ISP - CHS

$61 Find Cheap Flights from Islip to Charleston - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$122
Typical prices: $169-$322
Breeze Airways
Mon 1/8Thu 1/11
ISP - CHS • Non-stop
Cheapest one-way
$61
Typical prices: $94-$164
Breeze Airways
Fri 11/16
ISP - CHS • Non-stop
Nonstop flights
You can fly direct with Breeze Airways. Average duration is 2h 12m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 47% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $319 (round-trip)
Shortest trip • 4h 21m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Islip to Charleston (ISP-CHS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Charleston

Fri, Jan 8 - Mon, Jan 11
Breeze Airways Logo
10:34 am - 12:46 pmISP  Islip Long Island-CHS Charleston
2h 12mnonstop
Breeze Airways Logo
8:00 am - 9:54 amCHS  Charleston-ISP Islip Long Island
1h 54mnonstop
$122Breeze Airways
Fri, Jan 22 - Mon, Jan 25
Breeze Airways Logo
10:34 am - 12:46 pmISP  Islip Long Island-CHS Charleston
2h 12mnonstop
Breeze Airways Logo
8:00 am - 9:54 amCHS  Charleston-ISP Islip Long Island
1h 54mnonstop
$127Breeze Airways
Fri, Jan 29 - Fri, Feb 5
Breeze Airways Logo
10:34 am - 12:46 pmISP  Islip Long Island-CHS Charleston
2h 12mnonstop
Breeze Airways Logo
8:00 am - 9:54 amCHS  Charleston-ISP Islip Long Island
1h 54mnonstop
$132Breeze Airways
Fri, Jan 29 - Fri, Feb 5
Breeze Airways Logo
10:34 am - 12:46 pmISP  Islip Long Island-CHS Charleston
2h 12mnonstop
Breeze Airways Logo
8:00 am - 9:54 amCHS  Charleston-ISP Islip Long Island
1h 54mnonstop
$132Breeze Airways
Mon, Nov 2 - Fri, Nov 20
Multiple Airlines Logo
6:54 pm - 8:38 amISP  Islip Long Island-CHS Charleston
13h 44m1 stop Orlando
Multiple Airlines Logo
7:05 am - 8:59 amCHS  Charleston-ISP Islip Long Island
1h 54mnonstop
$236Multiple Airlines
Sun, Oct 4 - Tue, Oct 6
Multiple Airlines Logo
7:45 pm - 11:16 pmISP  Islip Long Island-CHS Charleston
3h 31m1 stop Norfolk
Multiple Airlines Logo
9:18 am - 4:58 pmCHS  Charleston-ISP Islip Long Island
7h 40m1 stop Orlando
$258Multiple Airlines
Mon, Oct 19 - Mon, Oct 26
Multiple Airlines Logo
6:55 pm - 2:38 pmISP  Islip Long Island-CHS Charleston
19h 43m1 stop Orlando
Multiple Airlines Logo
7:05 am - 8:59 amCHS  Charleston-ISP Islip Long Island
1h 54mnonstop
$264Multiple Airlines
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
3:50 pm - 7:45 pmISP  Islip Long Island-CHS Charleston
3h 55m1 stop Baltimore/Washington
Southwest Logo
6:10 pm - 10:40 pmCHS  Charleston-ISP Islip Long Island
4h 30m1 stop Baltimore/Washington
$309Southwest
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
3:50 pm - 7:45 pmISP  Islip Long Island-CHS Charleston
3h 55m1 stop Baltimore/Washington
Southwest Logo
6:40 am - 3:45 pmCHS  Charleston-ISP Islip Long Island
9h 05m2 stops Nashville Intl Baltimore/Washington
$314Southwest
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
6:15 am - 4:30 pmISP  Islip Long Island-CHS Charleston
10h 15m2 stops Baltimore/Washington Nashville Intl
Southwest Logo
6:40 am - 3:45 pmCHS  Charleston-ISP Islip Long Island
9h 05m2 stops Nashville Intl Baltimore/Washington
$325Southwest
Booking Insights

Price, demand and travel trends for Islip to Charleston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Islip to Charleston with more confidence.

