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

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

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

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

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

Most connecting flights from Islip to Greenville pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

Yes. Being flexible with your travel dates can save you up to 53% on the Islip to Greenville route. Monday is the cheapest departure day at $378 round-trip on average, while Friday is the most expensive at $796, a difference of $418. 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 Islip to Greenville?

A nonstop flight from Islip to Greenville takes 0h 00m, covering 642 miles.

What are the earliest and latest flights from Islip to Greenville?

These are the earliest and latest flight times available from Islip to Greenville: • Earliest: departs at 12:00 am and lands at 12:00 am • Latest: departs at 12:00 am and lands at 12:00 am. The flight takes about 0h 00m.

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

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 Islip to Greenville 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 $314 to $1,185. That means the highest observed fare was about 4x higher than the lowest one.

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

One-way fares from Islip to Greenville are currently higher than usual. Average one-way flight prices are about $310, which is 22% above the typical average for this route.

What car rental options are available at Greenville Airport (GSP)?

Greenville Airport (GSP) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include: · Budget · Alamo · Thrifty · Enterprise Rent-A-Car · Avis

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

Round-trip flights from Islip to Greenville range from $377 to $746, with an average of $497 over the past 12 months. Anything below $377 counts as a good deal.

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

Southwest ($314) offered the cheapest round-trip ticket from Islip to Greenville in the last 5 days.

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

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $560. Based on KAYAK data over the past 3 months.

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

Baltimore/Washington (BWI) had the shortest average connection time for Islip to Greenville layovers at 174 minutes over the past 3 months.

$217 CHEAP FLIGHTS from Islip to Greenville (ISP - GSP)

Save 21% 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

$314

Typical prices: $377-$746

Southwest

Fri 10/5Wed 10/10

ISP - GSP • 1 stop

Cheapest one-way

$217

Typical prices: $253-$253

Breeze Airways

Thu 9/20

ISP - GSP • 3 stops

Nonstop flights

Not available

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

Insights

When to travel

December

Cheapest • 33% price drop

April

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Greenville!

Flight Deals

Cheap Flights from Islip to Greenville (ISP-GSP)

