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

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

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

Chicago (ORD) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Dublin?

United Airlines, Aer Lingus and American Airlines 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 32% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 7 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

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

Flights via Chicago (ORD) offer the lowest average round-trip price of $953.

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

Chicago (ORD) has the shortest average layover time for this route: 2h 34m.

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

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 12h 11m.

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 November 2026, there are 4 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.

$341 Cheap Flights from Louisville to Dublin in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Dublin

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 9:45 amSDF Louisville Intl-DUB Dublin

10h 45m1 stop Chicago O'Hare Intl

9:50 am - 11:55 pmDUB Dublin-SDF Louisville Intl

19h 05m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$729United Airlines

Sun, Apr 18 - Wed, Apr 21

10:00 am - 7:20 amSDF Louisville Intl-DUB Dublin

16h 20m1 stop Washington, D.C. Dulles Intl

9:50 am - 8:00 pmDUB Dublin-SDF Louisville Intl

15h 10m2 stops Toronto Pearson Intl Newark

$729United Airlines

Sun, Apr 18 - Wed, Apr 21

5:30 pm - 12:10 pmSDF Louisville Intl-DUB Dublin

13h 40m2 stops Boston Logan Intl London Heathrow

8:50 am - 9:37 pmDUB Dublin-SDF Louisville Intl

17h 47m2 stops London Heathrow Chicago O'Hare Intl

$734British Airways

Tue, Dec 8 - Tue, Dec 15

6:30 am - 8:15 amSDF Louisville Intl-DUB Dublin

20h 45m2 stops Newark Toronto Pearson Intl

9:50 am - 11:55 pmDUB Dublin-SDF Louisville Intl

19h 05m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$737Air Canada

Sun, Apr 18 - Wed, Apr 21

11:44 am - 9:00 amSDF Louisville Intl-DUB Dublin

16h 16m1 stop Philadelphia

11:30 am - 10:34 pmDUB Dublin-SDF Louisville Intl

16h 04m1 stop Philadelphia

$739American Airlines

Tue, Dec 8 - Tue, Dec 15

11:44 am - 9:00 amSDF Louisville Intl-DUB Dublin

16h 16m1 stop Philadelphia

11:30 am - 11:14 pmDUB Dublin-SDF Louisville Intl

16h 44m1 stop Philadelphia

$739American Airlines

Tue, Dec 8 - Tue, Dec 22

6:29 pm - 2:25 pmSDF Louisville Intl-DUB Dublin

14h 56m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:55 am - 8:51 pmDUB Dublin-SDF Louisville Intl

19h 56m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$795Delta

Sun, Jan 3 - Wed, May 5

5:49 am - 7:45 amSDF Louisville Intl-DUB Dublin

20h 56m1 stop Atlanta Hartsfield-Jackson

11:55 am - 12:18 pmDUB Dublin-SDF Louisville Intl

28h 23m1 stop Boston Logan Intl

$837Delta

Fri, Mar 5 - Sun, Mar 14

5:45 am - 5:15 amSDF Louisville Intl-DUB Dublin

18h 30m1 stop Chicago O'Hare Intl

4:40 pm - 9:29 amDUB Dublin-SDF Louisville Intl

21h 49m1 stop Chicago O'Hare Intl

$1,180Aer Lingus

Fri, Dec 25 - Wed, Jan 6

10:47 am - 9:30 amSDF Louisville Intl-DUB Dublin

17h 43m1 stop Chicago O'Hare Intl

4:40 pm - 9:29 amDUB Dublin-SDF Louisville Intl

21h 49m1 stop Chicago O'Hare Intl

$1,180Aer Lingus

Sat, Dec 26 - Wed, Jan 6

Cheap last minute flights

Enter your travel dates to find the best prices.

