What is the cheapest airline that flies from Greenville to Islip Long Island?

Southwest and Breeze Airways are the most popular carriers operating from Greenville to Islip Long Island

What airlines fly to Islip, New York?

American Airlines, United 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 44% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

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 October 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.

$259 Cheap Flights from Greenville to Islip, New York in 2026/27

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.

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

3h 40m1 stop Baltimore/Washington

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

4h 00m1 stop Baltimore/Washington

$340Southwest

Tue, Dec 1 - Sat, Dec 5

8:00 am - 12:00 pmGSP Greenville-ISP Islip Long Island

4h 00m1 stop Baltimore/Washington

3:50 pm - 8:35 pmISP Islip Long Island-GSP Greenville

4h 45m1 stop Baltimore/Washington

$342Southwest

Sat, Feb 6 - Sat, Feb 13

4:30 pm - 10:30 pmGSP Greenville-ISP Islip Long Island

6h 00m2 stops Nashville Intl Baltimore/Washington

3:50 pm - 8:35 pmISP Islip Long Island-GSP Greenville

4h 45m1 stop Baltimore/Washington

$347Southwest

Sat, Feb 6 - Sat, Feb 13

8:00 am - 12:00 pmGSP Greenville-ISP Islip Long Island

4h 00m1 stop Baltimore/Washington

12:30 pm - 8:55 pmISP Islip Long Island-GSP Greenville

8h 25m2 stops Baltimore/Washington Nashville Intl

$374Southwest

Sat, Feb 6 - Sun, Feb 14

8:00 am - 12:00 pmGSP Greenville-ISP Islip Long Island

4h 00m1 stop Baltimore/Washington

12:30 pm - 7:35 pmISP Islip Long Island-GSP Greenville

7h 05m1 stop Baltimore/Washington

$374Southwest

Sat, Feb 6 - Sun, Feb 14

4:30 pm - 10:30 pmGSP Greenville-ISP Islip Long Island

6h 00m2 stops Nashville Intl Baltimore/Washington

12:30 pm - 8:55 pmISP Islip Long Island-GSP Greenville

8h 25m2 stops Baltimore/Washington Nashville Intl

$379Southwest

Sat, Feb 6 - Sun, Feb 14

7:05 am - 3:30 pmGSP Greenville-ISP Islip Long Island

8h 25m2 stops Nashville Intl Orlando

12:45 pm - 7:30 pmISP Islip Long Island-GSP Greenville

6h 45m1 stop Baltimore/Washington

$396Southwest

Tue, Dec 1 - Sat, Dec 5

4:30 pm - 10:30 pmGSP Greenville-ISP Islip Long Island

6h 00m2 stops Nashville Intl Baltimore/Washington

9:25 am - 10:00 pmISP Islip Long Island-GSP Greenville

12h 35m2 stops Baltimore/Washington Nashville Intl

$397Southwest

Sat, Feb 6 - Sat, Feb 13

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

$444Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

4:02 pm - 10:31 amGSP Greenville-ISP Islip Long Island

18h 29m1 stop Orlando

7:45 pm - 3:47 pmISP Islip Long Island-GSP Greenville

20h 02m2 stops Norfolk Orlando

$599Multiple Airlines

Thu, Dec 24 - Sun, Jan 3

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Southwest flights from Greenville to Islip, New York