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 Islip to Greenville

Mon, Oct 5 - Sat, Oct 10

3:10 pm - 9:30 pmISP Islip Long Island-GSP Greenville

6h 20m1 stop Baltimore/Washington

6:40 am - 4:10 pmGSP Greenville-ISP Islip Long Island

9h 30m2 stops Nashville Intl Baltimore/Washington

$314Southwest

Wed, Sep 16 - Wed, Sep 23

5:43 pm - 7:49 pmISP Islip Long Island-GSP Greenville

26h 06m1 stop Orlando

8:24 pm - 4:46 pmGSP Greenville-ISP Islip Long Island

20h 22m2 stops Tampa Wilmington New Hanover County

$317Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

3:20 pm - 7:30 pmISP Islip Long Island-GSP Greenville

4h 10m1 stop Baltimore/Washington

1:20 pm - 5:00 pmGSP Greenville-ISP Islip Long Island

3h 40m1 stop Baltimore/Washington

$332Southwest

Mon, Oct 5 - Sat, Oct 10

5:40 pm - 9:30 pmISP Islip Long Island-GSP Greenville

3h 50m1 stop Baltimore/Washington

12:45 pm - 4:10 pmGSP Greenville-ISP Islip Long Island

3h 25m1 stop Baltimore/Washington

$343Southwest

Wed, Sep 16 - Wed, Sep 23

12:55 pm - 9:00 pmISP Islip Long Island-GSP Greenville

8h 05m2 stops Baltimore/Washington Nashville Intl

7:00 am - 5:00 pmGSP Greenville-ISP Islip Long Island

10h 00m2 stops Nashville Intl Baltimore/Washington

$348Southwest

Mon, Oct 5 - Sat, Oct 10

6:55 am - 8:00 pmISP Islip Long Island-GSP Greenville

13h 05m2 stops Orlando Nashville Intl

6:40 am - 4:10 pmGSP Greenville-ISP Islip Long Island

9h 30m2 stops Nashville Intl Baltimore/Washington

$359Southwest

Mon, Aug 31 - Fri, Sep 4

2:28 pm - 3:06 pmISP Islip Long Island-GSP Greenville

24h 38m2 stops Raleigh-Durham Tampa

8:28 pm - 6:14 pmGSP Greenville-ISP Islip Long Island

21h 46m1 stop Orlando

$366Multiple Airlines

Fri, Nov 6 - Mon, Nov 9

5:40 pm - 9:40 pmISP Islip Long Island-GSP Greenville

4h 00m1 stop Baltimore/Washington

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

4h 05m1 stop Baltimore/Washington

$366Southwest

Mon, Oct 5 - Fri, Oct 9

3:02 pm - 11:49 amISP Islip Long Island-GSP Greenville

20h 47m2 stops Raleigh-Durham Pittsburgh

8:32 pm - 5:30 pmGSP Greenville-ISP Islip Long Island

20h 58m1 stop Orlando

$387Multiple Airlines

Mon, Oct 5 - Fri, Oct 9

6:48 pm - 3:29 pmISP Islip Long Island-GSP Greenville

20h 41m1 stop Tampa

8:32 pm - 5:30 pmGSP Greenville-ISP Islip Long Island

20h 58m1 stop Orlando

$396Multiple Airlines

Recent last minute flight deals from Islip to Greenville

Sat, Aug 22 - Sat, Aug 29

5:30 am - 10:05 amISP Islip Long Island-GSP Greenville

4h 35m1 stop Baltimore/Washington

8:40 am - 2:30 pmGSP Greenville-ISP Islip Long Island

5h 50m1 stop Baltimore/Washington

$572Southwest

Sat, Aug 22 - Sat, Aug 29

5:30 am - 2:55 pmISP Islip Long Island-GSP Greenville

9h 25m2 stops Baltimore/Washington Nashville Intl

8:40 am - 2:30 pmGSP Greenville-ISP Islip Long Island

5h 50m1 stop Baltimore/Washington

$577Southwest

Sat, Aug 22 - Sat, Aug 29

5:30 am - 2:55 pmISP Islip Long Island-GSP Greenville

9h 25m2 stops Baltimore/Washington Nashville Intl

6:45 am - 2:30 pmGSP Greenville-ISP Islip Long Island

7h 45m2 stops Nashville Intl Baltimore/Washington

$582Southwest

Fri, Aug 21 - Mon, Aug 24

1:00 pm - 7:57 amISP Islip Long Island-GSP Greenville

42h 57m2 stops Myrtle Beach Intl Fort Lauderdale

8:45 pm - 9:53 amGSP Greenville-ISP Islip Long Island

13h 08m1 stop Orlando

$604Multiple Airlines

Thu, Aug 20 - Sun, Aug 23

4:05 pm - 8:15 pmISP Islip Long Island-GSP Greenville

4h 10m1 stop Baltimore/Washington

6:55 pm - 10:35 pmGSP Greenville-ISP Islip Long Island

3h 40m1 stop Baltimore/Washington

$802Southwest

Fri, Aug 21 - Mon, Aug 24

10:20 am - 4:05 pmISP Islip Long Island-GSP Greenville

5h 45m1 stop Baltimore/Washington

4:40 pm - 10:05 pmGSP Greenville-ISP Islip Long Island

5h 25m1 stop Baltimore/Washington

$802Southwest

Thu, Aug 20 - Sun, Aug 23

12:35 pm - 4:05 pmISP Islip Long Island-GSP Greenville

3h 30m1 stop Baltimore/Washington

10:45 am - 6:45 pmGSP Greenville-ISP Islip Long Island

8h 00m2 stops Nashville Intl Baltimore/Washington

$807Southwest

Thu, Aug 20 - Sun, Aug 23

12:35 pm - 9:35 pmISP Islip Long Island-GSP Greenville

9h 00m2 stops Baltimore/Washington Nashville Intl

1:20 pm - 11:15 pmGSP Greenville-ISP Islip Long Island

9h 55m2 stops Nashville Intl Orlando

$812Southwest

Fri, Aug 21 - Mon, Aug 24

12:35 pm - 9:35 pmISP Islip Long Island-GSP Greenville

9h 00m2 stops Baltimore/Washington Nashville Intl

1:05 pm - 10:05 pmGSP Greenville-ISP Islip Long Island

9h 00m2 stops Nashville Intl Baltimore/Washington

$812Southwest

Sat, Aug 22 - Tue, Aug 25

6:09 pm - 4:00 pmISP Islip Long Island-GSP Greenville

45h 51m2 stops Myrtle Beach Intl Orlando

11:07 am - 5:29 pmGSP Greenville-ISP Islip Long Island

30h 22m3 stops Tampa Akron/Canton Myrtle Beach Intl

$1,353Breeze Airways

Booking Insights

