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$230+ Cheap flights from Kentucky to Ireland

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
dic. 18 — dic. 251
jue. 12/18
jue. 12/25
1 adult, Economy
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Cheap flight deals from Kentucky to Ireland

Keep the following information in mind while searching for Kentucky to Ireland flight deals. Data was last updated noviembre 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$408
(Kiwi.com)

One-way from

$230
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$533
Provider with most accurate pricing for Louisville Intl-Dublin flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Dublin flights.
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From Kentucky to Ireland
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One-way flight from Kentucky to Ireland
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Highest demand for flights based on searches. 24% potential increase in price ($272 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Kentucky to Ireland

Cheapest flights from Kentucky to Ireland
Explore the most affordable flight options available from Kentucky to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 18, 2025.

This Mytrip deal was found by Cheapflights users on 11/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:40 pmCVG - DUB
1 stop31h 30mAir Canada
mié. 12/39:00 amDUB - CVG
1 stop14h 00mAir Canada
Deal found 11/16$395
This Booking.com deal was found by Cheapflights users on 11/17. 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.
lun. 11/246:40 pmCVG - DUB
1 stop31h 30mAir Canada
mié. 12/109:00 amDUB - CVG
1 stop14h 00mAir Canada
Deal found 11/17$396
This Kiwi.com deal was found by Cheapflights users on 11/16. 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. 12/42:05 pmCVG - DUB
1 stop13h 05mLufthansa
mié. 12/1012:05 pmDUB - CVG
1 stop11h 48mLufthansa
Deal found 11/16$408
This United Airlines deal was found by Cheapflights users on 11/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1712:30 pmCVG - DUB
2 stops14h 00mUnited Airlines
mié. 12/39:00 amDUB - CVG
1 stop14h 00mUnited Airlines
Deal found 11/16$414
This Air Canada deal was found by Cheapflights users on 11/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/246:40 pmCVG - DUB
1 stop31h 30mAir Canada
vie. 12/59:00 amDUB - CVG
1 stop14h 00mAir Canada
Deal found 11/17$420
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/242:27 pmCVG - DUB
2 stops13h 18mKLM
mié. 12/109:45 amDUB - CVG
1 stop19h 19mKLM
Deal found 11/17$425
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
mié. 12/31:38 pmSDF - DUB
1 stop12h 52mLufthansa
lun. 12/810:40 amDUB - SDF
1 stop11h 36mLufthansa
Deal found 11/16$429
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/232:45 pmCVG - DUB
1 stop13h 35mKLM
mié. 12/39:45 amDUB - CVG
1 stop19h 19mKLM
Deal found 11/17$433
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/242:27 pmCVG - DUB
2 stops13h 18mMultiple Airlines
mié. 12/311:30 amDUB - CVG
1 stop14h 57mMultiple Airlines
Deal found 11/17$438
This KAYAK deal was found by Cheapflights users on 11/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/226:20 pmCVG - DUB
1 stop32h 10mLufthansa
jue. 12/41:35 pmDUB - CVG
1 stop12h 31mLufthansa
Deal found 11/17$439
This United Airlines deal was found by Cheapflights users on 11/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/42:57 pmCVG - DUB
1 stop14h 23mUnited Airlines
mié. 12/109:00 amDUB - CVG
1 stop14h 00mUnited Airlines
Deal found 11/16$443
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/39:55 amSDF - DUB
1 stop19h 25mUnited Airlines
lun. 12/89:00 amDUB - SDF
2 stops32h 56mUnited Airlines
Deal found 11/17$455

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Ireland 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 noviembre 18, 2025.
Use the filters below to find and compare flights from Kentucky to Ireland that are best for you.

Fly from

Kentucky

Fly to

Ireland

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mié. 1/7

2:05 pm-8:10 am

1 stop13h 05m

Dublin

jue. 1/15

5:00 am-7:31 pm

2 stops19h 31m

$412

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mié. 12/3

1:38 pm-7:30 am

1 stop12h 52m

Dublin

lun. 12/8

10:40 am-5:16 pm

1 stop11h 36m

$429

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mié. 12/3

2:05 pm-10:20 am

1 stop15h 15m

Dublin

lun. 12/8

9:00 am-12:56 pm

2 stops32h 56m

$455

BlountvilleDublin

TRI - DUB

TRIDUB

Blountville Tri Cities TN/VA

mié. 12/3

12:52 pm-7:45 am

1 stop13h 53m

Dublin

dom. 12/7

5:55 am-10:34 pm

2 stops21h 39m

$457

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

lun. 2/9

7:51 pm-3:45 pm

2 stops14h 54m

Dublin

jue. 2/19

10:45 am-8:25 pm

2 stops14h 40m

$458

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mié. 12/3

3:18 pm-7:45 am

1 stop11h 27m

Dublin

lun. 12/8

9:45 am-8:52 pm

1 stop16h 07m

$458

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

jue. 12/4

7:45 pm-10:20 am

1 stop9h 35m

Dublin

mar. 12/9

9:30 am-8:45 pm

2 stops16h 15m

$458

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

jue. 12/4

11:59 am-7:45 am

1 stop14h 46m

Dublin

mar. 12/9

9:45 am-11:33 pm

1 stop18h 48m

$458

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

vie. 1/23

11:20 am-7:30 am

1 stop15h 10m

Dublin

mar. 1/27

9:30 am-6:16 pm

1 stop13h 46m

$458

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

vie. 12/5

3:57 pm-7:45 am

1 stop10h 48m

Dublin

vie. 12/12

11:30 am-11:28 pm

2 stops16h 58m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 53 results
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Best time to book a flight from Kentucky to Ireland

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

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

Currently, November is the cheapest month in which you can book a flight from Kentucky to Ireland (average of $483). Flying from Kentucky to Ireland in June is currently the most expensive (average of $887). 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 KY to IE?

Find hourly flight availability from Kentucky to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 18, 2025.

One of the essential ways to save on airfare from Kentucky to Ireland is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.

What is the cheapest day to fly from Kentucky to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Kentucky to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kentucky to Ireland flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Ireland. 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 Kentucky to Ireland?

    A quick flight from Kentucky to Ireland can take about 13h 05m. Lufthansa provides one of the quickest options available for as low as $412. There are 3757 mi between Kentucky and Ireland. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kentucky to Ireland one-way?

    One-way options have recently been found by users for as low as $340 on Icelandair. Other airlines that offer cheap prices include JetBlue from $359 and British Airways from $383 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Kentucky to Ireland (average of $483). Flying from Kentucky to Ireland in June is currently the most expensive (average of $887). 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

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Alternative routes for Kentucky to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Kentucky to Ireland

Discover the top 6 airlines that operate flights from Kentucky to Ireland. 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 noviembre 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$485Average$907FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$491Average$679FlexibilityNo cancel feeOn-time77%
DeltaCheapest$504Average$881FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$531Average$866FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$541Average$970FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$752Average$1,228FlexibilityNo cancel feeOn-timeN/A

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