Cheap Flights from Charleston to Islip

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Flight deals from Charleston to Islip

Looking for a cheap last-minute deal or the best round-trip flight from Charleston Airport to Islip Airport? If you want to travel next month, round-trip fares start from AED 558. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Charleston to Islip

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

Direct flights from Charleston to Islip

Charleston to Islip: Flight information

The things to know before you go.
Cheapest flight foundAED 272
Cheapest month to flyDecember
Average flight time1 hr, 56 mins
Most popular airlineBreeze Airways
Average flights per week3

Finding cheap flights from Charleston to Islip: Frequently asked questions

The best price we found for a round-trip flight from Charleston to Islip is AED 380. 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.
1 hour and 56 minutes is the average flight time from Charleston to Islip.
Breeze Airways flies direct from Charleston to Islip.
There are 3 flights per week flying from Charleston to Islip, as of June 2026.
The cheapest month to fly from Charleston to Islip is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charleston Airport to Islip Airport on Friday, August 28, 2026.
Yes – the average flight time is 1 hour and 56 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 Islip 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 Islip 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 Islip.

Traveling from Charleston Airport (CHS) to Islip Airport (ISP): what you need to know

  • Hop on a direct flight from Charleston Airport to Islip Airport and you'll be traveling for an average of 1 hour 55 minutes.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your CHS to ISP flight.

  • During popular months such as July, it's best to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a high season in general.

  • Breeze Airways has direct flights from Charleston Airport to Islip Airport. Book with this popular carrier, then get ready to discover the sights in Islip — and maybe even more of the United States if time allows.

  • Breeze Airways is the airline most travelers choose to fly with on this route.

  • Think about adding a stopover when booking your ticket from Charleston Airport to Islip Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between CHS and ISP:

    • Orlando International Airport

    • Baltimore Washington International Airport

    • West Palm Beach International Airport

Handy information about Charleston Airport (CHS)

  • 79% of flights departing from Charleston Airport arrive at their destination on time.

  • Central Charleston to Charleston Airport is around 19 kilometers. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Expect a trip time of around 50 minutes when using public transport.

  • Get your journey off to a leisurely start by staying near CHS. Whether you've booked an early flight from Charleston Airport to Islip Airport or just don't want to be rushed, these stays have you covered:

Arriving at Islip Airport (ISP)

When to fly to Islip Airport (ISP)

  • July is the busiest month for flights from Charleston Airport to Islip Airport. For smaller crowds, head to Islip in December.

  • Book your flight from Charleston Airport to Islip Airport for July if you want to go to Islip during its warmest month. Expect temperatures of between 19ºC (66ºF) and 29ºC (84ºF).

  • Look for cheap tickets from CHS to ISP in January if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between -4ºC (25ºF) and 8ºC (46ºF) on average.

Explore more of the United States

  • Islip is always a good idea, but there are so many other parts of the United States just waiting to be explored. Around 64 kilometers west of Islip, a trip to New York will keep your itinerary busy. Check out popular attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • If you want to check out another major stop in the United States, consider Philadelphia, roughly 193 kilometers south-west of Islip. Independence Hall, Liberty Bell and Philadelphia Museum of Art are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.