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$241+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:05 pmCVG - DUB
1 stop13h 05mLufthansa
Sun 12/1412:05 pmDUB - CVG
1 stop11h 48mLufthansa
Deal found 12/2$428
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:05 pmCVG - DUB
1 stop13h 05mLufthansa
Sun 12/1412:05 pmDUB - CVG
1 stop11h 48mLufthansa
Deal found 12/3$433
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:45 pmCVG - DUB
1 stop9h 35mLufthansa
Sat 12/131:35 pmDUB - CVG
1 stop12h 05mLufthansa
Deal found 12/4$435
This Gotogate deal was found by Cheapflights users on 12/3. 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.
Fri 12/56:40 pmCVG - DUB
1 stop31h 30mMultiple Airlines
Sat 12/139:00 amDUB - CVG
1 stop14h 00mMultiple Airlines
Deal found 12/3$451
This FlightHub deal was found by Cheapflights users on 12/3. 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.
Thu 12/47:25 pmTYS - DUB
1 stop9h 55mMultiple Airlines
Mon 12/89:00 amDUB - TYS
2 stops33h 17mMultiple Airlines
Deal found 12/3$452
This Cheapflightsfares deal was found by Cheapflights users on 12/1. 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.
Fri 12/122:57 pmCVG - DUB
1 stop14h 23mLufthansa
Wed 12/179:30 amDUB - CVG
1 stop16h 36mLufthansa
Deal found 12/1$454
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/127:45 pmCVG - DUB
1 stop9h 35mUnited Airlines
Wed 12/179:30 amDUB - CVG
2 stops16h 15mUnited Airlines
Deal found 12/1$458
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/42:30 pmTYS - DUB
2 stops14h 25mUnited Airlines
Mon 12/89:00 amDUB - TYS
2 stops37h 11mUnited Airlines
Deal found 12/3$460
This FlightHub deal was found by Cheapflights users on 12/2. 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.
Thu 12/41:38 pmSDF - DUB
1 stop12h 52mLufthansa
Tue 12/99:10 amDUB - SDF
2 stops19h 22mLufthansa
Deal found 12/2$468
This Mytrip deal was found by Cheapflights users on 12/4. 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.
Fri 12/55:49 pmCVG - DUB
2 stops32h 21mAir Canada
Sat 12/139:00 amDUB - CVG
1 stop14h 00mAir Canada
Deal found 12/4$470
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/512:30 pmCVG - DUB
2 stops14h 00mUnited Airlines
Sat 12/139:00 amDUB - CVG
1 stop14h 00mUnited Airlines
Deal found 12/4$473
This FlightHub deal was found by Cheapflights users on 12/3. 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.
Thu 12/47:25 pmTYS - DUB
1 stop9h 55mLufthansa
Mon 12/810:40 amDUB - TYS
1 stop15h 24mLufthansa
Deal found 12/3$480

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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$395
(Ovago)

One-way from

$241
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$531
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. 26% potential increase in price ($290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 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 4, 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

Mon 1/26

1:32 pm-12:35 pm

2 stops18h 03m

Dublin

Mon 2/2

8:40 pm-6:39 pm

2 stops26h 59m

$409

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Wed 1/14

11:15 am-7:30 am

2 stops15h 15m

Dublin

Wed 1/21

9:00 am-3:30 pm

2 stops35h 30m

$410

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

1:30 pm-9:50 am

2 stops16h 20m

Dublin

Mon 3/16

5:55 pm-9:25 pm

2 stops31h 30m

$416

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/10

4:02 pm-2:20 pm

2 stops18h 18m

Dublin

Tue 3/24

10:55 am-10:38 pm

2 stops15h 43m

$416

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Wed 1/28

7:21 pm-2:05 pm

2 stops13h 44m

Dublin

Tue 2/3

8:40 pm-8:16 pm

2 stops28h 36m

$418

NashvilleShannon

BNA - SNN

BNASNN

Nashville Intl

Wed 5/6

8:45 pm-8:35 pm

1 stop17h 50m

Shannon

Mon 5/11

9:15 pm-6:30 pm

1 stop27h 15m

$419

CincinnatiShannon

CVG - SNN

CVGSNN

Cincinnati Cinci./N. Kentucky

Sun 3/1

2:22 pm-11:30 am

2 stops16h 08m

Shannon

Wed 3/11

7:50 am-7:55 pm

1 stop16h 05m

$423

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Sun 1/11

6:51 pm-7:30 am

1 stop31h 39m

Dublin

Tue 1/27

9:30 am-8:46 pm

2 stops16h 16m

$425

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/29

2:15 pm-9:45 am

1 stop14h 30m

Dublin

Wed 5/6

1:45 pm-11:47 pm

1 stop15h 02m

$427

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Sun 1/18

4:00 pm-7:30 am

1 stop10h 30m

Dublin

Sun 1/25

9:30 am-9:30 pm

1 stop17h 00m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 51 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 $432). Flying from Kentucky to Ireland in June is currently the most expensive (average of $890). 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 4, 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 15h 15m. British Airways provides one of the quickest options available for as low as $410. 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 $432). Flying from Kentucky to Ireland in June is currently the most expensive (average of $890). 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$903FlexibilityNo cancel feeOn-time71%
KLMCheapest$483Average$866FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$491Average$677FlexibilityNo cancel feeOn-time77%
DeltaCheapest$504Average$871FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$541Average$974FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$752Average$1,259FlexibilityNo cancel feeOn-timeN/A

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