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Islip

$51+ Cheap flights from Charleston to Islip, NY (CHS - 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ISP
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Charleston to Islip

Cheapest flights from Charleston to Islip
Explore the most affordable flight options available from Charleston to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This CheapOair deal was found by Cheapflights users on 12/2. 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 12/116:45 amCHS - ISP
1 stop3h 13mBreeze Airways
Fri 1/98:45 pmISP - CHS
Nonstop2h 12mBreeze Airways
Deal found 12/2$134
This Super.com deal was found by Cheapflights users on 12/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:14 pmCHS - ISP
Nonstop1h 53mBreeze Airways
Mon 12/158:47 pmISP - CHS
Nonstop2h 12mBreeze Airways
Deal found 12/2$147
This CheapOair deal was found by Cheapflights users on 11/30. 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.
Sun 12/146:45 amCHS - ISP
1 stop3h 13mBreeze Airways
Wed 12/178:21 pmISP - CHS
Nonstop2h 12mBreeze Airways
Deal found 11/30$149
This CheapOair deal was found by Cheapflights users on 12/3. 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.
Wed 12/315:48 pmCHS - ISP
Nonstop1h 53mBreeze Airways
Mon 1/58:47 pmISP - CHS
Nonstop2h 12mBreeze Airways
Deal found 12/3$152
This CheapOair deal was found by Cheapflights users on 12/1. 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 12/116:45 amCHS - ISP
1 stop3h 13mBreeze Airways
Mon 12/158:47 pmISP - CHS
Nonstop2h 12mBreeze Airways
Deal found 12/1$156
This CheapOair deal was found by Cheapflights users on 12/2. 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.
Wed 12/315:48 pmCHS - ISP
Nonstop1h 53mBreeze Airways
Sat 1/32:19 pmISP - CHS
1 stop8h 40mBreeze Airways
Deal found 12/2$157
This CheapOair deal was found by Cheapflights users on 12/2. 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 12/126:14 pmCHS - ISP
Nonstop1h 53mBreeze Airways
Fri 1/98:45 pmISP - CHS
Nonstop2h 12mBreeze Airways
Deal found 12/2$158
This CheapOair deal was found by Cheapflights users on 12/2. 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.
Sun 12/146:45 amCHS - ISP
1 stop3h 13mBreeze Airways
Mon 12/158:47 pmISP - CHS
Nonstop2h 12mBreeze Airways
Deal found 12/2$164
This Super.com deal was found by Cheapflights users on 12/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:45 amCHS - ISP
Nonstop3h 13mBreeze Airways
Thu 1/297:26 pmISP - CHS
Nonstop3h 29mBreeze Airways
Deal found 12/3$166
This Super.com deal was found by Cheapflights users on 12/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:45 amCHS - ISP
Nonstop3h 13mBreeze Airways
Fri 1/98:45 pmISP - CHS
Nonstop2h 12mBreeze Airways
Deal found 12/2$168

Find flight deals from Charleston to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$97
(Jettzy)

One-way from

$51
(CheapOair)

Popular in

December

Cheapest in

February

Average price

$327

Good round-trip deal

$205 or less

Good one-way deal

$109 or less
Provider with most accurate pricing for Charleston-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Islip Long Island flights.
Search Deals
From Charleston to Islip Long Island
Search Deals
One-way flight from Charleston to Islip Long Island
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Charleston to Islip Long Island.
Search Deals
Price to beat on a one-way flight from Charleston to Islip Long Island.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston 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 December 3, 2025.
Use the filters below to find and compare flights from Charleston to Islip that are best for you.

