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89 € Cheap Flights from Charleston to Islip

Compare Charleston to Islip flight deals

Find the cheapest month or even day of the year to fly to Islip

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Flight deals from Charleston to Islip

Looking for a cheap last-minute deal or the best return flight from Charleston Airport to Islip Airport? If you want to travel next month, return fares start from 131 €. Find the lowest prices on one-way and return tickets right here.
Islip.89 € per passenger.Departing Fri, 28 Aug, returning Mon, 31 Aug.Return flight with Breeze Airways.Outbound direct flight with Breeze Airways departs from Charleston on Fri, 28 Aug, arriving in Islip.Inbound direct flight with Breeze Airways departs from Islip on Mon, 31 Aug, arriving in Charleston.Price includes taxes and charges.From 89 €, select.
Islip.116 € per passenger.Departing Fri, 2 Oct, returning Mon, 5 Oct.Return flight with Breeze Airways.Outbound direct flight with Breeze Airways departs from Charleston on Fri, 2 Oct, arriving in Islip.Inbound direct flight with Breeze Airways departs from Islip on Mon, 5 Oct, arriving in Charleston.Price includes taxes and charges.From 116 €, select.
Islip.131 € per passenger.Departing Wed, 15 Jul, returning Fri, 17 Jul.Return flight with Breeze Airways.Outbound direct flight with Breeze Airways departs from Charleston on Wed, 15 Jul, arriving in Islip.Inbound direct flight with Breeze Airways departs from Islip on Fri, 17 Jul, arriving in Charleston.Price includes taxes and charges.From 131 €, select.
Islip.187 € per passenger.Departing Thu, 10 Sep, returning Mon, 14 Sep.Return flight with Breeze Airways.Outbound indirect flight with Breeze Airways, departs from Charleston on Thu, 10 Sep, arriving in Islip.Inbound indirect flight with Breeze Airways, departs from Islip on Mon, 14 Sep, arriving in Charleston.Price includes taxes and charges.From 187 €, select.
Islip.196 € per passenger.Departing Fri, 26 Jun, returning Sat, 27 Jun.Return flight with Breeze Airways.Outbound direct flight with Breeze Airways departs from Charleston on Fri, 26 Jun, arriving in Islip.Inbound direct flight with Breeze Airways departs from Islip on Sat, 27 Jun, arriving in Charleston.Price includes taxes and charges.From 196 €, select.
Islip.290 € per passenger.Departing Fri, 11 Dec, returning Tue, 15 Dec.Return flight with Breeze Airways and jetBlue.Outbound indirect flight with Breeze Airways, departs from Charleston on Fri, 11 Dec, arriving in Islip.Inbound indirect flight with jetBlue, departs from Islip on Tue, 15 Dec, arriving in Charleston.Price includes taxes and charges.From 290 €, select.
Islip.351 € per passenger.Departing Mon, 14 Dec, returning Fri, 18 Dec.Return flight with Breeze Airways.Outbound direct flight with Breeze Airways departs from Charleston on Mon, 14 Dec, arriving in Islip.Inbound direct flight with Breeze Airways departs from Islip on Fri, 18 Dec, arriving in Charleston.Price includes taxes and charges.From 351 €, select.

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 August.
Jun
from 196 €
Jul
from 131 €
Aug
from 89 €
Sep
from 187 €
Oct
from 116 €
Nov
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Dec
from 290 €
Jan
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Feb
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Mar
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Apr
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May
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Direct flights from Charleston to Islip

Charleston to Islip: Alternative routes

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

Islip

12km from central Islip
Closest
from 89 €
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Bridgeport

49km from central Islip
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New York John F. Kennedy

49km from central Islip
from 150 €
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Westchester County

56km from central Islip
from 110 €
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New York LaGuardia

56km from central Islip
from 170 €
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New Haven

65km from central Islip
Cheapest
from 69 €
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New York Newark

81km from central Islip
from 170 €
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Charleston to Islip: Flight information

The things to know before you go.
Cheapest flight found89 €
Cheapest month to flyAugust
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 return flight from Charleston to Islip is 89 €. 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.
As of June 2026, there are 3 flights per week flying from Charleston to Islip.
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, 28 August 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.

Travelling 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 travelling 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 travellers 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

How to find the cheapest flights from Charleston Airport (CHS) to Islip Airport (ISP)

  • Currently, 64 € is the cheapest price we've seen for a one-way Charleston Airport to Islip Airport flight. The best price for a return ticket is 89 €. Remember that fares may change due to demand at the time of booking.

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

  • Schedule your trip for August. That's the cheapest month for flights from Charleston Airport to Islip Airport. If your travel dates are flexible, use the 'Whole month' tool to find the lowest airfare across each month.

  • There's no need to check every day to see if fares have gone down when you create a Price Alert. We'll send you an update the moment the price changes on cheap flights from CHS to ISP.

  • Tailor your trip using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Charleston Airport to Islip 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 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, ride-sharing or catching a taxi.

  • 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 travelling 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 kilometres 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 kilometres south-west of Islip. Independence Hall, Liberty Bell and Philadelphia Museum of Art are key highlights.

Plan the rest of your trip from Charleston to Islip

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