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$72+ Cheap flights from Islip to Charlotte (ISP - CLT)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CLT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Islip to Charlotte

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Charlotte (CLT). 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 September 15, 2025.

Round-trip from

$144
(CheapOair)

One-way from

$72
(Cheapflightsfares)

Popular in

February

Cheapest in

September

Average price

$264
From Islip Long Island to Charlotte Douglas
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One-way flight from Islip Long Island to Charlotte Douglas
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Islip to Charlotte

Cheapest flights from Islip to Charlotte
Explore the most affordable flight options available from Islip to Charlotte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:05 pmISP - CLT
1 stop19h 56mFrontier
Mon 9/298:51 pmCLT - ISP
1 stop13h 49mFrontier
Deal found 9/14$144
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:49 amISP - CLT
1 stop9h 16mFrontier
Sun 9/288:51 pmCLT - ISP
1 stop13h 49mFrontier
Deal found 9/13$151
This CheapOair deal was found by Cheapflights users on 9/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:37 pmISP - CLT
1 stop10h 23mFrontier
Sun 10/128:13 pmCLT - ISP
1 stop14h 24mFrontier
Deal found 9/12$158
This Frontier deal was found by Cheapflights users on 9/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:37 pmISP - CLT
1 stop11h 10mFrontier
Sun 10/2610:05 pmCLT - ISP
1 stop10h 59mFrontier
Deal found 9/12$168
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:58 pmISP - CLT
1 stop19h 46mFrontier
Sun 10/128:13 pmCLT - ISP
1 stop14h 24mFrontier
Deal found 9/13$175
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:40 amISP - CLT
1 stop20h 30mFrontier
Sat 9/202:01 pmCLT - ISP
1 stop20h 39mFrontier
Deal found 9/13$180
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:35 amISP - CLT
1 stop20h 20mFrontier
Fri 10/38:51 pmCLT - ISP
1 stop14h 04mFrontier
Deal found 9/14$186
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:05 pmISP - CLT
1 stop14h 50mFrontier
Thu 9/257:55 pmCLT - ISP
1 stop20h 32mFrontier
Deal found 9/13$192
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:05 pmISP - CLT
1 stop14h 50mFrontier
Sun 9/288:51 pmCLT - ISP
1 stop13h 49mFrontier
Deal found 9/13$199
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:05 pmISP - CLT
1 stop14h 50mFrontier
Mon 9/222:01 pmCLT - ISP
1 stop20h 39mFrontier
Deal found 9/14$200
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:58 pmISP - CLT
1 stop19h 46mFrontier
Mon 10/278:05 pmCLT - ISP
1 stop21h 37mFrontier
Deal found 9/14$204

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Charlotte 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 September 15, 2025.
Use the filters below to find and compare flights from Islip to Charlotte that are best for you.

Fly from

Islip

Fly to

Charlotte

Route

Depart

Return

Price

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Wed 10/8

4:58 pm-6:33 pm

1 stop25h 35m

Charlotte Douglas

Fri 10/17

10:05 pm-11:53 am

1 stop13h 48m

$144

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Thu 10/2

5:12 pm-7:05 pm

1 stop25h 53m

Charlotte Douglas

Mon 10/6

8:51 pm-8:42 pm

1 stop23h 51m

$144

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Wed 10/1

11:35 am-7:55 am

1 stop20h 20m

Charlotte Douglas

Mon 10/6

8:51 pm-8:42 pm

1 stop23h 51m

$144

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Fri 10/3

9:49 am-7:05 pm

1 stop9h 16m

Charlotte Douglas

Mon 10/6

8:51 pm-8:42 pm

1 stop23h 51m

$144

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Thu 9/25

11:40 am-8:10 am

1 stop20h 30m

Charlotte Douglas

Thu 10/2

7:55 pm-9:04 am

1 stop13h 09m

$144

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Sat 9/27

5:05 pm-7:55 am

1 stop14h 50m

Charlotte Douglas

Sun 9/28

8:51 pm-10:40 am

1 stop13h 49m

$144

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Fri 9/26

5:05 pm-1:01 pm

1 stop19h 56m

Charlotte Douglas

Mon 9/29

8:51 pm-10:40 am

1 stop13h 49m

$144

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Fri 9/26

5:05 pm-1:01 pm

1 stop19h 56m

Charlotte Douglas

Fri 10/3

7:55 pm-4:23 pm

1 stop20h 28m

$144

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Fri 10/17

4:58 pm-12:44 pm

1 stop19h 46m

Charlotte Douglas

Sun 10/19

10:05 pm-9:04 am

1 stop10h 59m

$151

IslipCharlotte

ISP - CLT

ISPCLT

Islip Long Island

Sun 9/28

5:12 pm-7:05 pm

1 stop25h 53m

Charlotte Douglas

Sun 10/5

8:51 pm-10:40 am

1 stop13h 49m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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Best time to book a flight from Islip to Charlotte

Have a flexible travel schedule? Discover the best time to fly to Charlotte from Islip 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 Islip to Charlotte

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

Currently, August is the cheapest month in which you can book a flight from Islip to Charlotte (average of $248). Flying from Islip to Charlotte in March is currently the most expensive (average of $328). 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 ISP to CLT?

Find hourly flight availability from Islip to Charlotte. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

One of the essential ways to save on airfare from Islip to Charlotte is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 53% on airfare.

How much does it cost to fly round-trip from Islip to Charlotte?

Reviews of airlines servicing Charlotte

Get insights into the airlines that provide service to Charlotte. 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 Charlotte. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown Southwest and Frontier from Islip to Charlotte. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from Islip to Charlotte?

    For as low as $144, Frontier can have you in Charlotte from Islip in 25h 35m. There are 574 mi between Islip and Charlotte.

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

    According to our current data, Frontier ($98), and Southwest ($273) offers the cheapest pricing from Islip to Charlotte. Users have found that Frontier is 72% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Charlotte 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 Islip to Charlotte?

    Currently, August is the cheapest month in which you can book a flight from Islip to Charlotte (average of $248). Flying from Islip to Charlotte in March is currently the most expensive (average of $328). 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?

Book flights to Charlotte if you plan to visit one of these locations
Gaffney
Matthews
Gastonia
Hickory
Huntersville
Mooresville
Morganton
Cornelius
Lancaster
Boone
Rock Hill
Salisbury
Shelby
Kannapolis
Fort Mill
Pineville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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Top 2 airlines flying from Islip to Charlotte

Discover the top 2 airlines that operate flights from Islip to Charlotte. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$260FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$273Average$385FlexibilityNo cancel feeOn-time63%

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