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

United Airlines is the most popular carrier operating from Louisville Intl to Dublin

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

Philadelphia (PHL) has the shortest average layover time for this route: 1h 28m.

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 48% 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.

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

Philadelphia (PHL) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

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 42m.

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

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

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 2025, 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.

$433 Cheap Flights from Louisville to Dublin in 2025/26

Q: 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 $519 to $564. The lowest price recently found on this route was $433.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Louisville to Dublin

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:37 pm - 7:45 amSDF-DUB

14h 08m1 stop

9:45 am - 6:45 pmDUB-SDF

14h 00m1 stop

$433KLM

Find Deal

Tue, Dec 2 - Tue, Dec 9

7:50 am - 7:45 amSDF-DUB

18h 55m2 stops

9:45 am - 11:59 pmDUB-SDF

19h 14m2 stops

$438Delta

Find Deal

Tue, Dec 2 - Tue, Dec 9

7:15 pm - 3:45 pmSDF-DUB

15h 30m2 stops

9:45 am - 7:04 pmDUB-SDF

14h 19m1 stop

$453Multiple Airlines

Find Deal

Sun, Feb 15 - Tue, Feb 24

7:51 pm - 3:45 pmSDF-DUB

14h 54m2 stops

10:45 am - 8:25 pmDUB-SDF

14h 40m2 stops

$457Multiple Airlines

Find Deal

Mon, Feb 9 - Thu, Feb 19

7:13 pm - 1:35 pmSDF-DUB

13h 22m2 stops

11:30 am - 9:17 pmDUB-SDF

14h 47m1 stop

$474American Airlines

Find Deal

Mon, Feb 9 - Thu, Feb 19

8:29 am - 8:10 amSDF-DUB

18h 41m1 stop

10:40 am - 10:13 pmDUB-SDF

16h 33m1 stop

$483United Airlines

Find Deal

Mon, Feb 9 - Thu, Feb 19

9:05 am - 7:30 amSDF-DUB

17h 25m2 stops

9:00 am - 12:59 pmDUB-SDF

32h 59m2 stops

$510United Airlines

Find Deal

Mon, Jan 5 - Mon, Feb 2

11:21 am - 8:40 amSDF-DUB

16h 19m1 stop

11:30 am - 9:16 pmDUB-SDF

14h 46m1 stop

$583American Airlines

Find Deal

Fri, Jan 9 - Fri, Jan 16

2:59 pm - 11:45 amSDF-DUB

40h 46m2 stops

12:30 pm - 11:56 pmDUB-SDF

39h 26m2 stops

$609Scandinavian Airlines

Find Deal

Mon, Mar 9 - Fri, Mar 13

7:56 am - 5:05 amSDF-DUB

17h 09m1 stop

11:30 am - 8:55 pmDUB-SDF

13h 25m1 stop

$753Aer Lingus

Find Deal

Mon, Mar 9 - Fri, Mar 13

KLM flights from Louisville to Dublin

Our best KLM deals on Louisville to Dublin flight tickets

KLM

Dec 2

SDF12:37 pmLouisville Intl

14h 08m

1 stop

DUB7:45 amDublin

Dec 9

DUB9:45 amDublin

14h 00m

1 stop

SDF6:45 pmLouisville Intl

$433

Find similar

KLM

Mar 17

SDF5:45 pmLouisville Intl

10h 00m

1 stop

DUB7:45 amDublin

Mar 24

DUB5:55 amDublin

15h 47m

2 stops

SDF5:42 pmLouisville Intl

$530

Find similar

KLM

Mar 9

SDF4:30 pmLouisville Intl

12h 50m

1 stop

DUB9:20 amDublin

Mar 16

DUB9:45 amDublin

15h 07m

1 stop

SDF8:52 pmLouisville Intl

$533

Find similar

Delta flights from Louisville to Dublin

Our best Delta deals on Louisville to Dublin flight tickets

Delta

Dec 2

SDF7:50 amLouisville Intl

18h 55m

2 stops

DUB7:45 amDublin

Dec 9

DUB9:45 amDublin

19h 14m

2 stops

SDF11:59 pmLouisville Intl

$438

Find similar

Delta

Feb 9

SDF12:55 pmLouisville Intl

21h 50m

2 stops

DUB3:45 pmDublin

Feb 19

DUB10:45 amDublin

15h 30m

2 stops

SDF9:15 pmLouisville Intl

$458

Find similar

Delta

Mar 4

SDF5:33 amLouisville Intl

21h 12m

1 stop

DUB7:45 amDublin

Mar 8

DUB11:30 amDublin

14h 15m

2 stops

SDF9:45 pmLouisville Intl

$488

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 12/2

12:37 pm-7:45 am

1 stop14h 08m

Dublin

Tue 12/9

9:45 am-6:45 pm

1 stop14h 00m

$433

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 12/2

7:50 am-7:45 am

2 stops18h 55m

Dublin

Tue 12/9

9:45 am-11:59 pm

2 stops19h 14m

$438

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 2/15

7:15 pm-3:45 pm

2 stops15h 30m

Dublin

Tue 2/24

9:45 am-7:04 pm

1 stop14h 19m

$453

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

7:51 pm-3:45 pm

2 stops14h 54m

Dublin

Thu 2/19

10:45 am-8:25 pm

2 stops14h 40m

$457

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

7:13 pm-1:35 pm

2 stops13h 22m

Dublin

Thu 2/19

11:30 am-9:17 pm

1 stop14h 47m

$474

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

8:29 am-8:10 am

1 stop18h 41m

Dublin

Thu 2/19

10:40 am-10:13 pm

1 stop16h 33m

$483

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 1/5

9:05 am-7:30 am

2 stops17h 25m

Dublin

Mon 2/2

9:00 am-12:59 pm

2 stops32h 59m

$510

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 1/9

11:21 am-8:40 am

1 stop16h 19m

Dublin

Fri 1/16

11:30 am-9:16 pm

1 stop14h 46m

$583

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

2:59 pm-11:45 am

2 stops40h 46m

Dublin

Fri 3/13

12:30 pm-11:56 pm

2 stops39h 26m

$609

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

7:56 am-5:05 am

1 stop17h 09m

Dublin

Fri 3/13

11:30 am-8:55 pm

