Which airports can I use when flying from Greenville to Islip?

Flights from Greenville to Islip usually depart from Greenville (GSP) and arrive at Islip Long Island (ISP).

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

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

Which airports do connecting flights from Greenville to Islip pass through?

Most connecting flights from Greenville to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.

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

Yes. Flexible dates can save you up to 37% on flights from Greenville to Islip. Friday is the cheapest departure day at $362 round-trip on average, while Monday is the most expensive at $569, a difference of $207. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Greenville to Islip?

A nonstop flight from Greenville to Islip takes 00m, covering 642 miles.

Do I need a passport to fly from Greenville to Islip?

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.

Have flight prices from Greenville to Islip changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $359 to $1,603. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from Greenville to Islip looking right now?

One-way fares from Greenville to Islip are currently higher than usual. Average one-way flight prices are about $608, which is 150% above the typical average for this route.

What car rental options are available at Islip Long Island Airport (ISP)?

Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $107 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Avis • National • Empire Rent A Car

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

Round-trip flights from Greenville to Islip range from $367 to $666, with an average of $447 over the past 12 months. Anything below $367 counts as a good deal.

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

Round-trip flights from Greenville to Islip typically range from $367 to $666. The lowest price found in the past 5 days was $359, on Southwest.

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

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Greenville to Islip. It’s 20% cheaper than the average day, while Monday is the most expensive, with prices 27% higher.

Which airline is the cheapest to fly from Greenville to Islip?

Southwest ($359) and Breeze Airways ($654) are the cheapest airlines to fly round-trip from Greenville to Islip according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Greenville to Islip?

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $479. Based on KAYAK data over the past 3 months.

When flying from Greenville to Islip which airport offers the shortest layover?

Baltimore/Washington (BWI) had the shortest average connection time for Greenville to Islip layovers at 2h 27m over the past 3 months.

$359 CHEAP FLIGHTS from Greenville to Islip (GSP - ISP)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$359

Typical prices: $367-$666

Southwest

Wed 12/12Mon 12/17

GSP - ISP • 1 stop

Cheapest one-way

$425

Typical prices: $203-$389

Breeze Airways

Fri 11/30

GSP - ISP • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Greenville and Islip. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

June

Cheapest • 19% price drop

April

Most popular

Good to know

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We hope you love your trip to Islip!

Flight Deals

Cheap Flights from Greenville to Islip (GSP-ISP)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Greenville to Islip

