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

View $51 flight on Mon, Aug 31, 2026Opens in a new window

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

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Cheap Flights from Islip to Charleston (ISP-CHS)

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
Mon, Aug 24 - Wed, Sep 2
ISP
Islip
CHS
Charleston
$102 Roundtrip, found 21 hours ago
$102
Roundtrip
found 21 hours ago
Select Breeze Airways flight, departing Mon, Aug 24 from Islip to Charleston, returning Wed, Sep 2, priced at $102 found 21 hours ago
Breeze Airways
Wed, Sep 2 - Sat, Sep 5
ISP
Islip
CHS
Charleston
$107 Roundtrip, found 3 days ago
$107
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Wed, Sep 2 from Islip to Charleston, returning Sat, Sep 5, priced at $107 found 3 days ago
Breeze Airways
Fri, Aug 28 - Fri, Sep 4
ISP
Islip
CHS
Charleston
$112 Roundtrip, found 23 hours ago
$112
Roundtrip
found 23 hours ago
Select Breeze Airways flight, departing Fri, Aug 28 from Islip to Charleston, returning Fri, Sep 4, priced at $112 found 23 hours ago
Breeze Airways
Fri, Sep 11 - Mon, Sep 14
ISP
Islip
CHS
Charleston
$117 Roundtrip, found 3 days ago
$117
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Sep 11 from Islip to Charleston, returning Mon, Sep 14, priced at $117 found 3 days ago
Breeze Airways
Sat, May 16 - Tue, May 19
ISP
Islip
CHS
Charleston
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Sat, May 16 from Islip to Charleston, returning Tue, May 19, priced at $120 found 1 day ago
Breeze Airways
Sat, May 9 - Tue, May 12
ISP
Islip
CHS
Charleston
$121 Roundtrip, found 2 days ago
$121
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Sat, May 9 from Islip to Charleston, returning Tue, May 12, priced at $121 found 2 days ago
Breeze Airways
Mon, Apr 27 - Fri, May 1
ISP
Islip
CHS
Charleston
$122 Roundtrip, found 1 hour ago
$122
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Mon, Apr 27 from Islip to Charleston, returning Fri, May 1, priced at $122 found 1 hour ago
Breeze Airways
Sat, May 16 - Tue, May 19
ISP
Islip
CHS
Charleston
$125 Roundtrip, found 1 day ago
$125
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Sat, May 16 from Islip to Charleston, returning Tue, May 19, priced at $125 found 1 day ago
Southwest Airlines
Tue, May 5 - Wed, May 6
ISP
Islip
CHS
Charleston
$319 Roundtrip, found 4 days ago
$319
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, May 5 from Islip to Charleston, returning Wed, May 6, priced at $319 found 4 days ago
JetBlue Airways
Fri, Aug 28 - Sun, Sep 6
ISP
Islip
CHS
Charleston
$503 Roundtrip, found 3 days ago
$503
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Fri, Aug 28 from Islip to Charleston, returning Sun, Sep 6, priced at $503 found 3 days ago

Alternative airports near Charleston

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

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $146
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $146

Frequently asked questions

How much does a flight from Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) cost?
You can find cheap one-way flights from $51 and cheap return flights from $102 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) with Expedia. One-way flights typically cost between $146 and $883, and return flights often range between $305 and $2137. 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
February is the cheapest month to fly from Islip, NY (ISP) to Charleston, SC (CHS), with average round-trip fares around $179. This fare is about 38% lower than the average price for the year, as demand typically drops after the holiday season. Other affordable months to consider are March and June.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
Enter ISP to CHS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
To find a cheap flight from Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.), 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
The best airline to fly with from Islip, NY (ISP) to Charleston, SC (CHS) 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. 9K offers the most daily flights from ISP to CHS, 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
The best time to fly from Islip, NY (ISP) to Charleston, SC (CHS) is in February or March. February features an average return flight price of about $179, making it a budget-friendly option, while March is also a great time to visit. These months provide a good mix of affordability and enjoyable weather, making your trip to Charleston even more pleasant.*Prices based on flights available on Expedia in the last year.
How many flights per day from Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
There are approximately 1 nonstop flights per day from MacArthur (ISP) to Charleston Intl. (CHS). For more options, look at flights that include layovers.
What is the earliest flight from Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
The earliest flight from Islip, NY (MacArthur) to Charleston, SC (Charleston Intl.) typically departs at around 5:00 AM. This seasonal service is operated by Southwest Airlines, allowing you to start your day early and make the most of your time in Charleston. 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
The most popular departure times for flights from Islip (ISP) to Charleston (CHS) are in the early morning, from 6am to 9am. About 34% of passengers prefer this time window. Many major carriers, including United Airlines and Southwest Airlines, offer flights during this window. This timing works well because it allows you to arrive in Charleston with ample time to explore the city.
How long does it take to fly from Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
A nonstop flight from ISP to CHS typically takes around 2 hours 20 minutes, covering approximately 667 miles. Connecting flights on this route usually add 2 hours 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
Select the "Business class" and "First class" filters when looking for ISP to CHS 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) flight with Expedia?
It's easy to earn miles on a Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) 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 Charleston from MacArthur (ISP)?
If you're planning to travel to Charleston from MacArthur (ISP), you can fly into Charleston Intl. (CHS) Some flights may connect through major hubs like Logan Intl. (BOS), Baltimore Washington Intl. Thurgood Marshall (BWI), Miami Intl. (MIA) before reaching Charleston. 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) at the last minute?
Typically, booking a last minute flight from Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) flight and hotel package?
Securing a Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) 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 Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.)?
If you booked your Islip, NY (ISP-MacArthur) to Charleston, SC (CHS-Charleston Intl.) 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
MacArthur
Destination airport
Charleston Intl.
Airlines serving
Breeze Airways, JetBlue Airways, Southwest Airlines
Roundtrip price
$101
Distance
666 mi
Average flight time
2 hours 50 mins

*Flight schedules are subject to change.

*Available to One Key members.

 

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