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Islip

$82+ Cheap flights from Kentucky 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ISP
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This CheapOair deal was found by Cheapflights users on 12/14. 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 12/229:26 pmCVG - ISP
1 stop13h 59mFrontier
Mon 12/298:35 pmISP - CVG
1 stop14h 17mFrontier
Deal found 12/14$264
This CheapOair deal was found by Cheapflights users on 12/13. 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 12/1711:57 amCVG - ISP
1 stop12h 41mFrontier
Thu 12/1812:20 pmISP - CVG
1 stop22h 32mFrontier
Deal found 12/13$265
This CheapOair deal was found by Cheapflights users on 12/14. 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 12/195:10 amCVG - ISP
1 stop7h 32mFrontier
Tue 12/236:25 amISP - CVG
1 stop17h 43mFrontier
Deal found 12/14$343
This CheapOair deal was found by Cheapflights users on 12/14. 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 12/255:05 amCVG - ISP
1 stop6h 20mFrontier
Tue 1/612:55 pmISP - CVG
1 stop25h 44mFrontier
Deal found 12/14$363
This CheapOair deal was found by Cheapflights users on 12/13. 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 12/299:26 pmCVG - ISP
1 stop13h 59mFrontier
Fri 1/22:04 pmISP - CVG
1 stop20h 48mFrontier
Deal found 12/13$378
This CheapOair deal was found by Cheapflights users on 12/13. 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 12/235:05 amCVG - ISP
1 stop6h 20mFrontier
Mon 1/56:25 amISP - CVG
1 stop16h 24mFrontier
Deal found 12/13$393
This Frontier deal was found by Cheapflights users on 12/14. 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.
Mon 12/225:00 pmCVG - ISP
1 stop6h 59mFrontier
Wed 12/245:27 pmISP - CVG
1 stop7h 39mFrontier
Deal found 12/14$443
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/2812:31 pmTYS - ISP
2 stops35h 28mMultiple Airlines
Thu 1/112:20 pmISP - TYS
1 stop21h 55mMultiple Airlines
Deal found 12/13$450
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/215:55 pmCVG - ISP
2 stops41h 05mMultiple Airlines
Sun 12/282:04 pmISP - CVG
1 stop20h 48mMultiple Airlines
Deal found 12/14$474
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/295:45 amBNA - ISP
1 stop6h 24mMultiple Airlines
Fri 1/22:04 pmISP - BNA
1 stop10h 10mMultiple Airlines
Deal found 12/14$498
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/275:05 amCVG - ISP
1 stop12h 50mMultiple Airlines
Wed 12/318:21 pmISP - CVG
1 stop12h 38mMultiple Airlines
Deal found 12/13$513
This Southwest deal was found by Cheapflights users on 12/14. 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.
Fri 12/265:50 amBNA - ISP
1 stop5h 05mSouthwest
Sat 1/247:10 amISP - BNA
1 stop6h 30mSouthwest
Deal found 12/14$554

Find flight deals from Kentucky to Islip

Keep the following information in mind while searching for Kentucky to Islip flight deals. Data was last updated December 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$129
(CheapOair)

One-way from

$82
(CheapOair)

Popular in

December

Cheapest in

July

Average price

$383
Provider with most accurate pricing for Louisville Intl-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-New York (NYC) flights.
Search Deals
From Kentucky to Islip Long Island
Search Deals
One-way flight from Kentucky to Islip Long Island
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 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 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 December 15, 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

Mon 1/12

11:57 am-7:51 pm

1 stop7h 54m

Islip Long Island

Thu 1/15

1:42 pm-12:44 am

1 stop11h 02m

$162

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Sat 1/10

9:25 am-7:08 pm

1 stop8h 43m

Islip Long Island

Sat 1/17

8:00 am-4:55 pm

1 stop9h 55m

$163

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 1/23

7:00 am-8:47 pm

1 stop13h 47m

Islip Long Island

Mon 1/26

7:43 pm-10:20 pm

1 stop26h 37m

$198

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Sun 1/11

11:57 am-7:45 pm

1 stop7h 48m

Islip Long Island

Sat 1/17

8:00 am-3:03 pm

1 stop7h 03m

$216

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Sat 2/7

4:23 pm-8:40 am

1 stop16h 17m

Islip Long Island

Sun 2/8

11:55 am-11:29 pm

2 stops11h 34m

$232

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 1/9

9:05 pm-7:08 pm

1 stop22h 03m

Islip Long Island

Sun 1/11

8:40 pm-10:52 am

1 stop14h 12m

$233

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 1/23

10:30 am-8:47 pm

1 stop10h 17m

Islip Long Island

Fri 1/30

9:43 pm-3:03 pm

1 stop17h 20m

$283

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Sat 2/7

5:40 am-11:45 am

1 stop6h 05m

Islip Long Island

Sun 2/8

6:00 am-12:55 pm

1 stop6h 55m

$304

LouisvilleIslip

SDF - ISP

SDFISP

Louisville Intl

Sat 2/7

5:45 am-11:45 am

1 stop6h 00m

Islip Long Island

Sun 2/8

3:45 pm-10:45 pm

1 stop7h 00m

$304

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Thu 1/15

3:45 pm-10:20 pm

1 stop5h 35m

Islip Long Island

Sat 1/24

7:10 am-12:40 pm

1 stop6h 30m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 36 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, New York?

Currently, May is the cheapest month in which you can book a flight from Kentucky to Islip, New York (average of $71). Flying from Kentucky to Islip, New York in March is currently the most expensive (average of $197). 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, New York?

    Frontier and Southwest can get you from Kentucky to Islip, New York in just under 6h. Your travel time can differ by up to 1h 54m. The distance between Kentucky and Islip, New York is about 697 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular route from Kentucky to Islip, New York is Cincinnati Cinci./N. Kentucky - Islip Long Island. You may also consider Knoxville McGhee Tyson - Islip Long Island or Nashville 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, New York?

    Currently, May is the cheapest month in which you can book a flight from Kentucky to Islip, New York (average of $71). Flying from Kentucky to Islip, New York in March is currently the most expensive (average of $197). 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 Kentucky to Islip

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$276Average$322FlexibilityNo cancel feeOn-time63%

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