Fly from

Charleston

Fly to

Islip

Route

Depart

Return

Price

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Fri 1/16

6:11 pm-8:05 pm

Nonstop1h 54m

Islip Long Island

Mon 1/19

8:45 pm-10:57 pm

Nonstop2h 12m

$97

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Fri 1/16

6:11 pm-8:05 pm

Nonstop1h 54m

Islip Long Island

Sun 1/18

7:26 pm-10:55 pm

1 stop3h 29m

$106

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Thu 1/22

3:31 pm-6:46 pm

1 stop3h 15m

Islip Long Island

Sun 1/25

7:26 pm-10:55 pm

1 stop3h 29m

$118

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Thu 1/8

3:31 pm-6:46 pm

1 stop3h 15m

Islip Long Island

Thu 2/5

7:26 pm-10:55 pm

1 stop3h 29m

$131

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Wed 12/31

5:48 pm-7:41 pm

Nonstop1h 53m

Islip Long Island

Mon 1/5

8:47 pm-10:59 pm

Nonstop2h 12m

$152

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Wed 12/31

5:48 pm-7:41 pm

Nonstop1h 53m

Islip Long Island

Sat 1/3

2:19 pm-10:59 pm

1 stop8h 40m

$157

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Tue 12/30

6:45 am-9:58 am

1 stop3h 13m

Islip Long Island

Fri 1/2

8:47 pm-10:59 pm

Nonstop2h 12m

$158

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Thu 12/25

6:45 am-9:58 am

1 stop3h 13m

Islip Long Island

Thu 1/29

7:26 pm-10:55 pm

1 stop3h 29m

$167

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Sun 12/21

6:45 am-9:58 am

1 stop3h 13m

Islip Long Island

Fri 1/9

8:45 pm-10:57 pm

Nonstop2h 12m

$169

CharlestonIslip

CHS - ISP

CHSISP

Charleston

Fri 1/9

6:11 pm-8:05 pm

Nonstop1h 54m

$51

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 19 results
1
2

Compare providers for flights from Charleston to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charleston to Islip in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Charleston-Islip, New York flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-Islip, New York flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Charleston-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Islip, New York flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charleston-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Charleston to Islip

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

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

Currently, April is the cheapest month in which you can book a flight from Charleston to Islip, New York (average of $35). Flying from Charleston to Islip, New York in June is currently the most expensive (average of $74). 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 CHS to ISP?

Find hourly flight availability from Charleston 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 December 3, 2025.

When flying from Charleston to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Charleston to Islip, New York?

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 December 3, 2025.
Read reviews from past customers who have flown Breeze Airways and Southwest from Charleston to Islip. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.2
Very good
241 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Comfort

8.2

Entertainment

6.6

Overall

8.2

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.
Breeze Airways
8.2
Very good
241 reviews
Breeze Airways
8.2
Very good
241 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Comfort

8.2

Entertainment

6.6

Overall

8.2

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.
Southwest
8.0
Very good
4,254 reviews
Breeze Airways
8.2
Very good
241 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Comfort

8.2

Entertainment

6.6

Overall

8.2

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.

Related info for your journey

Find useful and relevant information for your journey from Charleston to Islip. 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 Charleston to Islip, New York?

    For as low as $97, Breeze Airways can have you in Islip, New York from Charleston in 1h 54m. Charleston and Islip, New York are separated by a distance of 666 mi. Generally, flights for this route are nonstop.

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

    Cheapflights users have booked flights from Charleston to Islip, New York round-trip from $88. Another airline that can offer you cheap pricing is Southwest. Breeze Airways is currently priced 53% below the average price you’ll pay for this route.

  • What are the cheapest flights from Charleston to Islip, New York?

    On average you can expect to pay $174 for a flight from Charleston to Islip, New York. The cheapest flight overall is $89 while the most popular route, (Charleston - Islip Long Island) is currently priced at $102.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Charleston 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 Charleston to Islip, New York?

    Currently, April is the cheapest month in which you can book a flight from Charleston to Islip, New York (average of $35). Flying from Charleston to Islip, New York in June is currently the most expensive (average of $74). 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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Alternative routes for Charleston to Islip

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Top 2 airlines flying from Charleston to Islip

Discover the top 2 airlines that operate flights from Charleston 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$88Average$167FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$256Average$406FlexibilityNo cancel feeOn-time63%

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