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$463+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Jul 5 — Jul 121
Sun 7/5
Sun 7/12
1 adult, Economy
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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 June 5, 2026.

This Expedia deal was found by Cheapflights users on 6/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:14 pm
SDF
-
DUB
2 stops14h 21m
British Airways
Tue 11/38:50 am
DUB
-
SDF
2 stops17h 39m
British Airways
Deal found 6/1$717
This Expedia deal was found by Cheapflights users on 6/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:18 pm
SDF
-
DUB
1 stop15h 27m
Finnair
Tue 11/31:00 pm
DUB
-
SDF
1 stop14h 00m
Finnair
Deal found 6/1$719
This FlightHub deal was found by Cheapflights users on 6/1. 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.
Mon 11/25:20 pm
SDF
-
DUB
2 stops18h 45m
British Airways
Mon 11/98:40 pm
DUB
-
SDF
2 stops29h 49m
British Airways
Deal found 6/1$726
This FlightHub deal was found by Cheapflights users on 6/3. 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 9/15:10 pm
SDF
-
DUB
2 stops21h 20m
British Airways
Fri 9/1110:30 am
DUB
-
SDF
2 stops17h 03m
British Airways
Deal found 6/3$731
This Finnair deal was found by Cheapflights users on 6/2. 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.
Wed 9/26:30 pm
SDF
-
DUB
2 stops17h 45m
Finnair
Thu 9/1012:40 pm
DUB
-
SDF
1 stop13h 51m
Finnair
Deal found 6/2$732
This Delta deal was found by Cheapflights users on 6/3. 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 9/112:35 pm
SDF
-
DUB
1 stop14h 20m
Delta
Fri 9/1111:10 am
DUB
-
SDF
2 stops16h 40m
Delta
Deal found 6/3$746
This British Airways deal was found by Cheapflights users on 6/1. 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.
Sun 12/66:04 pm
SDF
-
DUB
2 stops15h 16m
British Airways
Sun 12/1310:45 am
DUB
-
SDF
2 stops17h 11m
British Airways
Deal found 6/1$767
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Sun 12/611:43 am
SDF
-
DUB
1 stop15h 47m
American Airlines
Sun 12/1311:30 am
DUB
-
SDF
2 stops15h 18m
American Airlines
Deal found 6/1$771
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Sun 9/137:30 am
SDF
-
DUB
1 stop18h 00m
American Airlines
Sat 9/199:30 am
DUB
-
SDF
1 stop10h 50m
American Airlines
Deal found 6/4$772
This FlightHub deal was found by Cheapflights users on 6/4. 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.
Mon 9/216:20 pm
SDF
-
DUB
2 stops32h 55m
Air Canada
Tue 9/299:20 am
DUB
-
SDF
2 stops40h 00m
Air Canada
Deal found 6/4$773

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 June 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$717
(Expedia)

One-way from

$463

Popular in

June

Cheapest in

December

Average price

$1,131
Provider with most accurate pricing for Louisville Intl-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Dublin flights.
Search Deals
From Louisville Intl to Dublin
Search Deals
One-way flight from Louisville Intl to Dublin
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($243 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 5, 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

Wed 10/21

7:14 pm-5:15 pm

2 stops17h 01m

Dublin

Tue 11/3

1:00 pm-10:00 pm

1 stop14h 00m

$727

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/19

1:50 pm-9:45 am

1 stop14h 55m

Dublin

Wed 8/26

9:20 am-4:38 pm

2 stops36h 18m

$783

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 9/12

9:00 am-7:45 am

2 stops41h 45m

Dublin

Wed 9/23

9:20 am-11:54 pm

2 stops43h 34m

$805

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 9/23

6:15 am-7:30 am

1 stop20h 15m

Dublin

Mon 9/28

9:20 am-12:39 pm

2 stops32h 19m

$825

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 7/20

2:10 pm-9:45 am

1 stop14h 35m

Dublin

Fri 7/31

9:20 am-8:23 pm

2 stops16h 03m

$900

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 7/15

1:07 pm-7:30 am

1 stop13h 23m

Dublin

Fri 7/31

9:20 am-6:56 pm

2 stops14h 36m

$900

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 7/18

7:55 pm-9:45 am

1 stop32h 50m

Dublin

Thu 7/30

9:50 am-8:23 pm

2 stops15h 33m

$901

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 8/14

6:30 pm-2:30 pm

2 stops15h 00m

Dublin

Tue 8/25

8:35 am-9:25 pm

2 stops17h 50m

$902

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 10/16

4:00 pm-7:55 am

1 stop10h 55m

Dublin

Sat 10/24

5:55 am-3:45 pm

2 stops14h 50m

$903

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 7/15

1:48 pm-7:20 am

1 stop12h 32m

Dublin

Wed 7/29

11:35 am-5:03 pm

1 stop10h 28m

$904

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 16 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 June.
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 June 5, 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.
Delta
7.9
Good
8,399 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

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
Delta
7.9
Good
8,399 reviews
Delta
7.9
Good
8,399 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

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
KLM
7.8
Good
1,526 reviews
Delta
7.9
Good
8,399 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

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
United Airlines
7.4
Good
9,781 reviews
Delta
7.9
Good
8,399 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

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
Aer Lingus
7.3
Good
1,598 reviews
Delta
7.9
Good
8,399 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

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
American Airlines
7.1
Good
11,656 reviews
Delta
7.9
Good
8,399 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

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 14h 55m. 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 $483 and $488, respectively. These flights start at 34% lower than the current average price 3 months from now.

  • 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
Castleknock

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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 June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$483Average$636FlexibilityNo cancel feeOn-time75%
DeltaCheapest$483Average$800FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$488Average$798FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$520Average$865FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$963Average$1,184FlexibilityNo cancel feeOn-timeN/A

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