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$81+ Cheap flights from Islip to Cleveland (ISP - CLE)

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.
ISP — CLE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Islip to Cleveland

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Cleveland (CLE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$158
(Frontier)

One-way from

$81
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$219
From Islip Long Island to Cleveland Hopkins Intl
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One-way flight from Islip Long Island to Cleveland Hopkins Intl
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Highest demand for flights based on searches. 9% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Islip to Cleveland

Cheapest flights from Islip to Cleveland
Explore the most affordable flight options available from Islip to Cleveland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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.
Sun 9/2811:25 amISP - CLE
1 stop29h 33mFrontier
Mon 10/69:50 pmCLE - ISP
1 stop22h 52mFrontier
Deal found 9/10$158
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/205:18 pmISP - CLE
1 stop19h 15mFrontier
Sun 9/219:56 pmCLE - ISP
1 stop12h 44mFrontier
Deal found 9/9$177
This Southwest deal was found by Cheapflights users on 9/9. 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.
Sun 9/286:00 amISP - CLE
1 stop6h 15mSouthwest
Mon 10/65:30 pmCLE - ISP
1 stop6h 15mSouthwest
Deal found 9/9$271
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Mon 9/155:12 pmISP - CLE
1 stop20h 52mFrontier
Tue 9/166:25 pmCLE - ISP
2 stops16h 15mFrontier
Deal found 9/8$275
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/129:49 amISP - CLE
1 stop10h 35mFrontier
Sun 9/146:00 amCLE - ISP
1 stop10h 27mFrontier
Deal found 9/9$279
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/207:32 pmISP - CLE
2 stops17h 59mMultiple Airlines
Sun 9/219:56 pmCLE - ISP
1 stop12h 44mMultiple Airlines
Deal found 9/9$323

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Cleveland 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 September 11, 2025.
Use the filters below to find and compare flights from Islip to Cleveland that are best for you.

Fly from

Islip

Fly to

Cleveland

Route

Depart

Return

Price

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Sun 9/28

11:25 am-4:58 pm

1 stop29h 33m

Cleveland Hopkins Intl

Mon 10/6

9:50 pm-8:42 pm

1 stop22h 52m

$158

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Sun 9/28

6:00 am-12:15 pm

1 stop6h 15m

Cleveland Hopkins Intl

Mon 10/6

5:30 pm-11:45 pm

1 stop6h 15m

$271

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Sat 12/20

5:45 am-12:27 pm

1 stop6h 42m

Cleveland Hopkins Intl

Wed 12/31

12:50 pm-7:21 pm

1 stop6h 31m

$646

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Thu 9/18

11:40 am-8:55 pm

1 stop9h 15m

$81

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Sun 10/5

5:12 pm-12:35 am

1 stop7h 23m

$87

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Sun 9/21

9:49 am-8:17 pm

1 stop10h 28m

$93

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Sat 9/20

5:18 pm-12:33 pm

1 stop19h 15m

$95

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Sun 9/28

5:12 pm-12:35 am

1 stop7h 23m

$119

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Thu 10/2

5:12 pm-12:35 am

1 stop7h 23m

$119

IslipCleveland

ISP - CLE

ISPCLE

Islip Long Island

Fri 9/19

9:49 am-8:24 pm

1 stop10h 35m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 11 results
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Best time to book a flight from Islip to Cleveland

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

What is the cheapest month to book a flight from Islip to Cleveland?

Currently, April is the cheapest month in which you can book a flight from Islip to Cleveland (average of $250). Flying from Islip to Cleveland in June is currently the most expensive (average of $290). 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.

Reviews of airlines servicing Cleveland

Get insights into the airlines that provide service to Cleveland. 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 Cleveland. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Southwest from Islip to Cleveland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

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 Islip to Cleveland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Islip to Cleveland?

    For as low as $271, Frontier can have you in Cleveland from Islip in 6h 15m. The distance between Islip and Cleveland is about 457 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Islip to Cleveland round-trip?

    Cheapflights users have booked flights from Islip to Cleveland round-trip from $197.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Cleveland 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 Islip to Cleveland?

    Currently, April is the cheapest month in which you can book a flight from Islip to Cleveland (average of $250). Flying from Islip to Cleveland in June is currently the most expensive (average of $290). 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 Cleveland?

Book flights to Cleveland if you plan to visit one of these locations
Sandusky
Mentor
Beachwood
Wooster
Avon
Mansfield
Independence
Willoughby
Elyria
Streetsboro
Cleveland Heights
North Olmsted
Cuyahoga Falls
Macedonia
Strongsville
Kent
Medina
Westlake

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Islip to Cleveland

Discover the top airline that operate flights from Islip to Cleveland. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$197Average$197FlexibilityNo cancel feeOn-time63%

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