$41 Cheap Flights from Charleston (CHS) to Islip (ISP)

View $41 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)

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Cheap Flights from Charleston to Islip (CHS-ISP)

Prices were available within the past 7 days and start at $41 for one-way flights and $82 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Sep 5 - Mon, Sep 8
CHS
Charleston
ISP
Islip
$82 Roundtrip, found 10 hours ago
$82
Roundtrip
found 10 hours ago
Select Breeze Airways flight, departing Fri, Sep 5 from Charleston to Islip, returning Mon, Sep 8, priced at $82 found 10 hours ago
Breeze Airways
Mon, Sep 15 - Mon, Sep 22
CHS
Charleston
ISP
Islip
$87 Roundtrip, found 13 hours ago
$87
Roundtrip
found 13 hours ago
Select Breeze Airways flight, departing Mon, Sep 15 from Charleston to Islip, returning Mon, Sep 22, priced at $87 found 13 hours ago
Breeze Airways
Mon, Sep 15 - Mon, Sep 22
CHS
Charleston
ISP
Islip
$92 Roundtrip, found 13 hours ago
$92
Roundtrip
found 13 hours ago
Select Breeze Airways flight, departing Mon, Sep 15 from Charleston to Islip, returning Mon, Sep 22, priced at $92 found 13 hours ago
Breeze Airways
Thu, Sep 4 - Wed, Sep 10
CHS
Charleston
ISP
Islip
$94 Roundtrip, found 3 days ago
$94
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Thu, Sep 4 from Charleston to Islip, returning Wed, Sep 10, priced at $94 found 3 days ago
Breeze Airways
Fri, Sep 5 - Sun, Sep 7
CHS
Charleston
ISP
Islip
$98 Roundtrip, found 3 days ago
$98
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Sep 5 from Charleston to Islip, returning Sun, Sep 7, priced at $98 found 3 days ago
Breeze Airways
Wed, Aug 20 - Tue, Aug 26
CHS
Charleston
ISP
Islip
$99 Roundtrip, found 1 day ago
$99
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Wed, Aug 20 from Charleston to Islip, returning Tue, Aug 26, priced at $99 found 1 day ago
Breeze Airways
Mon, Sep 15 - Fri, Sep 19
CHS
Charleston
ISP
Islip
$102 Roundtrip, found 3 days ago
$102
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Mon, Sep 15 from Charleston to Islip, returning Fri, Sep 19, priced at $102 found 3 days ago
Breeze Airways
Wed, Aug 20 - Wed, Aug 27
CHS
Charleston
ISP
Islip
$107 Roundtrip, found 12 hours ago
$107
Roundtrip
found 12 hours ago
Select Breeze Airways flight, departing Wed, Aug 20 from Charleston to Islip, returning Wed, Aug 27, priced at $107 found 12 hours ago
Southwest Airlines
Fri, Oct 17 - Mon, Oct 20
CHS
Charleston
ISP
Islip
$287 Roundtrip, found 12 hours ago
$287
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Fri, Oct 17 from Charleston to Islip, returning Mon, Oct 20, priced at $287 found 12 hours ago
JetBlue Airways
Tue, Oct 7 - Wed, Oct 15
CHS
Charleston
ISP
Islip
$310 Roundtrip, found 20 hours ago
$310
Roundtrip
found 20 hours ago
Select JetBlue Airways flight, departing Tue, Oct 7 from Charleston to Islip, returning Wed, Oct 15, priced at $310 found 20 hours ago

Alternative airports near Islip

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to MacArthur ISP. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $257
ISP
MacArthur
CheapestClosest
Average driving time to city center14 min
Flights from $257
Flights from Charleston (CHS) to Islip (ISP)
Origin airport
Charleston Intl.
Destination airport
MacArthur
Airlines serving
Breeze Airways, JetBlue Airways, Southwest Airlines
Roundtrip price
$81
Distance
666 mi
Average flight time
2 hours 32 mins

Charleston to Islip Flights

The cheapest times to fly from Charleston to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Charleston to Islip are during the month of September. You can find some of the cheapest flights from Charleston to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Charleston to Islip

Sunday is one of the best days to book for cheap flights from Charleston to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Charleston to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Charleston to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $41 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Charleston to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Charleston to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP) cost?
Cheap return flights from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP) start at $82. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Breeze flight leaving CHS on August 9 2025 and touching down at ISP. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from CHS to ISP?
The cheapest flights from CHS to ISP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)?
Hop on a direct flight with Breeze Airways and head straight from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP).
What is the cheapest airline that flies from CHS to ISP?
Right now, the cheapest airline offering one-way flights from CHS to ISP is Breeze. You can take off on this route from $41. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CHS on September 12 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)?
On average, you can take your pick of 3 direct flights taking off from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP) weekly. If you don't see one that fits your travel plans, consider catching a flight that includes a layover. Customize your search results on Expedia to include one or more stops and select the next best alternative.
What are the most popular departure times for flights from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)?
The 7 AM departures from CHS to ISP are typically the busiest. Greater demand means you'll likely pay more for these departures. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from CHS to ISP?
Fly on a Friday if you're looking for the biggest selection of flights from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP).
What is the earliest flight from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)?
The earliest flight departing from Charleston Intl. Airport (CHS) is at around 7:15AM UTC-5. Catch this flight and you'll touch down at MacArthur Airport (ISP) at approximately 9:10AM UTC-5. The overall travel time is 1h 55m.
How long does it take to fly from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)?
It takes approximately 1 hour and 55 minutes to travel the 670 mi from CHS to ISP.
What airline has the least delays from CHS to ISP?
Breeze Airways has the strongest track record for on-time direct flights from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP), with an on-time score of 94%. Use the Expedia App to view your flight status before you leave and get real-time alerts about any changes.
What is the best time to fly from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)?
To reach MacArthur Airport (ISP) without delays, book a flight that leaves Charleston Intl. Airport (CHS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Islip from Charleston Intl. Airport (CHS)?
A direct flight from Charleston Intl. Airport (CHS) will take you straight to one of these hubs in Islip:

  • LaGuardia Airport (LGA)
  • John F. Kennedy Intl. Airport (JFK)
  • Westchester County Airport (HPN)
  • MacArthur Airport (ISP)
  • Tweed - New Haven Regional Airport (HVN)

Is it cheaper to buy a plane ticket from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP) last-minute?
Booking your ticket from CHS to ISP shortly before your journey is generally more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a CHS to ISP flight and hotel package?
You'll generally save money by securing a CHS to ISP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to MacArthur Airport (ISP)?
Typically, it's possible to reschedule or cancel your CHS to ISP flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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