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

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 10:34 am and lands at 12:46 pm.

The flight takes about 2h 12m.

Only Economy Class is available on flights from Islip to Charleston.

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

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.

Round-trip flights from Islip to Charleston range from $181 to $346, with an average of $254 over the past 12 months. Anything below $181 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 18% above the $254 route average. Book 18 weeks before departure for the lowest fares.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $220 round-trip, compared to $320 via a layover through Norfolk (ORF).

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.

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.

One-way fares from Islip to Charleston are currently higher than usual. Average one-way flight prices are about $158, which is 19% above the typical average for this route.

Charleston Airport (CHS) hosts 5 major car rental companies, with daily rates averaging $76 for economy cars. Top options include:

• Budget
• Alamo
• Economy Rent a Car
• Avis
• Thrifty

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

Connecting flights from Islip to Charleston most commonly pass through:

• Norfolk (ORF) - 69% of one-stop connections
• Baltimore/Washington (BWI) - 31% of one-stop connections

Yes. Flexible dates can save you up to 56% on flights from Islip to Charleston. Wednesday is the cheapest departure day at $188 round-trip on average, while Tuesday is the most expensive at $418, a difference of $230.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Breeze Airways operates flights between Islip and Charleston.

Flying via Norfolk (ORF) gives the shortest average 1-stop total travel time at 3h 21m, compared with 4h 18m via Baltimore/Washington (BWI).

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 always check the fare details before booking.

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.

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.

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.

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.