$51 Cheap Flights from Charleston (CHS) to Islip (ISP)

View $51 flight on Fri, Aug 28, 2026Opens in a new window

Popular airlines from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)

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Cheap Flights from Charleston to Islip (CHS-ISP)

Prices were available within the past 7 days and start at $51 for one-way flights and $102 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Aug 28 - Mon, Aug 31
CHS
Charleston
ISP
Islip
$102 Roundtrip, found 1 hour ago
$102
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Fri, Aug 28 from Charleston to Islip, returning Mon, Aug 31, priced at $102 found 1 hour ago
Breeze Airways
Fri, Aug 21 - Mon, Aug 24
CHS
Charleston
ISP
Islip
$107 Roundtrip, found 2 days ago
$107
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Fri, Aug 21 from Charleston to Islip, returning Mon, Aug 24, priced at $107 found 2 days ago
Breeze Airways
Fri, Aug 28 - Mon, Aug 31
CHS
Charleston
ISP
Islip
$112 Roundtrip, found 1 hour ago
$112
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Fri, Aug 28 from Charleston to Islip, returning Mon, Aug 31, priced at $112 found 1 hour ago
Breeze Airways
Fri, Aug 21 - Mon, Aug 24
CHS
Charleston
ISP
Islip
$117 Roundtrip, found 2 days ago
$117
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Fri, Aug 21 from Charleston to Islip, returning Mon, Aug 24, priced at $117 found 2 days ago
Breeze Airways
Fri, Apr 17 - Mon, Apr 20
CHS
Charleston
ISP
Islip
$122 Roundtrip, found 14 hours ago
$122
Roundtrip
found 14 hours ago
Select Breeze Airways flight, departing Fri, Apr 17 from Charleston to Islip, returning Mon, Apr 20, priced at $122 found 14 hours ago
Breeze Airways
Fri, May 1 - Mon, May 4
CHS
Charleston
ISP
Islip
$127 Roundtrip, found 1 hour ago
$127
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Fri, May 1 from Charleston to Islip, returning Mon, May 4, priced at $127 found 1 hour ago
Breeze Airways
Thu, Apr 30 - Mon, May 4
CHS
Charleston
ISP
Islip
$129 Roundtrip, found 2 days ago
$129
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Thu, Apr 30 from Charleston to Islip, returning Mon, May 4, priced at $129 found 2 days ago
Breeze Airways
Fri, Apr 24 - Sun, Apr 26
CHS
Charleston
ISP
Islip
$130 Roundtrip, found 12 hours ago
$130
Roundtrip
found 12 hours ago
Select Breeze Airways flight, departing Fri, Apr 24 from Charleston to Islip, returning Sun, Apr 26, priced at $130 found 12 hours ago
Southwest Airlines
Wed, May 6 - Sat, May 9
CHS
Charleston
ISP
Islip
$309 Roundtrip, found 6 days ago
$309
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, May 6 from Charleston to Islip, returning Sat, May 9, priced at $309 found 6 days ago
JetBlue Airways
Tue, Mar 31 - Tue, Apr 7
CHS
Charleston
ISP
Islip
$543 Roundtrip, found 18 hours ago
$543
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Tue, Mar 31 from Charleston to Islip, returning Tue, Apr 7, priced at $543 found 18 hours ago

Alternative airports near Islip

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to MacArthur ISP. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $510
ISP
MacArthur
CheapestClosest
Average driving time to city center14 min
Flights from $510

Frequently asked questions

How much does a flight from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) cost?
You can find cheap one-way flights from $51 and cheap return flights from $102 Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) with Expedia. One-way flights usually range from $154 to $842, and return flights typically cost between $296 and $2051. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
The cheapest month to fly from CHS to ISP is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
Enter CHS to ISP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
there is no airline information available. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
To find a cheap flight from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
The best airline to fly with from Charleston, SC (CHS) to Islip, NY (ISP) will differ from traveler to traveler. If you like to fly early, MX offers early morning flights. If price is the most important factor, MX typically offers the lowest fares. Delta offers the most daily flights from CHS to ISP, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
There are approximately 1 nonstop flights per day from Charleston Intl. (CHS) to MacArthur (ISP). For more options, look at flights that include layovers.
What is the earliest flight from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
The earliest flight from Charleston International Airport (CHS) to MacArthur Airport (ISP) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in December, giving you an early start for your trip to Islip. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
The most popular departure times for flights from Charleston (CHS-Charleston Intl.) to Islip (ISP-MacArthur) are in the morning, from 6am to 9am. About 38% of passengers prefer this time window. Many major carriers, including United Airlines, Southwest Airlines, and American Airlines, offer flights during this window. This timing is popular because it allows travelers to arrive in Islip with a full day ahead.
How long does it take to fly from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
A nonstop flight from CHS to ISP typically takes around 2 hours, covering approximately 667 miles. Connecting flights on this route usually add 1 hour 50 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
Select the "Business class" and "First class" filters when looking for CHS to ISP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) flight with Expedia?
It's easy to earn miles on a Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Islip from Charleston Intl. (CHS)?
If you're planning to travel to Islip from Charleston Intl. (CHS), you can fly into MacArthur (ISP) Some flights may connect through major hubs like Liberty Intl. (EWR), O'Hare Intl. (ORD), Washington Dulles Intl. (IAD) before reaching Islip. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) at the last minute?
Typically, booking a last minute flight from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) flight and hotel package?
Securing a Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur)?
If you booked your Charleston, SC (CHS-Charleston Intl.) to Islip, NY (ISP-MacArthur) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Charleston Intl.
Destination airport
MacArthur
Airlines serving
Breeze Airways, JetBlue Airways, Southwest Airlines
Roundtrip price
$101
Distance
666 mi
Average flight time
2 hours 34 mins

Book with confidence

Charleston to Islip Flights

The cheapest times to fly from Charleston to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Charleston to Islip are during the month of August. You can find some of the cheapest flights from Charleston to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Charleston to Islip

Sunday is one of the best days to book for cheap flights from Charleston to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Charleston to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Charleston to Islip in 2026. You can also book with separate airlines for your outbound and return journeys, from $51 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Charleston to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Charleston to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Charleston to Islip Flights

*Flight schedules are subject to change.

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*Available to One Key members.