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$455+ Cheap flights from Louisville (SDF) to Dublin (DUB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Dublin are usually found in November or February, booked 38 days in advance, depart on a Monday or Tuesday and return on a Monday

Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/129:55 amSDF - DUB
1 stop19h 25mUnited Airlines
Wed 11/199:00 amDUB - SDF
2 stops32h 26mUnited Airlines
Deal found 10/29$455
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/282:53 pmSDF - DUB
1 stop11h 52mDelta
Fri 12/59:45 amDUB - SDF
1 stop18h 13mDelta
Deal found 10/30$458
This United deal was found by Cheapflights users on 10/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:00 amSDF - DUB
2 stops17h 30mMultiple Airlines
Wed 11/199:00 amDUB - SDF
2 stops32h 26mMultiple Airlines
Deal found 10/29$460
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:00 amSDF - DUB
2 stops17h 10mMultiple Airlines
Thu 12/45:00 amDUB - SDF
2 stops22h 29mMultiple Airlines
Deal found 10/30$475
This United deal was found by Cheapflights users on 10/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:50 amSDF - DUB
1 stop19h 40mMultiple Airlines
Fri 12/59:00 amDUB - SDF
2 stops39h 27mMultiple Airlines
Deal found 10/29$480
This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 11/276:35 amSDF - DUB
1 stop20h 10mDelta
Thu 12/45:55 amDUB - SDF
2 stops23h 04mDelta
Deal found 10/30$482
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/272:35 pmSDF - DUB
1 stop14h 45mUnited Airlines
Thu 12/410:40 amDUB - SDF
1 stop11h 36mUnited Airlines
Deal found 10/30$484
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:15 pmSDF - DUB
1 stop12h 05mDelta
Thu 11/209:45 amDUB - SDF
2 stops19h 21mDelta
Deal found 10/29$488
This KLM deal was found by Cheapflights users on 10/29. 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.
Fri 11/282:53 pmSDF - DUB
1 stop11h 52mKLM
Fri 12/59:45 amDUB - SDF
1 stop12h 31mKLM
Deal found 10/29$508
This Air France deal was found by Cheapflights users on 10/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1312:37 pmSDF - DUB
1 stop14h 08mKLM
Sat 12/209:45 amDUB - SDF
1 stop18h 18mKLM
Deal found 10/29$632

Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$455
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$856
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
Highest demand for flights based on searches. 24% potential increase in price ($272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 2025.
Use the filters below to find and compare flights from Louisville to Dublin that are best for you.

Fly from

Louisville

Fly to

Dublin

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 11/12

9:55 am-10:20 am

1 stop19h 25m

Dublin

Wed 11/19

9:00 am-12:26 pm

2 stops32h 26m

$455

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 11/28

9:55 am-10:20 am

1 stop19h 25m

Dublin

Fri 12/5

9:00 am-1:12 pm

2 stops33h 12m

$455

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 11/28

2:53 pm-7:45 am

1 stop11h 52m

Dublin

Fri 12/5

9:45 am-10:58 pm

1 stop18h 13m

$458

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 2/10

6:53 pm-3:45 pm

2 stops15h 52m

Dublin

Tue 2/17

10:45 am-9:45 pm

2 stops16h 00m

$458

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 11/12

9:00 am-7:30 am

2 stops17h 30m

Dublin

Wed 11/19

9:00 am-12:26 pm

2 stops32h 26m

$460

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 11/28

7:00 am-10:20 am

2 stops22h 20m

Dublin

Fri 12/5

9:00 am-1:12 pm

2 stops33h 12m

$460

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 1/8

8:29 am-7:30 am

2 stops18h 01m

Dublin

Thu 1/22

5:00 am-5:37 pm

2 stops17h 37m

$468

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 1/8

11:10 am-7:10 am

2 stops15h 00m

Dublin

Thu 1/15

5:00 am-7:43 pm

2 stops19h 43m

$476

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 2/8

3:33 pm-10:15 am

2 stops13h 42m

Dublin

Tue 2/17

11:30 am-9:12 pm

2 stops14h 42m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Dublin flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Dublin. Price data was last updated on October 24, 2025.

Booking 38 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, February is the cheapest month in which you can book a flight from Louisville to Dublin (average of $467). Flying from Louisville to Dublin in June is currently the most expensive (average of $792). 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 DUB?

Find hourly flight availability from Louisville to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Louisville to Dublin at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Louisville to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Dublin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisville to Dublin flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 2025.
Read reviews from past customers who have flown Delta, KLM, and United 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
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aer Lingus
7.2
Good
1,365 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 11h 52m. 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 $491, Scandinavian Airlines will fly you from Louisville to Dublin and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $531 and $531, respectively. These flights start at 41% 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, February is the cheapest month in which you can book a flight from Louisville to Dublin (average of $467). Flying from Louisville to Dublin in June is currently the most expensive (average of $792). 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
Swords
Wicklow
Leixlip

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Top 6 airlines flying from Louisville to Dublin

Discover the top 6 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$491Average$679FlexibilityNo cancel feeOn-time77%
DeltaCheapest$531Average$824FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$531Average$640FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$541Average$888FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$567Average$1,037FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$752Average$1,371FlexibilityNo cancel feeOn-timeN/A

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