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$109+ Cheap flights from Charlotte to Islip, NY (CLT - ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — ISP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Charlotte to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Charlotte (CLT) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$263
(Southwest)

One-way from

$145
(Southwest)

Popular in

December

Cheapest in

September

Average price

$293
From Charlotte Douglas to Islip Long Island
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One-way flight from Charlotte Douglas to Islip Long Island
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Highest demand for flights based on searches. 12% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Charlotte to Islip

Cheapest flights from Charlotte to Islip
Explore the most affordable flight options available from Charlotte to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/166:55 pmCLT - ISP
1 stop4h 00mSouthwest
Wed 7/306:00 amISP - CLT
1 stop4h 00mSouthwest
Deal found 6/11$263
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/12:17 pmCLT - ISP
1 stop5h 25mFrontier
Sat 8/22:05 pmISP - CLT
1 stop6h 44mFrontier
Deal found 6/12$283
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:54 pmCLT - ISP
2 stops15h 10mMultiple Airlines
Thu 7/177:39 pmISP - CLT
3 stops36h 47mMultiple Airlines
Deal found 6/12$556

Cheapflights Fare Finder

Customize your flight search to find flights from Charlotte to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Charlotte to Islip that are best for you.

Fly from

Charlotte

Fly to

Islip

Route

Depart

Return

Price

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Wed 7/16

6:55 pm-10:55 pm

1 stop4h 00m

Islip Long Island

Wed 7/30

6:00 am-10:00 am

1 stop4h 00m

$263

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Fri 8/1

2:17 pm-7:42 pm

1 stop5h 25m

Islip Long Island

Sat 8/2

2:05 pm-8:49 pm

1 stop6h 44m

$283

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Thu 7/10

6:54 pm-10:04 am

2 stops15h 10m

Islip Long Island

Thu 7/17

7:39 pm-8:26 am

3 stops36h 47m

$556

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Wed 10/8

7:05 am-12:25 pm

1 stop5h 20m

$109

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Thu 9/11

10:45 am-4:22 pm

1 stop5h 37m

$146

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Fri 7/4

11:28 am-1:32 pm

3 stops26h 04m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Charlotte to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Charlotte with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Charlotte to Islip

What is the cheapest month to book a flight from Charlotte to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from Charlotte to Islip, New York (average of $108). Flying from Charlotte to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CLT to ISP?

Find hourly flight availability from Charlotte to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Charlotte to Islip, New York, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the afternoon.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated June 12, 2025.
See what other customers who have flown with Southwest and Frontier from Charlotte to Islip have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
6.0
Okay
3,295 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Charlotte to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Charlotte to Islip, New York round-trip?

    Our cheapest airline available from Charlotte to Islip, New York is Southwest. Our recent data shows that you can find tickets from as low as $263 on this airline. An additional option worth looking into is Frontier, starting at $301. Southwest is currently priced 19% below the average price you’ll pay for this route.

  • Can I find deals for flights from Charlotte to Islip that include hotel bookings?

    Yes. In addition to deals on Charlotte to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charlotte to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charlotte to Islip.

  • Can I find deals for business class flights from Charlotte to Islip?

    Yes. Cheapflights offers flight deals from Charlotte to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Charlotte to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Charlotte to Islip, New York (average of $108). Flying from Charlotte to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charlotte?

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Southampton
Riverhead

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Top 2 airlines flying from Charlotte to Islip

Discover the top 2 airlines that operate flights from Charlotte to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$194FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$286Average$356FlexibilityNo cancel feeOn-time63%

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