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

Southwest

Dec 1

GSP8:05 amGreenville

3h 40m

1 stop

ISP11:45 amIslip Long Island

Dec 5

ISP3:30 pmIslip Long Island

4h 00m

1 stop

GSP7:30 pmGreenville

$340

Southwest

Feb 6

GSP8:00 amGreenville

4h 00m

1 stop

ISP12:00 pmIslip Long Island

Feb 13

ISP3:50 pmIslip Long Island

4h 45m

1 stop

GSP8:35 pmGreenville

$342

Southwest

Feb 6

GSP4:30 pmGreenville

6h 00m

2 stops

ISP10:30 pmIslip Long Island

Feb 13

ISP3:50 pmIslip Long Island

4h 45m

1 stop

GSP8:35 pmGreenville

$347

Breeze Airways flights from Greenville to Islip, New York

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

Breeze Airways

Nov 9

GSP8:32 pmGreenville

16h 26m

2 stops

ISP12:58 pmIslip Long Island

Nov 15

ISP5:28 pmIslip Long Island

26h 44m

2 stops

GSP8:12 pmGreenville

$694

Breeze Airways

Nov 9

GSP8:32 pmGreenville

16h 26m

2 stops

ISP12:58 pmIslip Long Island

Nov 14

ISP7:42 pmIslip Long Island

14h 20m

1 stop

GSP10:02 amGreenville

$719

Breeze Airways

Nov 9

GSP8:32 pmGreenville

16h 26m

2 stops

ISP12:58 pmIslip Long Island

Nov 14

ISP12:00 pmIslip Long Island

21h 32m

2 stops

GSP9:32 amGreenville

$723

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

Cheapest round-trip

Quickest round-trip

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Tue 12/1

8:05 am-11:45 am

1 stop3h 40m

Islip Long Island

Sat 12/5

3:30 pm-7:30 pm

1 stop4h 00m

$340

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Sat 2/6

8:00 am-12:00 pm

1 stop4h 00m

Islip Long Island

Sat 2/13

3:50 pm-8:35 pm

1 stop4h 45m

$342

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Sat 2/6

4:30 pm-10:30 pm

2 stops6h 00m

Islip Long Island

Sat 2/13

3:50 pm-8:35 pm

1 stop4h 45m

$347

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Sat 2/6

8:00 am-12:00 pm

1 stop4h 00m

Islip Long Island

Sun 2/14

12:30 pm-8:55 pm

2 stops8h 25m

$374

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Sat 2/6

8:00 am-12:00 pm

1 stop4h 00m

Islip Long Island

Sun 2/14

12:30 pm-7:35 pm

1 stop7h 05m

$374

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Sat 2/6

4:30 pm-10:30 pm

2 stops6h 00m

Islip Long Island

Sun 2/14

12:30 pm-8:55 pm

2 stops8h 25m

$379

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Tue 12/1

7:05 am-3:30 pm

2 stops8h 25m

Islip Long Island

Sat 12/5

12:45 pm-7:30 pm

1 stop6h 45m

$396

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Sat 2/6

4:30 pm-10:30 pm

2 stops6h 00m

Islip Long Island

Sat 2/13

9:25 am-10:00 pm

2 stops12h 35m

$397

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Wed 11/11

8:24 pm-5:33 pm

2 stops21h 09m

Islip Long Island

Sun 11/15

6:33 pm-3:47 pm

1 stop21h 14m

$444

GreenvilleIslip

GSP Greenville - ISP Islip Long Island

GSPISP

Greenville

Thu 12/24

4:02 pm-10:31 am

1 stop18h 29m

Islip Long Island

Sun 1/3

7:45 pm-3:47 pm

2 stops20h 02m

$599

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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

Prices

Airlines

What is the cheapest month to fly to Islip, New York?

The month of April is, on average, the cheapest month to fly to Islip, New York from Greenville, with most prices found around $0. If you aren’t able to travel to Islip, New York during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

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

Best Price Found	$259
Fastest flight time	3h 40m
Direct flights	None

The best one-way flight to Islip, New York from Greenville in the past 72 hours is $259. The best round-trip flight deal from Greenville to Islip, New York found on momondo in the last 72 hours is $340.

The fastest flight from Greenville to Islip, New York takes 3h 40m

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

Frequently asked questions about flying from Greenville to Islip, New York

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 40m.
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 October 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 $331	Free Cancellation	Rating 7.9 4,217 reviews		Search Southwest flights

Montauk

Riverhead

Southampton

Amagansett

Sag Harbor

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.

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Cheap flights from Greenville to New York from $259

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greenville to New York departing on 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Greenville to Islip, New York

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

Breeze Airways flights from Greenville to Islip, New York

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

momondo Fare Finder

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

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

What is the cheapest month to fly to Islip, New York?

What is the cheapest airline that flies from Greenville to Islip Long Island?

What airlines fly to Islip, New York?

When to book flights from Greenville to Islip, New York

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Greenville to Islip, New York

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

Traveling to a place near New York?

Why use momondo?

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to New York

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in New York. Availability may vary depending on flight origin and airline.

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