Price, demand and travel trends for Islip to Greenville flights

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

Prices

Airlines

Layovers

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

Round-trip flights from Islip to Greenville start at $314. Prices are below average for this route right now, with typical round-trip fares ranging from $377 to $746. The lowest price found in the past 5 days was $314 on Southwest.

Find deals

Low season	August
High season	April
Cheapest flight	$217

Most popular time to fly with an average 2% increase in price.

Flight from Islip to Greenville

When to book flights from Islip to Greenville

Are your dates flexible? Find out the best times to travel from Islip to Greenville 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.

Which airports can I use when flying from Islip to Greenville?
Flights from Islip to Greenville usually depart from Islip Long Island (ISP) and arrive at Greenville (GSP).
What cabin classes can I book on flights from Islip to Greenville?
Only Economy Class is available on flights from Islip to Greenville.
Which airports do connecting flights from Islip to Greenville pass through?
Most connecting flights from Islip to Greenville pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Islip to Greenville?
Yes. Being flexible with your travel dates can save you up to 53% on the Islip to Greenville route. Monday is the cheapest departure day at $378 round-trip on average, while Friday is the most expensive at $796, a difference of $418. 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 Islip to Greenville?
A nonstop flight from Islip to Greenville takes 0h 00m, covering 642 miles.
What are the earliest and latest flights from Islip to Greenville?
These are the earliest and latest flight times available from Islip to Greenville:

• Earliest: departs at 12:00 am and lands at 12:00 am
• Latest: departs at 12:00 am and lands at 12:00 am.

The flight takes about 0h 00m.
Do I need a passport to fly from Islip to Greenville?
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 Islip to Greenville 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 $314 to $1,185. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Islip to Greenville looking right now?
One-way fares from Islip to Greenville are currently higher than usual. Average one-way flight prices are about $310, which is 22% above the typical average for this route.
What car rental options are available at Greenville Airport (GSP)?
Greenville Airport (GSP) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:
· Budget
· Alamo
· Thrifty
· Enterprise Rent-A-Car
· Avis
How much should I expect to pay for a Islip to Greenville flight?
Round-trip flights from Islip to Greenville range from $377 to $746, with an average of $497 over the past 12 months. Anything below $377 counts as a good deal.

If your dates can be flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $378 - about $418 less than Friday (53% savings) based on the last 12 months.
If you can choose when to travel, plan your Islip to Greenville trip for December. Fares historically average $334 round-trip in that month - typically $462 less than the most expensive month, which is May (based on the last 12 months).

Everything you need to know for your flight from Islip to Greenville

Airports

Cabin class

Complete your trip

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Information on your arrival and departure airports

Islip (ISP)

Greenville (GSP)

ISP - GSP

$217 Find Cheap Flights from Islip to Greenville - Compare and Save

Everything you should know

Cheap Flights from Islip to Greenville (ISP-GSP)

Recent round-trip flight deals from Islip to Greenville

Recent one-way flight deals from Islip to Greenville

Recent last minute flight deals from Islip to Greenville

Price, demand and travel trends for Islip to Greenville flights

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

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

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

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

Key details for Islip to Greenville flights

Low season

High season

Cheapest flight

When to book flights from Islip to Greenville

Your Islip to Greenville flight questions, answered

Your guide to booking Islip to Greenville flights

Everything you need to know for your flight from Islip to Greenville

Information on your arrival and departure airports

Cabin class types available on flights from Islip to Greenville

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

Find direct flights to and from Islip and Greenville

Flights to other popular destinations

Flights from domestic origins to Greenville

Choose which airport to fly into in Greenville

Find deals for your return flight