$46 Cheap Flights from Islip (ISP) to Charleston (CHS)

View $46 flight on Fri, Jan 30, 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 $46 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Jan 30 - Mon, Feb 2
ISP
Islip
CHS
Charleston
$97 Roundtrip, found 6 days ago
$97
Roundtrip
found 6 days ago
Select Breeze Airways flight, departing Fri, Jan 30 from Islip to Charleston, returning Mon, Feb 2, priced at $97 found 6 days ago
Breeze Airways
Fri, Jan 30 - Mon, Feb 2
ISP
Islip
CHS
Charleston
$102 Roundtrip, found 6 days ago
$102
Roundtrip
found 6 days ago
Select Breeze Airways flight, departing Fri, Jan 30 from Islip to Charleston, returning Mon, Feb 2, priced at $102 found 6 days ago
Breeze Airways
Fri, Jan 30 - Mon, Feb 2
ISP
Islip
CHS
Charleston
$107 Roundtrip, found 6 days ago
$107
Roundtrip
found 6 days ago
Select Breeze Airways flight, departing Fri, Jan 30 from Islip to Charleston, returning Mon, Feb 2, priced at $107 found 6 days ago
Breeze Airways
Fri, Jan 2 - Fri, Jan 9
ISP
Islip
CHS
Charleston
$112 Roundtrip, found 1 day ago
$112
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Fri, Jan 2 from Islip to Charleston, returning Fri, Jan 9, priced at $112 found 1 day ago
Breeze Airways
Mon, Dec 15 - Wed, Dec 24
ISP
Islip
CHS
Charleston
$122 Roundtrip, found 1 hour ago
$122
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Mon, Dec 15 from Islip to Charleston, returning Wed, Dec 24, priced at $122 found 1 hour ago
Breeze Airways
Wed, Sep 24 - Fri, Sep 26
ISP
Islip
CHS
Charleston
$123 Roundtrip, found 3 days ago
$123
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Wed, Sep 24 from Islip to Charleston, returning Fri, Sep 26, priced at $123 found 3 days ago
Breeze Airways
Fri, Jan 30 - Sun, Feb 1
ISP
Islip
CHS
Charleston
$126 Roundtrip, found 5 days ago
$126
Roundtrip
found 5 days ago
Select Breeze Airways flight, departing Fri, Jan 30 from Islip to Charleston, returning Sun, Feb 1, priced at $126 found 5 days ago
Breeze Airways
Wed, Sep 24 - Fri, Sep 26
ISP
Islip
CHS
Charleston
$129 Roundtrip, found 3 days ago
$129
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Wed, Sep 24 from Islip to Charleston, returning Fri, Sep 26, priced at $129 found 3 days ago
Southwest Airlines
Wed, Nov 12 - Mon, Nov 17
ISP
Islip
CHS
Charleston
$160 Roundtrip, found 6 days ago
$160
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Nov 12 from Islip to Charleston, returning Mon, Nov 17, priced at $160 found 6 days ago
JetBlue Airways
Wed, Nov 5 - Mon, Nov 10
ISP
Islip
CHS
Charleston
$263 Roundtrip, found 1 hour ago
$263
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Nov 5 from Islip to Charleston, returning Mon, Nov 10, priced at $263 found 1 hour ago

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS) cost?
Secure a cheap one-way flight from $46 or cheap return flight from $97 from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
The cheapest month to fly from ISP to CHS is January, when there's less demand. Off-peak season is generally when airlines offer better prices between these airports.
Which airlines fly direct from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
You can fly nonstop from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS) on a Breeze Airways flight.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ISP to CHS flight.
How many flights per day from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
On average, you can take your pick of 3 direct flights taking off from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS) each week. If you don't find one that works for your schedule, consider a flight that includes a layover. Filter your search results on Expedia to include one stop or more and choose the best alternative.
What are the most popular departure times for flights from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
The 9 AM departures from ISP to CHS see the highest demand. Greater demand means you'll likely pay more for these departures. If you're looking to save, pick a less crowded time to fly.
What day of the week has the most flights from ISP to CHS?
Friday has the most flights from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
MacArthur Airport (ISP)'s first flight to Charleston Intl. Airport (CHS) takes off at approximately 9:50AM UTC-5. With a total travel time of 2h 9m, you'll land at around 11:59AM UTC-5.
How long does it take to fly from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
The average flight duration from ISP to CHS is 2 hours and 9 minutes, covering a total distance of 670 mi.
What airline has the least delays from ISP to CHS?
Breeze Airways has the best performance for on-time direct flights from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS), with an on-time rating of 100%. Use the Expedia App to check your journey status before you head off and get real-time alerts about any trip changes.
What is the best time to fly from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
Opt for a flight from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Charleston from MacArthur Airport (ISP)?
If you've booked a direct flight from MacArthur Airport (ISP) to Charleston, Charleston Intl. Airport (CHS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS) last-minute?
Holding off until just before your departure to book a ticket from ISP to CHS generally means paying more. While you may come across some last-minute deals, there's no guarantee. Be flexible with your travel plans for a better chance of getting a bargain.
Is it cheaper to book an ISP to CHS flight and hotel package?
Booking an ISP to CHS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Charleston Intl. Airport (CHS)?
Typically, it's possible to reschedule or cancel your ISP to CHS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
MacArthur
Destination airport
Charleston Intl.
Airlines serving
Breeze Airways, JetBlue Airways, Southwest Airlines
Roundtrip price
$96
Distance
666 mi
Average flight time
2 hours 12 mins

Book with confidence

Book with confidence

Islip to Charleston Flights

The cheapest times to fly from Islip to Charleston

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 Islip to Charleston are during the month of January. You can find some of the cheapest flights from Islip to Charleston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Charleston

Sunday is one of the best days to book for cheap flights from Islip to Charleston: 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 Islip to Charleston

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 Islip to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $46 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 Islip to Charleston 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 Islip to Charleston 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.

 

Islip to Charleston Flights

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