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Cheap flights from Islip, New York to Charleston from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Charleston departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip, New York to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Breeze Airways Logo
8:45 pm - 10:57 pm
ISP
-
CHS
2h 12mnonstop
Breeze Airways Logo
3:31 pm - 6:46 pm
CHS
-
ISP
3h 15m
1 stop
$108Breeze Airways
Mon, Mar 2 - Thu, Mar 5
Breeze Airways Logo
8:45 pm - 10:57 pm
ISP
-
CHS
2h 12mnonstop
Breeze Airways Logo
3:31 pm - 6:46 pm
CHS
-
ISP
3h 15m
1 stop
$115Breeze Airways
Mon, Mar 2 - Thu, Mar 5
Breeze Airways Logo
7:26 pm - 10:55 pm
ISP
-
CHS
3h 29m
1 stop
Breeze Airways Logo
6:11 pm - 8:05 pm
CHS
-
ISP
1h 54mnonstop
$119Breeze Airways
Sun, Feb 22 - Fri, Feb 27
Breeze Airways Logo
8:45 pm - 10:57 pm
ISP
-
CHS
2h 12mnonstop
Breeze Airways Logo
6:11 pm - 8:05 pm
CHS
-
ISP
1h 54mnonstop
$121Breeze Airways
Fri, Feb 27 - Fri, Mar 6
Breeze Airways Logo
8:45 pm - 10:57 pm
ISP
-
CHS
2h 12mnonstop
Breeze Airways Logo
6:11 pm - 8:05 pm
CHS
-
ISP
1h 54mnonstop
$122Breeze Airways
Mon, Mar 9 - Fri, Mar 13
Breeze Airways Logo
7:26 pm - 10:55 pm
ISP
-
CHS
3h 29m
1 stop
Breeze Airways Logo
6:11 pm - 8:05 pm
CHS
-
ISP
1h 54mnonstop
$135Breeze Airways
Thu, Mar 5 - Mon, Mar 9
Breeze Airways Logo
7:26 pm - 10:55 pm
ISP
-
CHS
3h 29m
1 stop
Breeze Airways Logo
6:11 pm - 8:05 pm
CHS
-
ISP
1h 54mnonstop
$136Breeze Airways
Thu, Mar 5 - Mon, Mar 9
Breeze Airways Logo
2:33 pm - 4:41 pm
ISP
-
CHS
2h 08mnonstop
Breeze Airways Logo
6:06 pm - 8:03 pm
CHS
-
ISP
1h 57mnonstop
$137Breeze Airways
Wed, Jun 17 - Fri, Jun 19
Breeze Airways Logo
8:45 pm - 10:57 pm
ISP
-
CHS
2h 12mnonstop
Breeze Airways Logo
6:11 pm - 8:05 pm
CHS
-
ISP
1h 54mnonstop
$147Breeze Airways
Fri, Feb 27 - Mon, Mar 2
Breeze Airways Logo
2:33 pm - 4:41 pm
ISP
-
CHS
2h 08mnonstop
Breeze Airways Logo
6:06 pm - 8:03 pm
CHS
-
ISP
1h 57mnonstop
$152Breeze Airways
Sat, May 16 - Mon, May 18

Breeze Airways flights from Islip, New York to Charleston

Our best Breeze Airways deals on Islip, New York to Charleston flight tickets
Breeze Airways
Mar 2
ISP8:45 pmIslip Long Island
2h 12m
CHS10:57 pmCharleston
Mar 5
CHS3:31 pmCharleston
3h 15m
1 stop
ISP6:46 pmIslip Long Island
$108
Breeze Airways
Mar 2
ISP8:45 pmIslip Long Island
2h 12m
CHS10:57 pmCharleston
Mar 5
CHS3:31 pmCharleston
3h 15m
1 stop
ISP6:46 pmIslip Long Island
$115
Breeze Airways
Feb 22
ISP7:26 pmIslip Long Island
3h 29m
1 stop
CHS10:55 pmCharleston
Feb 27
CHS6:11 pmCharleston
1h 54m
ISP8:05 pmIslip Long Island
$119

Southwest flights from Islip, New York to Charleston

Our best Southwest deals on Islip, New York to Charleston flight tickets
Southwest
Feb 3
ISP6:00 amIslip Long Island
4h 40m
1 stop
CHS10:40 amCharleston
Feb 10
CHS7:55 amCharleston
4h 00m
1 stop
ISP11:55 amIslip Long Island
$458
Southwest
Feb 3
ISP6:00 amIslip Long Island
11h 35m
2 stops
CHS5:35 pmCharleston
Feb 10
CHS6:55 amCharleston
9h 20m
2 stops
ISP4:15 pmIslip Long Island
$468
Southwest
Feb 5
ISP5:55 amIslip Long Island
11h 50m
2 stops
CHS5:45 pmCharleston
Feb 7
CHS8:45 amCharleston
11h 45m
2 stops
ISP8:30 pmIslip Long Island
$479

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Islip, New York to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Mon 3/2