How much is a round-trip flight from Islip to Charleston?

Round-trip flights from Islip to Charleston start at $122. Prices are below average for this route right now, with typical round-trip fares ranging from $169 to $322. The lowest price found in the past 5 days was $122 on Breeze Airways.

What's the cheapest day of the week to fly from Islip to Charleston?

Wednesday is the cheapest day of the week to fly from Islip to Charleston, it is 24% cheaper than the average day. Tuesday is the most expensive day with flight prices 75% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Islip to Charleston?

  • June and October are the cheapest months to fly from Islip to Charleston at $188 round-trip.
  • April ($299) and December ($298) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 59% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Islip to Charleston the cheapest?

Flights from Islip to Charleston are cheapest 11 weeks before departure. Booking in this window typically costs about 47% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Islip to Charleston flights

Low season

March

Cheapest flight

$61
Best time to beat the crowds but there is an average 22% increase in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Islip to Charleston

When to book flights from Islip to Charleston

Are your dates flexible? Find out the best times to travel from Islip to Charleston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Islip to Charleston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Can I carry my child on my lap for free when traveling with Southwest?

    You can, provided your child is over 14 days old and under two years old. Each adult can travel with one lap child. Even though a boarding pass is not required for your baby, you will need a Boarding Verification Document. This document can be printed at ISP at the ticket counter.

  • Can I carry-on liquids when traveling Spirit?

    When traveling with Spirit, or any of the other airlines flying to CHS, you can carry liquids with a total volume of one liter in a quart-size, see-through, resealable, plastic package. The liquids must be stored in containers that don’t exceed 3.4 oz.

  • Is Long Island MacArthur Airport connected to New York City by rail?

    ISP is connected to New York via the Long Island Railroad. LIRR Trains to the airport’s station, Ronkonkoma, are boarded at Penn Station and Grand Central Madison. The trains depart in intervals of an hour at both stations and take about 1h 30min to get to Ronkonkoma, a mile away from the airport. The station and the airport are connected by taxis and shuttles.

  • What’s Breeze Airways’ checked baggage allowance?

    When traveling with Breeze Airways, you can check one bag if you hold a “Nicer” fare ticket and two bags if you hold a “Nicest” fare ticket for free. If you hold a “Nice” fare ticket, you must pay a fee for each checked bag. All checked bags must adhere to maximum linear dimensions of 62 inches and a maximum weight of 50 lbs.

  • What airlines are available from Islip to Charleston?

    Only Breeze Airways operates flights between Islip and Charleston.

  • Which airports can I use when flying from Islip to Charleston?

    Flights from Islip to Charleston usually depart from Islip Long Island (ISP) and arrive at Charleston (CHS).

  • Which airlines include bags at no extra cost on Islip to Charleston flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Breeze Airways: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Islip to Charleston?

    Two cabin classes are available on flights from Islip to Charleston:

    • Economy Class
    • Premium Economy Class

  • How much can I save by taking a layover when flying from Islip to Charleston?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $200 round-trip, compared to $319 via a layover through Norfolk (ORF).

  • What is the standard checked-bag allowance on flights from Islip to Charleston?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Islip to Charleston?

    The Airbus A220-300 family is used most often on this route, operated mainly by Breeze Airways and JetBlue. Other aircraft seen on the route include Airbus A320-100/200 variants.

  • Which airports do connecting flights from Islip to Charleston pass through?

    Connecting flights from Islip to Charleston most commonly pass through:

    • Norfolk (ORF) - 64% of one-stop connections
    • Baltimore/Washington (BWI) - 36% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Islip to Charleston?

    Yes. Being flexible with your travel dates can save you up to 57% on the Islip to Charleston route. Wednesday is the cheapest departure day at $183 round-trip on average, while Tuesday is the most expensive at $418, a difference of $235. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What are the earliest and latest flights from Islip to Charleston?

    These are the earliest and latest flight times available from Islip to Charleston:

    • Earliest: departs at 9:39 am and lands at 11:51 am
    • Latest: departs at 9:39 am and lands at 11:51 am.

