What is the cheapest airline that flies from Louisville Intl to Dublin?

United Airlines, Air Canada, and KLM are the most popular carriers operating from Louisville Intl to Dublin

Which layover airport has the shortest travel time from Louisville to Dublin?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 50m.

Which layover airport offers the lowest fares from Louisville to Dublin?

Flights via Charlotte (CLT) offer the lowest average round-trip price of $856.

Which layover airport has the shortest connection time from Louisville to Dublin?

Philadelphia (PHL) has the shortest average layover time for this route: 1h 18m.

Which airport is the most popular layover for flights between Louisville and Dublin?

Philadelphia (PHL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Dublin?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Dublin from Louisville according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 9 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Dublin Airport?

Prices for flights from Louisville Intl Airport to Dublin Airport were last updated today.

How many operators does momondo search for flights from Louisville Intl Airport to Dublin Airport?

As of March 2026, there are 6 operators available to choose from for flights from Louisville Intl Airport to Dublin Airport.

How old do you have to be to fly from Louisville Intl Airport to Dublin Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Dublin Airport.

What documentation or ID do you need to fly to Dublin Airport?

The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$370 Cheap Flights from Louisville to Dublin in 2026

Q: What is the typical price of a round-trip flight between Louisville and Dublin?

Prices are currently typical for flights on this route. Typical prices usually range from $609 to $1,051. The lowest price recently found on this route was $762.

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Find the cheapest flights from Louisville to Dublin

