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$250+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
May 11 — May 181
Mon 5/11
Mon 5/18
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 April 11, 2026.

This Expedia deal was found by Cheapflights users on 4/6. 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.
Fri 5/18:45 am
BNA
-
DUB
1 stop18h 15m
JetBlue
Fri 5/810:40 am
DUB
-
BNA
1 stop16h 57m
JetBlue
Deal found 4/6$679
This Cheapflightsfares deal was found by Cheapflights users on 4/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:25 pm
BNA
-
DUB
1 stop13h 55m
British Airways
Wed 12/98:50 am
DUB
-
BNA
1 stop13h 25m
British Airways
Deal found 4/8$682
This Air Canada deal was found by Cheapflights users on 4/6. 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.
Fri 10/308:15 am
BNA
-
DUB
1 stop16h 55m
Air Canada
Mon 11/99:00 am
DUB
-
BNA
2 stops40h 31m
Air Canada
Deal found 4/6$683
This Booking.com deal was found by Cheapflights users on 4/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:50 pm
BNA
-
DUB
Nonstop8h 00m
Aer Lingus
Sun 11/82:00 pm
DUB
-
BNA
Nonstop9h 20m
Aer Lingus
Deal found 4/9$684
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:25 pm
BNA
-
DUB
1 stop14h 40m
British Airways
Sat 11/214:05 pm
DUB
-
BNA
1 stop30h 10m
British Airways
Deal found 4/8$685
This Expedia deal was found by Cheapflights users on 4/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:49 am
BNA
-
DUB
1 stop18h 11m
JetBlue
Tue 5/1211:30 am
DUB
-
BNA
1 stop26h 29m
JetBlue
Deal found 4/11$688
This British Airways deal was found by Cheapflights users on 4/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:25 pm
BNA
-
DUB
1 stop19h 15m
British Airways
Fri 11/138:35 pm
DUB
-
BNA
1 stop25h 40m
British Airways
Deal found 4/6$690
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Tue 9/12:54 pm
CVG
-
DUB
1 stop14h 46m
United Airlines
Tue 9/159:20 am
DUB
-
CVG
2 stops30h 45m
United Airlines
Deal found 4/10$690
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am
CVG
-
DUB
1 stop20h 45m
Air Canada
Tue 9/159:20 am
DUB
-
CVG
2 stops33h 53m
Air Canada
Deal found 4/6$694
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:55 pm
BNA
-
DUB
2 stops30h 25m
Multiple Airlines
Sun 5/1010:40 am
DUB
-
BNA
1 stop13h 20m
Multiple Airlines
Deal found 4/8$695
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:50 pm
BNA
-
DUB
1 stop33h 10m
Multiple Airlines
Tue 6/910:40 am
DUB
-
BNA
1 stop31h 30m
Multiple Airlines
Deal found 4/8$696
This Cheapflightsfares deal was found by Cheapflights users on 4/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:20 pm
CVG
-
DUB
1 stop12h 10m
British Airways
Wed 9/1612:50 pm
DUB
-
CVG
1 stop11h 45m
British Airways
Deal found 4/7$697

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 April 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$679
(Expedia)

One-way from

$250
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$665
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. 23% potential increase in price ($219 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 11, 2026.
Use the filters below to find and compare flights from Kentucky to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Tue 9/1

11:05 am-10:40 am

2 stops18h 35m

Dublin

Fri 9/11

9:20 am-4:54 pm

2 stops36h 34m

$727

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Tue 4/21

10:05 am-7:20 am

1 stop16h 15m

Dublin

Fri 5/8

9:20 am-3:53 pm

1 stop11h 33m

$746

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Mon 9/14

1:30 pm-9:15 am

2 stops14h 45m

Dublin

Fri 9/18

5:55 am-5:10 pm

2 stops16h 15m

$751

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 8/26

2:30 pm-10:25 am

2 stops14h 55m

Dublin

Wed 9/2

5:55 am-5:27 pm

2 stops16h 32m

$785

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/14

6:00 pm-9:45 am

1 stop10h 45m

Dublin

Fri 9/18

9:20 am-10:14 am

2 stops29h 54m

$796

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Wed 5/6

6:09 pm-9:45 am

1 stop10h 36m

Dublin

Wed 5/13

9:20 am-11:57 pm

2 stops19h 37m

$796

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/14

3:24 pm-9:15 am

2 stops12h 51m

Dublin

Fri 9/18

5:55 am-3:44 pm

2 stops14h 49m

$801

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Wed 8/5

10:12 am-9:45 am

1 stop18h 33m

Dublin

Wed 8/26

9:20 am-4:54 pm

2 stops36h 34m

$820

LexingtonDublin

LEX - DUB

LEXDUB

Lexington Blue Grass

Tue 7/21

7:44 pm-7:45 am

2 stops31h 01m

Dublin

Tue 8/4

9:20 am-8:28 pm

2 stops40h 08m

$823

CincinnatiDublin

CVG - DUB

CVGDUB

Cincinnati Cinci./N. Kentucky

Wed 7/8

1:55 pm-7:45 am

1 stop12h 50m

Dublin

Wed 7/22

9:20 am-8:32 am

2 stops28h 12m

$834

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $425). Flying from Kentucky to Dublin in June is currently the most expensive (average of $821). 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.

How much does it cost to fly round-trip from Kentucky to Dublin?

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 11h 42m. United Airlines provides one of the quickest options available for as low as $817. Kentucky and Dublin are separated by a distance of 3834 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), Aer Lingus ($426), and Delta ($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 Knoxville McGhee Tyson - 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 $425). Flying from Kentucky to Dublin in June is currently the most expensive (average of $821). 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$829FlexibilityNo cancel feeOn-time71%
KLMCheapest$483Average$635FlexibilityNo cancel feeOn-time75%
DeltaCheapest$504Average$886FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$847FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$797Average$1,206FlexibilityNo cancel feeOn-timeN/A

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