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$264+ 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 26 — Jan 21
Fri 12/26
Fri 1/2
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 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$395
(Ovago)

One-way from

$264
(CheapOair)

Popular in

June

Cheapest in

December

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. 26% potential increase in price ($294 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($46 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 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/24. 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 11/272:35 pmSDF - DUB
1 stop14h 45mLufthansa
Wed 12/105:10 amDUB - SDF
2 stops19h 17mLufthansa
Deal found 11/24$410
This Delta deal was found by Cheapflights users on 11/26. 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 12/86:00 amSDF - DUB
1 stop20h 45mDelta
Wed 12/249:45 amDUB - SDF
1 stop28h 44mDelta
Deal found 11/26$425
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 11/282:02 pmSDF - DUB
1 stop13h 08mLufthansa
Thu 12/1110:40 amDUB - SDF
1 stop11h 36mLufthansa
Deal found 11/24$430
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 12/41:38 pmSDF - DUB
1 stop12h 52mLufthansa
Tue 12/912:05 pmDUB - SDF
1 stop13h 37mLufthansa
Deal found 11/25$432
This lastminute.com deal was found by Cheapflights users on 11/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:00 amSDF - DUB
2 stops17h 10mAir Canada
Wed 12/109:00 amDUB - SDF
2 stops16h 28mAir Canada
Deal found 11/24$444
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 12/76:40 pmBNA - DUB
1 stop9h 40mLufthansa
Tue 12/161:35 pmDUB - BNA
1 stop11h 37mLufthansa
Deal found 11/25$451
This FlightHub deal was found by Cheapflights users on 11/26. 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 11/26$452
This lastminute.com deal was found by Cheapflights users on 11/25. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:57 pmSDF - DUB
2 stops32h 13mAir Canada
Wed 12/249:00 amDUB - SDF
2 stops33h 13mAir Canada
Deal found 11/25$453
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/32:05 pmSDF - DUB
1 stop15h 15mUnited Airlines
Mon 12/89:00 amDUB - SDF
2 stops32h 56mUnited Airlines
Deal found 11/25$455
This Expedia deal was found by Cheapflights users on 11/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:50 amTYS - DUB
1 stop16h 20mMultiple Airlines
Fri 12/59:00 amDUB - TYS
2 stops33h 17mMultiple Airlines
Deal found 11/23$455
This Finnair deal was found by Cheapflights users on 11/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amCVG - DUB
1 stop20h 10mMultiple Airlines
Thu 12/1111:30 amDUB - CVG
1 stop14h 08mMultiple Airlines
Deal found 11/26$458
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/47:25 pmTYS - DUB
2 stops31h 45mUnited Airlines
Mon 12/89:00 amDUB - TYS
2 stops33h 17mUnited Airlines
Deal found 11/24$460

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 26, 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

Tue 3/17

1:30 pm-2:20 pm

2 stops20h 50m

Dublin

Tue 3/24

8:40 pm-7:07 pm

2 stops26h 27m

$423

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 12/8

6:00 am-7:45 am

1 stop20h 45m

Dublin

Wed 12/24

9:45 am-9:29 am

1 stop28h 44m

$425

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

7:13 pm-1:35 pm

2 stops13h 22m

Dublin

Thu 2/19

11:30 am-9:52 pm

2 stops15h 22m

$428

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Wed 1/28

11:18 am-8:40 am

1 stop16h 22m

Dublin

Tue 2/3

8:50 am-6:55 pm

1 stop15h 05m

$430

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

10:18 am-7:45 am

1 stop16h 27m

Dublin

Wed 3/11

9:45 am-6:48 pm

1 stop13h 03m

$433

LexingtonShannon

LEX - SNN

LEXSNN

Lexington Blue Grass

Tue 3/3

4:41 pm-4:45 pm

2 stops19h 04m

Shannon

Wed 3/11

7:50 am-11:13 pm

2 stops19h 23m

$433

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/31

6:35 am-7:55 am

1 stop20h 20m

Dublin

Tue 4/14

10:00 am-10:56 pm

1 stop17h 56m

$437

BlountvilleDublin

TRI - DUB

TRIDUB

Blountville Tri Cities TN/VA

Tue 3/31

1:34 pm-8:45 am

1 stop14h 11m

Dublin

Tue 4/14

11:00 am-6:13 pm

1 stop12h 13m

$437

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 4/7

6:35 am-7:55 am

1 stop20h 20m

Dublin

Tue 4/21

11:00 am-11:46 pm

1 stop17h 46m

$437

BlountvilleDublin

TRI - DUB

TRIDUB

Blountville Tri Cities TN/VA

Tue 3/31

6:15 am-7:55 am

2 stops20h 40m

Dublin

Tue 4/14

1:15 pm-9:35 am

2 stops25h 20m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 50 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 November 26, 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 22m. British Airways provides one of the quickest options available for as low as $428. There are 3757 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 $264 on JetBlue. Other airlines that offer cheap prices include WestJet from $301 and American Airlines from $365 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

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 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$904FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$491Average$677FlexibilityNo cancel feeOn-time77%
DeltaCheapest$504Average$896FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$531Average$866FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$541Average$973FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$752Average$1,228FlexibilityNo cancel feeOn-timeN/A

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