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Islip

$80+ Cheap flights from Spartanburg, SC to Islip (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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — ISP
Aug 30 — Sep 61
Sat 8/30
Sat 9/6
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 August 25, 2025.

Round-trip from

$151
(FlightHub)

One-way from

$80
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$327
From Spartanburg to Islip Long Island
Search Deals
One-way flight from Spartanburg to Islip Long Island
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 25, 2025.

This FlightHub deal was found by Cheapflights users on 8/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:55 pmCLT - ISP
1 stop13h 09mFrontier
Thu 9/2511:40 amISP - CLT
1 stop25h 21mFrontier
Deal found 8/25$151
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Thu 9/48:51 pmCLT - ISP
1 stop13h 49mFrontier
Wed 9/1711:35 amISP - CLT
1 stop20h 20mFrontier
Deal found 8/23$155
This FlightHub deal was found by Cheapflights users on 8/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:51 pmCLT - ISP
1 stop14h 04mFrontier
Sun 9/145:12 pmISP - CLT
1 stop25h 53mFrontier
Deal found 8/24$157
This FlightHub deal was found by Cheapflights users on 8/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:55 pmCLT - ISP
1 stop20h 28mFrontier
Sun 9/215:12 pmISP - CLT
1 stop25h 53mFrontier
Deal found 8/25$175
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:05 amCLT - ISP
1 stop5h 20mSouthwest
Tue 10/2811:40 amISP - CLT
1 stop4h 05mSouthwest
Deal found 8/24$177
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Sat 9/62:01 pmCLT - ISP
1 stop20h 49mFrontier
Wed 9/1711:35 amISP - CLT
1 stop20h 20mFrontier
Deal found 8/23$182
This FlightHub deal was found by Cheapflights users on 8/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:45 pmCLT - ISP
1 stop25h 57mFrontier
Thu 10/309:54 amISP - CLT
1 stop25h 34mFrontier
Deal found 8/24$187
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Tue 9/91:53 pmCLT - ISP
1 stop20h 47mMultiple Airlines
Sat 9/135:05 pmISP - CLT
1 stop14h 50mMultiple Airlines
Deal found 8/25$197
This FlightHub deal was found by Cheapflights users on 8/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:51 pmCLT - ISP
1 stop13h 49mFrontier
Thu 9/1811:40 amISP - CLT
1 stop20h 30mFrontier
Deal found 8/23$200
This FlightHub deal was found by Cheapflights users on 8/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:51 pmCLT - ISP
1 stop13h 49mFrontier
Sun 9/2811:25 amISP - CLT
1 stop20h 30mFrontier
Deal found 8/22$205
This Frontier deal was found by Cheapflights users on 8/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:41 pmCLT - ISP
1 stop11h 32mFrontier
Sun 8/319:01 pmISP - CLT
1 stop11h 13mFrontier
Deal found 8/24$208
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/51:48 pmCLT - ISP
1 stop21h 07mMultiple Airlines
Wed 9/1711:35 amISP - CLT
2 stops12h 01mMultiple Airlines
Deal found 8/23$215

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 August 25, 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

Thu 9/18

7:55 pm-9:04 am

1 stop13h 09m

Islip Long Island

Thu 9/25

11:40 am-1:01 pm

1 stop25h 21m

$151

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Fri 9/5

8:51 pm-10:55 am

1 stop14h 04m

Islip Long Island

Wed 9/17

11:35 am-7:55 am

1 stop20h 20m

$155

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Thu 9/4

8:51 pm-10:40 am

1 stop13h 49m

Islip Long Island

Wed 9/17

11:35 am-7:55 am

1 stop20h 20m

$155

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Fri 9/26

7:55 pm-4:23 pm

1 stop20h 28m

Islip Long Island

Sun 9/28

11:25 am-7:55 am

1 stop20h 30m

$157

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Fri 10/3

8:51 pm-10:55 am

1 stop14h 04m

Islip Long Island

Sun 10/5

5:12 pm-7:05 pm

1 stop25h 53m

$157

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Fri 9/12

8:51 pm-10:55 am

1 stop14h 04m

Islip Long Island

Sun 9/14

5:12 pm-7:05 pm

1 stop25h 53m

$157

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Fri 9/19

7:55 pm-4:23 pm

1 stop20h 28m

Islip Long Island

Sun 9/21

5:12 pm-7:05 pm

1 stop25h 53m

$175

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Tue 10/21

7:05 am-12:25 pm

1 stop5h 20m

Islip Long Island

Tue 10/28

11:40 am-3:45 pm

1 stop4h 05m

$177

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Sat 9/6

2:01 pm-10:50 am

1 stop20h 49m

Islip Long Island

Wed 9/17

11:35 am-7:55 am

1 stop20h 20m

$182

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Mon 10/27

3:45 pm-5:42 pm

1 stop25h 57m

Islip Long Island

Thu 10/30

9:54 am-11:28 am

1 stop25h 34m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 22 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?

Currently, January is the cheapest month in which you can book a flight from Spartanburg to Islip (average of $108). Flying from Spartanburg to Islip in November is currently the most expensive (average of $213). 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 August 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Spartanburg to Islip as you normally would.

How much does it cost to fly round-trip from Spartanburg to Islip?

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 August 25, 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
4,243 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

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
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

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
3,201 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

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?

    Airlines like Frontier fly from Spartanburg to Islip in about 13h 09m. The time it takes to get you to your destination can typically vary by up to . There are 574 mi between Spartanburg and Islip.

  • 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?

    Currently, January is the cheapest month in which you can book a flight from Spartanburg to Islip (average of $108). Flying from Spartanburg to Islip in November is currently the most expensive (average of $213). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$198FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$77Average$79FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$272Average$354FlexibilityNo cancel feeOn-time63%

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