When did momondo last update prices for flights from Greenville Airport to Islip Long Island Airport?

Prices for flights from Greenville Airport to Islip Long Island Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Greenville Airport to Islip Long Island Airport?

There is 1 operator available for flights from Greenville Airport to Islip Long Island Airport as of January 2026.

How old do you have to be to fly from Greenville Airport to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greenville Airport to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents required for your trip to Islip Long Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Islip Long Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$240 Cheap Flights from Greenville to Islip in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Greenville to New York

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:18 pm - 11:06 am

GSP

ISP

14h 48m

1 stop

8:23 am - 7:38 pm

ISP

GSP

11h 15m

1 stop

$240Multiple Airlines

Fri, Feb 27 - Mon, Mar 2

2:12 pm - 4:12 pm

GSP

ISP

26h 00m

1 stop

8:23 am - 7:38 pm

ISP

GSP

11h 15m

1 stop

$250Multiple Airlines

Thu, Feb 26 - Mon, Mar 2

6:49 pm - 4:12 pm

GSP

ISP

21h 23m

2 stops

8:23 am - 7:38 pm

ISP

GSP

11h 15m

1 stop

$273Multiple Airlines

Fri, Feb 27 - Mon, Mar 2

2:12 pm - 1:31 pm

GSP

ISP

23h 19m

2 stops

8:23 am - 7:38 pm

ISP

GSP

11h 15m

1 stop

$318Multiple Airlines

Thu, Feb 26 - Mon, Mar 2

1:55 pm - 5:15 pm

GSP

ISP

3h 20m

1 stop

3:05 pm - 9:35 pm

ISP

GSP

6h 30m

1 stop

$402Southwest

Thu, Jun 11 - Mon, Jun 15

10:50 am - 5:00 pm

GSP

ISP

6h 10m

2 stops

5:55 am - 6:00 pm

ISP

GSP

12h 05m

2 stops

$407Southwest

Thu, Feb 26 - Mon, Mar 2

1:55 pm - 5:15 pm

GSP

ISP

3h 20m

1 stop

5:20 am - 1:15 pm

ISP

GSP

7h 55m

2 stops

$408Southwest

Thu, Jun 11 - Mon, Jun 15

1:55 pm - 11:40 pm

GSP

ISP

9h 45m

2 stops

9:10 am - 6:15 pm

ISP

GSP

9h 05m

2 stops

$417Southwest

Thu, Jun 11 - Mon, Jun 15

10:50 am - 5:00 pm

GSP

ISP

6h 10m

2 stops

5:55 am - 6:00 pm

ISP

GSP

12h 05m

2 stops

$449Southwest

Fri, Feb 27 - Mon, Mar 2

8:30 am - 12:15 pm

GSP

ISP

3h 45m

1 stop

1:10 pm - 9:45 pm

ISP

GSP

8h 35m

1 stop

$452Southwest

Thu, Feb 12 - Mon, Feb 16

Southwest flights from Greenville to Islip, New York

Our best Southwest deals on Greenville to Islip, New York flight tickets

Southwest

Jun 11

GSP1:55 pmGreenville

3h 20m

1 stop

ISP5:15 pmIslip Long Island

Jun 15

ISP3:05 pmIslip Long Island

6h 30m

1 stop

GSP9:35 pmGreenville

$402

Southwest

Feb 26

GSP10:50 amGreenville

6h 10m

2 stops

ISP5:00 pmIslip Long Island

Mar 2

ISP5:55 amIslip Long Island

12h 05m

2 stops

GSP6:00 pmGreenville

$407

Southwest

Jun 11

GSP1:55 pmGreenville

3h 20m

1 stop

ISP5:15 pmIslip Long Island

Jun 15

ISP5:20 amIslip Long Island

7h 55m

2 stops

GSP1:15 pmGreenville

$408

momondo Fare Finder

Use the filters below to find and compare flights from Greenville to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Fri 2/27

8:18 pm-11:06 am

1 stop14h 48m

Islip Long Island

Mon 3/2

8:23 am-7:38 pm

1 stop11h 15m

$240

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Thu 2/26

2:12 pm-4:12 pm

1 stop26h 00m

Islip Long Island

Mon 3/2

8:23 am-7:38 pm

1 stop11h 15m

$250

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Fri 2/27

6:49 pm-4:12 pm

2 stops21h 23m

Islip Long Island

Mon 3/2

8:23 am-7:38 pm

1 stop11h 15m

$273

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Thu 2/26

2:12 pm-1:31 pm

2 stops23h 19m

Islip Long Island

Mon 3/2

8:23 am-7:38 pm

1 stop11h 15m

$318

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Thu 6/11

1:55 pm-5:15 pm

1 stop3h 20m

Islip Long Island

Mon 6/15

3:05 pm-9:35 pm

1 stop6h 30m

$402

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Thu 2/26

10:50 am-5:00 pm

2 stops6h 10m

Islip Long Island

Mon 3/2

5:55 am-6:00 pm

2 stops12h 05m

$407

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Thu 6/11

1:55 pm-5:15 pm

1 stop3h 20m

Islip Long Island

Mon 6/15

5:20 am-1:15 pm

2 stops7h 55m

$408

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Thu 6/11

1:55 pm-11:40 pm

2 stops9h 45m

Islip Long Island

Mon 6/15

9:10 am-6:15 pm

2 stops9h 05m

$417

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Fri 2/27

10:50 am-5:00 pm

2 stops6h 10m

Islip Long Island

Mon 3/2

5:55 am-6:00 pm

2 stops12h 05m

$449

GreenvilleIslip

GSP - ISP

GSPISP

Greenville

Thu 2/12

8:30 am-12:15 pm

1 stop3h 45m

Islip Long Island

Mon 2/16

1:10 pm-9:45 pm

1 stop8h 35m

$452

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Greenville to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Islip, New York?

American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Greenville according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 8 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Greenville to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Greenville to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Greenville to Islip, New York (GSP to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Islip, New York

Fastest flight time	3h 20m
Direct flights	None

The fastest flight from Greenville to Islip, New York takes 3h 20m

There are no direct flights from Greenville to Islip, New York. There are no popular flight routes from Greenville to Islip, New York.

Search flight deals

How far is Greenville to Islip Long Island by plane?
The straight-line distance from Greenville to Islip Long Island is 644.2 mi. A reasonable flight in good conditions will take 3h 20m.
When did momondo last update prices for flights from Greenville Airport to Islip Long Island Airport?
Prices for flights from Greenville Airport to Islip Long Island Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Greenville Airport to Islip Long Island Airport?
There is 1 operator available for flights from Greenville Airport to Islip Long Island Airport as of January 2026.
How old do you have to be to fly from Greenville Airport to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greenville Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents required for your trip to Islip Long Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Islip Long Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Greenville to Islip, New York?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Greenville to Islip, New York is Southwest (100% of total bookings).

Best airlines flying from Greenville to Islip, New York

Compare and see reviews for airlines that fly from Greenville to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $282	Free Cancellation	Rating 8.0 4,267 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Greenville to Islip?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Islip from Greenville.

Can I find flights from Greenville to Islip with flexible booking policies on momondo?

Flights from Greenville to Islip with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Greenville to Islip?

Once you have performed a search for Greenville to Islip flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Greenville to Islip right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Greenville to Islip flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.