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$255+ 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
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$424
(KLM)

One-way from

$255
(CheapOair)

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. 23% potential increase in price ($263 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 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 November 13, 2025.

This KLM deal was found by Cheapflights users on 11/11. 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.
Sun 11/233:09 pmSDF - DUB
2 stops12h 36mKLM
Tue 12/910:45 amDUB - SDF
2 stops15h 46mKLM
Deal found 11/11$424
This KLM deal was found by Cheapflights users on 11/11. 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.
Mon 12/13:40 pmLEX - DUB
1 stop11h 05mKLM
Wed 12/179:45 amDUB - LEX
1 stop14h 23mKLM
Deal found 11/11$425
This KLM deal was found by Cheapflights users on 11/13. 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.
Mon 11/172:27 pmCVG - DUB
2 stops13h 18mKLM
Wed 12/39:45 amDUB - CVG
1 stop19h 19mKLM
Deal found 11/13$425
This KLM deal was found by Cheapflights users on 11/12. 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.
Mon 11/1710:37 amSDF - DUB
1 stop16h 08mKLM
Wed 12/39:45 amDUB - SDF
1 stop12h 31mKLM
Deal found 11/12$433
This KLM deal was found by Cheapflights users on 11/11. 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.
Tue 12/97:00 amCVG - DUB
1 stop20h 45mKLM
Tue 12/169:45 amDUB - CVG
1 stop13h 24mKLM
Deal found 11/11$433
This oojo deal was found by Cheapflights users on 11/12. 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.
Fri 12/125:30 pmBNA - DUB
1 stop10h 45mIcelandair
Tue 12/1611:30 amDUB - BNA
1 stop13h 00mIcelandair
Deal found 11/12$450
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:10 amCVG - DUB
1 stop20h 35mDelta
Tue 12/166:00 amDUB - CVG
2 stops20h 27mDelta
Deal found 11/12$452
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 11/289:00 amSDF - DUB
1 stop18h 10mUnited Airlines
Wed 12/109:00 amDUB - SDF
2 stops37h 16mUnited Airlines
Deal found 11/11$455
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/47:00 amTYS - DUB
1 stop20h 10mUnited Airlines
Mon 12/89:00 amDUB - TYS
2 stops37h 11mUnited Airlines
Deal found 11/12$455
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/129:00 amCVG - DUB
1 stop18h 10mUnited Airlines
Mon 11/179:00 amDUB - CVG
2 stops33h 11mUnited Airlines
Deal found 11/11$455
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:12 pmLEX - DUB
2 stops17h 08mDelta
Wed 12/1711:30 amDUB - LEX
2 stops17h 38mDelta
Deal found 11/11$456
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:53 pmTYS - DUB
1 stop10h 52mDelta
Mon 11/248:50 amDUB - TYS
2 stops19h 51mDelta
Deal found 11/12$456

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 November 13, 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

Sun 11/23

8:35 am-7:45 am

1 stop18h 10m

Dublin

Tue 12/9

9:45 am-11:08 pm

1 stop18h 23m

$424

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Mon 12/1

3:40 pm-7:45 am

1 stop11h 05m

Dublin

Wed 12/17

10:45 am-9:52 am

2 stops28h 07m

$425

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Mon 12/1

3:40 pm-7:45 am

1 stop11h 05m

Dublin

Wed 12/17

9:45 am-7:08 pm

1 stop14h 23m

$425

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Mon 11/17

2:27 pm-8:45 am

2 stops13h 18m

Dublin

Wed 12/3

9:45 am-12:04 am

1 stop19h 19m

$425

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Tue 11/18

11:50 am-7:45 am

1 stop14h 55m

Dublin

Tue 11/25

9:45 am-6:13 pm

1 stop13h 28m

$433

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Tue 11/18

5:55 pm-9:20 am

1 stop10h 25m

Dublin

Fri 12/12

11:30 am-9:27 pm

1 stop14h 57m

$433

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Tue 2/10

11:45 am-8:45 am

1 stop16h 00m

Dublin

Wed 2/18

10:45 am-4:43 pm

1 stop10h 58m

$433

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Tue 12/9

7:00 am-8:45 am

1 stop20h 45m

Dublin

Tue 12/16

9:45 am-6:09 pm

1 stop13h 24m

$433

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Tue 12/9

6:05 am-7:45 am

2 stops20h 40m

Dublin

Tue 12/16

9:45 am-9:52 am

2 stops29h 07m

$438

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Tue 2/10

7:40 am-8:45 am

2 stops20h 05m

Dublin

Wed 2/18

10:45 am-11:58 pm

2 stops18h 13m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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, 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 November 13, 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 11h 05m. KLM provides one of the quickest options available for as low as $425. 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 $291 on JetBlue. Other airlines that offer cheap prices include WestJet from $312 and Lufthansa from $397 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 November 13, 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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