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$215+ Cheap flights from Kentucky to Dublin (DUB)

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 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Kentucky to Dublin

Cheapest flights from Kentucky to Dublin
Explore the most affordable flight options available from Kentucky to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. 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 2/207:00 am
LEX
-
DUB
1 stop20h 10m
United Airlines
Mon 2/239:00 am
DUB
-
LEX
2 stops43h 49m
United Airlines
Deal found 2/10$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 2/7. 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 2/2510:53 am
TYS
-
DUB
1 stop16h 17m
United Airlines
Sun 3/19:00 am
DUB
-
TYS
2 stops40h 37m
United Airlines
Deal found 2/7$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 2/10. 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 2/119:15 am
SDF
-
DUB
2 stops17h 15m
United Airlines
Wed 2/189:00 am
DUB
-
SDF
2 stops34h 47m
United Airlines
Deal found 2/10$462
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 4/207:00 am
TYS
-
DUB
1 stop21h 45m
United Airlines
Tue 4/289:50 am
DUB
-
TYS
2 stops36h 02m
United Airlines
Deal found 2/9$464
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Wed 2/257:25 pm
TYS
-
DUB
2 stops30h 45m
Air Canada
Sun 3/19:00 am
DUB
-
TYS
2 stops39h 29m
Air Canada
Deal found 2/10$466
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Fri 2/208:35 am
CVG
-
DUB
2 stops17h 35m
Air Canada
Mon 2/239:00 am
DUB
-
CVG
2 stops33h 17m
Air Canada
Deal found 2/10$466
This Air Canada deal was found by Cheapflights users on 2/10. 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 2/10$468
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.
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 2/9$469
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:40 am
TYS
-
DUB
2 stops17h 35m
Air Canada
Tue 4/149:50 am
DUB
-
TYS
2 stops42h 13m
Air Canada
Deal found 2/8$472
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 2/234:32 pm
CVG
-
DUB
2 stops36h 48m
United Airlines
Mon 3/29:00 am
DUB
-
CVG
2 stops33h 17m
United Airlines
Deal found 2/9$473

Find flight deals from Kentucky to Dublin

Keep the following information in mind while searching for Kentucky to Dublin flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(United Airlines)

One-way from

$215
(American Airlines)

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 Dublin
Search Deals
One-way flight from Kentucky to Dublin
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 Dublin 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 11, 2026.
Use the filters below to find and compare flights from Kentucky to Dublin that are best for you.

Fly from

Kentucky

Fly to

Dublin

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

9:55 am-10:20 am

1 stop20h 25m

Dublin

Mon 3/16

8:00 am-1:06 pm

2 stops33h 06m

$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

Thu 2/26

6:40 pm-7:10 am

1 stop31h 30m

Dublin

Mon 3/2

9:00 am-3:28 pm

2 stops35h 28m

$462

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 2/25

6:45 am-10:20 am

2 stops22h 35m

Dublin

Sun 3/1

9:00 am-8:37 pm

2 stops40h 37m

$462

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/22

7:20 pm-10:40 am

1 stop10h 20m

Dublin

Fri 5/1

9:50 am-5:11 pm

2 stops36h 21m

$464

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 5/5

9:40 am-7:20 am

1 stop16h 40m

Dublin

Tue 5/12

9:50 am-8:45 pm

2 stops39h 55m

$464

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/29

9:40 am-7:20 am

1 stop16h 40m

Dublin

Thu 5/7

9:50 am-8:45 pm

2 stops39h 55m

$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

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Wed 5/6

2:15 pm-8:15 am

2 stops13h 00m

Dublin

Wed 5/13

9:20 am-1:07 pm

2 stops32h 47m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 56 results
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Best time to book a flight from Kentucky to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

What is the cheapest month to book a flight from Kentucky to Dublin?

Currently, December is the cheapest month in which you can book a flight from Kentucky to Dublin (average of $423). Flying from Kentucky to Dublin 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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Kentucky?

    Most people fly into Dublin (DUB) if they book a flight to Dublin from Kentucky. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

  • How long is the flight from Kentucky to Dublin?

    A quick flight from Kentucky to Dublin can take about 17h 50m. United Airlines provides one of the quickest options available for as low as $471. Kentucky and Dublin are separated by a distance of 3674 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Kentucky to Dublin one-way?

    The cheapest airlines for a one-way flight from Kentucky to Dublin are American Airlines ($294), United Airlines ($412), and Aer Lingus ($452).

  • What are the most popular routes from Kentucky to Dublin?

    The most popular flight routes from Kentucky to Dublin are Nashville Intl - Dublin, Cincinnati Cinci./N. Kentucky - Dublin and Louisville Intl - Dublin.

  • Can I find deals for flights from Kentucky to Dublin that include hotel bookings?

    Yes. In addition to deals on Kentucky to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Dublin.

  • Can I find deals for business class flights from Kentucky to Dublin?

    Yes. Cheapflights offers flight deals from Kentucky to Dublin 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 Dublin?

    Currently, December is the cheapest month in which you can book a flight from Kentucky to Dublin (average of $423). Flying from Kentucky to Dublin 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Leixlip

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Alternative routes for Kentucky to Dublin

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 Dublin

Discover the top 5 airlines that operate flights from Kentucky to Dublin. 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$852FlexibilityNo cancel feeOn-time71%
KLMCheapest$483Average$636FlexibilityNo cancel feeOn-time75%
DeltaCheapest$504Average$882FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$888FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$826Average$1,146FlexibilityNo cancel feeOn-timeN/A

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