Cheap Flights from Islip to Charleston

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Flight deals from Islip to Charleston

Looking for a cheap last-minute deal or the best return flight from Islip to Charleston? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Islip to Charleston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to Charleston flights are currently cheapest in September.

Direct flights from Islip to Charleston

Islip to Charleston: Alternative routes

Compare routes from Islip to Charleston below. You may find an airport to fly into that's cheaper, faster, or easier than Charleston.

Islip to Charleston: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 1,882
Cheapest month to flySeptember
Average flight time2 hrs, 11 mins
Most popular airlineBreeze Airways
Average flights per week3

Finding cheap flights from Islip to Charleston: Frequently asked questions

The best price we found for a return flight from Islip to Charleston is ج.م.‏ 3,764. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 11 minutes is the average flight time from Islip to Charleston.
Breeze Airways flies direct from Islip to Charleston.
As of August 2025, there are 3 flights per week flying from Islip to Charleston.
The cheapest month to fly from Islip to Charleston is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Charleston Airport on Friday, 5 September 2025.
Yes – the average flight time is 2 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Charleston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Charleston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Breeze Airways offers the cheapest flight tickets to Charleston.

Travelling from Long Island MacArthur Airport (ISP) to Charleston International Airport (CHS): what you need to know

  • The average duration of a direct flight from Long Island MacArthur Airport to Charleston International Airport is 2 hours 10 minutes.

  • Charleston's timezone is UTC-4, which is the same as Islip.

  • Your ISP to CHS flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months like August, you'll want to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during a high season in general.

  • Breeze Airways has direct flights from Long Island MacArthur Airport to Charleston International Airport. Book with this popular carrier, then get ready to tick off the sights in Charleston — and maybe even more of United States if your schedule allows.

  • Most passengers choose to travel with Breeze Airways on this route.

  • If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Long Island MacArthur Airport to Charleston International Airport. Here are the top stopovers between ISP and CHS:

    • Baltimore/Wash International Thurgood Marshall Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Miami International Airport

How to find the cheapest flights from Long Island MacArthur Airport (ISP) to Charleston International Airport (CHS)

  • The lowest price we've seen for a one-way Long Island MacArthur Airport to Charleston International Airport flight is ج.م.‏ 1,882. A round-trip ticket is currently ج.م.‏ 3,764. Depending on the availability when you book, these fares may change.

  • Book six months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from ISP to CHS.

  • Plan your trip for May. That's the cheapest month for flights from Long Island MacArthur Airport to Charleston International Airport. If you're flexible with your dates, try out the 'Whole month' tool to see the lowest airfare across every month.

  • Save time looking for cheap flights from ISP to CHS by setting up a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Long Island MacArthur Airport to Charleston International Airport.

Handy information about Long Island MacArthur Airport (ISP)

  • You'll find ISP at 100 Arrivals Avenue.

  • Of all flights departing from Long Island MacArthur Airport, 77.45% land on time at their destination.

  • Long Island MacArthur Airport is about 16 kilometres from central Islip. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • The trip on public transport typically takes 1 hour 10 minutes.

  • Get your holiday off to a hassle-free start by staying near ISP. Whether you have an early flight from Long Island MacArthur Airport to Charleston International Airport or just don't want to be rushed, these hotels are ideal:

Arriving at Charleston International Airport (CHS)

Getting from Charleston International Airport (CHS) to central Charleston

  • From Charleston International Airport, Charleston is approximately 21 kilometres away. It takes around 30 minutes to reach the centre driving.

  • Travelling on public transport takes about 3 hours 35 minutes.

When to fly to Charleston International Airport (CHS)

  • July is the most popular month for flights from Long Island MacArthur Airport to Charleston International Airport. To avoid the crowds, head to Charleston in April.

  • Lock in your flight from Long Island MacArthur Airport to Charleston International Airport for July if you'd like to go to Charleston during its warmest month. Expect temperatures of between 24ºC and 32ºC.

  • If you want cooler conditions, look for a cheap ticket from ISP to CHS in January. Average temperatures are between 4ºC and 17ºC then.

Explore more of United States

  • Charleston is always a good idea, but there are so many other parts of United States waiting to be explored. About 322 kilometres south-west of Charleston, a trip to Jacksonville will keep you on the go. Start with attractions like Jacksonville Zoo and Gardens, The Cummer Museum of Art & Gardens and Friendship Fountain.

  • If there's time to check out another major destination in United States, consider Charlotte, roughly 290 kilometres north of Charleston. NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.