Dublin

$340+ Cheap flights from Louisville (SDF) to Dublin (DUB)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Jun 17 — Jun 241
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Cheap flight deals from Louisville to Dublin

Cheapest flights from Louisville to Dublin
Explore the most affordable flight options available from Louisville to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.

This Finnair deal was found by Cheapflights users on 5/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:08 pm
SDF
-
DUB
2 stops17h 07m
Finnair
Fri 9/119:40 am
DUB
-
SDF
2 stops18h 18m
Finnair
Deal found 5/14$729
This FlightHub deal was found by Cheapflights users on 5/14. 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 9/15:08 pm
SDF
-
DUB
2 stops20h 42m
British Airways
Fri 9/1110:30 am
DUB
-
SDF
2 stops17h 28m
British Airways
Deal found 5/14$732
This oojo deal was found by Cheapflights users on 5/13. 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 9/2310:15 am
SDF
-
DUB
2 stops13h 55m
Multiple Airlines
Mon 9/281:20 pm
DUB
-
SDF
2 stops13h 17m
Multiple Airlines
Deal found 5/13$764
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:08 pm
SDF
-
DUB
1 stop11h 42m
Iberia
Fri 9/49:30 am
DUB
-
SDF
1 stop14h 03m
Iberia
Deal found 5/15$774
This United Airlines deal was found by Cheapflights users on 5/14. 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 9/11:13 pm
SDF
-
DUB
1 stop13h 17m
United Airlines
Fri 9/119:20 am
DUB
-
SDF
2 stops32h 01m
United Airlines
Deal found 5/14$783
This American Airlines deal was found by Cheapflights users on 5/14. 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 9/17:31 am
SDF
-
DUB
1 stop17h 59m
American Airlines
Fri 9/119:30 am
DUB
-
SDF
1 stop11h 51m
American Airlines
Deal found 5/14$797
This FlightHub deal was found by Cheapflights users on 5/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:31 am
SDF
-
DUB
2 stops18h 09m
British Airways
Mon 9/288:30 pm
DUB
-
SDF
2 stops24h 40m
British Airways
Deal found 5/16$810
This FlightHub deal was found by Cheapflights users on 5/15. 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.
Fri 9/44:34 pm
SDF
-
DUB
2 stops20h 16m
British Airways
Fri 9/118:35 am
DUB
-
SDF
2 stops19h 23m
British Airways
Deal found 5/15$811
This Gotogate deal was found by Cheapflights users on 5/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:08 pm
SDF
-
DUB
2 stops21h 27m
British Airways
Fri 9/48:35 am
DUB
-
SDF
2 stops17h 51m
British Airways
Deal found 5/15$825
This United Airlines deal was found by Cheapflights users on 5/15. 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 9/210:05 am
SDF
-
DUB
1 stop16h 15m
United Airlines
Mon 9/79:20 am
DUB
-
SDF
2 stops34h 17m
United Airlines
Deal found 5/15$833
This American Airlines deal was found by Cheapflights users on 5/13. 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 9/239:49 am
SDF
-
DUB
1 stop15h 41m
American Airlines
Mon 9/289:30 am
DUB
-
SDF
1 stop14h 46m
American Airlines
Deal found 5/13$838

Find flight deals from Louisville to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$729
(Finnair)

One-way from

$340
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$874
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 Dublin
One-way flight from Louisville Intl to Dublin
Highest demand for flights based on searches. 24% potential increase in price ($242 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Dublin 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 18, 2026.
Use the filters below to find and compare flights from Louisville to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/1

7:08 pm-5:15 pm

2 stops17h 07m

Dublin

Fri 9/11

9:40 am-10:58 pm

2 stops18h 18m

$729

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/1

1:13 pm-7:30 am

1 stop13h 17m

Dublin

Fri 9/11

9:20 am-12:21 pm

2 stops32h 01m

$783

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 9/2

10:05 am-7:20 am

1 stop16h 15m

Dublin

Mon 9/7

9:20 am-2:37 pm

2 stops34h 17m

$833

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 9/23

1:13 pm-7:30 am

1 stop13h 17m

Dublin

Mon 9/28

9:20 am-12:38 pm

2 stops32h 18m

$885

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 10/5

2:15 pm-10:00 am

1 stop14h 45m

Dublin

Mon 10/12

5:55 am-8:51 pm

2 stops19h 56m

$886

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 10/16

5:00 pm-5:50 pm

2 stops19h 50m

Dublin

Sat 10/24

8:15 pm-9:38 pm

2 stops30h 23m

$920

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 10/16

8:20 am-8:45 am

1 stop19h 25m

Dublin

Sat 10/24

8:55 am-12:02 am

2 stops20h 07m

$936
Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 10/16

4:00 pm-7:55 am

1 stop10h 55m

Dublin

Sat 10/24

11:00 am-8:51 pm

1 stop14h 51m

$939

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 10/16

6:00 am-7:20 am

1 stop20h 20m

Dublin

Sat 10/24

9:20 am-7:11 pm

2 stops14h 51m

$953
Cheapest one-way

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 10/1

7:07 pm-2:30 pm

2 stops14h 23m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/16

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Louisville to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Dublin in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

How far ahead should I book a flight from Louisville to Dublin?

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Louisville to Dublin?

Currently, December is the cheapest month in which you can book a flight from Louisville to Dublin (average of $483). Flying from Louisville to Dublin in June is currently the most expensive (average of $1,131). 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.

How much does it cost to fly round-trip from Louisville to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated May 18, 2026.
Read reviews from past customers who have flown Delta,KLM, andUnited Airlines from Louisville to Dublin. 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.

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Louisville to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Louisville to Dublin?

    Departing from Louisville to Dublin will take you 13h 17m. There are 3757 mi between Louisville and Dublin. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Louisville to Dublin round-trip?

    Currently priced at $483, Delta will fly you from Louisville to Dublin and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and American Airlines - these airlines can fly you to your destination from $484 and $488, respectively. These flights start at 34% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $294 on American Airlines. Other airlines that offer cheap prices include Aer Lingus from $426 and Delta from $452 one-way.

  • Can I find deals for flights from Louisville to Dublin that include hotel bookings?

    Yes. In addition to deals on Louisville to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Dublin.

  • Can I find deals for business class flights from Louisville to Dublin?

    Yes. Cheapflights offers flight deals from Louisville to Dublin 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 Dublin?

    Currently, December is the cheapest month in which you can book a flight from Louisville to Dublin (average of $483). Flying from Louisville to Dublin in June is currently the most expensive (average of $1,131). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Leixlip

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Top 5 airlines flying from Louisville to Dublin

Discover the top 5 airlines that operate flights from Louisville to Dublin. 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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$483Average$800FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$484Average$636FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$488Average$786FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$520Average$857FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$963Average$1,184FlexibilityNo cancel feeOn-timeN/A

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