HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kentucky

$75+ Cheap flights from Islip (ISP) to Kentucky

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SDF
sep. 10 — sep. 171
mié. 9/10
mié. 9/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Kentucky with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Islip to Kentucky

Keep the following information in mind while searching for Islip to Kentucky flight deals. Data was last updated septiembre 5, 2025.

Round-trip from

$150
(Cheapflightsfares)

One-way from

$75
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$352
From Islip Long Island to Kentucky
Search Deals
One-way flight from Islip Long Island to Kentucky
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Islip to Kentucky

Cheapest flights from Islip to Kentucky
Explore the most affordable flight options available from Islip to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 5, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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.
jue. 9/115:12 pmISP - CVG
1 stop6h 17mFrontier
jue. 9/185:20 amCVG - ISP
1 stop5h 35mFrontier
Deal found 9/4$150
This Frontier deal was found by Cheapflights users on 9/4. 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.
jue. 9/115:12 pmISP - CVG
1 stop6h 17mFrontier
dom. 9/146:05 amCVG - ISP
1 stop10h 22mFrontier
Deal found 9/4$152
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2811:25 amISP - BNA
1 stop24h 28mMultiple Airlines
mié. 10/17:43 pmBNA - ISP
1 stop14h 12mMultiple Airlines
Deal found 9/3$180
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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.
jue. 10/25:12 pmISP - CVG
1 stop6h 17mFrontier
mar. 10/73:10 pmCVG - ISP
1 stop5h 32mFrontier
Deal found 9/4$185
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/239:37 pmISP - BNA
1 stop22h 33mMultiple Airlines
mar. 10/288:05 pmBNA - ISP
1 stop13h 32mMultiple Airlines
Deal found 9/3$188
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.
mié. 10/111:35 amISP - CVG
1 stop9h 42mFrontier
vie. 10/36:05 amCVG - ISP
1 stop10h 22mFrontier
Deal found 9/3$188
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/35:05 pmISP - CVG
1 stop20h 32mFrontier
dom. 10/56:00 amCVG - ISP
2 stops28h 40mFrontier
Deal found 9/3$205
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1811:40 amISP - CVG
1 stop13h 17mFrontier
mié. 9/243:32 pmCVG - ISP
1 stop19h 23mFrontier
Deal found 9/3$216
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
sáb. 10/2512:38 pmISP - CVG
1 stop11h 21mFrontier
dom. 10/262:05 pmCVG - ISP
1 stop6h 47mFrontier
Deal found 9/4$223
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/265:05 pmISP - BNA
1 stop7h 18mMultiple Airlines
dom. 9/286:56 pmBNA - ISP
1 stop14h 44mMultiple Airlines
Deal found 9/3$239
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/65:05 pmISP - BNA
1 stop25h 56mFrontier
lun. 9/87:07 pmBNA - ISP
1 stop14h 33mFrontier
Deal found 9/3$240
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
dom. 9/1411:25 amISP - BNA
1 stop24h 28mMultiple Airlines
mié. 9/175:05 amBNA - ISP
1 stop28h 50mMultiple Airlines
Deal found 9/4$253

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Kentucky 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 septiembre 5, 2025.
Use the filters below to find and compare flights from Islip to Kentucky that are best for you.

