$71 Find Cheap Flights from Charleston to Islip - Compare and Save

Among airlines operating Charleston to Islip flights:

• Breeze Airways: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Breeze Airways operates flights between Charleston and Islip.

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

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

• Breeze Airways: a cabin bag and a checked bag in Economy Class

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

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

• Economy Class
• Premium Economy Class

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $178 round-trip, compared to $239 via a layover through Norfolk (ORF).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $54–$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 Embraer 190 variants.

Connecting flights from Charleston to Islip most commonly pass through:

• Norfolk (ORF) - 70% of one-stop connections
• Baltimore/Washington (BWI) - 30% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

On the Charleston to Islip route, being flexible with your departure day can save you up to 55%. Saturday is the cheapest day at $176 round-trip on average, while Sunday is the most expensive at $389: a $213 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

• Earliest: departs at 7:05 am and lands at 8:59 am
• Latest: departs at 7:05 am and lands at 8:59 am.

The flight takes about 1h 54m.

A nonstop flight from Charleston to Islip takes 1h 54m, 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.

One-way fares from Charleston to Islip are currently lower than usual. Average one-way flight prices are about $100, which is 37% below the typical average for this route.

Flying via Norfolk (ORF) gives the shortest average 1-stop total travel time at 3h 19m, compared with 4h 37m via Baltimore/Washington (BWI).

Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates starting from around $36 for economy cars. Top options include:
• Budget
• Enterprise Rent-A-Car
• Avis
• National
• Empire Rent A Car

Round-trip flights from Charleston to Islip range from $154 to $240, with an average of $197 over the past 12 months. Anything below $154 counts as a good deal.