GSP - ISP

$132 Find Cheap Flights from Greenville to Islip - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$270
Typical prices: $362-$569
Southwest
Sat 10/20Sat 10/27
GSP - ISP • 1 stop
Cheapest one-way
$132
Typical prices: $193-$308
Breeze Airways
Fri 11/16
GSP - ISP • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Greenville and Islip. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
June
Cheapest • 16% price drop
September
Most popular
Good to know
+1
Good to know
+1
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Flight Deals

Cheap Flights from Greenville to Islip (GSP-ISP)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Greenville to Islip

Tue, Oct 20 - Tue, Oct 27
Southwest Logo
1:25 pm - 8:00 pmGSP  Greenville-ISP Islip Long Island
6h 35m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 10:05 amISP  Islip Long Island-GSP Greenville
4h 00m1 stop Baltimore/Washington
$270Southwest
Tue, Oct 20 - Tue, Oct 27
Southwest Logo
7:00 am - 3:45 pmGSP  Greenville-ISP Islip Long Island
8h 45m2 stops Nashville Intl Baltimore/Washington
Southwest Logo
6:05 am - 10:05 amISP  Islip Long Island-GSP Greenville
4h 00m1 stop Baltimore/Washington
$276Southwest
Tue, Oct 20 - Tue, Oct 27
Southwest Logo
7:00 am - 3:45 pmGSP  Greenville-ISP Islip Long Island
8h 45m2 stops Nashville Intl Baltimore/Washington
Southwest Logo
9:40 am - 9:05 pmISP  Islip Long Island-GSP Greenville
11h 25m2 stops Baltimore/Washington Nashville Intl
$287Southwest
Sat, Nov 14 - Mon, Nov 16
Southwest Logo
8:25 am - 12:05 pmGSP  Greenville-ISP Islip Long Island
3h 40m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 10:45 amISP  Islip Long Island-GSP Greenville
4h 40m1 stop Baltimore/Washington
$289Southwest
Sat, Nov 14 - Mon, Nov 16
Southwest Logo
8:25 am - 12:05 pmGSP  Greenville-ISP Islip Long Island
3h 40m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 2:10 pmISP  Islip Long Island-GSP Greenville
8h 05m2 stops Baltimore/Washington Nashville Intl
$294Southwest
Tue, Dec 8 - Tue, Dec 15
Southwest Logo
8:05 am - 11:45 amGSP  Greenville-ISP Islip Long Island
3h 40m1 stop Baltimore/Washington
Southwest Logo
4:05 pm - 7:50 pmISP  Islip Long Island-GSP Greenville
3h 45m1 stop Baltimore/Washington
$325Southwest
Tue, Dec 8 - Tue, Dec 15
Southwest Logo
8:05 am - 11:45 amGSP  Greenville-ISP Islip Long Island
3h 40m1 stop Baltimore/Washington
Southwest Logo
6:30 am - 6:10 pmISP  Islip Long Island-GSP Greenville
11h 40m2 stops Orlando Nashville Intl
$330Southwest
Thu, Oct 22 - Wed, Oct 28
Southwest Logo
2:10 pm - 11:40 pmGSP  Greenville-ISP Islip Long Island
9h 30m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 10:05 amISP  Islip Long Island-GSP Greenville
4h 00m1 stop Baltimore/Washington
$330Southwest
Fri, Oct 2 - Tue, Oct 6
Multiple Airlines Logo
8:32 pm - 4:58 pmGSP  Greenville-ISP Islip Long Island
20h 26m1 stop Orlando
Multiple Airlines Logo
12:00 pm - 7:44 pmISP  Islip Long Island-GSP Greenville
31h 44m2 stops Raleigh-Durham Tampa
$375Multiple Airlines
Fri, Oct 2 - Tue, Oct 6
Multiple Airlines Logo
8:32 pm - 4:58 pmGSP  Greenville-ISP Islip Long Island
20h 26m1 stop Orlando
Multiple Airlines Logo
12:00 pm - 8:45 amISP  Islip Long Island-GSP Greenville
44h 45m2 stops Raleigh-Durham Sarasota Bradenton Intl
$402Multiple Airlines
Booking Insights

Price, demand and travel trends for Greenville to Islip flights

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

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

Round-trip flights from Greenville to Islip start at $270. Prices are below average for this route right now, with typical round-trip fares ranging from $362 to $569. The lowest price found in the past 5 days was $270 on Southwest.

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Key details for Greenville to Islip flights

Low season

December

Cheapest flight

$132
Most popular time to fly with an average 10% increase in price.
Flight from Greenville to Islip

When to book flights from Greenville to Islip

Are your dates flexible? Find out the best times to travel from Greenville to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Greenville to Islip flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

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

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

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

    Most connecting flights from Greenville to Islip 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 Greenville to Islip?

    Yes. Being flexible with your travel dates can save you up to 46% on the Greenville to Islip route. Friday is the cheapest departure day at $362 round-trip on average, while Saturday is the most expensive at $666, a difference of $304. 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 Greenville to Islip?

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

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

    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 Greenville to Islip 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 $270 to $1,643. That means the highest observed fare was about 6x higher than the lowest one.

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

    One-way fares from Greenville to Islip are currently lower than usual. Average one-way flight prices are about $158, which is 26% below the typical average for this route.

  • What car rental options are available at Islip Long Island Airport (ISP)?

    Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates starting from around $36 for economy cars. Top options include:
    • Budget
    • Enterprise Rent-A-Car
    • Avis
    • National
    • Empire Rent A Car

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

    Round-trip flights from Greenville to Islip range from $362 to $569, with an average of $432 over the past 12 months. Anything below $362 counts as a good deal.

Your guide to booking Greenville to Islip flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Saturday. On this route, Friday flights average $362 - about $304 less than Saturday (46% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Greenville to Islip trip for June. Fares historically average $362 round-trip in that month - typically $453 less than the most expensive month, which is October (based on the last 12 months).

More options for your flight from Greenville to Islip

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