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$320+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DUB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 27 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 June 12, 2025.

Round-trip from

$582

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,311
From Louisville Intl to Dublin
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One-way flight from Louisville Intl to Dublin
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Highest demand for flights based on searches. 20% potential increase in price ($222 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:10 pmSDF - DUB
1 stop12h 50mUnited Airlines
Sun 11/2311:50 amDUB - SDF
1 stop12h 37mUnited Airlines
Deal found 6/12$582
This Justfly.com deal was found by Cheapflights users on 6/11. 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.
Tue 9/2312:40 pmSDF - DUB
2 stops42h 10mScandinavian Airlines
Tue 10/712:40 pmDUB - SDF
2 stops40h 16mScandinavian Airlines
Deal found 6/11$597
This FlightHub deal was found by Cheapflights users on 6/12. 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 8/191:59 pmSDF - DUB
2 stops36h 46mAir Canada
Tue 9/29:20 amDUB - SDF
2 stops39h 53mAir Canada
Deal found 6/12$612
This Delta deal was found by Cheapflights users on 6/10. 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 8/152:56 pmSDF - DUB
1 stop14h 04mDelta
Mon 8/2510:00 amDUB - SDF
1 stop17h 42mDelta
Deal found 6/10$636
This Air France deal was found by Cheapflights users on 6/11. 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.
Tue 9/234:30 pmSDF - DUB
1 stop13h 15mMultiple Airlines
Tue 10/71:15 pmDUB - SDF
2 stops14h 15mMultiple Airlines
Deal found 6/11$750
This KLM deal was found by Cheapflights users on 6/9. 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 8/17:14 pmSDF - DUB
1 stop9h 46mKLM
Sat 8/911:00 amDUB - SDF
1 stop13h 07mKLM
Deal found 6/9$751
This Ovago deal was found by Cheapflights users on 6/12. 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.
Tue 7/296:50 pmSDF - DUB
2 stops14h 55mBritish Airways
Fri 8/810:55 amDUB - SDF
2 stops17h 07mBritish Airways
Deal found 6/12$770
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/201:10 pmSDF - DUB
1 stop14h 15mAmerican Airlines
Wed 8/2711:45 amDUB - SDF
1 stop15h 01mAmerican Airlines
Deal found 6/12$841
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:12 pmSDF - DUB
1 stop12h 28mIberia
Mon 10/61:45 pmDUB - SDF
1 stop14h 18mIberia
Deal found 6/11$1,003
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 7/316:50 pmSDF - DUB
1 stop10h 50mAer Lingus
Sat 8/911:35 amDUB - SDF
1 stop11h 06mAer Lingus
Deal found 6/12$1,412
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Wed 9/102:20 pmSDF - DUB
2 stops23h 55mLufthansa
Sat 9/275:55 amDUB - SDF
2 stops20h 05mLufthansa
Deal found 6/12$12,376

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 12, 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

Tue 11/18

1:10 pm-7:00 am

1 stop12h 50m

Dublin

Sun 11/23

11:50 am-7:27 pm

1 stop12h 37m

$582

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/23

12:40 pm-11:50 am

2 stops42h 10m

Dublin

Tue 10/7

12:40 pm-11:56 pm

2 stops40h 16m

$597

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/19

1:59 pm-7:45 am

2 stops36h 46m

Dublin

Tue 9/2

9:20 am-8:13 pm

2 stops39h 53m

$612

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 8/15

2:56 pm-10:00 am

1 stop14h 04m

Dublin

Mon 8/25

10:00 am-10:42 pm

1 stop17h 42m

$636

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/23

4:30 pm-10:45 am

1 stop13h 15m

Dublin

Tue 10/7

1:15 pm-10:30 pm

2 stops14h 15m

$750

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 8/1

7:14 pm-10:00 am

1 stop9h 46m

Dublin

Sat 8/9

11:00 am-7:07 pm

1 stop13h 07m

$751

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 7/29

6:50 pm-2:45 pm

2 stops14h 55m

Dublin

Fri 8/8

10:55 am-11:02 pm

2 stops17h 07m

$770

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/20

1:10 pm-8:25 am

1 stop14h 15m

Dublin

Wed 8/27

11:45 am-9:46 pm

1 stop15h 01m

$841

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 9/24

6:12 pm-11:40 am

1 stop12h 28m

Dublin

Mon 10/6

1:45 pm-11:03 pm

1 stop14h 18m

$1,003

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 7/31

6:50 pm-10:40 am

1 stop10h 50m

Dublin

Sat 8/9

11:35 am-5:41 pm

1 stop11h 06m

$1,412

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
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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 June 9, 2025.

Booking 27 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 $947). 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 June 12, 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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $582, 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 Scandinavian Airlines and Air Canada - these airlines can fly you to your destination from $597 and $612, respectively. These flights start at 31% 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 $413 on United Airlines. Other airlines that offer cheap prices include Air Canada from $431 and Delta from $463 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, 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 $947). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$498Average$866FlexibilityNo cancel feeOn-time69%
KLMCheapest$523Average$907FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$547Average$971FlexibilityNo cancel feeOn-time71%
DeltaCheapest$554Average$888FlexibilityNo cancel feeOn-timeN/A

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