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Ireland

$208+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 February 9, 2026.

This United Airlines deal was found by Cheapflights users on 2/5. 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 2/2510:35 am
LEX
-
DUB
1 stop16h 35m
United Airlines
Sun 3/19:00 am
DUB
-
LEX
2 stops36h 48m
United Airlines
Deal found 2/5$458
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/99:55 am
SDF
-
DUB
1 stop20h 25m
United Airlines
Mon 3/168:00 am
DUB
-
SDF
2 stops33h 06m
United Airlines
Deal found 2/9$458
This United Airlines deal was found by Cheapflights users on 2/6. 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 3/47:25 pm
TYS
-
DUB
1 stop9h 55m
United Airlines
Mon 3/98:00 am
DUB
-
TYS
2 stops40h 47m
United Airlines
Deal found 2/6$458
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/182:10 pm
CVG
-
DUB
1 stop13h 00m
United Airlines
Mon 2/239:00 am
DUB
-
CVG
2 stops40h 18m
United Airlines
Deal found 2/8$458
This United Airlines deal was found by Cheapflights users on 2/7. 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 2/256:45 am
TYS
-
DUB
2 stops22h 35m
United Airlines
Sun 3/19:00 am
DUB
-
TYS
2 stops40h 37m
United Airlines
Deal found 2/7$462
This United Airlines deal was found by Cheapflights users on 2/6. 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 4/89:55 am
SDF
-
DUB
1 stop16h 25m
United Airlines
Wed 4/159:50 am
DUB
-
SDF
2 stops32h 27m
United Airlines
Deal found 2/6$464
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/311:52 pm
TYS
-
DUB
1 stop14h 53m
United Airlines
Tue 4/149:50 am
DUB
-
TYS
2 stops36h 02m
United Airlines
Deal found 2/8$464
This Air Canada deal was found by Cheapflights users on 2/6. 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 2/109:50 am
SDF
-
DUB
2 stops16h 20m
Air Canada
Mon 2/239:00 am
DUB
-
SDF
2 stops39h 56m
Air Canada
Deal found 2/6$466
This Air Canada deal was found by Cheapflights users on 2/9. 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 3/39:40 am
TYS
-
DUB
2 stops16h 30m
Air Canada
Mon 3/98:00 am
DUB
-
TYS
2 stops34h 50m
Air Canada
Deal found 2/9$466
This United Airlines deal was found by Cheapflights users on 2/7. 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 2/82:08 pm
CVG
-
DUB
2 stops12h 22m
United Airlines
Mon 2/239:00 am
DUB
-
CVG
1 stop14h 00m
United Airlines
Deal found 2/7$467
This Air Canada deal was found by Cheapflights users on 2/6. 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.
Wed 5/64:30 pm
CVG
-
DUB
1 stop10h 45m
Air Canada
Wed 5/139:20 am
DUB
-
CVG
2 stops32h 47m
Air Canada
Deal found 2/6$468
This United Airlines deal was found by Cheapflights users on 2/6. 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 4/2210:49 am
TYS
-
DUB
2 stops15h 31m
United Airlines
Fri 5/19:50 am
DUB
-
TYS
2 stops36h 21m
United Airlines
Deal found 2/6$469

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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(United Airlines)

One-way from

$208
(oojo)

Popular in

June

Cheapest in

December

Average price

$552
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. 22% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 9, 2026.
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

Wed 2/25

10:35 am-8:10 am

1 stop16h 35m

Dublin

Sun 3/1

9:00 am-4:48 pm

2 stops36h 48m

$458

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

5:35 am-8:10 am

1 stop21h 35m

Dublin

Wed 3/11

8:00 am-1:06 pm

2 stops33h 06m

$458

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

1:58 pm-8:10 am

1 stop14h 12m

Dublin

Mon 3/16

8:00 am-1:17 pm

2 stops33h 17m

$458

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 3/9

7:25 pm-10:20 am

1 stop10h 55m

Dublin

Mon 3/16

8:00 am-7:55 pm

2 stops39h 55m

$458

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 2/25

10:53 am-8:10 am

1 stop16h 17m

Dublin

Sun 3/1

9:00 am-8:37 pm

2 stops40h 37m

$458

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/3

1:50 pm-8:10 am

1 stop13h 20m

Dublin

Mon 3/9

8:00 am-2:50 pm

2 stops34h 50m

$458

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 3/1

6:45 am-8:10 am

1 stop20h 25m

Dublin

Mon 3/9

8:00 am-2:50 pm

2 stops34h 50m

$458

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Mon 3/9

4:25 pm-8:10 am

1 stop11h 45m

Dublin

Mon 3/16

8:00 am-4:15 pm

2 stops36h 15m

$458

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/31

5:48 pm-9:45 am

1 stop10h 57m

Dublin

Tue 4/14

9:50 am-1:17 pm

2 stops32h 27m

$464

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Tue 3/10

9:50 pm-7:40 pm

1 stop17h 50m

Dublin

Tue 3/17

8:50 am-7:55 pm

1 stop15h 05m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

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 $423). Flying from Kentucky to Ireland in June is currently the most expensive (average of $827). 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 13h 58m. United Airlines provides one of the quickest options available for as low as $480. 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 $294 on American Airlines. Other airlines that offer cheap prices include United Airlines from $412 and Aer Lingus 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 $423). Flying from Kentucky to Ireland in June is currently the most expensive (average of $827). 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

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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 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$828FlexibilityNo cancel feeOn-time71%
KLMCheapest$483Average$636FlexibilityNo cancel feeOn-time75%
DeltaCheapest$504Average$882FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$931FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$826Average$1,146FlexibilityNo cancel feeOn-timeN/A

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