelers seeking maximum savings on their Islip, New York to Charleston flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

If weather is an important factor for your trip to Charleston, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What are the cheapest flights from Islip, New York to Charleston?

Looking for the cheapest flight from Islip, New York to Charleston? While on average our users pay $155, our data indicates the cheapest price to be $84. The most popular route (Islip Long Island - Charleston), is priced around $83.

What is the cheapest day to fly round-trip from Islip, New York to Charleston?

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 29% when planning your travel around this day of the week.

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

To save up to 63% on this flight, we recommend booking at least 20 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Islip, New York to Charleston from $175 1-2 weeks out and tickets from $301 for flights departing within the next 72 hours.

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

Our data shows that September tends to be the cheapest month to fly to Charleston from Islip, New York. Users have commonly found prices around $215 for the month, but tickets can be as low as $53. Due to multiple factors, prepare for potentially higher prices in May.

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

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

How can I find direct flights from Islip to Charleston?

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

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

Yes. Cheapflights offers flight deals from Islip to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$39+ Flights from Islip, NY to Charleston

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Islip to Charleston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Islip Long Island to Charleston are usually found in January or February, booked 40 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from Islip to Charleston

Round-trip from	$78 (Breeze Airways)
One-way from	$39 (Breeze Airways)
Popular in	April
Cheapest in	January
Average price	$214
Good round-trip deal	$161 or less
Good one-way deal	$109 or less

From Islip Long Island to Charleston

Search Deals

One-way flight from Islip Long Island to Charleston

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($21 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Islip Long Island to Charleston.

Search Deals

Price to beat on a one-way flight from Islip Long Island to Charleston.

Search Deals

Find flight deals from Islip to Charleston

Cheapest flights from Islip to Charleston
Explore the most affordable flight options available from Islip to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Fri 9/128:47 pmISP - CHS

Nonstop2h 12mBreeze Airways

Mon 9/156:14 pmCHS - ISP

Nonstop1h 53mBreeze Airways

Deal found 7/28

$78

Best flights from Islip to Charleston
Discover carefully curated flight deals from Islip to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Fri 9/128:47 pmISP - CHS

Nonstop2h 12mBreeze Airways

Mon 9/156:14 pmCHS - ISP

Nonstop1h 53mBreeze Airways

Deal found 7/28

$78

Last-minute flights from Islip to Charleston
Discover last-minute flight deals from Islip to Charleston. Data last updated July 29, 2025 and is based on user searches.

Thu 8/77:39 pmISP - CHS

1 stop3h 23mBreeze Airways

Mon 8/118:00 amCHS - ISP

Nonstop1h 56mBreeze Airways

Deal found 7/27

$161

Sat 8/302:12 pmISP - CHS

Nonstop2h 07mBreeze Airways

Tue 9/210:00 amCHS - ISP

1 stop3h 15mBreeze Airways

Deal found 7/27

$83

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

Mon 9/158:47 pmISP - CHS

Nonstop2h 12mBreeze Airways

Deal found 7/28

$39

Fly from

Fly to

Route

Depart

Return

Price

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Fri 9/12

8:47 pm-10:59 pm

Nonstop2h 12m

Charleston

Mon 9/15

6:14 pm-8:07 pm

Nonstop1h 53m

$78

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Mon 9/15

8:47 pm-10:59 pm

Nonstop2h 12m

$39

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Islip to Charleston

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

How far ahead should I book a flight from Islip, New York to Charleston?

The best time to book flights from Islip, New York to Charleston is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Islip, New York to Charleston (average of $217). Flying from Islip, New York to Charleston in March is currently the most expensive (average of $335). 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.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 29% on flights from Islip, New York to Charleston by exploring options for tickets in the morning.

Reviews of airlines servicing Charleston

Read reviews from past customers who have flown Breeze Airways from Islip to Charleston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Breeze Airways

8.0

Very good

190 reviews

Reviews

1 / 13

8.0

Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Breeze Airways

8.0

Very good

190 reviews

Breeze Airways

8.0

Very good

190 reviews

Reviews

1 / 13

8.0

Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Related info for your journey

