Cheap Flights from Charlotte (CLT) to Islip (ISP)

Compare Charlotte Douglas 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 Charlotte Douglas to Islip

Looking for a cheap last-minute deal or the best return flight from Charlotte Douglas Airport to Islip Airport? If you want to travel next month, return fares start from $373. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Charlotte Douglas to Islip

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

Charlotte to Islip: Flight information

The things to know before you go.
Cheapest flight found$336
Cheapest month to flyAugust

Finding cheap flights from Charlotte Douglas to Islip: Frequently asked questions

The best price we found for a return flight from Charlotte Douglas to Islip is $336. 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.
Currently, there are no airlines that fly direct from Charlotte Douglas to Islip. But we found flights with one or more stops from $336.
As of June 2026, there are no flights flying from Charlotte Douglas to Islip.
The cheapest month to fly from Charlotte Douglas to Islip is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charlotte Douglas Airport to Islip Airport on Saturday, 15 August 2026.
No airlines currently offer direct flights between Charlotte Douglas Airport and Islip Airport. Most routes have one or more stops.
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, Southwest Airlines offers the cheapest flight tickets to Islip.

Flying from Charlotte Douglas Airport (CLT) to Islip Airport (ISP): what you need to know

  • Leave plenty of time to catch your CLT to ISP flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

  • Think about adding a stopover when booking your ticket from Charlotte Douglas Airport to Islip Airport. Simply uncheck 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between CLT and ISP:

    • Baltimore Washington International Airport

    • Norfolk International Airport

    • Myrtle Beach International Airport

How to find the cheapest flights from Charlotte Douglas Airport (CLT) to Islip Airport (ISP)

  • The lowest price we've found for a one-way Charlotte Douglas Airport to Islip Airport flight is $133. A round-trip plane ticket right now is $336. Depending on the availability when you book, these fares may change.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from CLT to ISP if you book in advance. Airlines often have some great early bird deals.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' search tool. It'll find the lowest price in every month when searching for a flight from Charlotte Douglas Airport to Islip Airport.

  • Stay on top of deals for cheap flights from CLT to ISP by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Tailor your flights using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Charlotte Douglas Airport to Islip Airport.

Handy information about Charlotte Douglas Airport (CLT)

  • You'll find CLT at 5501 Josh Birmingham Parkway.

  • Of all flights departing from Charlotte Douglas Airport, 79% land on time at their destination.

  • Central Charlotte to Charlotte Douglas Airport is around 13 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • The trip when using public transport usually takes 35 minutes.

  • Get your holiday off to a leisurely start by staying near CLT. Whether you've booked an early flight from Charlotte Douglas Airport to Islip Airport or just don't like being rushed, these stays are ideal:

Arriving at Islip Airport (ISP)

When to fly to Islip Airport (ISP)

  • The quietest month for a flight from Charlotte Douglas Airport to Islip Airport is December, while July is the most popular. Choose the ideal time to visit Islip based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Before locking in your flight from Charlotte Douglas Airport to Islip Airport, consider the kind of weather you like. July is the warmest month in Islip, with the temperature ranging from 19ºC (66ºF) to 29ºC (84ºF).

  • January sees average temperatures of between -4ºC (25ºF) and 8ºC (46ºF). Search for cheap tickets from CLT to ISP around that time if you like cooler conditions.

Explore more of the United States

  • New York is just one of the many places in the United States waiting to be explored once you've taken in the sights of Islip. Around 64 kilometres away to the west, its top attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • Philadelphia is another essential stop in the United States and is around 193 kilometres south-west of Islip. No journey is complete without visiting Independence Hall, Liberty Bell and Philadelphia Museum of Art.

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