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Ireland

$442+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$592
(United Airlines)

One-way from

$442
(British Airways)

Popular in

June

Cheapest in

November

Average price

$955
Provider with most accurate pricing for Louisville Intl-Dublin flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Dublin flights.
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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. 24% potential increase in price ($277 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 8/186:00 amSDF - DUB
1 stop23h 20mUnited Airlines
Mon 8/259:20 amDUB - SDF
2 stops31h 29mUnited Airlines
Deal found 4/29$592
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:40 amSDF - DUB
1 stop17h 50mAmerican Airlines
Fri 9/1211:45 amDUB - SDF
1 stop17h 00mAmerican Airlines
Deal found 4/30$596
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1812:48 pmSDF - DUB
2 stops13h 57mMultiple Airlines
Mon 8/259:20 amDUB - SDF
3 stops18h 04mMultiple Airlines
Deal found 4/29$621
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1811:25 amSDF - DUB
3 stops15h 20mAir Canada
Mon 8/259:20 amDUB - SDF
3 stops18h 04mAir Canada
Deal found 4/29$628
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/92:37 pmSDF - ORK
2 stops15h 08mAmerican Airlines
Thu 10/1611:45 amORK - SDF
2 stops15h 09mAmerican Airlines
Deal found 4/29$658
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 5/202:55 pmSDF - DUB
1 stop14h 50mDelta
Tue 5/2711:00 amDUB - SDF
1 stop14h 36mDelta
Deal found 4/30$746
This KLM deal was found by Cheapflights users on 4/29. 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.
Mon 8/1812:40 pmSDF - DUB
1 stop15h 05mKLM
Mon 8/2510:00 amDUB - SDF
1 stop16h 36mKLM
Deal found 4/29$767
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/162:59 pmSDF - DUB
2 stops22h 16mScandinavian Airlines
Mon 9/2212:40 pmDUB - SDF
2 stops38h 50mScandinavian Airlines
Deal found 4/29$792
This Air France deal was found by Cheapflights users on 4/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/203:24 pmSDF - DUB
1 stop12h 21mAir France
Wed 7/212:00 pmDUB - SDF
2 stops14h 13mAir France
Deal found 4/30$950
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:55 amSDF - ORK
3 stops18h 50mAir Canada
Thu 10/167:20 amORK - SDF
3 stops20h 04mAir Canada
Deal found 4/29$1,371
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:37 pmSDF - DUB
2 stops14h 38mBritish Airways
Sat 9/279:50 amDUB - SDF
2 stops18h 13mBritish Airways
Deal found 4/30$5,802

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 May 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

Mon 8/18

6:00 am-10:20 am

1 stop23h 20m

Dublin

Mon 8/25

9:20 am-11:49 am

2 stops31h 29m

$592

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 9/3

7:40 am-6:30 am

1 stop17h 50m

Dublin

Fri 9/12

11:45 am-11:45 pm

1 stop17h 00m

$596

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 8/18

12:48 pm-7:45 am

2 stops13h 57m

Dublin

Mon 8/25

9:20 am-10:24 pm

3 stops18h 04m

$621

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 8/18

11:25 am-7:45 am

3 stops15h 20m

Dublin

Mon 8/25

9:20 am-10:24 pm

3 stops18h 04m

$628

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Thu 10/9

2:37 pm-10:45 am

2 stops15h 08m

Cork

Thu 10/16

11:45 am-9:54 pm

2 stops15h 09m

$658

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 5/20

2:55 pm-10:45 am

1 stop14h 50m

Dublin

Tue 5/27

11:00 am-8:36 pm

1 stop14h 36m

$746

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 8/18

12:40 pm-8:45 am

1 stop15h 05m

Dublin

Mon 8/25

10:00 am-9:36 pm

1 stop16h 36m

$767

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/16

2:59 pm-6:15 pm

2 stops22h 16m

Dublin

Mon 9/22

12:40 pm-10:30 pm

2 stops38h 50m

$792

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 6/20

3:24 pm-8:45 am

1 stop12h 21m

Dublin

Wed 7/2

12:00 pm-9:13 pm

2 stops14h 13m

$950

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Thu 10/9

10:55 am-10:45 am

3 stops18h 50m

Cork

Thu 10/16

7:20 am-10:24 pm

3 stops20h 04m

$1,371

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 18 results
1
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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 $981). 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 May 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.

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 May 1, 2025.
To help decide which airline to fly from Louisville to Ireland, see what other customers have to say about Delta, KLM and Air France. 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
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,349 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 British Airways, which is currently one of the cheapest options available, starting at $442. American Airlines flights start at $443 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 $981). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$497Average$849FlexibilityNo cancel feeOn-time69%
DeltaCheapest$497Average$909FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$523Average$907FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$552Average$1,010FlexibilityNo cancel feeOn-time71%

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