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$568+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Find cheap flights from Louisville to Dublin with Cheapflights

1. Tell us where you want to go
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Cheapflights Tip: The best prices from Louisville Intl to Dublin are usually found in November or January, booked 43 days in advance, depart on a Monday or Tuesday and return on a Monday

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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$568
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$746
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 Dublin
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($281 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 26, 2025.

This United Airlines deal was found by Cheapflights users on 3/24. 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 5/73:15 pmSDF - DUB
1 stop11h 05mUnited Airlines
Wed 5/149:50 amDUB - SDF
2 stops33h 40mUnited Airlines
Deal found 3/24$568
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Wed 5/77:00 amSDF - DUB
2 stops20h 15mAir Canada
Wed 5/149:50 amDUB - SDF
2 stops17h 40mAir Canada
Deal found 3/24$588
This Air Canada deal was found by Cheapflights users on 3/25. 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.
Tue 8/1910:55 amSDF - DUB
2 stops16h 20mMultiple Airlines
Tue 9/29:20 amDUB - SDF
2 stops16h 08mMultiple Airlines
Deal found 3/25$591
This KLM deal was found by Cheapflights users on 3/24. 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.
Wed 5/712:44 pmSDF - DUB
1 stop15h 01mKLM
Wed 5/1411:00 amDUB - SDF
1 stop16h 43mKLM
Deal found 3/24$596
This Delta deal was found by Cheapflights users on 3/25. 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 8/194:19 pmSDF - DUB
1 stop13h 26mDelta
Tue 9/212:00 pmDUB - SDF
2 stops15h 32mDelta
Deal found 3/25$600
This Justfly.com deal was found by Cheapflights users on 3/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:45 pmSDF - DUB
2 stops17h 35mBritish Airways
Tue 10/1412:45 pmDUB - SDF
2 stops30h 21mBritish Airways
Deal found 3/24$657
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 4/1211:03 amSDF - DUB
1 stop14h 27mAmerican Airlines
Wed 4/239:30 amDUB - SDF
2 stops15h 14mAmerican Airlines
Deal found 3/25$660
This Gurufare deal was found by Cheapflights users on 3/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:15 pmSDF - DUB
1 stop14h 55mLufthansa
Sun 5/259:20 amDUB - SDF
1 stop14h 59mLufthansa
Deal found 3/25$870
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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.
Fri 8/1510:31 amSDF - DUB
1 stop13h 39mAer Lingus
Mon 8/254:40 pmDUB - SDF
1 stop21h 56mAer Lingus
Deal found 3/24$892
This Scandinavian Airlines deal was found by Cheapflights users on 3/24. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:40 pmSDF - DUB
2 stops24h 35mScandinavian Airlines
Sun 9/149:45 pmDUB - SDF
3 stops29h 47mScandinavian Airlines
Deal found 3/24$1,240

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 March 26, 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 5/7

3:15 pm-7:20 am

1 stop11h 05m

Dublin

Wed 5/14

9:50 am-2:30 pm

2 stops33h 40m

$568

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 5/7

7:00 am-8:15 am

2 stops20h 15m

Dublin

Wed 5/14

9:50 am-10:30 pm

2 stops17h 40m

$588

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 5/7

12:44 pm-8:45 am

1 stop15h 01m

Dublin

Wed 5/14

11:00 am-10:43 pm

1 stop16h 43m

$596

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 4/12

12:14 pm-6:30 am

2 stops13h 16m

Dublin

Wed 4/23

9:30 am-7:29 pm

2 stops14h 59m

$660

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 5/30

12:20 pm-9:15 am

1 stop15h 55m

Dublin

Thu 6/12

12:00 pm-12:04 pm

1 stop29h 04m

$706

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 5/3

5:05 am-10:30 am

3 stops24h 25m

Dublin

Sun 5/18

11:35 am-5:53 pm

3 stops35h 18m

$721

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 4/17

4:59 pm-9:25 am

2 stops35h 26m

Dublin

Fri 5/2

12:40 pm-9:48 pm

2 stops38h 08m

$738

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 5/14

3:15 pm-11:10 am

1 stop14h 55m

Dublin

Sun 5/25

9:20 am-7:19 pm

1 stop14h 59m

$870

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/30

7:19 pm-3:45 pm

2 stops15h 26m

Dublin

Sat 4/5

7:00 pm-4:46 pm

2 stops26h 46m

$1,061

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/30

7:19 pm-5:10 am

1 stop28h 51m

Dublin

Sat 4/5

11:35 am-7:55 pm

1 stop13h 20m

$1,932

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 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 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?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Dublin. Price data was last updated on March 21, 2025.

Booking 43 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, November is the cheapest month in which you can book a flight from Louisville to Dublin (average of $509). Flying from Louisville to Dublin in June is currently the most expensive (average of $1,010). 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 March 26, 2025.

It’s typically best to fly out from Louisville to Dublin at noon. Doing so could potentially save you 16% 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.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin 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 Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, 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 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 March 26, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Louisville to Dublin to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,319 reviews
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,325 reviews
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Currently priced at $568, United Airlines will fly you from Louisville to Dublin and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and KLM - these airlines can fly you to your destination from $588 and $596, respectively. These flights start at 35% 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, November is the cheapest month in which you can book a flight from Louisville to Dublin (average of $509). Flying from Louisville to Dublin in June is currently the most expensive (average of $1,010). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Top 4 airlines flying from Louisville to Dublin

Discover the top 4 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$497Average$835FlexibilityNo cancel feeOn-time69%
DeltaCheapest$497Average$907FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$523Average$907FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$556Average$1,006FlexibilityNo cancel feeOn-time71%
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