Sat, Dec 12 - Thu, Dec 17

8:25 am - 2:55 pmGSP Greenville-ISP Islip Long Island

6h 30m1 stop Baltimore/Washington

5:35 am - 10:10 amISP Islip Long Island-GSP Greenville

4h 35m1 stop Baltimore/Washington

$359Southwest

Sat, Dec 5 - Fri, Dec 11

8:25 am - 2:55 pmGSP Greenville-ISP Islip Long Island

6h 30m1 stop Baltimore/Washington

12:25 pm - 9:45 pmISP Islip Long Island-GSP Greenville

9h 20m1 stop Baltimore/Washington

$364Southwest

Fri, Dec 4 - Fri, Dec 11

8:05 am - 4:15 pmGSP Greenville-ISP Islip Long Island

8h 10m1 stop Baltimore/Washington

12:25 pm - 9:45 pmISP Islip Long Island-GSP Greenville

9h 20m1 stop Baltimore/Washington

$370Southwest

Sat, Dec 12 - Thu, Dec 17

8:25 am - 2:55 pmGSP Greenville-ISP Islip Long Island

6h 30m1 stop Baltimore/Washington

12:25 pm - 8:10 pmISP Islip Long Island-GSP Greenville

7h 45m2 stops Baltimore/Washington Nashville Intl

$379Southwest

Sat, Dec 5 - Fri, Dec 11

7:05 am - 2:55 pmGSP Greenville-ISP Islip Long Island

7h 50m2 stops Nashville Intl Baltimore/Washington

12:25 pm - 9:45 pmISP Islip Long Island-GSP Greenville

9h 20m1 stop Baltimore/Washington

$385Southwest

Tue, Dec 1 - Tue, Dec 8

8:05 am - 11:45 amGSP Greenville-ISP Islip Long Island

3h 40m1 stop Baltimore/Washington

4:05 pm - 7:55 pmISP Islip Long Island-GSP Greenville

3h 50m1 stop Baltimore/Washington

$391Southwest

Fri, Dec 4 - Fri, Dec 11

2:50 pm - 9:45 pmGSP Greenville-ISP Islip Long Island

6h 55m1 stop Baltimore/Washington

12:25 pm - 8:10 pmISP Islip Long Island-GSP Greenville

7h 45m2 stops Baltimore/Washington Nashville Intl

$414Southwest

Thu, Dec 17 - Sun, Dec 20

1:00 pm - 5:05 pmGSP Greenville-ISP Islip Long Island

4h 05m1 stop Baltimore/Washington

4:55 pm - 11:25 pmISP Islip Long Island-GSP Greenville

6h 30m2 stops Baltimore/Washington Nashville Intl

$418Southwest

Mon, Dec 14 - Thu, Dec 17

8:32 pm - 12:58 pmGSP Greenville-ISP Islip Long Island

16h 26m2 stops Orlando Wilmington New Hanover County

5:28 pm - 8:12 pmISP Islip Long Island-GSP Greenville

26h 44m2 stops Wilmington New Hanover County Tampa

$654Breeze Airways

Mon, Dec 14 - Fri, Dec 18

8:32 pm - 12:58 pmGSP Greenville-ISP Islip Long Island

16h 26m2 stops Orlando Wilmington New Hanover County

11:13 am - 8:12 pmISP Islip Long Island-GSP Greenville

8h 59m3 stops Myrtle Beach Intl Fort Lauderdale Tampa

$699Breeze Airways

Recent last minute flight deals from Greenville to Islip

Wed, Nov 11 - Thu, Nov 19

8:24 pm - 5:33 pmGSP Greenville-ISP Islip Long Island

21h 09m2 stops Tampa Richmond Byrd Intl

6:33 pm - 3:47 pmISP Islip Long Island-GSP Greenville

21h 14m1 stop Orlando

$602Multiple Airlines

Wed, Nov 11 - Thu, Nov 19

8:05 am - 11:45 amGSP Greenville-ISP Islip Long Island

3h 40m1 stop Baltimore/Washington

6:05 am - 10:45 amISP Islip Long Island-GSP Greenville

4h 40m1 stop Baltimore/Washington

$612Southwest

Wed, Nov 11 - Thu, Nov 19

11:20 am - 9:45 pmGSP Greenville-ISP Islip Long Island

10h 25m2 stops Nashville Intl Baltimore/Washington

6:05 am - 2:10 pmISP Islip Long Island-GSP Greenville

8h 05m2 stops Baltimore/Washington Nashville Intl

$622Southwest

Fri, Nov 6 - Sun, Nov 8

3:32 pm - 11:20 amGSP Greenville-ISP Islip Long Island

19h 48m2 stops Tampa St. Petersburg Raleigh-Durham

6:33 pm - 3:47 pmISP Islip Long Island-GSP Greenville

21h 14m1 stop Orlando

$750Multiple Airlines

Fri, Nov 6 - Sun, Nov 8

8:32 pm - 5:31 pmGSP Greenville-ISP Islip Long Island

20h 59m1 stop Orlando

6:33 pm - 3:47 pmISP Islip Long Island-GSP Greenville

21h 14m1 stop Orlando

$861Multiple Airlines

Fri, Nov 6 - Sun, Nov 8

10:45 am - 10:50 pmGSP Greenville-ISP Islip Long Island

12h 05m2 stops Nashville Intl Orlando

12:25 pm - 8:10 pmISP Islip Long Island-GSP Greenville

7h 45m2 stops Baltimore/Washington Nashville Intl

$907Southwest

Wed, Nov 11 - Thu, Nov 19

8:24 pm - 4:48 pmGSP Greenville-ISP Islip Long Island

20h 24m2 stops Tampa Wilmington New Hanover County

7:45 pm - 8:07 pmISP Islip Long Island-GSP Greenville

48h 22m3 stops Norfolk Charleston Tampa

$969Breeze Airways

Fri, Nov 6 - Sun, Nov 8

8:52 pm - 11:20 amGSP Greenville-ISP Islip Long Island

14h 28m2 stops Tampa Raleigh-Durham

5:28 pm - 8:12 pmISP Islip Long Island-GSP Greenville

26h 44m2 stops Wilmington New Hanover County Tampa

$1,003Breeze Airways

Fri, Nov 6 - Sun, Nov 8

8:52 pm - 5:23 pmGSP Greenville-ISP Islip Long Island

20h 31m3 stops Tampa Fort Lauderdale Myrtle Beach Intl

5:28 pm - 8:12 pmISP Islip Long Island-GSP Greenville

26h 44m2 stops Wilmington New Hanover County Tampa

$1,049Breeze Airways

Wed, Nov 11 - Thu, Nov 19

8:24 pm - 10:33 amGSP Greenville-ISP Islip Long Island

