Ireland

$495+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Feb 27 — Mar 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Ireland with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$570
(KLM)

One-way from

$495
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$593
Provider with most accurate pricing for Louisville Intl-Dublin flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Dublin flights.
From Louisville Intl to Ireland
One-way flight from Louisville Intl to Ireland
Highest demand for flights based on searches. 26% potential increase in price ($310 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 22, 2025.

This KLM deal was found by Cheapflights users on 2/21. 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 3/172:05 pmSDF - DUB
1 stop14h 20mKLM
Tue 3/2512:00 pmDUB - SDF
1 stop13h 30mKLM
Deal found 2/21$570
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/176:26 pmSDF - DUB
1 stop10h 14mAmerican Airlines
Tue 3/252:05 pmDUB - SDF
1 stop24h 33mAmerican Airlines
Deal found 2/20$575
This United deal was found by Cheapflights users on 2/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:25 pmSDF - DUB
1 stop16h 20mUnited Airlines
Wed 10/89:50 amDUB - SDF
2 stops17h 19mUnited Airlines
Deal found 2/22$590
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/71:22 pmSDF - DUB
2 stops20h 13mMultiple Airlines
Mon 4/1411:30 amDUB - SDF
2 stops15h 04mMultiple Airlines
Deal found 2/21$708
This Air Canada deal was found by Cheapflights users on 2/21. 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 3/175:45 pmSDF - DUB
3 stops17h 55mAir Canada
Tue 3/256:40 amDUB - SDF
3 stops19h 51mAir Canada
Deal found 2/21$793
This Ovago deal was found by Cheapflights users on 2/22. 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.
Sun 3/301:50 pmSDF - DUB
1 stop15h 30mLufthansa
Sat 4/55:40 pmDUB - SDF
2 stops33h 50mLufthansa
Deal found 2/22$936
This Delta deal was found by Cheapflights users on 2/21. 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.
Sat 10/48:20 amSDF - DUB
2 stops19h 55mDelta
Sat 10/1111:00 amDUB - SDF
1 stop13h 03mDelta
Deal found 2/21$1,018
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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.
Sun 3/306:32 pmSDF - DUB
2 stops21h 23mBritish Airways
Sat 4/57:00 pmDUB - SDF
2 stops32h 05mBritish Airways
Deal found 2/21$1,051
This KAYAK deal was found by Cheapflights users on 2/21. 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.
Sat 2/226:45 pmSDF - DUB
1 stop10h 35mAer Lingus
Fri 2/284:40 pmDUB - SDF
1 stop32h 34mAer Lingus
Deal found 2/21$1,893
This oojo deal was found by Cheapflights users on 2/20. 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.
Wed 7/1612:05 pmSDF - DUB
1 stop18h 35mIberia
Tue 7/291:45 pmDUB - SDF
1 stop14h 14mIberia
Deal found 2/20$2,130
This KAYAK deal was found by Cheapflights users on 2/21. 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 4/135:56 pmSDF - ORK
2 stops17h 29mLufthansa
Fri 4/255:00 pmORK - SDF
2 stops31h 47mLufthansa
Deal found 2/21$2,458

Find flights from Louisville to Ireland within your budget

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 February 22, 2025.

Fly from

Louisville

Fly to

Ireland

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/17

2:05 pm-8:25 am

1 stop14h 20m

Dublin

Tue 3/25

12:00 pm-9:30 pm

1 stop13h 30m

$570

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/17

6:26 pm-8:40 am

1 stop10h 14m

Dublin

Tue 3/25

2:05 pm-10:38 am

1 stop24h 33m

$575

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/23

5:45 pm-10:05 am

2 stops36h 20m

Dublin

Sun 3/30

9:50 am-2:03 pm

2 stops33h 13m

$663

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 4/7

1:22 pm-2:35 pm

2 stops20h 13m

Dublin

Mon 4/14

11:30 am-9:34 pm

2 stops15h 04m

$708

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/17

5:45 pm-3:40 pm

3 stops17h 55m

Dublin

Tue 3/25

6:40 am-10:31 pm

3 stops19h 51m

$793

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/30

1:50 pm-10:20 am

1 stop15h 30m

Dublin

Sat 4/5

5:40 pm-10:30 pm

2 stops33h 50m

$936

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/30

6:32 pm-8:55 pm

2 stops21h 23m

Dublin

Sat 4/5

7:00 pm-10:05 pm

2 stops32h 05m

$1,051

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 7/16

12:05 pm-11:40 am

1 stop18h 35m

Dublin

Tue 7/29

1:45 pm-10:59 pm

1 stop14h 14m

$2,130

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sun 4/13

5:56 pm-4:25 pm

2 stops17h 29m

Cork

Fri 4/25

5:00 pm-7:47 pm

2 stops31h 47m

$2,458

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 7/16

6:25 am-8:25 am

3 stops21h 00m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 13 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.

Travel insights for flights from Louisville to Ireland

Get recent, data-driven insights about flights from Louisville to Ireland including ideal travel times, pricing trends, and more.

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 $1,016). 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 February 22, 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 February 22, 2025.
To help decide which airline to fly from Louisville to Ireland, see what other customers have to say about KLM, United Airlines and American 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.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.3

Food

7.3

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.3

Food

7.3

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.3

Food

7.3

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.3

Food

7.3

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.3

Food

7.3

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Entertainment

7.2

Comfort

7.7

Overall

7.8

Crew

8.3

Food

7.3

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 Aer Lingus, which is currently one of the cheapest options available, starting at $609. Air Canada flights start at $614 while deals on KLM start at $618 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 $1,016). 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.

Alternative routes for Louisville to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$497Average$823FlexibilityNo cancel feeOn-time69%
KLMCheapest$523Average$907FlexibilityNo cancel feeOn-time75%
DeltaCheapest$556Average$943FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$559Average$1,013FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$752Average$1,283FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.