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Ireland

$276+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheap 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 April 23, 2026.

This Ticket deal was found by Cheapflights users on 4/22. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm
CVG
-
DUB
1 stop10h 45m
Air Canada
Wed 10/149:20 am
DUB
-
CVG
1 stop11h 33m
Air Canada
Deal found 4/22$682
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 9/21:55 pm
CVG
-
DUB
1 stop12h 50m
United Airlines
Tue 9/89:20 am
DUB
-
CVG
2 stops33h 53m
United Airlines
Deal found 4/20$689
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 9/810:21 am
CVG
-
DUB
1 stop15h 59m
United Airlines
Tue 9/159:20 am
DUB
-
CVG
2 stops30h 45m
United Airlines
Deal found 4/20$690
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:50 pm
CVG
-
DUB
1 stop12h 30m
British Airways
Fri 11/68:50 am
DUB
-
CVG
1 stop15h 05m
British Airways
Deal found 4/22$694
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am
CVG
-
DUB
2 stops23h 20m
United Airlines
Wed 11/189:00 am
DUB
-
CVG
2 stops36h 58m
United Airlines
Deal found 4/22$695
This United Airlines deal was found by Cheapflights users on 4/18. 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.
Sun 9/67:00 am
CVG
-
DUB
1 stop21h 45m
United Airlines
Thu 9/109:50 am
DUB
-
CVG
1 stop32h 33m
United Airlines
Deal found 4/18$696
This Air Canada deal was found by Cheapflights users on 4/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:15 pm
CVG
-
DUB
2 stops37h 00m
Air Canada
Tue 9/159:20 am
DUB
-
CVG
2 stops33h 53m
Air Canada
Deal found 4/20$697
This oojo deal was found by Cheapflights users on 4/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:50 pm
CVG
-
DUB
1 stop15h 10m
British Airways
Thu 11/128:40 pm
DUB
-
CVG
1 stop27h 15m
British Airways
Deal found 4/20$698
This Justfly.com deal was found by Cheapflights users on 4/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:25 am
CVG
-
DUB
2 stops18h 45m
Air Canada
Fri 11/69:00 am
DUB
-
CVG
2 stops32h 53m
Air Canada
Deal found 4/20$699
This Gotogate deal was found by Cheapflights users on 4/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 pm
BNA
-
DUB
1 stop10h 45m
Icelandair
Tue 11/1711:30 am
DUB
-
BNA
1 stop13h 00m
Icelandair
Deal found 4/20$701
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:50 pm
BNA
-
DUB
2 stops31h 30m
Multiple Airlines
Tue 6/27:40 am
DUB
-
BNA
2 stops21h 09m
Multiple Airlines
Deal found 4/20$702
This Priceline deal was found by Cheapflights users on 4/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:55 pm
CVG
-
DUB
1 stop12h 50m
Air Canada
Tue 9/159:20 am
DUB
-
CVG
1 stop16h 10m
Air Canada
Deal found 4/20$702

Find flight deals from Kentucky to Ireland

Keep the following information in mind while searching for Kentucky to Ireland flight deals. Data was last updated April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$682
(Ticket)

One-way from

$276
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$665
Provider with most accurate pricing for Louisville Intl-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Dublin flights.
Search Deals
From Kentucky to Ireland
Search Deals
One-way flight from Kentucky to Ireland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 23, 2026.
Use the filters below to find and compare flights from Kentucky to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Tue 9/1

7:00 am-8:15 am

2 stops20h 15m

Dublin

Fri 9/11

9:20 am-4:54 pm

2 stops36h 34m

$731

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Tue 9/1

11:00 am-10:25 am

2 stops18h 25m

Dublin

Fri 9/11

10:00 am-5:10 pm

1 stop12h 10m

$759

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Tue 10/13

1:25 pm-5:00 pm

2 stops22h 35m

Dublin

Wed 10/21

12:40 pm-11:16 pm

1 stop15h 36m

$777
Quickest round-trip

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Tue 10/13

4:10 pm-6:30 am

1 stop9h 20m

Dublin

Wed 10/21

11:45 am-7:31 pm

1 stop12h 46m

$778

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 9/14

7:19 pm-10:40 am

1 stop10h 21m

Dublin

Thu 9/24

9:20 am-12:30 am

2 stops20h 10m

$789

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 9/28

7:07 am-8:45 am

1 stop20h 38m

Dublin

Thu 10/8

8:55 am-9:45 pm

2 stops17h 50m

$794

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 9/14

5:57 pm-8:45 am

1 stop9h 48m

Dublin

Thu 9/24

11:00 am-11:47 pm

1 stop17h 47m

$797

BlountvilleDublin

TRI - DUB

TRIDUB

Blountville Tri Cities TN/VA

Wed 10/7

10:15 am-8:45 am

1 stop17h 30m

Dublin

Wed 10/14

11:00 am-10:24 pm

1 stop16h 24m

$797

LexingtonShannon

LEX - SNN

LEXSNN

Lexington Blue Grass

Sat 8/22

6:00 pm-7:30 am

1 stop32h 30m

Shannon

Tue 8/25

9:30 am-4:54 pm

1 stop12h 24m

$800

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 9/1

6:30 am-8:15 am

2 stops20h 45m

Dublin

Sat 9/12

8:50 am-11:57 pm

1 stop20h 07m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Kentucky to Ireland?

The price you pay for your flight from Kentucky to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $411). Flying from Kentucky to Ireland in June is currently the most expensive (average of $689). 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 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 9h 48m. United Airlines provides one of the quickest options available for as low as $797. There are 3803 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 $294 on American Airlines. Other airlines that offer cheap prices include Aer Lingus from $426 and Delta from $452 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 $411). Flying from Kentucky to Ireland in June is currently the most expensive (average of $689). 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 5 airlines flying from Kentucky to Ireland

Discover the top 5 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$798FlexibilityNo cancel feeOn-time71%
KLMCheapest$483Average$635FlexibilityNo cancel feeOn-time75%
DeltaCheapest$504Average$859FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$911FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$797Average$1,126FlexibilityNo cancel feeOn-timeN/A

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