Cheap flight deals from Islip to Charleston

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Islip to Charleston?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Islip (ISP) to Charleston (CHS) the cheapest?

Airlines adjust prices for flights from Islip to Charleston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Islip (ISP) to Charleston (CHS) cost?

According to Trip.com's data, the lowest price is around Rp 12,042,197.
How long does it take to fly from Islip (ISP) to Charleston (CHS) and what is the distance?

It takes around 2 hours 33 minutes to fly from Islip (ISP) to Charleston (CHS).
What is the transportation method from the main airport to downtown in Charleston?
- The distance from Charleston International Airport to downtown is about 16 km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from Islip (ISP) to Charleston (CHS)?

Airlines with flights from Islip (ISP) to Charleston (CHS): Breeze Airways.

How to find a cheap flight from Islip to Charleston

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Islip to Charleston. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest Islip to Charleston ticket.

Tap "Date" in the flight search bar to browse the calendar and find airfare from Islip to Charleston for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 1871345 for a one-way ticket on Wed, Apr 30.

Compare cheap Islip to Charleston flight deals from hundreds of airlines.

Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Islip to Charleston. The most affordable airline currently operating on this route is Frontier Airlines.

Set up a Price Alert to track fare drops.

Set up a Price Alert for your Islip to Charleston route to track ticket prices effortlessly—no need to check manually every day.

Don't miss out on cheap Islip to Charleston flight deals and promo codes.

Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.

Book early or wait unitl the last minute to fine the best fares.

It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.

Search for flights on the go.

For the best booking experience on the go, download Trip.com and search for cheap flights from Islip to Charleston to access exclusive deals just for you.

Flight Info | Islip to Charleston

Cheapest one-way flight price	Rp 1,871,345
Off-season for travel	March
Peak season for travel	February
Flight distance	1,072.66 km
Average flight time	2 hours 33 minutes
Popular airline	Jetblue Airways