$48+ Cheap flights from Islip, NY to Charleston (ISP - CHS)
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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Islip to Charleston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Islip Long Island to Charleston are usually found in January or February, booked 40 days in advance, depart on a Monday or Friday and return on a Friday
Cheap flight deals from Islip to Charleston
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Charleston (CHS). 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 March 25, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $82 (CheapOair) |
One-way from | $51 (CheapOair) |
Popular in | April |
Cheapest in | January |
Average price | $190 |
Good round-trip deal | $126 or less |
Good one-way deal | $44 or less |
Find flight deals from Islip to Charleston
Cheapest flights from Islip to CharlestonExplore the most affordable flight options available from Islip to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.
Explore the most affordable flight options available from Islip to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.
This CheapOair deal was found by Cheapflights users on 3/24. 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.
This Southwest deal was found by Cheapflights users on 3/24. 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.
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Charleston 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 March 25, 2025.
Use the filters below to find and compare flights from Islip to Charleston that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
IslipCharleston
ISP - CHS
ISPCHS
Islip Long Island
Wed 4/23
2:35 pm-4:44 pm
Nonstop2h 09m
Charleston
Wed 4/30
11:51 am-1:45 pm
Nonstop1h 54m
IslipCharleston
ISP - CHS
ISPCHS
Islip Long Island
Wed 4/23
8:20 am-1:15 pm
1 stop4h 55m
Charleston
Wed 4/30
1:50 pm-8:20 pm
1 stop6h 30m
IslipCharleston
ISP - CHS
ISPCHS
Islip Long Island
Thu 4/10
10:50 am-9:36 am
3 stops22h 46m
Charleston
Sun 4/13
7:00 am-10:11 am
1 stop3h 11m
IslipCharleston
ISP - CHS
ISPCHS
Islip Long Island
Fri 5/23
6:00 am-10:59 am
1 stop4h 59m
Charleston
Mon 5/26
9:34 am-4:50 pm
1 stop7h 16m
IslipCharleston
ISP - CHS
ISPCHS
Islip Long Island
Wed 5/28
2:25 pm-4:32 pm
Nonstop2h 07m
IslipCharleston
ISP - CHS
ISPCHS
Islip Long Island
Fri 4/11
10:30 am-4:15 pm
1 stop5h 45m
IslipCharleston
ISP - CHS
ISPCHS
Islip Long Island
Sat 7/5
6:00 am-10:45 am
1 stop4h 45m
IslipCharleston
ISP - CHS
ISPCHS
Islip Long Island
Sun 3/30
12:56 pm-5:24 pm
2 stops28h 28m
Compare providers for flights from Islip to Charleston
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 Islip to Charleston in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Islip, New York-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Charleston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Charleston flights, Cheapflights users trust FlightHub the most. FlightHub 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 Islip, New York-Charleston 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 Islip to Charleston
Have a flexible travel schedule? Discover the best time to fly to Charleston from Islip with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Islip to Charleston
How far ahead should I book a flight from Islip, New York to Charleston?
Use this chart to determine the optimal time to book a round-trip flight from Islip to Charleston. Price data was last updated on March 21, 2025.
The best time to book flights from Islip, New York to Charleston is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Islip, New York to Charleston?
Currently, August is the cheapest month in which you can book a flight from Islip, New York to Charleston (average of $217). Flying from Islip, New York to Charleston in March is currently the most expensive (average of $335). 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 CHS?
Find hourly flight availability from Islip to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 39% on flights from Islip, New York to Charleston by exploring options for tickets in the evening.
What is the cheapest day to fly from Islip, New York to Charleston?
Use this chart to determine the cheapest time to fly round-trip from Islip to Charleston. Price data was last updated on March 23, 2025.
Travelers seeking maximum savings on their Islip, New York to Charleston flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Charleston by month
Plan your trip to Charleston by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.
Temperature in Charleston by month
Plan your trip to Charleston by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Charleston, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).
Reviews of airlines servicing Charleston
Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated March 25, 2025.
See what other customers who have flown with Southwest, Breeze Airways and JetBlue from Islip to Charleston have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Ila,Mar 2025
HOU - DAL
Related info for your journey
Find useful and relevant information for your journey from Islip to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Islip to Charleston
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Islip to Charleston
Discover the top 2 airlines that operate flights from Islip to Charleston. 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 March 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$247 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$296 | Average$436 | FlexibilityNo cancel fee | On-time63% |