38h 09m3 stops Tampa Fort Lauderdale Myrtle Beach Intl

7:45 pm - 8:07 pmISP Islip Long Island-GSP Greenville

48h 22m3 stops Norfolk Charleston Tampa

$1,103Breeze Airways

Booking Insights

Price, demand and travel trends for Greenville to Islip flights

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

Prices

Airlines

Layovers

How much is a round-trip flight from Greenville to Islip? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Greenville to Islip departing in december.
What's the cheapest day of the week to fly from Greenville to Islip?: Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Greenville to Islip. It’s 20% cheaper than the average day, while Monday is the most expensive, with prices 27% higher.

Find deals

High season	April
Cheapest flight	$359

The most popular month to fly with an average 9% increase in travelers.

Round-trip flight from Greenville to Islip

When to book flights from Greenville to Islip

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Greenville to Islip?
Only Economy Class is available on flights from Greenville to Islip.
How long is a flight from Greenville to Islip?
A nonstop flight from Greenville to Islip takes 00m, covering 642 miles.
Do I need a passport to fly from Greenville to Islip?
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 much should I expect to pay for a Greenville to Islip flight?
Round-trip flights from Greenville to Islip range from $367 to $666, with an average of $447 over the past 12 months. Anything below $367 counts as a good deal.
Have flight prices from Greenville to Islip changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $359 to $1,603. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Greenville to Islip looking right now?
One-way fares from Greenville to Islip are currently higher than usual. Average one-way flight prices are about $608, which is 150% above the typical average for this route.
What car rental options are available at Islip Long Island Airport (ISP)?
Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $107 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Avis
• National
• Empire Rent A Car
Which airports can I use when flying from Greenville to Islip?
Flights from Greenville to Islip usually depart from Greenville (GSP) and arrive at Islip Long Island (ISP).
Which airports do connecting flights from Greenville to Islip pass through?
Most connecting flights from Greenville to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Greenville to Islip?
Yes. Flexible dates can save you up to 37% on flights from Greenville to Islip. Friday is the cheapest departure day at $362 round-trip on average, while Monday is the most expensive at $569, a difference of $207.

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

If your dates are flexible, aim for a Friday departure and avoid flying on Monday. On this route, Friday flights average $362, about $207 less than Monday fares (36% savings) based on the last 12 months.
If you can choose when to travel, plan your Greenville to Islip trip for June. Fares historically average $362 round-trip in that month - typically $453 less than the most expensive month, which is October (based on the last 12 months).

More options for your flight from Greenville to Islip

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GSP - ISP

$359 Find Cheap Flights from Greenville to Islip - Compare and Save

Everything you should know

Cheap Flights from Greenville to Islip (GSP-ISP)

Recent round-trip flight deals from Greenville to Islip

Recent one-way flight deals from Greenville to Islip

Recent last minute flight deals from Greenville to Islip

Price, demand and travel trends for Greenville to Islip flights

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

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

Which airline is the cheapest to fly from Greenville to Islip?

What is the cheapest layover airport when flying from Greenville to Islip?

When flying from Greenville to Islip which airport offers the shortest layover?

Key details for Greenville to Islip flights

High season

Cheapest flight

When to book flights from Greenville to Islip

Your Greenville to Islip flight questions, answered

Your guide to booking Greenville to Islip flights

More options for your flight from Greenville to Islip

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

Information on your arrival and departure airports

Cabin class types available on flights from Greenville to Islip

Find direct flights to and from Greenville and Islip

Flights from domestic origins to Islip

Flights to other popular destinations

Find deals for your return flight