Flights from Greenville-Spartanburg (GSP) to Long Island/Islip MacArthur (ISP)

Book low fares from Greenville-Spartanburg to Long Island/Islip MacArthur with Southwest Airlines®. It’s easy to find the Greenville-Spartanburg International Airport / Roger Milliken Field to Long Island MacArthur Airport flight to make your booking and travel a breeze. Whether you’re traveling for business or pleasure, solo or with the whole family, you’ll enjoy flying Southwest®. Have flexible travel dates? Plug them into the Low Fare Calendar and see the lowest fares available within your travel window. You may also want to browse Southwest Vacations® to see special offers and package deals on flights, hotels, rental cars, and more.

Explore your options and book your Greenville-Spartanburg to Long Island/Islip MacArthur flight with Southwest today!

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Low fare alert

Greenville-Spartanburg, SC to Long Island/Islip MacArthur, NY

departing on 12/23

one-way starting at*

$99
Book now

*Restrictions and exclusions apply. Seats and dates are limited. Select markets. 33 travel days available.

Check out Greenville-Spartanburg to Long Island/Islip MacArthur flights and book yours now!

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Travel Advisory

During the ongoing COVID-19 pandemic, the availability, health and safety procedures, operations, and schedules for local attractions are changing constantly. Please contact attractions directly for hours of operation, potential temperature screenings, and other possible health and safety procedures and restrictions. Visit our Coronavirus Travel Information page for information about potential restrictions on air travel.

Flight details

Departing from: Greenville-Spartanburg International Airport / Roger Milliken Field (GSP)

Arriving at: Long Island MacArthur Airport (ISP)

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Route information

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Daily flight

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Weekly flight

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12-6pm

View our interactive map

Based on DOT published scheduled average flights Monday-Friday between 10/30/2020 and 12/31/2020, as of 11/2/2020.

Travel tips

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Infancy policy

One child over 14 days and under two (2) years of age, not occupying a seat, may be carried free of charge when traveling with an adult (12 years of age or older). Learn more.

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Pet policy

Customers flying with a pet are subject to a pet fare. To learn more about traveling with your furry friend, explore the Southwest® pet policy.

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Unaccompanied minor

Minors under the age of 18 are not permitted to fly unaccompanied on international flights or any itinerary that includes an international flight. Learn more.

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Bags fly free®1

Start packing! Every ticketed Customer’s first two checked bags are free. Learn more.

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The Southwest travel experience

At Southwest, we know it takes more than great deals on Long Island/Islip MacArthur airfares and convenient scheduling options to make your trip memorable. So from booking to boarding, we offer services and features designed to make your travel from Greenville-Spartanburg to Long Island/Islip MacArthur the best it can be. Find out more about the Southwest® Experience before you book your Greenville-Spartanburg International Airport / Roger Milliken Field to Long Island MacArthur Airport flight.

Flying with Southwest is simple and fun, no matter which of our dozens of exciting destinations you choose. And when you search for your next flight to Long Island/Islip MacArthur, you know you won’t be surprised at checkout. Low fares, no hidden fees. That’s our Transfarency® promise. And, as always, bags fly free. Enroll in our Click 'N Save® emails and stay up to date on our latest flight deals. Looking for tours, activities, and more hidden gems to add to your Long Island/Islip MacArthur adventure? Explore Southwest Airlines® Experiences and earn Rapid Rewards® points when you fly.

1First and second checked bags. Weight and size limits apply.

2Fare difference may apply.

Questions we hear the most

How many Southwest flights from Greenville-Spartanburg to Long Island/Islip MacArthur occur daily?

There is one flight daily from Greenville-Spartanburg to Long Island/Islip MacArthur on Southwest Airlines.

What day is it cheapest to fly from Greenville-Spartanburg to Long Island/Islip MacArthur?

To find the cheapest day and time to fly Greenville-Spartanburg to Long Island/Islip MacArthur with Southwest, check out our Low Fare Calendar.

Can I rent a car at Long Island MacArthur Airport?

You can rent a car at Long Island MacArthur Airport—book yours with your flight.

Can I change my flight reservation for my flight from Greenville-Spartanburg to Long Island/Islip MacArthur?

Yes! Flights from Greenville-Spartanburg to Long Island/Islip MacArthur—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.

Where can I find the status of my flight from Greenville-Spartanburg to Long Island/Islip MacArthur?

Check the status of your upcoming Southwest flight here.

Where can I find answers to other questions about flying from Greenville-Spartanburg to Long Island/Islip MacArthur with Southwest?

Check out the Southwest Airlines® FAQs for answers about everything Southwest.