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Ireland

$399+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Louisville to Ireland

Keep the following information in mind while searching for Louisville to Ireland flight deals. Data was last updated August 1, 2025.

Round-trip from

$537
(United Airlines)

One-way from

$399
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,050
From Louisville Intl to Ireland
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One-way flight from Louisville Intl to Ireland
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Highest demand for flights based on searches. 22% potential increase in price ($241 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 1, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/1212:30 pmSDF - DUB
1 stop13h 40mUnited Airlines
Tue 8/1911:35 amDUB - SDF
1 stop12h 23mUnited Airlines
Deal found 7/29$537
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:59 pmSDF - DUB
1 stop11h 46mKLM
Sun 12/79:45 amDUB - SDF
1 stop14h 16mKLM
Deal found 7/30$582
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 12/312:40 pmSDF - DUB
1 stop14h 05mDelta
Sun 12/79:45 amDUB - SDF
1 stop14h 16mDelta
Deal found 7/28$583
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Sat 9/63:11 pmSDF - DUB
2 stops39h 39mScandinavian Airlines
Wed 9/1712:40 pmDUB - SDF
2 stops39h 06mScandinavian Airlines
Deal found 7/31$598
This Air Canada deal was found by Cheapflights users on 7/30. 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 8/197:00 amSDF - DUB
2 stops20h 15mAir Canada
Tue 9/29:20 amDUB - SDF
2 stops32h 57mAir Canada
Deal found 7/30$613
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:50 pmSDF - DUB
1 stop11h 50mIberia
Wed 8/201:45 pmDUB - SDF
1 stop14h 17mIberia
Deal found 7/30$622
This Delta deal was found by Cheapflights users on 7/30. 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.
Fri 8/157:14 pmSDF - ORK
2 stops15h 01mDelta
Tue 8/196:25 amORK - SDF
2 stops19h 49mDelta
Deal found 7/30$639
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 8/122:45 pmSDF - DUB
1 stop15h 55mAmerican Airlines
Tue 8/1912:40 pmDUB - SDF
1 stop15h 10mAmerican Airlines
Deal found 7/31$640
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/192:45 pmSDF - DUB
2 stops19h 00mBritish Airways
Tue 9/210:25 amDUB - SDF
2 stops17h 37mBritish Airways
Deal found 7/31$649
This KLM deal was found by Cheapflights users on 7/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:25 pmSDF - DUB
1 stop13h 20mMultiple Airlines
Wed 8/2712:00 pmDUB - SDF
2 stops14h 14mMultiple Airlines
Deal found 7/29$696
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 10/95:02 pmSDF - ORK
2 stops17h 13mAmerican Airlines
Thu 10/167:20 amORK - SDF
2 stops20h 43mAmerican Airlines
Deal found 7/31$703
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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.
Wed 8/202:20 pmSDF - DUB
2 stops21h 35mLufthansa
Wed 8/275:55 amDUB - SDF
2 stops21h 29mLufthansa
Deal found 7/30$704

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 August 1, 2025.
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

Tue 8/12

12:30 pm-7:10 am

1 stop13h 40m

Dublin

Tue 8/19

11:35 am-6:58 pm

1 stop12h 23m

$537

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 9/6

3:11 pm-11:50 am

2 stops39h 39m

Dublin

Wed 9/17

12:40 pm-10:46 pm

2 stops39h 06m

$598

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/19

7:00 am-8:15 am

2 stops20h 15m

Dublin

Tue 9/2

9:20 am-1:17 pm

2 stops32h 57m

$613

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 8/4

6:50 pm-11:40 am

1 stop11h 50m

Dublin

Wed 8/20

1:45 pm-11:02 pm

1 stop14h 17m

$622

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Fri 8/15

7:14 pm-3:15 pm

2 stops15h 01m

Cork

Tue 8/19

6:25 am-9:14 pm

2 stops19h 49m

$639

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/12

2:45 pm-11:40 am

1 stop15h 55m

Dublin

Tue 8/19

12:40 pm-10:50 pm

1 stop15h 10m

$640

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/19

2:45 pm-2:45 pm

2 stops19h 00m

Dublin

Tue 9/2

10:25 am-11:02 pm

2 stops17h 37m

$649

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 8/15

6:00 am-7:55 am

1 stop20h 55m

Dublin

Mon 8/25

6:00 am-9:14 pm

2 stops20h 14m

$655

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/19

12:40 pm-7:55 am

1 stop14h 15m

Dublin

Tue 9/2

10:00 am-6:16 pm

1 stop13h 16m

$691

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/20

4:25 pm-10:45 am

1 stop13h 20m

Dublin

Wed 8/27

12:00 pm-9:14 pm

2 stops14h 14m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 21 results
1
2
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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, November is the cheapest month in which you can book a flight from Louisville to Ireland (average of $509). Flying from Louisville to Ireland in June is currently the most expensive (average of $924). 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 SDF to IE?

Find hourly flight availability from Louisville 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 August 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Ireland as you normally would.

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 August 1, 2025.
See what other customers who have flown with Delta, KLM, and Finnair 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
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.4
Good
1,457 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $450. American Airlines flights start at $463 while deals on Aer Lingus start at $473 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, November is the cheapest month in which you can book a flight from Louisville to Ireland (average of $509). Flying from Louisville to Ireland in June is currently the most expensive (average of $924). 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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Top 5 airlines flying from Louisville to Ireland

Discover the top 5 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$495Average$818FlexibilityNo cancel feeOn-time71%
KLMCheapest$523Average$837FlexibilityNo cancel feeOn-time75%
DeltaCheapest$536Average$865FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$562Average$999FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$662Average$679FlexibilityNo cancel feeOn-time77%

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