1:45 pm - 7:30 amSDF Louisville Intl-DUB Dublin

12h 45m1 stop Newark

9:00 am - 10:30 pmDUB Dublin-SDF Louisville Intl

18h 30m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$861United Airlines

Fri, Nov 13 - Thu, Nov 19

9:55 am - 10:20 amSDF Louisville Intl-DUB Dublin

19h 25m1 stop Washington, D.C. Dulles Intl

9:00 am - 10:30 pmDUB Dublin-SDF Louisville Intl

18h 30m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$861United Airlines

Thu, Nov 12 - Thu, Nov 19

3:00 pm - 7:45 amSDF Louisville Intl-DUB Dublin

11h 45m1 stop Atlanta Hartsfield-Jackson

9:40 am - 10:46 pmDUB Dublin-SDF Louisville Intl

18h 06m1 stop Minneapolis St Paul

$864Delta

Fri, Nov 13 - Thu, Nov 19

8:05 am - 7:45 amSDF Louisville Intl-DUB Dublin

18h 40m1 stop Atlanta Hartsfield-Jackson

9:40 am - 10:46 pmDUB Dublin-SDF Louisville Intl

18h 06m1 stop Minneapolis St Paul

$864Delta

Thu, Nov 12 - Thu, Nov 19

6:18 pm - 9:55 amSDF Louisville Intl-DUB Dublin

10h 37m1 stop Newark

10:40 am - 5:02 pmDUB Dublin-SDF Louisville Intl

11h 22m1 stop Chicago O'Hare Intl

$864United Airlines

Thu, Nov 12 - Fri, Nov 20

6:18 pm - 9:55 amSDF Louisville Intl-DUB Dublin

10h 37m1 stop Newark

9:10 am - 8:34 pmDUB Dublin-SDF Louisville Intl

16h 24m2 stops Frankfurt am Main Newark

$908Lufthansa

Fri, Nov 13 - Wed, Nov 18

6:18 pm - 9:55 amSDF Louisville Intl-DUB Dublin

10h 37m1 stop Newark

9:10 am - 8:34 pmDUB Dublin-SDF Louisville Intl

16h 24m2 stops Frankfurt am Main Newark

$908Lufthansa

Fri, Nov 13 - Fri, Nov 20

11:08 am - 5:15 amSDF Louisville Intl-DUB Dublin

13h 07m1 stop Philadelphia

12:55 pm - 10:30 pmDUB Dublin-SDF Louisville Intl

14h 35m1 stop Philadelphia

$954Aer Lingus

Sun, Nov 15 - Thu, Nov 19

11:08 am - 5:15 amSDF Louisville Intl-DUB Dublin

13h 07m1 stop Philadelphia

12:55 pm - 10:30 pmDUB Dublin-SDF Louisville Intl

14h 35m1 stop Philadelphia

$954Aer Lingus

Sun, Nov 15 - Fri, Nov 20

7:30 am - 8:40 amSDF Louisville Intl-DUB Dublin

20h 10m1 stop Philadelphia

12:20 pm - 11:15 pmDUB Dublin-SDF Louisville Intl

15h 55m2 stops Washington, D.C. Dulles Intl Charlotte Douglas

$10,899American Airlines

Tue, Nov 10 - Sun, Nov 15

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Air Canada flights from Louisville to Dublin

