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Islip

$106+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ISP
Mar 2 — Mar 91
Mon 3/2
Mon 3/9
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 January 31, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/28:52 pm
BNA
-
ISP
2 stops34h 48m
Multiple Airlines
Mon 3/91:22 pm
ISP
-
BNA
1 stop22h 19m
Multiple Airlines
Deal found 1/31$192
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/159:25 am
BNA
-
ISP
1 stop21h 13m
Multiple Airlines
Thu 2/193:34 pm
ISP
-
BNA
1 stop17h 55m
Multiple Airlines
Deal found 1/30$199
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/261:07 pm
CVG
-
ISP
2 stops18h 31m
Frontier
Sat 2/2812:01 pm
ISP
-
CVG
1 stop9h 24m
Frontier
Deal found 1/31$227
This Frontier deal was found by Cheapflights users on 1/29. 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 2/266:05 am
CVG
-
ISP
1 stop10h 17m
Frontier
Mon 3/23:34 pm
ISP
-
CVG
1 stop9h 25m
Frontier
Deal found 1/29$242
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/276:15 am
BNA
-
ISP
1 stop7h 24m
Multiple Airlines
Fri 3/62:31 pm
ISP
-
BNA
2 stops26h 02m
Multiple Airlines
Deal found 1/30$256
This Frontier deal was found by Cheapflights users on 1/28. 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 2/148:15 am
CVG
-
ISP
1 stop11h 13m
Frontier
Fri 2/203:34 pm
ISP
-
CVG
1 stop9h 25m
Frontier
Deal found 1/28$266
This Frontier deal was found by Cheapflights users on 1/30. 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 2/1411:15 am
CVG
-
ISP
1 stop8h 13m
Frontier
Wed 2/182:03 pm
ISP
-
CVG
1 stop7h 22m
Frontier
Deal found 1/30$271
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/261:07 pm
CVG
-
ISP
2 stops18h 31m
Multiple Airlines
Sun 3/15:51 pm
ISP
-
CVG
1 stop19h 18m
Multiple Airlines
Deal found 1/31$300
This Southwest deal was found by Cheapflights users on 1/29. 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 5/158:05 am
TYS
-
ISP
1 stop3h 45m
Southwest
Mon 5/184:30 pm
ISP
-
TYS
1 stop4h 45m
Southwest
Deal found 1/29$318
This Southwest deal was found by Cheapflights users on 1/29. 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 5/175:50 am
CVG
-
ISP
1 stop6h 00m
Southwest
Tue 5/2612:30 pm
ISP
-
CVG
1 stop4h 35m
Southwest
Deal found 1/29$370
This Southwest deal was found by Cheapflights users on 1/29. 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 2/135:20 pm
CVG
-
ISP
1 stop6h 10m
Southwest
Tue 2/174:05 pm
ISP
-
CVG
1 stop7h 00m
Southwest
Deal found 1/29$375
This Southwest deal was found by Cheapflights users on 1/31. 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.
Mon 3/211:50 am
BNA
-
ISP
2 stops9h 30m
Southwest
Mon 3/92:00 pm
ISP
-
BNA
2 stops8h 20m
Southwest
Deal found 1/31$397

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 January 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$192
(Kiwi.com)

One-way from

$106
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$278
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 ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 31, 2026.
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

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 3/2

8:52 pm-8:40 am

2 stops34h 48m

Islip Long Island

Mon 3/9

1:22 pm-10:41 am

1 stop22h 19m

$192

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Sun 2/15

9:25 am-7:38 am

1 stop21h 13m

Islip Long Island

Thu 2/19

3:34 pm-8:29 am

1 stop17h 55m

$199

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 2/26

6:05 am-4:22 pm

1 stop10h 17m

Islip Long Island

Sat 2/28

12:01 pm-9:25 pm

1 stop9h 24m

$251

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Fri 2/27

6:15 am-2:39 pm

1 stop7h 24m

Islip Long Island

Fri 3/6

2:31 pm-3:33 pm

2 stops26h 02m

$256

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Sat 2/14

11:15 am-7:28 pm

1 stop8h 13m

Islip Long Island

Wed 2/18

2:03 pm-9:25 pm

1 stop7h 22m

$271

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Thu 2/26

1:07 pm-7:38 am

2 stops18h 31m

Islip Long Island

Sun 3/1

5:51 pm-1:09 pm

1 stop19h 18m

$300

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Sun 5/17

5:50 am-11:50 am

1 stop6h 00m

Islip Long Island

Tue 5/26

12:30 pm-5:05 pm

1 stop4h 35m

$370

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Fri 2/13

5:20 pm-11:30 pm

1 stop6h 10m

Islip Long Island

Tue 2/17

4:05 pm-11:05 pm

1 stop7h 00m

$375

NashvilleIslip

BNA - ISP

BNAISP

Nashville Intl

Mon 3/2

11:50 am-10:20 pm

2 stops9h 30m

Islip Long Island

Mon 3/9

2:00 pm-9:20 pm

2 stops8h 20m

$397

CincinnatiIslip

CVG - ISP

CVGISP

Cincinnati Cinci./N. Kentucky

Wed 6/17

5:35 am-1:45 pm

1 stop8h 10m

Islip Long Island

Sat 6/20

2:45 pm-11:45 pm

1 stop9h 00m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 33 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 April is currently the most expensive (average of $199). 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 4h 17m. The distance between Kentucky and Islip, New York is about 624 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 April is currently the most expensive (average of $199). 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 January 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$276Average$316FlexibilityNo cancel feeOn-time63%

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