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Ireland

$266+ Cheap flights from Louisville (SDF) 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Louisville to Ireland

Cheapest flights from Louisville to Ireland
Explore the most affordable flight options available from Louisville to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/29. 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 1/296:12 pm
SDF
-
DUB
1 stop32h 58m
United Airlines
Wed 2/49:00 am
DUB
-
SDF
2 stops33h 05m
United Airlines
Deal found 1/29$458
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 3/19:00 am
SDF
-
DUB
2 stops20h 20m
United Airlines
Wed 3/118:00 am
DUB
-
SDF
2 stops36h 46m
United Airlines
Deal found 1/27$462
This oojo deal was found by Cheapflights users on 1/27. 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 3/97:57 pm
SDF
-
DUB
2 stops19h 43m
British Airways
Mon 3/168:40 pm
DUB
-
SDF
2 stops28h 46m
British Airways
Deal found 1/27$468
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 2/97:13 pm
SDF
-
DUB
2 stops13h 22m
American Airlines
Thu 2/1911:30 am
DUB
-
SDF
1 stop14h 43m
American Airlines
Deal found 1/27$476
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 1/287:14 pm
SDF
-
DUB
2 stops16h 46m
American Airlines
Tue 2/311:30 am
DUB
-
SDF
2 stops15h 35m
American Airlines
Deal found 1/28$480
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/41:50 pm
SDF
-
DUB
1 stop12h 40m
United Airlines
Sun 2/89:00 am
DUB
-
SDF
2 stops15h 43m
United Airlines
Deal found 1/28$481
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/91:50 pm
SDF
-
DUB
1 stop12h 40m
United Airlines
Thu 2/1910:40 am
DUB
-
SDF
1 stop11h 39m
United Airlines
Deal found 1/27$485
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/13:33 pm
SDF
-
DUB
2 stops12h 07m
American Airlines
Mon 2/911:30 am
DUB
-
SDF
1 stop14h 46m
American Airlines
Deal found 1/26$489
This Delta deal was found by Cheapflights users on 1/28. 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 2/95:47 pm
SDF
-
DUB
2 stops17h 33m
Delta
Mon 2/165:55 am
DUB
-
SDF
2 stops22h 10m
Delta
Deal found 1/28$493
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 9/74:00 pm
SDF
-
ORK
2 stops18h 10m
American Airlines
Tue 9/157:10 am
ORK
-
SDF
2 stops20h 48m
American Airlines
Deal found 1/27$528
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:11 pm
SDF
-
ORK
2 stops15h 59m
British Airways
Tue 9/158:30 pm
ORK
-
SDF
2 stops26h 03m
British Airways
Deal found 1/28$680
This British Airways deal was found by Cheapflights users on 1/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:07 pm
SDF
-
ORK
2 stops22h 18m
British Airways
Sun 3/17:40 am
ORK
-
SDF
2 stops21h 47m
British Airways
Deal found 1/26$688

Find flight deals from Louisville to Ireland

Keep the following information in mind while searching for Louisville to Ireland flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(United Airlines)

One-way from

$266
(Iberia)

Popular in

June

Cheapest in

December

Average price

$679
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 Louisville Intl to Ireland
Search Deals
One-way flight from Louisville Intl to Ireland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 January 29, 2026.
Use the filters below to find and compare flights from Louisville to Ireland that are best for you.

Fly from

Louisville

Fly to

Ireland

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

9:00 am-8:10 am

1 stop18h 10m

Dublin

Wed 3/11

8:00 am-4:46 pm

2 stops36h 46m

$458

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-9:13 pm

1 stop14h 43m

$476

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 2/27

5:35 am-7:10 am

2 stops20h 35m

Dublin

Fri 3/6

5:10 am-11:59 pm

2 stops23h 49m

$480

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

3:49 pm-8:40 am

1 stop11h 51m

Dublin

Wed 3/11

11:30 am-9:12 pm

1 stop13h 42m

$485

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

1:50 pm-7:30 am

1 stop12h 40m

Dublin

Thu 2/19

10:40 am-5:19 pm

1 stop11h 39m

$485

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

12:33 pm-9:20 am

1 stop15h 47m

Dublin

Wed 3/11

9:45 am-11:09 pm

1 stop17h 24m

$485

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 2/27

1:47 pm-7:30 am

1 stop12h 43m

Dublin

Fri 3/6

12:05 pm-7:42 pm

1 stop12h 37m

$485

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

3:49 pm-8:40 am

1 stop12h 51m

Dublin

Mon 3/16

11:30 am-12:27 am

2 stops16h 57m

$489

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Wed 2/25

12:07 pm-3:25 pm

2 stops22h 18m

Cork

Sun 3/1

7:40 am-12:27 am

2 stops21h 47m

$688

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Fri 3/13

1:30 pm-11:10 am

2 stops17h 40m

Cork

Fri 3/20

7:40 am-9:12 pm

2 stops17h 32m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 results
1
2

Best time to book a flight from Louisville to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Louisville 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 Louisville to Ireland

What is the cheapest month to book a flight from Louisville to Ireland?

Currently, December is the cheapest month in which you can book a flight from Louisville to Ireland (average of $423). Flying from Louisville to Ireland in June is currently the most expensive (average of $790). 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.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated January 29, 2026.
See what other customers who have flown with Delta, KLM, and United Airlines from Louisville to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,443 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Ireland. 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 from for flights from Louisville to Ireland?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Ireland.

  • How long is the flight from Louisville to Ireland?

    For as low as $476, United Airlines can have you in Ireland from Louisville in 13h 22m. Louisville and Ireland are separated by a distance of 3757 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Louisville to Ireland one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $294. Aer Lingus flights start at $386 while deals on United Airlines start at $412 one-way.

  • Can I find deals for flights from Louisville to Ireland that include hotel bookings?

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

  • How can I find direct flights from Louisville to Ireland?

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

  • Can I find deals for business class flights from Louisville to Ireland?

    Yes. Cheapflights offers flight deals from Louisville 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 Louisville to Ireland?

    Currently, December is the cheapest month in which you can book a flight from Louisville to Ireland (average of $423). Flying from Louisville to Ireland in June is currently the most expensive (average of $790). 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 Louisville to Ireland

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Top 4 airlines flying from Louisville to Ireland

Discover the top 4 airlines that operate flights from Louisville 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$483Average$636FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$485Average$832FlexibilityNo cancel feeOn-time71%
DeltaCheapest$504Average$794FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$533Average$995FlexibilityNo cancel feeOn-time69%

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