Our best Air Canada deals on Louisville to Dublin flight tickets

Air Canada

Apr 18

SDF9:00 amLouisville Intl

18h 15m

2 stops

DUB8:15 amDublin

Apr 21

DUB9:50 amDublin

18h 25m

2 stops

SDF11:15 pmLouisville Intl

$737

Air Canada

Apr 21

SDF10:00 amLouisville Intl

17h 15m

2 stops

DUB8:15 amDublin

May 2

DUB9:50 amDublin

39h 10m

2 stops

SDF8:00 pmLouisville Intl

$763

Air Canada

Mar 11

SDF6:30 amLouisville Intl

19h 40m

2 stops

DUB7:10 amDublin

Mar 22

DUB8:00 amDublin

16h 01m

2 stops

SDF8:01 pmLouisville Intl

$930

United Airlines flights from Louisville to Dublin

Our best United Airlines deals on Louisville to Dublin flight tickets

United Airlines

Apr 18

SDF6:00 pmLouisville Intl

10h 45m

1 stop

DUB9:45 amDublin

Apr 21

DUB9:50 amDublin

19h 05m

2 stops

SDF11:55 pmLouisville Intl

$729

United Airlines

Apr 18

SDF6:00 pmLouisville Intl

10h 45m

1 stop

DUB9:45 amDublin

Apr 21

DUB11:35 amDublin

13h 39m

1 stop

SDF8:14 pmLouisville Intl

$732

United Airlines

Apr 21

SDF8:45 amLouisville Intl

21h 25m

1 stop

DUB11:10 amDublin

May 2

DUB9:50 amDublin

36h 40m

2 stops

SDF5:30 pmLouisville Intl

$756

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 4/18

6:00 pm-9:45 am

1 stop10h 45m

Dublin

Wed 4/21

9:50 am-11:55 pm

2 stops19h 05m

$729

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 4/18

10:00 am-7:20 am

1 stop16h 20m

Dublin

Wed 4/21

9:50 am-8:00 pm

2 stops15h 10m

$729

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 12/8

5:30 pm-12:10 pm

2 stops13h 40m

Dublin

Tue 12/15

8:50 am-9:37 pm

2 stops17h 47m

$734

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 4/18

6:30 am-8:15 am

2 stops20h 45m

Dublin

Wed 4/21

9:50 am-11:55 pm

2 stops19h 05m

$737

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 12/8

11:44 am-9:00 am

1 stop16h 16m

Dublin

Tue 12/15

11:30 am-10:34 pm

1 stop16h 04m

$739

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 12/8

11:44 am-9:00 am

1 stop16h 16m

Dublin

Tue 12/22

11:30 am-11:14 pm

1 stop16h 44m

$739

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 1/3

6:29 pm-2:25 pm

2 stops14h 56m

Dublin

Wed 5/5

5:55 am-8:51 pm

2 stops19h 56m

$795

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Fri 3/5

5:49 am-7:45 am

1 stop20h 56m

Dublin

Sun 3/14

11:55 am-12:18 pm

1 stop28h 23m

$837

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Fri 12/25

5:45 am-5:15 am

1 stop18h 30m

Dublin

Wed 1/6

4:40 pm-9:29 am

1 stop21h 49m

$1,180

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sat 12/26

10:47 am-9:30 am

1 stop17h 43m

Dublin

Wed 1/6

4:40 pm-9:29 am

1 stop21h 49m

$1,180

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

Prices are currently low for flights on this route.

Typical prices usually range from $755 to $1,029.
The lowest price recently found on this route was $729.

What is the cheapest month to fly to Dublin?

In general, February 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 $520. If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from Louisville to Dublin during January average around $731.

Can stopping save me money on Louisville to Dublin flights?

You could potentially save up to 13% 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

Best Price Found	$341
Fastest flight time	10h 45m
Direct flights	None

The best one-way flight to Dublin from Louisville in the past 72 hours is $341. The best round-trip flight deal from Louisville to Dublin found on momondo in the last 72 hours is $729.

The fastest flight from Louisville to Dublin takes 10h 45m

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

Search flight deals

Frequently asked questions about flying from Louisville to Dublin

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 10h 45m.
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 November 2026, there are 4 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 United Airlines (37% of total bookings). The next most popular airlines are American Airlines (33%), Aer Lingus (17%), and Delta (13%).

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
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.0 12,226 reviews	Search American Airlines flights
United Airlines	PriceFrom $541	Free Cancellation	Rating 7.3 10,476 reviews	Search United Airlines flights
Delta	PriceFrom $544	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
Aer Lingus	PriceFrom $950	Free Cancellation	Rating 7.3 1,883 reviews	Search Aer Lingus flights

Kilkenny

Swords

Athlone

Kildare

Malahide

Dundalk

Carlingford

Portmarnock

Mullingar

Wicklow

Leixlip

Arklow

Castleknock

Bray

Gorey

Naas

Slane

Cavan

Drogheda

Maynooth

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 $341

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 5/1. 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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Air Canada flights from Louisville to Dublin

Our best Air Canada deals on Louisville to Dublin flight tickets

United Airlines flights from Louisville to Dublin

Our best United Airlines deals on Louisville to Dublin flight tickets

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Use the filters below to find and compare flights from Louisville to Dublin that are best for you.

See travel insights to Dublin from

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?

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Dublin

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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According to popular flight searches on momondo this year

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