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:01 pm - 2:30 pm

SDF

DUB

14h 29m

2 stops

8:30 pm - 4:23 pm

DUB

SDF

24h 53m

2 stops

$762British Airways

Mon, Apr 20 - Mon, Apr 27

4:30 pm - 9:35 am

SDF

DUB

12h 05m

1 stop

11:45 am - 12:25 am

DUB

SDF

17h 40m

1 stop

$781American Airlines

Mon, Apr 20 - Mon, Apr 27

2:30 pm - 7:20 am

SDF

DUB

11h 50m

1 stop

9:50 am - 4:41 pm

DUB

SDF

35h 51m

2 stops

$783United Airlines

Sat, Apr 11 - Sat, Apr 18

1:18 pm - 6:30 am

SDF

DUB

12h 12m

1 stop

12:40 pm - 10:08 pm

DUB

SDF

14h 28m

2 stops

$786American Airlines

Mon, Apr 20 - Mon, Apr 27

7:20 am - 7:20 am

SDF

DUB

19h 00m

2 stops

9:50 am - 4:41 pm

DUB

SDF

35h 51m

2 stops

$787United Airlines

Sat, Apr 11 - Sat, Apr 18

9:55 am - 7:20 am

SDF

DUB

16h 25m

1 stop

11:35 am - 8:16 pm

DUB

SDF

13h 41m

1 stop

$809United Airlines

Sat, Apr 11 - Sat, Apr 18

11:16 am - 11:50 am

SDF

DUB

19h 34m

1 stop

10:30 am - 12:23 am

DUB

SDF

18h 53m

2 stops

$837Multiple Airlines

Fri, May 8 - Sat, May 16

9:43 am - 9:35 am

SDF

DUB

18h 52m

1 stop

1:45 pm - 11:08 pm

DUB

SDF

14h 23m

1 stop

$839American Airlines

Thu, May 14 - Tue, Jun 2

7:01 pm - 11:50 am

SDF

DUB

11h 49m

1 stop

9:30 am - 12:23 am

DUB

SDF

19h 53m

1 stop

$840Finnair

Fri, May 8 - Sat, May 16

6:00 pm - 11:10 am

SDF

DUB

12h 10m

1 stop

11:35 am - 8:17 pm

DUB

SDF

13h 42m

1 stop

$844United Airlines

Sun, May 3 - Sun, May 10

United Airlines flights from Louisville to Dublin

Our best United Airlines deals on Louisville to Dublin flight tickets

United Airlines

Mar 22

SDF8:15 amLouisville Intl

19h 15m

1 stop

DUB7:30 amDublin

Apr 7

DUB8:50 amDublin

16h 26m

2 stops

SDF8:16 pmLouisville Intl

$701

United Airlines

Aug 26

SDF6:15 amLouisville Intl

20h 30m

2 stops

DUB7:45 amDublin

Aug 31

DUB9:50 amDublin

33h 51m

2 stops

SDF2:41 pmLouisville Intl

$721

United Airlines

Aug 20

SDF1:48 pmLouisville Intl

15h 52m

1 stop

DUB10:40 amDublin

Aug 27

DUB9:50 amDublin

14h 29m

2 stops

SDF7:19 pmLouisville Intl

$741

Air Canada flights from Louisville to Dublin

Our best Air Canada deals on Louisville to Dublin flight tickets

Air Canada

Aug 20

SDF6:15 amLouisville Intl

44h 30m

2 stops

DUB7:45 amDublin

Aug 27

DUB9:50 amDublin

39h 46m

2 stops

SDF8:36 pmLouisville Intl

$727

Air Canada

Jul 20

SDF6:00 amLouisville Intl

45h 15m

2 stops

DUB8:15 amDublin

Jul 24

DUB9:20 amDublin

18h 20m

2 stops

SDF10:40 pmLouisville Intl

$742

Air Canada

Aug 14

SDF5:35 amLouisville Intl

21h 10m

2 stops

DUB7:45 amDublin

Aug 23

DUB9:20 amDublin

18h 02m

2 stops

SDF10:22 pmLouisville Intl

$750

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 4/20

7:01 pm-2:30 pm

2 stops14h 29m

Dublin

Mon 4/27

8:30 pm-4:23 pm

2 stops24h 53m

$762

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 4/20

4:30 pm-9:35 am

1 stop12h 05m

Dublin

Mon 4/27

11:45 am-12:25 am

1 stop17h 40m

$781

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 4/11

2:30 pm-7:20 am

1 stop11h 50m

Dublin

Sat 4/18

9:50 am-4:41 pm

2 stops35h 51m

$783

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 4/20

1:18 pm-6:30 am

1 stop12h 12m

Dublin

Mon 4/27

12:40 pm-10:08 pm

2 stops14h 28m

$786

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 4/11

7:20 am-7:20 am

2 stops19h 00m

Dublin

Sat 4/18

9:50 am-4:41 pm

2 stops35h 51m

$787

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 4/11

9:55 am-7:20 am

1 stop16h 25m

Dublin

Sat 4/18

11:35 am-8:16 pm

1 stop13h 41m

$809

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 5/8

11:16 am-11:50 am

1 stop19h 34m

Dublin

Sat 5/16

10:30 am-12:23 am

2 stops18h 53m

$837

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 5/14

9:43 am-9:35 am

1 stop18h 52m

Dublin

Tue 6/2

1:45 pm-11:08 pm

1 stop14h 23m

$839

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 5/8

7:01 pm-11:50 am

1 stop11h 49m

Dublin

Sat 5/16

9:30 am-12:23 am

1 stop19h 53m

$840

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 5/3

6:00 pm-11:10 am

1 stop12h 10m

Dublin

Sun 5/10

11:35 am-8:17 pm

1 stop13h 42m

$844

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Louisville and Dublin?

What is the cheapest month to fly to Dublin?

In general, December is the cheapest month to fly from Louisville to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $507. If you’re not able to fly to Dublin in December, then November is your next best option. Flight prices from Louisville to Dublin during November average around $531.

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $734 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Louisville for as low as $531 on momondo.

Can stopping save me money on Louisville to Dublin flights?

You could potentially save up to 5% on your flight if you consider stops on a Louisville to Dublin flight.

When to book flights from Louisville to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Dublin according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Dublin (SDF to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Dublin

Fastest flight time	11h 50m
Direct flights	None

The fastest flight from Louisville to Dublin takes 11h 50m

There are no direct flights from Louisville to Dublin. There are no popular flight routes from Louisville to Dublin.

Search flight deals

How far is Louisville Intl to Dublin by plane?
Louisville Intl and Dublin are 3755.9 mi apart from one another. A reasonable flight in good conditions will take 11h 50m.
When did momondo last update prices for flights from Louisville Intl Airport to Dublin Airport?
Prices for flights from Louisville Intl Airport to Dublin Airport were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to Dublin Airport?
As of March 2026, there are 6 operators available to choose from for flights from Louisville Intl Airport to Dublin Airport.
How old do you have to be to fly from Louisville Intl Airport to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Louisville to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Dublin is American Airlines (32% of total bookings). The next most popular airlines are United Airlines (32%), Delta (18%), and KLM (9%).

Best airlines flying from Louisville to Dublin

Compare and see reviews for airlines that fly from Louisville to Dublin with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $484	Free Cancellation	Rating 7.8 1,475 reviews	Search KLM flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.1 11,488 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $491	Free Cancellation	Rating 7.3 1,720 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,313 reviews	Search Delta flights
United Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 9,452 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $797	Free Cancellation	Rating 7.2 1,481 reviews	Search Aer Lingus flights

Kilkenny

Swords

Athlone

Dundalk

Bray

Kildare

Mullingar

Wicklow

Drogheda

Portmarnock

Arklow

Castleknock

Leixlip

Carlingford

Cavan

Malahide

Maynooth

Naas

Thurles

Slane

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Dublin?

Finding the right flight to Dublin from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

Can I find flights from Louisville to Dublin with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Dublin from Louisville with this policy.

How can momondo help me find flights from Louisville to Dublin?

momondo provides multiple filters to help you find the best flight to Dublin from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to Dublin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Dublin from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Louisville to Dublin from $370

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Dublin departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Louisville to Dublin

Our best United Airlines deals on Louisville to Dublin flight tickets

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Our best Air Canada deals on Louisville to Dublin flight tickets

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How to get the cheapest flight ticket from Louisville to Dublin

What is the typical price of a round-trip flight between Louisville and Dublin?

What is the cheapest month to fly to Dublin?

How far in advance should I book a flight to Dublin?

Can stopping save me money on Louisville to Dublin flights?

What is the cheapest airline that flies from Louisville Intl to Dublin?

What airlines fly to Dublin?

Which airport is the most popular layover for flights between Louisville and Dublin?

Which layover airport offers the lowest fares from Louisville to Dublin?

Which layover airport has the shortest travel time from Louisville to Dublin?

Which layover airport has the shortest connection time from Louisville to Dublin?

When to book flights from Louisville to Dublin

Cheap Louisville to Dublin (SDF to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Dublin

Fastest flight time

Direct flights

Best airlines flying from Louisville to Dublin

Compare and see reviews for airlines that fly from Louisville to Dublin with momondo

Traveling to a place near Dublin?

Why use momondo?

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland

Fly your favorite airline to Dublin

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Dublin

List of cabin classes available on flights landing in Dublin. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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