C$77 Cheap Flights from Islip (ISP) to Charleston (CHS)

Compare Islip to Charleston flight deals

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Flight deals from Islip to Charleston

Looking for a cheap last-minute deal or the best return flight from Islip Airport to Charleston Airport? If you want to travel next month, return fares start from C$151. 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 June.

Which airlines fly 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 foundC$77
Cheapest month to flyJune
Average flight time2 hrs, 10 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 C$135. 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 10 minutes is the average flight time from Islip to Charleston.
Breeze Airways flies direct from Islip to Charleston.
As of May 2026, there are 3 flights per week flying from Islip to Charleston.
The cheapest month to fly from Islip to Charleston is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Charleston Airport on Wednesday, August 26, 2026.
Yes – the average flight time is 2 hours and 10 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.

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

  • Expect to be in the skies for around 2 hours 9 minutes. That's the average time for a direct flight from Long Island MacArthur Airport to Charleston International Airport. Charleston and Islip share the same timezone (UTC-4).

  • If you're getting away during a popular month like August, be at the airport even earlier. You'll want to arrive up to four hours before international flights and two hours ahead of a domestic departure. Security lines will be longer during vacation periods like summer and spring break.

  • We make it a cinch to book a flight with a stopover. To see all your options for flights from Long Island MacArthur Airport to Charleston International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Some popular stopovers between ISP and CHS include:

    • Baltimore/Wash International Thurgood Marshall Airport

    • Miami International Airport

    • Hartsfield-Jackson Atlanta International Airport

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

  • The lowest price we've found for a one-way ticket from Long Island MacArthur Airport to Charleston International Airport is C$77. For a return flight on this route, the best price is C$135. Depending on the availability when you book, these fares could change.

  • To get your hands on cheap flight tickets from ISP to CHS, book your journey 9 months ahead of your departure.

  • May is the cheapest month for flight tickets from Long Island MacArthur Airport to Charleston International Airport. If you prefer to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Create a Price Alert for cheap flight tickets from ISP to CHS. You don't need to check every day to see whether prices have dropped. We'll notify you as soon as the price changes.

  • Use filters to tailor your flights from Long Island MacArthur Airport to Charleston International Airport. Simply select your ideal arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to find the best deals.

Handy information about Long Island MacArthur Airport (ISP)

  • Long Island MacArthur Airport is about 16 kilometres from central Islip. If you're catching a cab, ride-sharing or driving from the center, it'll take you 17 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the trip time to be around 1 hour and 11 minutes.

  • Want an easy start to your travels? Stay near ISP. Whether you're on an early flight from Long Island MacArthur Airport to Charleston International Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at Charleston International Airport (CHS)

Getting from Charleston International Airport (CHS) to central Charleston

  • Charleston International Airport is approximately 21 kilometres from central Charleston. With your own car rental or if you're catching a cab, the drive is around 28 minutes.

  • It typically takes 3 hours and 36 minutes if you're traveling on public transport.

When to fly to Charleston International Airport (CHS)

  • The quietest month for a flight from Long Island MacArthur Airport to Charleston International Airport is April, while July is the busiest. Choose the ideal time to go to Charleston based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your flight from Long Island MacArthur Airport to Charleston International Airport, consider the type of weather you like. July is the warmest month in Charleston, with temperatures ranging from 24ºC to 32ºC.

  • Search for cheap flight tickets from ISP to CHS in January if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC and 17ºC on average.

More about Charleston

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Charleston right here. Browse these options after you've booked your flight from ISP to CHS:

  • Every great journey has to include some sightseeing. Rainbow Row, Fort Sumter National Monument and Charleston City Market are attractions you won't want to skip in Charleston.

Complete your Charleston trip with hotels and a car rental

  • You've got your cheap ticket to Charleston International Airport — next up is finding somewhere to stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in Charleston.

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