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Ireland

$332+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
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 March 19, 2026.

This United Airlines deal was found by Cheapflights users on 3/15. 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 11/92:20 pm
SDF
-
DUB
1 stop15h 00m
United Airlines
Fri 11/139:00 am
DUB
-
SDF
2 stops20h 05m
United Airlines
Deal found 3/15$642
This Booking.com deal was found by Cheapflights users on 3/15. 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.
Tue 4/148:47 am
SDF
-
DUB
2 stops18h 28m
Air Canada
Tue 4/219:50 am
DUB
-
SDF
2 stops15h 26m
Air Canada
Deal found 3/15$655
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/145:48 pm
SDF
-
DUB
1 stop10h 57m
United Airlines
Tue 4/219:50 am
DUB
-
SDF
2 stops15h 26m
United Airlines
Deal found 3/15$656
This FlightHub deal was found by Cheapflights users on 3/15. 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.
Tue 4/147:20 am
SDF
-
DUB
2 stops19h 55m
Multiple Airlines
Tue 4/218:50 am
DUB
-
SDF
2 stops19h 22m
Multiple Airlines
Deal found 3/15$663
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/292:20 pm
SDF
-
DUB
1 stop12h 10m
United Airlines
Wed 5/68:50 am
DUB
-
SDF
2 stops14h 45m
United Airlines
Deal found 3/15$664
This FlightHub deal was found by Cheapflights users on 3/15. 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.
Tue 10/1311:13 am
SDF
-
DUB
2 stops16h 02m
Air Canada
Tue 10/209:50 am
DUB
-
SDF
2 stops35h 59m
Air Canada
Deal found 3/15$678
This Booking.com deal was found by Cheapflights users on 3/15. 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.
Sat 8/226:00 pm
SDF
-
DUB
2 stops32h 45m
Air Canada
Sat 8/299:50 am
DUB
-
SDF
2 stops14h 29m
Air Canada
Deal found 3/15$686
This BusinessClass deal was found by Cheapflights users on 3/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:24 pm
SDF
-
ORK
2 stops18h 16m
Scandinavian Airlines
Thu 10/153:25 pm
ORK
-
SDF
2 stops32h 22m
Scandinavian Airlines
Deal found 3/18$867
This British Airways deal was found by Cheapflights users on 3/15. 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 12/28:06 pm
SDF
-
ORK
2 stops22h 19m
British Airways
Sun 12/67:40 am
ORK
-
SDF
2 stops20h 16m
British Airways
Deal found 3/15$899
This British Airways deal was found by Cheapflights users on 3/16. 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 6/303:22 pm
SDF
-
ORK
2 stops14h 23m
British Airways
Tue 7/78:30 pm
ORK
-
SDF
2 stops30h 38m
British Airways
Deal found 3/16$1,228
This Air Canada deal was found by Cheapflights users on 3/16. 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 6/302:05 pm
SDF
-
ORK
3 stops20h 05m
Air Canada
Tue 7/77:10 am
ORK
-
SDF
3 stops20h 30m
Air Canada
Deal found 3/16$1,309
This Air Canada deal was found by Cheapflights users on 3/18. 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 10/711:00 am
SDF
-
ORK
3 stops18h 45m
Air Canada
Thu 10/1511:25 am
ORK
-
SDF
3 stops27h 20m
Air Canada
Deal found 3/18$1,746

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$655
(Booking.com)

One-way from

$332
(FlightHub)

Popular in

June

Cheapest in

December

Average price

$839
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. 22% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 19, 2026.
Use the filters below to find and compare flights from Louisville to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 8/22

11:13 am-7:20 am

2 stops15h 07m

Dublin

Sat 8/29

9:20 am-6:56 pm

2 stops14h 36m

$741

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 8/14

1:48 pm-7:20 am

1 stop12h 32m

Dublin

Sun 8/23

9:20 am-10:22 pm

2 stops18h 02m

$746

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 5/13

7:01 pm-5:15 pm

2 stops17h 14m

Dublin

Fri 5/22

9:30 am-10:19 pm

1 stop17h 49m

$799

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 7/20

5:55 pm-8:15 am

2 stops33h 20m

Dublin

Mon 8/3

8:50 am-10:23 am

1 stop30h 33m

$820

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 5/14

5:50 am-7:20 am

1 stop20h 30m

Dublin

Tue 6/2

9:50 am-2:37 pm

2 stops33h 47m

$832
Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 5/8

2:30 pm-7:20 am

1 stop11h 50m

Dublin

Sat 5/16

9:20 am-6:36 pm

2 stops14h 16m

$833

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Tue 6/30

3:22 pm-10:45 am

2 stops14h 23m

Cork

Tue 7/7

8:30 pm-10:08 pm

2 stops30h 38m

$1,228

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Tue 6/30

2:05 pm-3:10 pm

3 stops20h 05m

Cork

Tue 7/7

7:10 am-10:40 pm

3 stops20h 30m

$1,309
Cheapest one-way

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 9/11

1:44 pm-5:50 pm

2 stops23h 06m

$332
Quickest one-way

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 9/11

1:48 pm-7:20 am

1 stop12h 32m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 18 resultsSorted by cheapest first
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 $425). 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 March 19, 2026.
See what other customers who have flown with Delta,KLM, andUnited 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
8,300 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

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
8,300 reviews
Delta
7.9
Good
8,300 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

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
7.8
Good
1,472 reviews
Delta
7.9
Good
8,300 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

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
9,443 reviews
Delta
7.9
Good
8,300 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

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.
Aer Lingus
7.2
Good
1,478 reviews
Delta
7.9
Good
8,300 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

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
7.1
Good
11,476 reviews
Delta
7.9
Good
8,300 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.9

Crew

8.5

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 $1,228, United Airlines can have you in Ireland from Louisville in 14h 23m. Louisville and Ireland are separated by a distance of 3702 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 $426 while deals on Delta start at $452 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 $425). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Louisville to Ireland

Discover the top 6 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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$484Average$636FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$485Average$743FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$491Average$677FlexibilityNo cancel feeOn-time77%
DeltaCheapest$504Average$819FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$532Average$977FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$797Average$1,371FlexibilityNo cancel feeOn-timeN/A

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