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Islip

$88+ Cheap flights from Cleveland to Islip (CLE - 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ISP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Cleveland to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Cleveland (CLE) to Islip (ISP). 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

$137
(Southwest)

One-way from

$88
(CheapOair)

Popular in

December

Cheapest in

February

Average price

$182
From Cleveland Hopkins Intl to Islip Long Island
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One-way flight from Cleveland Hopkins Intl to Islip Long Island
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Highest demand for flights based on searches. 12% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 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 Cleveland to Islip

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

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.
Tue 11/183:50 pmCLE - ISP
1 stop6h 15mSouthwest
Wed 11/193:55 pmISP - CLE
1 stop6h 10mSouthwest
Deal found 9/9$137
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:30 amCLE - ISP
1 stop29h 07mFrontier
Tue 11/46:27 pmISP - CLE
1 stop27h 08mFrontier
Deal found 9/10$148
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:04 pmCLE - ISP
1 stop17h 00mFrontier
Sun 9/2811:25 amISP - CLE
1 stop25h 49mFrontier
Deal found 9/10$150
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:00 amCLE - ISP
1 stop26h 55mFrontier
Wed 9/2411:35 amISP - CLE
1 stop29h 23mFrontier
Deal found 9/10$156
This CheapOair deal was found by Cheapflights users on 9/11. 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 9/199:50 pmCLE - ISP
1 stop13h 05mFrontier
Wed 9/2411:35 amISP - CLE
1 stop29h 23mFrontier
Deal found 9/11$164
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:05 pmCLE - ISP
1 stop14h 32mFrontier
Sun 10/199:47 pmISP - CLE
1 stop26h 57mFrontier
Deal found 9/10$171
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:00 pmCLE - ISP
1 stop20h 55mFrontier
Fri 9/265:12 pmISP - CLE
1 stop24h 51mFrontier
Deal found 9/10$173
This Frontier deal was found by Cheapflights users on 9/11. 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 9/189:50 pmCLE - ISP
1 stop12h 50mFrontier
Sun 9/219:49 amISP - CLE
1 stop10h 28mFrontier
Deal found 9/11$174
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 11/165:30 amCLE - ISP
1 stop7h 20mSouthwest
Wed 11/193:55 pmISP - CLE
1 stop6h 10mSouthwest
Deal found 9/9$177
This CheapOair deal was found by Cheapflights users on 9/11. 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 10/29:50 pmCLE - ISP
1 stop12h 50mFrontier
Thu 10/99:37 pmISP - CLE
1 stop19h 08mFrontier
Deal found 9/11$181
This Southwest deal was found by Cheapflights users on 9/11. 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.
Sat 10/115:55 amCLE - ISP
1 stop10h 20mSouthwest
Sat 10/1811:55 amISP - CLE
1 stop5h 10mSouthwest
Deal found 9/11$182

Cheapflights Fare Finder

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

Fly from

Cleveland

Fly to

Islip

Route

Depart

Return

Price

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Tue 11/18

3:50 pm-10:05 pm

1 stop6h 15m

Islip Long Island

Wed 11/19

3:55 pm-10:05 pm

1 stop6h 10m

$137

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Fri 10/31

5:30 am-10:37 am

1 stop29h 07m

Islip Long Island

Tue 11/4

6:27 pm-9:35 pm

1 stop27h 08m

$148

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Thu 9/25

5:53 pm-10:40 am

1 stop16h 47m

Islip Long Island

Sun 9/28

11:25 am-1:14 pm

1 stop25h 49m

$148

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Fri 10/3

9:50 pm-10:55 am

1 stop13h 05m

Islip Long Island

Sun 10/5

5:12 pm-12:35 am

1 stop7h 23m

$150

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Sat 9/27

4:04 pm-9:04 am

1 stop17h 00m

Islip Long Island

Sun 9/28

11:25 am-1:14 pm

1 stop25h 49m

$150

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Mon 9/22

9:50 pm-10:40 am

1 stop12h 50m

Islip Long Island

Wed 9/24

11:35 am-4:58 pm

1 stop29h 23m

$164

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Wed 9/24

2:00 pm-10:55 am

1 stop20h 55m

Islip Long Island

Fri 9/26

5:12 pm-6:03 pm

1 stop24h 51m

$173

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Sun 11/16

5:30 am-12:50 pm

1 stop7h 20m

Islip Long Island

Wed 11/19

3:55 pm-10:05 pm

1 stop6h 10m

$177

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Thu 10/2

9:50 pm-10:40 am

1 stop12h 50m

Islip Long Island

Thu 10/9

9:37 pm-4:45 pm

1 stop19h 08m

$181

ClevelandIslip

CLE - ISP

CLEISP

Cleveland Hopkins Intl

Sat 10/11

5:55 am-4:15 pm

1 stop10h 20m

Islip Long Island

Sat 10/18

11:55 am-5:05 pm

1 stop5h 10m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Cleveland to Islip

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

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

Currently, January is the cheapest month in which you can book a flight from Cleveland to Islip (average of $108). Flying from Cleveland 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 CLE to ISP?

Find hourly flight availability from Cleveland 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 September 11, 2025.

When flying from Cleveland to Islip, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 32% versus a flight in the morning.

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 September 11, 2025.
See what other customers who have flown with Southwest from Cleveland to Islip have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

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

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

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 Cleveland to Islip. 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 Cleveland to Islip?

    Departing from Cleveland to Islip will take you 6h 15m. Cleveland and Islip are separated by a distance of 457 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Southwest, at $123, was found to be the cheapest airline from Cleveland to Islip..

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Cleveland to Islip (average of $108). Flying from Cleveland 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 Cleveland to Islip

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Top airline flying from Cleveland to Islip

Discover the top airline that operate flights from Cleveland 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$123Average$387FlexibilityNo cancel feeOn-time63%

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