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Ireland

$320+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$582

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,311
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. 20% potential increase in price ($222 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 June 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 June 12, 2025.

This deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:10 pmSDF - DUB
1 stop12h 50mUnited Airlines
Sun 11/2311:50 amDUB - SDF
1 stop12h 37mUnited Airlines
Deal found 6/12$582
This Justfly.com deal was found by Cheapflights users on 6/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:40 pmSDF - DUB
2 stops42h 10mScandinavian Airlines
Tue 10/712:40 pmDUB - SDF
2 stops40h 16mScandinavian Airlines
Deal found 6/11$597
This FlightHub deal was found by Cheapflights users on 6/12. 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 8/191:59 pmSDF - DUB
2 stops36h 46mAir Canada
Tue 9/29:20 amDUB - SDF
2 stops39h 53mAir Canada
Deal found 6/12$612
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:56 pmSDF - DUB
1 stop14h 04mDelta
Mon 8/2510:00 amDUB - SDF
1 stop17h 42mDelta
Deal found 6/10$636
This American Airlines deal was found by Cheapflights users on 6/12. 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 10/94:42 pmSDF - ORK
2 stops13h 03mAmerican Airlines
Thu 10/167:20 amORK - SDF
2 stops18h 32mAmerican Airlines
Deal found 6/12$704
This Air France deal was found by Cheapflights users on 6/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:30 pmSDF - DUB
1 stop13h 15mMultiple Airlines
Tue 10/71:15 pmDUB - SDF
2 stops14h 15mMultiple Airlines
Deal found 6/11$750
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/17:14 pmSDF - DUB
1 stop9h 46mKLM
Sat 8/911:00 amDUB - SDF
1 stop13h 07mKLM
Deal found 6/9$751
This Ovago deal was found by Cheapflights users on 6/12. 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 7/296:50 pmSDF - DUB
2 stops14h 55mBritish Airways
Fri 8/810:55 amDUB - SDF
2 stops17h 07mBritish Airways
Deal found 6/12$770
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/201:10 pmSDF - DUB
1 stop14h 15mAmerican Airlines
Wed 8/2711:45 amDUB - SDF
1 stop15h 01mAmerican Airlines
Deal found 6/12$841
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:37 pmSDF - ORK
2 stops15h 08mBritish Airways
Wed 10/295:35 pmORK - SDF
2 stops32h 19mBritish Airways
Deal found 6/11$894
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Sat 9/610:55 amSDF - ORK
3 stops18h 50mAir Canada
Sat 9/137:20 amORK - SDF
3 stops20h 38mAir Canada
Deal found 6/10$977
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:12 pmSDF - DUB
1 stop12h 28mIberia
Mon 10/61:45 pmDUB - SDF
1 stop14h 18mIberia
Deal found 6/11$1,003

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 June 12, 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 11/18

1:10 pm-7:00 am

1 stop12h 50m

Dublin

Sun 11/23

11:50 am-7:27 pm

1 stop12h 37m

$582

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/23

12:40 pm-11:50 am

2 stops42h 10m

Dublin

Tue 10/7

12:40 pm-11:56 pm

2 stops40h 16m

$597

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/19

1:59 pm-7:45 am

2 stops36h 46m

Dublin

Tue 9/2

9:20 am-8:13 pm

2 stops39h 53m

$612

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 8/15

2:56 pm-10:00 am

1 stop14h 04m

Dublin

Mon 8/25

10:00 am-10:42 pm

1 stop17h 42m

$636

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Thu 10/9

4:42 pm-10:45 am

2 stops13h 03m

Cork

Thu 10/16

7:20 am-8:52 pm

2 stops18h 32m

$704

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/23

4:30 pm-10:45 am

1 stop13h 15m

Dublin

Tue 10/7

1:15 pm-10:30 pm

2 stops14h 15m

$750

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 8/1

7:14 pm-10:00 am

1 stop9h 46m

Dublin

Sat 8/9

11:00 am-7:07 pm

1 stop13h 07m

$751

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 7/29

6:50 pm-2:45 pm

2 stops14h 55m

Dublin

Fri 8/8

10:55 am-11:02 pm

2 stops17h 07m

$770

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/20

1:10 pm-8:25 am

1 stop14h 15m

Dublin

Wed 8/27

11:45 am-9:46 pm

1 stop15h 01m

$841

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sun 10/19

2:37 pm-10:45 am

2 stops15h 08m

Cork

Wed 10/29

5:35 pm-9:54 pm

2 stops32h 19m

$894

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 21 results
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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 $947). 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 June 12, 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.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
To help decide which airline to fly from Louisville to Ireland, see what other customers have to say about Delta, KLM and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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 United Airlines, which is currently one of the cheapest options available, starting at $413. Air Canada flights start at $431 while deals on Lufthansa start at $449 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 $947). 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$495Average$816FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$498Average$983FlexibilityNo cancel feeOn-time69%
KLMCheapest$523Average$907FlexibilityNo cancel feeOn-time75%
DeltaCheapest$554Average$888FlexibilityNo cancel feeOn-timeN/A

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