1 stop13h 25m

$753

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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, November 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 $533. If you’re not able to fly to Dublin in November, then February is your next best option. Flight prices from Louisville to Dublin during February average around $589.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Louisville to Dublin is on a Monday. Travelers who choose to depart for Dublin on a Monday will often find tickets for as low as $840. Flights from Louisville to Dublin on a Thursday will generally be more expensive and average around $1,075. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

At noon is the cheapest time of day to fly from Louisville to Dublin when you can find flight prices for as low as $858. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $1,010.

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 $846 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 $661 on momondo.

Can stopping save me money on Louisville to Dublin flights?

You could potentially save up to 25% 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

Direct flights	None

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 10h 00m.
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 2025, 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 United Airlines (38% of total bookings). The next most popular airlines are American Airlines (32%), Delta (15%), and KLM (7%).

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
Scandinavian Airlines	PriceFrom $491	Free Cancellation	Rating 7.4 1,560 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
KLM	PriceFrom $531	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
United Airlines	PriceFrom $541	Free Cancellation	Rating 7.4 9,001 reviews	Search United Airlines flights
American Airlines	PriceFrom $552	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $752	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights

Kilkenny

Athlone

Swords

Dundalk

Malahide

Maynooth

Bray

Mullingar

Naas

Arklow

Castleknock

Cavan

Drogheda

Wicklow

Leixlip

Kildare

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 12/4

Thu 12/11

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Airports servicing Ireland

Fly to other destinations from Louisville

Flights from Louisville Intl to Tampa St. Petersburg

Flights from Louisville Intl to Valparaiso Destin-Ft Walton Beach

Flights from Louisville Intl to Sarasota Bradenton Intl

Flights from Louisville Intl to Fort Lauderdale

Flights from Louisville Intl to Fort Myers SW Florida Intl

Flights from Louisville Intl to Charleston

Cheap flights from Louisville to Dublin from $433

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Dublin departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Louisville to Dublin

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

KLM flights from Louisville to Dublin

Our best KLM deals on Louisville to Dublin flight tickets

Delta flights from Louisville to Dublin

Our best Delta deals on Louisville to Dublin flight tickets

momondo Fare Finder

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

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

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

What is the cheapest month to fly to Dublin?

What is the cheapest day to depart on your flight to Dublin?

What is the cheapest time of day to depart on your flight to Dublin?

At noon is the cheapest time of day to fly from Louisville to Dublin when you can find flight prices for as low as $858. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $1,010.

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

Can stopping save me money on Louisville to Dublin flights?

You could potentially save up to 25% on your flight if you consider stops on a Louisville to Dublin flight.

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

United Airlines is the most popular carrier operating from Louisville Intl to Dublin

What airlines fly to Dublin?

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

Philadelphia (PHL) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

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 travel time from Louisville to Dublin?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 42m.

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

Philadelphia (PHL) has the shortest average layover time for this route: 1h 28m.

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

Direct flights

How far is Louisville Intl to Dublin by plane?

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

How many operators does momondo search 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?

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

What is the most popular airline 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?

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

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

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

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

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