What is the cheapest airline to fly from Islip, New York to Greenville round-trip?

Flying on Breeze Airways is currently your cheapest option to Greenville, with prices starting at $604.

What is the cheapest day to fly from Islip, New York to Greenville?

Travelers seeking maximum savings on their Islip, New York to Greenville flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Islip, New York to Greenville?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 38% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Islip, New York to Greenville?

Find a great deal and save up to 68% by booking at least 54 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Islip, New York to Greenville within the next two weeks, with the cheapest ticket starting at $326.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Greenville. Flights to Greenville from Islip, New York in January are about $304 on average during January, but can be found for as low as $209.

What is the cheapest time of day to fly from ISP to GSP?

It’s typically best to fly out from Islip, New York to Greenville at noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

Most accurate provider : When it comes to deals on Islip, New York-Greenville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Greenville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Greenville flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Islip, New York-Greenville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Greenville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Islip to Greenville that include hotel bookings?

Yes. In addition to deals on Islip to Greenville flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Islip to Greenville?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Greenville.

Can I find deals for business class flights from Islip to Greenville?

Yes. Cheapflights offers flight deals from Islip to Greenville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$604+ Flights from Islip, NY to Greenville

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Islip to Greenville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Islip to Greenville

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$604 (Gotogate)
Popular in	July
Cheapest in	January
Average price	$349

Provider with most accurate pricing for Islip Long Island-Greenville flight deals.

Search Deals

Provider most trusted by Cheapflights users for Islip Long Island-Greenville flights.

Search Deals

From Islip Long Island to Greenville

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Islip to Greenville

Cheapest flights from Islip to Greenville
Explore the most affordable flight options available from Islip to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Wed 4/307:19 pmISP - GSP

1 stop14h 35mBreeze Airways

Sun 5/44:33 pmGSP - ISP

2 stops17h 31mBreeze Airways

Deal found 4/14

$604

Wed 4/302:25 pmISP - GSP

3 stops30h 03mMultiple Airlines

Sun 5/44:33 pmGSP - ISP

2 stops17h 31mMultiple Airlines

Deal found 4/14

$699

Best flights from Islip to Greenville
Discover carefully curated flight deals from Islip to Greenville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Wed 4/307:19 pmISP - GSP

1 stop14h 35mBreeze Airways

Sun 5/44:33 pmGSP - ISP

2 stops17h 31mBreeze Airways

Deal found 4/14

$604

Wed 4/302:25 pmISP - GSP

3 stops30h 03mMultiple Airlines

Sun 5/44:33 pmGSP - ISP

2 stops17h 31mMultiple Airlines

Deal found 4/14

$699

Last-minute flights from Islip to Greenville
Discover last-minute flight deals from Islip to Greenville. Data last updated April 15, 2025 and is based on user searches.

Wed 4/307:19 pmISP - GSP

1 stop14h 35mBreeze Airways

Sun 5/44:33 pmGSP - ISP

2 stops17h 31mBreeze Airways

Deal found 4/14

$604

Wed 4/302:25 pmISP - GSP

3 stops30h 03mMultiple Airlines

Sun 5/44:33 pmGSP - ISP

2 stops17h 31mMultiple Airlines

Deal found 4/14

$699

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IslipGreenville

ISP - GSP

ISPGSP

Islip Long Island

Wed 4/30

7:19 pm-9:54 am

1 stop14h 35m

Greenville

Sun 5/4

4:33 pm-10:04 am

2 stops17h 31m

$604

IslipGreenville

ISP - GSP

ISPGSP

Islip Long Island

Wed 4/30

2:25 pm-8:28 pm

3 stops30h 03m

Greenville

Sun 5/4

4:33 pm-10:04 am

2 stops17h 31m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Compare providers for flights from Islip to Greenville

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Greenville in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Islip, New York-Greenville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Greenville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Greenville flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Islip, New York-Greenville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Greenville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Greenville

Have a flexible travel schedule? Discover the best time to fly to Greenville from Islip with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Islip, New York to Greenville?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Greenville (average of $329). Flying from Islip, New York to Greenville in March is currently the most expensive (average of $384). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Greenville by month

In terms of precipitation, rainfall in Greenville ranges from 3.6 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Greenville when rainfall is around 3.6 in.

