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Islip

$75+ Cheap flights from Spartanburg, SC to Islip, NY (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — ISP
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Cheap flight deals from Spartanburg to Islip

Keep the following information in mind while searching for Spartanburg to Islip flight deals. Data was last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$144
(CheapOair)

One-way from

$75
(CheapOair)

Popular in

November

Cheapest in

September

Average price

$344
Provider with most accurate pricing for Charlotte Douglas-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Charlotte Douglas-New York (NYC) flights.
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From Spartanburg to Islip Long Island
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One-way flight from Spartanburg to Islip Long Island
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Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Spartanburg to Islip

Cheapest flights from Spartanburg to Islip
Explore the most affordable flight options available from Spartanburg to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:05 pmCLT - ISP
1 stop21h 37mFrontier
Fri 10/314:58 pmISP - CLT
1 stop19h 25mFrontier
Deal found 10/20$144
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:27 pmCLT - ISP
1 stop20h 10mFrontier
Wed 11/124:58 pmISP - CLT
1 stop16h 04mFrontier
Deal found 10/21$150
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:33 pmCLT - ISP
1 stop10h 40mFrontier
Tue 12/98:29 pmISP - CLT
1 stop13h 21mFrontier
Deal found 10/20$156
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:38 pmCLT - ISP
1 stop13h 31mFrontier
Mon 11/108:02 pmISP - CLT
1 stop24h 08mFrontier
Deal found 10/21$163
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:50 pmCLT - ISP
1 stop18h 47mMultiple Airlines
Sun 11/169:27 pmISP - CLT
1 stop11h 35mMultiple Airlines
Deal found 10/20$165
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:33 pmCLT - ISP
1 stop10h 40mFrontier
Sat 12/134:05 pmISP - CLT
1 stop21h 31mFrontier
Deal found 10/20$168
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:55 pmCLT - ISP
1 stop19h 42mFrontier
Fri 10/314:58 pmISP - CLT
1 stop19h 25mFrontier
Deal found 10/20$176
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:06 pmCLT - ISP
1 stop12h 31mMultiple Airlines
Sun 11/29:27 pmISP - CLT
1 stop11h 35mMultiple Airlines
Deal found 10/19$177
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:57 amCLT - ISP
1 stop9h 09mFrontier
Mon 11/174:58 pmISP - CLT
1 stop20h 34mFrontier
Deal found 10/21$179
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:18 pmCLT - ISP
1 stop22h 37mFrontier
Sat 11/14:58 pmISP - CLT
1 stop17h 09mFrontier
Deal found 10/21$183
This Trip.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:05 pmCLT - ISP
1 stop21h 37mFrontier
Sun 11/98:49 amISP - CLT
1 stop23h 16mFrontier
Deal found 10/21$184
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:57 amCLT - ISP
2 stops24h 40mFrontier
Sun 11/169:27 pmISP - CLT
1 stop11h 35mFrontier
Deal found 10/20$190

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spartanburg to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Spartanburg to Islip that are best for you.

Fly from

Spartanburg

Fly to

Islip

Route

Depart

Return

Price

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Fri 11/7

12:18 pm-10:55 am

1 stop22h 37m

Islip Long Island

Tue 11/11

6:27 pm-1:50 pm

1 stop19h 23m

$144

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Sun 11/2

7:38 pm-9:09 am

1 stop13h 31m

Islip Long Island

Mon 11/3

4:58 pm-1:32 pm

1 stop20h 34m

$144

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Tue 11/11

9:05 pm-10:37 am

1 stop13h 32m

Islip Long Island

Sat 11/15

11:40 am-8:00 am

1 stop20h 20m

$144

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Sun 11/2

10:25 pm-10:37 am

1 stop12h 12m

Islip Long Island

Sun 11/9

8:49 am-8:05 am

1 stop23h 16m

$144

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Tue 11/11

9:05 pm-10:37 am

1 stop13h 32m

Islip Long Island

Thu 11/13

9:54 am-11:28 am

1 stop25h 34m

$144

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Mon 10/27

8:05 pm-5:42 pm

1 stop21h 37m

Islip Long Island

Fri 10/31

4:58 pm-12:23 pm

1 stop19h 25m

$144

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Tue 11/4

2:27 pm-10:37 am

1 stop20h 10m

Islip Long Island

Mon 11/10

8:02 pm-8:10 pm

1 stop24h 08m

$144

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Mon 10/27

8:05 pm-5:42 pm

1 stop21h 37m

Islip Long Island

Mon 11/3

4:58 pm-1:32 pm

1 stop20h 34m

$144

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Tue 11/11

2:27 pm-10:37 am

1 stop20h 10m

Islip Long Island

Wed 11/12

4:58 pm-9:02 am

1 stop16h 04m

$150

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Thu 11/13

9:57 am-5:42 pm

1 stop7h 45m

Islip Long Island

Thu 11/20

10:02 am-8:39 am

1 stop22h 37m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 23 results
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Best time to book a flight from Spartanburg to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Spartanburg 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 Spartanburg to Islip

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

Currently, July is the cheapest month in which you can book a flight from Spartanburg to Islip, New York (average of $40). Flying from Spartanburg to Islip, New York in September is currently the most expensive (average of $68). 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.

What is the cheapest time of day to fly from SB1 to ISP?

Find hourly flight availability from Spartanburg to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2025.

It’s optimal to fly from Spartanburg to Islip, New York in the morning. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated October 22, 2025.
Read reviews from past customers who have flown Southwest and Frontier from Spartanburg to Islip. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,130 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • What airport do you fly into for flights to Islip from Spartanburg?

    Located just 7.2 mi from the city center, Islip Long Island is the airport most travelers will use when flying to Islip from Spartanburg. Booking flights from Spartanburg to Long Island (ISP) should be relatively easy as there are 0 daily inbound flights from Spartanburg from 3 different airlines.

  • How long is the flight from Spartanburg to Islip, New York?

    Frontier can get you from Spartanburg to Islip, New York in just under 22h 37m. Your travel time can differ by up to . The distance from Spartanburg to Islip, New York is about 574 mi.

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

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

  • How can I find direct flights from Spartanburg to Islip?

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

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

    Yes. Cheapflights offers flight deals from Spartanburg to Islip 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 Spartanburg to Islip, New York?

    Currently, July is the cheapest month in which you can book a flight from Spartanburg to Islip, New York (average of $40). Flying from Spartanburg to Islip, New York in September is currently the most expensive (average of $68). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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Alternative routes for Spartanburg to Islip

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Top 3 airlines flying from Spartanburg to Islip

Discover the top 3 airlines that operate flights from Spartanburg to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$284FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$76Average$88FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$363FlexibilityNo cancel feeOn-time63%

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