    The flight takes about 2h 12m.

  • How expensive are last-minute Islip to Charleston flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 26% above the route average of $238. Book 11 weeks before departure for the lowest fares.

  • How long is a flight from Islip to Charleston?

    A nonstop flight from Islip to Charleston takes 2h 12m, covering 666 miles.

  • Do I need a passport to fly from Islip to Charleston?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Islip to Charleston looking right now?

    One-way fares from Islip to Charleston are currently higher than usual. Average one-way flight prices are about $174, which is 40% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Islip to Charleston?

    Flying via Norfolk (ORF) gives the shortest average 1-stop total travel time at 3h 19m, compared with 4h 21m via Baltimore/Washington (BWI).

  • What car rental options are available at Charleston Airport (CHS)?

    Charleston Airport (CHS) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Budget
    • Alamo
    • Economy Rent a Car
    • Avis
    • Thrifty

  • How much should I expect to pay for a Islip to Charleston flight?

    Round-trip flights from Islip to Charleston range from $169 to $322, with an average of $238 over the past 12 months. Anything below $169 counts as a good deal.

Your guide to booking Islip to Charleston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Tuesday. On this route, Wednesday flights average $183 - about $235 less than Tuesday (56% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 47% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Islip to Charleston trip for June. Fares historically average $188 round-trip in that month - typically $111 less than the most expensive month, which is April (based on the last 12 months).
  • When flying from Long Island MacArthur Airport (ISP) to Charleston International Airport (CHS), your stopover will be determined by the airline you travel with. You will layover at Norfolk (ORF), Richmond (RIC), or Pittsburgh (PIT) if you travel with Breeze Airways, Baltimore/Washington (BWI) if you journey with Southwest, and Fort Lauderdale (FLL) if you take one of the connecting flights offered by Frontier in conjunction with Spirit.
  • If you intend to travel with Breeze Airways, you can bring on a personal item that doesn’t exceed 17 x 13 x 8 inches for free, regardless of your fare. If you hold a “Nicer” or “Nicest” ticket, you can bring on a carry-on bag for free, while if you hold a “Nice” ticket, you must purchase space for your carry-on bag. Your bag must not exceed 24 x 14 x 10 inches to be allowed on board.
  • From CHS, you can travel to Charleston aboard a taxi - found in the center meridian outside Baggage Claim a Charleston Area Regional Authority (CARTA) bus - available at the curb found outside of the Baggage Claim, or an Uber or Lyft - available at a sheltered pickup area across both roadways and to the right of the last sidewalk. Taking a taxi is in your best interest if you are in a rush. However, if you’re on a budget, take a bus.
  • Other than Charleston, from CHS, you can easily get to Mount Pleasant, North Charleston, Summerville, Awendaw, Ridgeville, and Walterboro. To travel to these destinations, take a CARTA bus to the main bus station in Charleston. At this station, you’ll find a bus to your destination. You can also take a taxi or a rental car from Alamo, Avis, Dollar, Enterprise, Hertz, or Thrifty. The agencies operate within the Rental Car Pavilion, near Baggage Claim.
  • If you want to travel to CHS with an eco-friendly partner, fly with Southwest. This airline has a fleet of fuel-efficient aircraft, electrified its ground services equipment, optimized its routes through its vertical and lateral flight planning algorithms, and partnered with CHOOSE to offer customers the opportunity to offset their carbon emissions.

Prefer to fly direct from Islip to Charleston?

 
Find which airlines fly direct from Islip Long Island Airport to Charleston Airport, which days they fly and book direct flights.

Direct departures

Islip Long Island to Charleston

Monday

Breeze Airways

Breeze Airways

Friday

Breeze Airways

Breeze Airways

See more direct flights

Direct returns

Charleston to Islip Long Island

Monday

Breeze Airways

Breeze Airways

Friday

Breeze Airways

Breeze Airways

See more direct flights

More options for your flight from Islip to Charleston

Complete your trip to Charleston with a hotel stay or car rental