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Islip

$71+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — ISP
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This CheapOair deal was found by Cheapflights users on 12/3. 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.
Sat 12/209:02 pmCLT - ISP
1 stop16h 07mFrontier
Mon 12/228:35 pmISP - CLT
1 stop17h 02mFrontier
Deal found 12/3$164
This CheapOair deal was found by Cheapflights users on 12/3. 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 12/159:20 pmCLT - ISP
1 stop22h 14mFrontier
Mon 12/228:35 pmISP - CLT
1 stop17h 02mFrontier
Deal found 12/3$184
This CheapOair deal was found by Cheapflights users on 12/3. 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 12/128:55 pmCLT - ISP
1 stop18h 15mFrontier
Tue 12/168:29 pmISP - CLT
1 stop13h 21mFrontier
Deal found 12/3$188
This CheapOair deal was found by Cheapflights users on 12/3. 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.
Sat 12/209:02 pmCLT - ISP
1 stop22h 38mFrontier
Sun 1/48:24 pmISP - CLT
1 stop24h 34mFrontier
Deal found 12/3$199
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Sun 12/219:33 pmCLT - ISP
1 stop15h 36mFrontier
Sun 1/48:24 pmISP - CLT
1 stop24h 34mFrontier
Deal found 12/3$207
This CheapOair deal was found by Cheapflights users on 12/3. 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
Mon 12/1510:19 amISP - CLT
1 stop10h 06mFrontier
Deal found 12/3$209
This Frontier deal was found by Cheapflights users on 12/3. 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.
Fri 12/1210:33 pmCLT - ISP
1 stop10h 40mFrontier
Sun 12/1411:15 amISP - CLT
1 stop10h 23mFrontier
Deal found 12/3$212
This CheapOair deal was found by Cheapflights users on 12/3. 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.
Sat 12/138:52 amCLT - ISP
1 stop25h 28mFrontier
Mon 1/52:04 pmISP - CLT
1 stop6h 54mFrontier
Deal found 12/3$214
This CheapOair deal was found by Cheapflights users on 12/2. 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 12/910:45 amCLT - ISP
1 stop8h 49mFrontier
Thu 12/1110:19 amISP - CLT
1 stop11h 19mFrontier
Deal found 12/2$218

Find flight deals from Spartanburg to Islip

Keep the following information in mind while searching for Spartanburg to Islip flight deals. Data was last updated December 4, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$129
(CheapOair)

One-way from

$71
(CheapOair)

Popular in

November

Cheapest in

September

Average price

$391
Provider with most accurate pricing for Charlotte Douglas-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charlotte Douglas-New York (NYC) flights.
Search Deals
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. 14% potential increase in price ($57 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 December 2025
Search Deals

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 December 4, 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 2/26

8:52 am-10:40 am

1 stop25h 48m

Islip Long Island

Sun 3/1

5:03 pm-7:57 am

1 stop14h 54m

$129

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Thu 2/26

8:52 am-10:40 am

1 stop25h 48m

Islip Long Island

Mon 3/2

7:41 pm-4:42 pm

1 stop21h 01m

$146

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Tue 2/17

7:51 pm-10:40 am

1 stop14h 49m

Islip Long Island

Fri 2/20

5:03 pm-9:55 am

1 stop16h 52m

$146

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Wed 2/25

10:52 am-9:47 am

1 stop22h 55m

Islip Long Island

Sun 3/1

5:03 pm-7:57 am

1 stop14h 54m

$146

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Sat 2/28

10:52 am-9:47 am

1 stop22h 55m

Islip Long Island

Mon 3/2

7:41 pm-4:42 pm

1 stop21h 01m

$146

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Tue 1/13

8:46 pm-10:46 pm

1 stop26h 00m

Islip Long Island

Tue 1/20

12:00 pm-10:40 am

1 stop22h 40m

$148

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Wed 12/31

4:11 pm-10:17 pm

1 stop6h 06m

Islip Long Island

Mon 1/5

8:24 pm-4:42 pm

1 stop20h 18m

$164

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Tue 1/13

8:46 pm-10:46 pm

1 stop26h 00m

Islip Long Island

Tue 1/20

12:00 pm-11:59 pm

2 stops35h 59m

$169

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Sat 12/20

9:02 pm-7:40 pm

1 stop22h 38m

Islip Long Island

Mon 12/22

8:35 pm-8:29 pm

1 stop23h 54m

$185

CharlotteIslip

CLT - ISP

CLTISP

Charlotte Douglas

Thu 1/15

5:21 pm-8:09 pm

1 stop26h 48m

Islip Long Island

Sun 1/18

9:52 am-4:43 pm

1 stop6h 51m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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, 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 December 4, 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.

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

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 December 4, 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
4,252 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,092 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 25h 48m. 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

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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$284FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$77Average$89FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$252Average$358FlexibilityNo cancel feeOn-time63%

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