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Islip

$75+ Cheap flights from Kentucky 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.
SDF — ISP
Sep 8 — Sep 151
Mon 9/8
Mon 9/15
1 adult, Economy
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Cheap flight deals from Kentucky to Islip

Keep the following information in mind while searching for Kentucky to Islip flight deals. Data was last updated September 3, 2025.

Round-trip from

$150
(Cheapflightsfares)

One-way from

$75
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$313
From Kentucky to Islip Long Island
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One-way flight from Kentucky to Islip Long Island
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Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 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 Kentucky to Islip

Cheapest flights from Kentucky to Islip
Explore the most affordable flight options available from Kentucky to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:20 amCVG - ISP
1 stop5h 35mFrontier
Sat 10/45:18 pmISP - CVG
1 stop6h 26mFrontier
Deal found 9/3$150
This Frontier deal was found by Cheapflights users on 9/3. 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 9/266:05 amCVG - ISP
1 stop10h 22mFrontier
Sat 9/275:18 pmISP - CVG
1 stop6h 26mFrontier
Deal found 9/3$152
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:26 pmCVG - ISP
1 stop15h 14mFrontier
Fri 10/35:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/2$157
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:20 amCVG - ISP
1 stop5h 35mFrontier
Fri 9/195:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/2$165
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:05 amCVG - ISP
1 stop10h 22mFrontier
Sun 10/55:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/2$167
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:20 amCVG - ISP
1 stop5h 35mFrontier
Sun 10/55:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/2$180
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:20 amCVG - ISP
1 stop5h 35mFrontier
Sun 9/215:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/3$185
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:00 amCVG - ISP
1 stop8h 23mFrontier
Mon 10/65:05 pmISP - CVG
1 stop7h 52mFrontier
Deal found 9/2$188
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/2310:37 amBNA - ISP
1 stop9h 05mMultiple Airlines
Tue 10/286:27 pmISP - BNA
1 stop16h 10mMultiple Airlines
Deal found 9/1$195
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:20 amCVG - ISP
1 stop5h 35mFrontier
Mon 9/225:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/2$198
This Frontier deal was found by Cheapflights users on 9/3. 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 9/266:05 amCVG - ISP
1 stop10h 22mFrontier
Sun 9/285:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/3$201
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:32 pmCVG - ISP
1 stop19h 23mFrontier
Sun 9/215:12 pmISP - CVG
1 stop6h 17mFrontier
Deal found 9/2$204

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 3, 2025.
Use the filters below to find and compare flights from Kentucky to Islip that are best for you.

Fly from

Kentucky

Fly to

Islip

Route

Depart

Return

Price

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 10/2

5:20 am-10:55 am

1 stop5h 35m

Islip Long Island

Sat 10/4

5:18 pm-11:44 pm

1 stop6h 26m

$150

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 9/19

6:05 am-4:27 pm

1 stop10h 22m

Islip Long Island

Tue 9/23

11:25 am-9:17 pm

1 stop9h 52m

$152

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 9/26

6:05 am-4:27 pm

1 stop10h 22m

Islip Long Island

Sat 9/27

5:18 pm-11:44 pm

1 stop6h 26m

$152

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 10/3

6:05 am-4:27 pm

1 stop10h 22m

Islip Long Island

Mon 10/6

5:05 pm-12:57 am

1 stop7h 52m

$152

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Mon 9/29

7:26 pm-10:40 am

1 stop15h 14m

Islip Long Island

Fri 10/3

5:12 pm-11:29 pm

1 stop6h 17m

$157

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 10/2

5:20 am-10:55 am

1 stop5h 35m

Islip Long Island

Sun 10/5

5:12 pm-11:29 pm

1 stop6h 17m

$165

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 9/18

5:20 am-10:55 am

1 stop5h 35m

Islip Long Island

Fri 9/19

5:12 pm-11:29 pm

1 stop6h 17m

$165

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 9/18

5:20 am-10:55 am

1 stop5h 35m

Islip Long Island

Sun 9/21

5:12 pm-11:29 pm

1 stop6h 17m

$165

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 10/3

6:05 am-4:27 pm

1 stop10h 22m

Islip Long Island

Sun 10/5

5:12 pm-11:29 pm

1 stop6h 17m

$167

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Thu 10/23

10:37 am-8:42 pm

1 stop9h 05m

Islip Long Island

Tue 10/28

6:27 pm-9:37 am

1 stop16h 10m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

Showing 1-10 of 48 results
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Best time to book a flight from Kentucky to Islip

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

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

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

Related info for your journey

Find useful and relevant information for your journey from Kentucky 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 Kentucky?

    Islip Long Island (ISP) is the airport you will fly into if you book a flight from Kentucky to Islip. It is only a 7.2 mi journey from Long Island (ISP) to Islip’s city center.

  • How long is the flight from Kentucky to Islip?

    For as low as $150, Frontier can have you in Islip from Kentucky in 5h 35m. Airlines will cover a distance of 624 mi.

  • What are the most popular routes from Kentucky to Islip?

    The most popular route from Kentucky to Islip is Cincinnati Cinci./N. Kentucky - Islip Long Island. You may also consider Nashville Intl - Islip Long Island or Louisville Intl - Islip Long Island.

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

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

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Kentucky to Islip

Discover the top airline that operate flights from Kentucky 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$276Average$322FlexibilityNo cancel feeOn-time63%

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