How popular is this Islip, New York to Charleston flight route?
The Islip Long Island to Charleston flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What is the cheapest airline to fly from Islip, New York to Charleston round-trip?
According to our current data, Breeze Airways ($78), offers the cheapest pricing from Islip, New York to Charleston. Breeze Airways is priced at 64% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest flights from Islip, New York to Charleston?
Looking for the cheapest flight from Islip, New York to Charleston? While on average our users pay $155, our data indicates the cheapest price to be $84. The most popular route (Islip Long Island - Charleston), is priced around $83.
Can I find deals for flights from Islip to Charleston that include hotel bookings?
Yes. In addition to deals on Islip to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Charleston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Charleston.
Can I find deals for business class flights from Islip to Charleston?
Yes. Cheapflights offers flight deals from Islip to Charleston 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 Islip, New York to Charleston?
Currently, August is the cheapest month in which you can book a flight from Islip, New York to Charleston (average of $217). Flying from Islip, New York to Charleston in March is currently the most expensive (average of $335). 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.

See more FAQs

North Charleston

Summerville

Walterboro

Mount Pleasant

Isle of Palms

Santee

Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Islip to Charleston

LaGuardia to Charlotte flights

John F Kennedy Intl to Charleston flights

John F Kennedy Intl to Charlotte flights

Newark to Charlotte flights

Newark to Charleston flights

Newark to Myrtle Beach flights

John F Kennedy Intl to Myrtle Beach flights

LaGuardia to Charleston flights

John F Kennedy Intl to Savannah flights

LaGuardia to Myrtle Beach flights

Newark to Savannah flights

White Plains to Charleston flights

LaGuardia to Savannah flights

Stewart to Myrtle Beach flights

Newark to Greenville flights

White Plains to Myrtle Beach flights

Buffalo to Charlotte flights

Rochester to Charlotte flights

John F Kennedy Intl to Greenville flights

LaGuardia to Columbia flights

LaGuardia to Greenville flights

Newark to Hilton Head Island flights

Syracuse to Charlotte flights

John F Kennedy Intl to Columbia flights

John F Kennedy Intl to Hilton Head Island flights

Stewart to Charleston flights

LaGuardia to Hilton Head Island flights

Albany to Charlotte flights

Islip to Charlotte flights

White Plains to Charlotte flights

Buffalo to Myrtle Beach flights

Albany to Myrtle Beach flights

White Plains to Savannah flights

Rochester to Charleston flights

Newark to Columbia flights

Albany to Charleston flights

Rochester to Myrtle Beach flights

Islip to Myrtle Beach flights

White Plains to Greenville flights

Stewart to Charlotte flights

Rochester to Savannah flights

Syracuse to Greenville flights

John F Kennedy Intl to Augusta flights

Albany to Greenville flights

Syracuse to Myrtle Beach flights

Syracuse to Savannah flights

Newark to Augusta flights

Ithaca to Charlotte flights

LaGuardia to Augusta flights

Other flights to Charleston

Complete your trip

Charleston car rentals

Charleston Airport car rentals

Myrtle Beach Intl Airport car rentals

Savannah/Hilton Head Airport car rentals

Hilton Head Island Airport car rentals

Florence Airport car rentals

Myrtle Beach car rentals

Greenville car rentals

Columbia car rentals

Florence car rentals

Hilton Head Island car rentals

Top 2 airlines flying from Islip to Charleston

Airline	Cheapest	Average	Flexibility	On-time
Breeze Airways	Cheapest$94	Average$216	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$270	Average$457	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$39+ Cheap flights from Islip, NY to Charleston (ISP - CHS)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Charleston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Islip Long Island to Charleston are usually found in January or February, booked 40 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from Islip to Charleston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Islip to Charleston

Cheapest flights from Islip to CharlestonExplore the most affordable flight options available from Islip to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Islip to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Islip to Charleston

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

Cheapflights Insights

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

How far ahead should I book a flight from Islip, New York to Charleston?

Use this chart to determine the optimal time to book a round-trip flight from Islip to Charleston. Price data was last updated on July 25, 2025.

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

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

Find hourly flight availability from Islip to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Reviews of airlines servicing Charleston

Read reviews from past customers who have flown Breeze Airways from Islip to Charleston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Islip to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Islip, New York to Charleston flight route?

What is the cheapest airline to fly from Islip, New York to Charleston round-trip?

What are the cheapest flights from Islip, New York to Charleston?

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

How can I find direct flights from Islip to Charleston?

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

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

Traveling to a place near Charleston?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Charleston

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Islip to Charleston

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Islip to Charleston
Explore the most affordable flight options available from Islip to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.