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Ireland

$249+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
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 December 21, 2025.

This United Airlines deal was found by Cheapflights users on 12/19. 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.
Sat 12/2710:50 amSDF - DUB
1 stop16h 20mUnited Airlines
Mon 1/129:30 amDUB - SDF
1 stop18h 53mUnited Airlines
Deal found 12/19$474
This Booking.com deal was found by Cheapflights users on 12/19. 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.
Sat 12/272:00 pmSDF - DUB
2 stops22h 10mLufthansa
Mon 1/125:10 amDUB - SDF
2 stops23h 13mLufthansa
Deal found 12/19$721
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Thu 12/251:57 pmLEX - DUB
2 stops14h 58mUnited Airlines
Wed 12/3110:40 amDUB - LEX
1 stop15h 24mUnited Airlines
Deal found 12/20$878
This United Airlines deal was found by Cheapflights users on 12/20. 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 12/245:48 pmLEX - DUB
2 stops35h 07mUnited Airlines
Wed 12/3110:40 amDUB - LEX
1 stop11h 25mUnited Airlines
Deal found 12/20$883
This Ovago deal was found by Cheapflights users on 12/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:50 pmBNA - DUB
Nonstop8h 00mMultiple Airlines
Sun 1/114:40 pmDUB - BNA
1 stop23h 33mMultiple Airlines
Deal found 12/19$991
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:44 pmCVG - DUB
1 stop15h 16mAmerican Airlines
Wed 12/3111:30 amDUB - CVG
1 stop11h 25mAmerican Airlines
Deal found 12/20$1,014
This Ovago deal was found by Cheapflights users on 12/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amLEX - DUB
1 stop21h 10mBrussels Airlines
Wed 12/3110:40 amDUB - LEX
1 stop15h 24mBrussels Airlines
Deal found 12/20$1,031
This Air Canada deal was found by Cheapflights users on 12/19. 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.
Sat 12/279:05 amSDF - DUB
3 stops17h 05mMultiple Airlines
Mon 1/129:00 amDUB - SDF
2 stops15h 31mMultiple Airlines
Deal found 12/19$1,035
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Fri 12/266:00 amLEX - DUB
1 stop21h 10mUnited Airlines
Wed 12/3110:40 amDUB - LEX
1 stop11h 25mUnited Airlines
Deal found 12/20$1,076
This Ovago deal was found by Cheapflights users on 12/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amLEX - DUB
1 stop19h 10mBritish Airways
Thu 1/110:30 amDUB - LEX
2 stops16h 31mBritish Airways
Deal found 12/20$1,107
This Delta deal was found by Cheapflights users on 12/19. 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.
Fri 12/266:00 amCVG - DUB
2 stops21h 05mDelta
Wed 12/315:55 amDUB - CVG
2 stops19h 17mDelta
Deal found 12/19$1,137
This oojo deal was found by Cheapflights users on 12/19. 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.
Mon 12/225:08 pmTYS - DUB
1 stop31h 02mMultiple Airlines
Mon 1/58:40 pmDUB - TYS
2 stops29h 16mMultiple Airlines
Deal found 12/19$1,197

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 December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$412
(Kiwi.com)

One-way from

$249
(Iberia)

Popular in

June

Cheapest in

December

Average price

$483
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. 27% potential increase in price ($315 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 21, 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

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Fri 1/9

2:08 pm-8:10 am

1 stop13h 02m

Dublin

Mon 1/12

10:40 am-8:46 pm

1 stop15h 06m

$436

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Wed 1/14

2:00 pm-8:10 am

1 stop13h 10m

Dublin

Wed 1/21

9:00 am-4:48 pm

2 stops36h 48m

$452

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Wed 1/14

8:35 am-8:10 am

1 stop18h 35m

Dublin

Wed 1/21

9:00 am-8:31 pm

2 stops40h 31m

$456

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Sat 1/10

2:00 pm-8:10 am

1 stop13h 10m

Dublin

Sat 1/17

9:00 am-8:31 pm

2 stops40h 31m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 1/26

2:05 pm-8:10 am

1 stop13h 05m

Dublin

Mon 2/2

9:00 am-12:59 pm

2 stops32h 59m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 1/8

8:29 am-8:10 am

1 stop18h 41m

Dublin

Sat 1/31

9:00 am-12:59 pm

2 stops32h 59m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 1/5

9:05 am-8:10 am

1 stop18h 05m

Dublin

Sat 1/31

9:00 am-12:59 pm

2 stops32h 59m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 1/7

5:35 am-8:10 am

1 stop21h 35m

Dublin

Mon 2/2

9:00 am-12:59 pm

2 stops32h 59m

$456

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-8:14 pm

2 stops40h 14m

$456

CincinnatiShannon

CVG - SNN

CVGSNN

Cincinnati Cinci./N. Kentucky

Tue 2/3

8:50 pm-4:45 pm

1 stop14h 55m

Shannon

Tue 2/10

7:50 am-6:55 pm

1 stop16h 05m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 52 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 $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 December 21, 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 02m. Lufthansa provides one of the quickest options available for as low as $436. There are 3674 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 $386 on Aer Lingus. Other airlines that offer cheap prices include American Airlines from $403 and United Airlines from $412 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 $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

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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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$881FlexibilityNo cancel feeOn-time71%
KLMCheapest$483Average$863FlexibilityNo cancel feeOn-time75%
DeltaCheapest$504Average$871FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$536Average$975FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$826Average$1,146FlexibilityNo cancel feeOn-timeN/A

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