8:45 pm-10:57 pm

Nonstop2h 12m

Charleston

Thu 3/5

3:31 pm-6:46 pm

1 stop3h 15m

$108

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Mon 3/2

8:45 pm-10:57 pm

Nonstop2h 12m

Charleston

Thu 3/5

3:31 pm-6:46 pm

1 stop3h 15m

$115

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Sun 2/22

7:26 pm-10:55 pm

1 stop3h 29m

Charleston

Fri 2/27

6:11 pm-8:05 pm

Nonstop1h 54m

$119

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Fri 2/27

8:45 pm-10:57 pm

Nonstop2h 12m

Charleston

Fri 3/6

6:11 pm-8:05 pm

Nonstop1h 54m

$121

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Mon 3/9

8:45 pm-10:57 pm

Nonstop2h 12m

Charleston

Fri 3/13

6:11 pm-8:05 pm

Nonstop1h 54m

$122

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Thu 3/5

7:26 pm-10:55 pm

1 stop3h 29m

Charleston

Mon 3/9

6:11 pm-8:05 pm

Nonstop1h 54m

$135

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Thu 3/5

7:26 pm-10:55 pm

1 stop3h 29m

Charleston

Mon 3/9

6:11 pm-8:05 pm

Nonstop1h 54m

$136

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Wed 6/17

2:33 pm-4:41 pm

Nonstop2h 08m

Charleston

Fri 6/19

6:06 pm-8:03 pm

Nonstop1h 57m

$137

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Fri 2/27

8:45 pm-10:57 pm

Nonstop2h 12m

Charleston

Mon 3/2

6:11 pm-8:05 pm

Nonstop1h 54m

$147

IslipCharleston

ISP - CHS

ISPCHS

Islip Long Island

Sat 5/16

2:33 pm-4:41 pm

Nonstop2h 08m

Charleston

Mon 5/18

6:06 pm-8:03 pm

Nonstop1h 57m

$152

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Charleston from

How to get the cheapest flight ticket from Islip, New York to Charleston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Islip, New York and Charleston?

What is the cheapest month to fly to Charleston?

The cheapest month to fly to Charleston from Islip, New York is in January. Flight prices, which tend to average around $130, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Charleston, with average flight prices from Islip, New York averaging around $170.

What is the cheapest day to depart on your flight to Charleston?

The cheapest day to depart from Islip, New York to Charleston is on a Tuesday. Travelers who choose to depart for Charleston on a Tuesday will often find tickets for as low as $212. The most expensive day to fly to Charleston is Thursday, with ticket prices averaging around $264.

What is the cheapest time of day to depart on your flight to Charleston?

The cheapest time of day to fly to Charleston is in the evening when flights can be purchased for as low as $218. In the afternoon is when there is more demand to fly to Charleston, so prices are often more expensive at around $244 per ticket.

What is the cheapest Islip Long Island to Charleston flight route?

Fly from Islip Long Island to Charleston for the best Islip Long Island - Charleston flight prices

How far in advance should I book a flight to Charleston?

You are more likely to see cheaper flights to Charleston from Islip, New York when booking weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $205 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from Islip, New York for as low as $79 on momondo.

What cabin class options are available on Islip Long Island to Charleston flights?

There is only 1 cabin class available to choose from on Islip Long Island to Charleston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Islip, New York to Charleston flights?

No. A direct flight is the cheapest option for a flight between Islip, New York to Charleston.

How have Islip, New York to Charleston flight prices changed over time?

As of January 2026, prices for Islip, New York to Charleston flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Islip, New York to Charleston

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Charleston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Charleston (ISP to CHS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Charleston

Best Price Found

$54

Fastest flight time

2h 08m

Direct flights

Tue, Thu, Sat and Sun

Airports in Charleston

1 airport
The best one-way flight to Charleston from Islip, New York in the past 72 hours is $54. The best round-trip flight deal from Islip, New York to Charleston found on momondo in the last 72 hours is $113.
The fastest flight from Islip, New York to Charleston takes 2h 08m
Direct flights go from Islip, New York to Charleston on Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Breeze Airways.
There is 1 airport in Charleston. From Islip, New York there are direct flights to Charleston (CHS).
Search flight deals

  • How far is Islip Long Island to Charleston by plane?

    A flight from Islip Long Island to Charleston will travel around 662.7 mi. By plane, this route typically takes 2h 08m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Charleston Airport?

    Prices for flights from Islip Long Island Airport to Charleston Airport refresh daily.

  • How many operators does momondo search for flights from Islip Long Island Airport to Charleston Airport?

  • How old do you have to be to fly from Islip Long Island Airport to Charleston Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Charleston Airport.

  • What documentation or ID do you need to fly to Charleston Airport?

    The travel and health documents required for your trip to Charleston Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Charleston Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Islip, New York to Charleston?

  • What is the most popular airline from Islip, New York to Charleston?

Best airlines flying from Islip, New York to Charleston

Compare and see reviews for airlines that fly from Islip, New York to Charleston with momondo
Airline
Rating
Free Cancellation
Price
Breeze AirwaysPriceFrom $94Free CancellationRating
8.2
263 reviews
Search Breeze Airways flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,267 reviews
Search Southwest flights

  • Breeze Airways Flights From Islip, New York to Charleston

    Breeze Airways operates around 2 flights from Islip, New York to Charleston every week. The average price of these flights found in the last 72 hours has been $198, but momondo users have found Breeze Airways deals from Islip, New York to Charleston from as low as $94 round-trip. Breeze Airways has been scored 8.2/10 in 263 reviews.

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Folly Beach
Isle of Palms
Kiawah Island
North Charleston
Summerville
Mount Pleasant
Edisto Island
Santee
Walterboro
Goose Creek
Edisto Beach
Seabrook Island

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Charleston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Charleston from Islip.

Can I find flights from Islip to Charleston with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Charleston flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to Charleston?

Once all potential Islip to Charleston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Islip to Charleston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Islip to Charleston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Charleston trip

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