Fly from

Islip

Fly to

Kentucky

Route

Depart

Return

Price

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

vie. 10/3

5:12 pm-11:29 pm

1 stop6h 17m

Cincinnati Cinci./N. Kentucky

mar. 10/7

3:10 pm-8:42 pm

1 stop5h 32m

$150

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

lun. 9/15

5:05 pm-12:57 am

1 stop7h 52m

Cincinnati Cinci./N. Kentucky

dom. 9/21

6:05 am-4:27 pm

1 stop10h 22m

$152

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

dom. 9/28

11:25 am-10:53 am

1 stop24h 28m

Nashville Intl

mié. 10/1

7:43 pm-10:55 am

1 stop14h 12m

$180

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

jue. 10/2

5:12 pm-11:29 pm

1 stop6h 17m

Cincinnati Cinci./N. Kentucky

mar. 10/7

3:10 pm-8:42 pm

1 stop5h 32m

$185

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

jue. 10/23

9:37 pm-7:10 pm

1 stop22h 33m

Nashville Intl

mar. 10/28

8:05 pm-10:37 am

1 stop13h 32m

$188

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

mié. 10/1

11:35 am-9:17 pm

1 stop9h 42m

Cincinnati Cinci./N. Kentucky

vie. 10/3

6:05 am-4:27 pm

1 stop10h 22m

$188

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

vie. 10/3

5:05 pm-1:37 pm

1 stop20h 32m

Cincinnati Cinci./N. Kentucky

dom. 10/5

6:00 am-10:40 am

2 stops28h 40m

$205

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

jue. 9/18

11:40 am-12:57 am

1 stop13h 17m

Cincinnati Cinci./N. Kentucky

mié. 9/24

3:32 pm-10:55 am

1 stop19h 23m

$216

IslipCincinnati

ISP - CVG

ISPCVG

Islip Long Island

sáb. 10/25

12:38 pm-11:59 pm

1 stop11h 21m

Cincinnati Cinci./N. Kentucky

dom. 10/26

2:05 pm-8:52 pm

1 stop6h 47m

$223

IslipNashville

ISP - BNA

ISPBNA

Islip Long Island

vie. 9/26

5:05 pm-11:23 pm

1 stop7h 18m

Nashville Intl

dom. 9/28

6:56 pm-10:40 am

1 stop14h 44m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 43 results
1
2
3
...
5

Best time to book a flight from Islip to Kentucky

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

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

Currently, January is the cheapest month in which you can book a flight from Islip to Kentucky (average of $299). Flying from Islip to Kentucky in April is currently the most expensive (average of $369). 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 Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated septiembre 5, 2025.
See what other customers who have flown with Southwest from Islip to Kentucky have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

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 Kentucky. 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 from for flights from Islip to Kentucky?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Kentucky.

  • How long is the flight from Islip to Kentucky?

    There are many flights that can get you from Islip to Kentucky in 6h 17m. Fly via Frontier to get the fastest option. Airlines will cover a distance of 624 mi.

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Islip to Kentucky (average of $299). Flying from Islip to Kentucky in April is currently the most expensive (average of $369). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Las Vegas flights
LaGuardia to O'Hare Intl flights
Newark to Fort Lauderdale flights
Newark to Los Angeles flights
LaGuardia to Fort Lauderdale flights
Newark to Miami flights
Newark to O'Hare Intl flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
John F Kennedy Intl to Orlando flights
Newark to San Francisco flights
John F Kennedy Intl to Denver flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to Atlanta flights
Newark to Orlando flights
John F Kennedy Intl to West Palm Beach flights
John F Kennedy Intl to Ontario flights
LaGuardia to Las Vegas flights
LaGuardia to Orlando flights
John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to Atlanta flights
Newark to Hobby flights
Newark to Sky Harbor Intl flights
Newark to Tampa flights
LaGuardia to New Orleans flights
John F Kennedy Intl to New Orleans flights
John F Kennedy Intl to Nashville flights
LaGuardia to Denver flights
John F Kennedy Intl to Midway flights
LaGuardia to Hobby flights
John F Kennedy Intl to Hobby flights
John F Kennedy Intl to Tampa flights
Newark to Atlanta flights
Newark to Denver flights
John F Kennedy Intl to San Diego flights
Newark to Midway flights
John F Kennedy Intl to Austin flights
Newark to George Bush Intcntl flights
John F Kennedy Intl to Charlotte flights
Newark to New Orleans flights
LaGuardia to San Francisco flights
Newark to West Palm Beach flights

Top airline flying from Islip to Kentucky

Discover the top airline that operate flights from Islip to Kentucky. 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 septiembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$296Average$386FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.