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$242+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
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 octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$433
(Delta)

One-way from

$242
(CheapOair)

Popular in

June

Cheapest in

November

Average price

$856
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. 23% potential increase in price ($261 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 23, 2025.

This KLM deal was found by Cheapflights users on 10/22. 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.
mar. 12/211:59 amCVG - DUB
1 stop14h 46mMultiple Airlines
vie. 12/1211:30 amDUB - CVG
1 stop14h 57mMultiple Airlines
Deal found 10/22$434
This KLM deal was found by Cheapflights users on 10/21. 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.
mar. 11/182:27 pmCVG - DUB
2 stops13h 18mMultiple Airlines
mar. 11/256:00 amDUB - CVG
1 stop14h 15mMultiple Airlines
Deal found 10/21$447
This United Airlines deal was found by Cheapflights users on 10/21. 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. 11/199:00 amSDF - DUB
1 stop18h 10mUnited Airlines
mié. 11/269:00 amDUB - SDF
2 stops36h 27mUnited Airlines
Deal found 10/21$455
This FlightHub deal was found by Cheapflights users on 10/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/55:30 pmBNA - DUB
1 stop10h 45mIcelandair
mar. 12/911:30 amDUB - BNA
1 stop13h 00mIcelandair
Deal found 10/23$455
This United Airlines deal was found by Cheapflights users on 10/20. 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. 11/192:09 pmCVG - DUB
1 stop13h 01mUnited Airlines
mié. 11/269:00 amDUB - CVG
2 stops33h 12mUnited Airlines
Deal found 10/20$455
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mar. 11/256:00 amCVG - DUB
2 stops21h 10mUnited Airlines
vie. 12/129:00 amDUB - CVG
2 stops40h 45mUnited Airlines
Deal found 10/21$460
This United Airlines deal was found by Cheapflights users on 10/20. 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.
dom. 12/287:00 amCVG - DUB
2 stops19h 10mUnited Airlines
vie. 1/99:00 amDUB - CVG
2 stops33h 21mUnited Airlines
Deal found 10/20$462
This Air France deal was found by Cheapflights users on 10/20. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/156:53 pmCVG - DUB
1 stop31h 52mAir France
lun. 11/244:45 pmDUB - CVG
1 stop27h 30mAir France
Deal found 10/20$466
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/188:50 pmCVG - DUB
1 stop15h 55mAmerican Airlines
mar. 11/257:35 amDUB - CVG
1 stop16h 20mAmerican Airlines
Deal found 10/21$468
This Booking.com deal was found by Cheapflights users on 10/21. 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.
mar. 12/29:00 amCVG - DUB
2 stops17h 10mMultiple Airlines
mar. 12/165:00 amDUB - CVG
2 stops23h 29mMultiple Airlines
Deal found 10/21$475
This Booking.com deal was found by Cheapflights users on 10/22. 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.
mié. 11/51:52 pmTYS - DUB
2 stops22h 18mMultiple Airlines
mié. 11/129:00 amDUB - TYS
2 stops19h 59mMultiple Airlines
Deal found 10/22$476
This Icelandair deal was found by Cheapflights users on 10/21. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/15:30 pmBNA - DUB
1 stop10h 45mIcelandair
mar. 12/911:30 amDUB - BNA
1 stop13h 00mIcelandair
Deal found 10/21$477

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 octubre 23, 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

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

mar. 3/3

10:05 am-7:45 am

1 stop16h 40m

Dublin

mar. 3/10

9:45 am-6:55 pm

1 stop13h 10m

$433

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

mié. 3/4

1:30 pm-7:45 am

1 stop13h 15m

Dublin

mar. 3/10

9:45 am-6:55 pm

1 stop13h 10m

$433

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

mar. 12/2

11:59 am-7:45 am

1 stop14h 46m

Dublin

vie. 12/12

11:30 am-9:27 pm

1 stop14h 57m

$434

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

mar. 12/2

11:59 am-7:45 am

1 stop14h 46m

Dublin

mar. 12/16

10:45 am-9:02 pm

1 stop15h 17m

$434

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

dom. 3/1

12:40 pm-7:45 am

1 stop14h 05m

Dublin

mar. 3/10

9:45 am-7:02 pm

1 stop13h 17m

$434

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mié. 2/25

12:40 pm-7:45 am

1 stop14h 05m

Dublin

mar. 3/10

9:45 am-11:56 pm

1 stop18h 11m

$434

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mar. 2/24

5:45 pm-7:45 am

1 stop33h 00m

Dublin

jue. 3/5

9:45 am-4:52 pm

1 stop12h 07m

$434

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

mar. 11/18

11:50 am-7:45 am

1 stop14h 55m

Dublin

mar. 11/25

9:45 am-11:29 pm

1 stop18h 44m

$434

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

lun. 2/9

12:40 pm-8:45 am

2 stops15h 05m

Dublin

jue. 2/19

10:45 am-9:45 pm

2 stops16h 00m

$438

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

lun. 2/23

2:59 pm-9:20 am

2 stops13h 21m

Dublin

mar. 3/10

9:45 am-7:02 pm

1 stop13h 17m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 60 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, December is the cheapest month in which you can book a flight from Kentucky to Ireland (average of $498). Flying from Kentucky to Ireland in June is currently the most expensive (average of $888). 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 octubre 23, 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 evening 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 15m. Delta provides one of the quickest options available for as low as $455. There are 3720 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 $242 on JetBlue. Other airlines that offer cheap prices include Lufthansa from $397 and United Airlines from $399 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, December is the cheapest month in which you can book a flight from Kentucky to Ireland (average of $498). Flying from Kentucky to Ireland in June is currently the most expensive (average of $888). 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 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 octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$491Average$679FlexibilityNo cancel feeOn-time77%
KLMCheapest$535Average$875FlexibilityNo cancel feeOn-time75%
DeltaCheapest$536Average$896FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$536Average$913FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$552Average$970FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$752Average$1,228FlexibilityNo cancel feeOn-timeN/A

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