Temperature in Greenville by month

If weather is an important factor for your trip to Greenville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Greenville

Breeze Airways

8.1

Very good

158 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Breeze Airways

8.1

Very good

158 reviews

Breeze Airways

8.1

Very good

158 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

What is the cheapest airline to fly from Islip, New York to Greenville round-trip?
Flying on Breeze Airways is currently your cheapest option to Greenville, with prices starting at $604.
Can I find deals for flights from Islip to Greenville that include hotel bookings?
Yes. In addition to deals on Islip to Greenville flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Greenville?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Greenville.
Can I find deals for business class flights from Islip to Greenville?
Yes. Cheapflights offers flight deals from Islip to Greenville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Islip, New York to Greenville?
Currently, January is the cheapest month in which you can book a flight from Islip, New York to Greenville (average of $329). Flying from Islip, New York to Greenville in March is currently the most expensive (average of $384). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Simpsonville

Seneca

Duncan

Anderson

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Islip to Greenville

John F Kennedy Intl to Charlotte flights

John F Kennedy Intl to Charleston flights

Newark to Charlotte flights

LaGuardia to Charleston flights

LaGuardia to Charlotte flights

Newark to Charleston flights

Newark to Savannah flights

John F Kennedy Intl to Savannah flights

John F Kennedy Intl to Myrtle Beach flights

Newark to Myrtle Beach flights

LaGuardia to Myrtle Beach flights

LaGuardia to Savannah flights

White Plains to Charleston flights

Newark to Greenville flights

John F Kennedy Intl to Greenville flights

LaGuardia to Greenville flights

LaGuardia to Hilton Head Island flights

John F Kennedy Intl to Hilton Head Island flights

Newark to Hilton Head Island flights

Rochester to Charlotte flights

LaGuardia to Columbia flights

Stewart to Charleston flights

Syracuse to Charlotte flights

White Plains to Myrtle Beach flights

Buffalo to Charlotte flights

Albany to Charlotte flights

John F Kennedy Intl to Columbia flights

Newark to Columbia flights

Stewart to Myrtle Beach flights

Islip to Charleston flights

Stewart to Charlotte flights

White Plains to Charlotte flights

Rochester to Charleston flights

Rochester to Myrtle Beach flights

Buffalo to Charleston flights

Albany to Charleston flights

Syracuse to Charleston flights

Syracuse to Savannah flights

Albany to Savannah flights

Islip to Myrtle Beach flights

Buffalo to Myrtle Beach flights

Syracuse to Myrtle Beach flights

Albany to Myrtle Beach flights

Islip to Charlotte flights

Buffalo to Savannah flights

Rochester to Savannah flights

White Plains to Savannah flights

John F Kennedy Intl to Augusta flights

LaGuardia to Augusta flights

Newark to Augusta flights

Other flights to Greenville

Top airline flying from Islip to Greenville

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$218	Average$376	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$604+ Cheap flights from Islip, NY to Greenville (ISP - GSP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Greenville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Islip to Greenville

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Islip to Greenville

Cheapest flights from Islip to GreenvilleExplore the most affordable flight options available from Islip to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Islip to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Islip to Greenville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Greenville in April.

Best time to book a flight from Islip to Greenville

Have a flexible travel schedule? Discover the best time to fly to Greenville from Islip with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from Islip, New York to Greenville?

Rainfall in Greenville by month

Plan your trip to Greenville by taking into account the average rainfall totals by month.

Temperature in Greenville by month

Plan your trip to Greenville by taking into account the average temperature totals by month.

Reviews of airlines servicing Greenville

Related info for your journey

Find useful and relevant information for your journey from Islip to Greenville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Islip, New York to Greenville round-trip?

Can I find deals for flights from Islip to Greenville that include hotel bookings?

How can I find direct flights from Islip to Greenville?

Can I find deals for business class flights from Islip to Greenville?

What is the cheapest month to book a flight from Islip, New York to Greenville?

Traveling to a place near Islip?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Greenville

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Islip to Greenville

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Islip to Greenville
Explore the most affordable flight options available from Islip to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.