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

American Airlines, United Airlines, and Delta 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 airport is the most popular layover for flights between Louisville and Dublin?

Philadelphia (PHL) was the most common stop: 60% 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 Atlanta (ATL) offer the lowest average round-trip price of $915.

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.

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 45% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 8 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 April 2026, there are 5 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.

$450 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 low for flights on this route. Typical prices usually range from $1,198 to $684. The lowest price recently found on this route was $722.

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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.

7:08 pm - 2:30 pm

SDF

DUB

14h 22m

2 stops

10:30 am - 10:58 pm

DUB

SDF

17h 28m

2 stops

$722British Airways

Mon, Sep 7 - Tue, Sep 15

3:24 pm - 8:45 am

SDF

DUB

12h 21m

1 stop

12:00 pm - 6:43 pm

DUB

SDF

11h 43m

1 stop

$750KLM

Mon, Sep 7 - Tue, Sep 15

7:43 pm - 10:15 pm

SDF

DUB

21h 32m

2 stops

9:20 am - 8:36 pm

DUB

SDF

16h 16m

2 stops

$761Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

6:15 am - 7:45 am

SDF

DUB

20h 30m

2 stops

9:20 am - 10:22 pm

DUB

SDF

42h 02m

2 stops

$769Air Canada

Sun, Sep 13 - Tue, Sep 22

5:35 am - 7:45 am

SDF

DUB

21h 10m

2 stops

9:20 am - 7:19 pm

DUB

SDF

38h 59m

2 stops

$773Air Canada

Wed, Aug 12 - Wed, Aug 26

6:11 pm - 11:50 am

SDF

DUB

12h 39m

1 stop

9:40 am - 11:01 pm

DUB

SDF

18h 21m

2 stops

$775Finnair

Wed, Aug 12 - Wed, Aug 26

5:00 pm - 2:35 pm

SDF

DUB

16h 35m

2 stops

8:40 pm - 7:38 pm

DUB

SDF

26h 58m

2 stops

$777British Airways

Tue, Oct 20 - Sat, Oct 31

12:17 pm - 6:30 am

SDF

DUB

13h 13m

1 stop

9:30 am - 10:34 pm

DUB

SDF

18h 04m

1 stop

$778American Airlines

Tue, Sep 15 - Tue, Sep 22

6:00 am - 7:20 am

SDF

DUB

20h 20m

1 stop

9:20 am - 6:56 pm

DUB

SDF

14h 36m

2 stops

$783United Airlines

Sun, Aug 9 - Fri, Aug 21

10:05 am - 7:45 am

SDF

DUB

16h 40m

2 stops

9:20 am - 6:56 pm

DUB

SDF

14h 36m

2 stops

$787United Airlines

Wed, Aug 12 - Fri, Aug 21

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Finnair flights from Louisville to Dublin

Our best Finnair deals on Louisville to Dublin flight tickets

Finnair

Aug 12

SDF6:11 pmLouisville Intl

12h 39m

1 stop

DUB11:50 amDublin

Aug 26

DUB9:40 amDublin

18h 21m

2 stops

SDF11:01 pmLouisville Intl

$775

Finnair

May 7

SDF7:01 pmLouisville Intl

11h 49m

1 stop

DUB11:50 amDublin

May 12

DUB9:30 amDublin

19h 53m

1 stop

SDF12:23 amLouisville Intl

$810

Finnair

May 7

SDF7:01 pmLouisville Intl

11h 49m

1 stop

DUB11:50 amDublin

May 21

DUB9:30 amDublin

17h 49m

1 stop

SDF10:19 pmLouisville Intl

$862

United Airlines flights from Louisville to Dublin

Our best United Airlines deals on Louisville to Dublin flight tickets

United Airlines

Aug 9

SDF6:30 amLouisville Intl

20h 00m

1 stop

DUB7:30 amDublin

Aug 19

DUB9:20 amDublin

14h 36m

2 stops

SDF6:56 pmLouisville Intl

$783

United Airlines

Aug 12

SDF10:05 amLouisville Intl

16h 40m

2 stops

DUB7:45 amDublin

Aug 21

DUB9:20 amDublin

14h 36m

2 stops

SDF6:56 pmLouisville Intl

$787

United Airlines

Aug 11

SDF10:15 amLouisville Intl

16h 05m

2 stops

DUB7:20 amDublin

Aug 28

DUB9:20 amDublin

14h 36m

2 stops

SDF6:56 pmLouisville Intl

$788

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/7

7:08 pm-2:30 pm

2 stops14h 22m

Dublin

Tue 9/15

10:30 am-10:58 pm

2 stops17h 28m

$722

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/7

3:24 pm-8:45 am

1 stop12h 21m

Dublin

Tue 9/15

12:00 pm-6:43 pm

1 stop11h 43m

$750

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/7

7:43 pm-10:15 pm

2 stops21h 32m

Dublin

Tue 9/15

9:20 am-8:36 pm

2 stops16h 16m

$761

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 9/13

6:15 am-7:45 am

2 stops20h 30m

Dublin

Tue 9/22

9:20 am-10:22 pm

2 stops42h 02m

$769

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

5:35 am-7:45 am

2 stops21h 10m

Dublin

Wed 8/26

9:20 am-7:19 pm

2 stops38h 59m

$773

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

6:11 pm-11:50 am

1 stop12h 39m

Dublin

Wed 8/26

9:40 am-11:01 pm

2 stops18h 21m

$775

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 10/20

5:00 pm-2:35 pm

2 stops16h 35m

Dublin

Sat 10/31

8:40 pm-7:38 pm

2 stops26h 58m

$777

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/15

12:17 pm-6:30 am

1 stop13h 13m

Dublin

Tue 9/22

9:30 am-10:34 pm

1 stop18h 04m

$778

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 8/9

6:00 am-7:20 am

1 stop20h 20m

Dublin

Fri 8/21

9:20 am-6:56 pm

2 stops14h 36m

$783

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

10:05 am-7:45 am

2 stops16h 40m

Dublin

Fri 8/21

9:20 am-6:56 pm

2 stops14h 36m

$787

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 from Louisville 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 $732 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 17% 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 32m
Direct flights	None

The fastest flight from Louisville to Dublin takes 11h 32m

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

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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 11h 32m.
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 April 2026, there are 5 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 (35% of total bookings). The next most popular airlines are American Airlines (34%), Delta (18%), and KLM (8%).

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 $483	Free Cancellation	Rating 7.8 1,512 reviews	Search KLM flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.1 11,678 reviews	Search American Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,465 reviews	Search Delta flights
United Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 9,681 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $797	Free Cancellation	Rating 7.3 1,536 reviews	Search Aer Lingus flights

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Athlone

Dundalk

Bray

Kildare

Mullingar

Wicklow

Drogheda

Portmarnock

Arklow

Castleknock

Malahide

Leixlip

Carlingford

Cavan

Naas

Maynooth

Slane

Thurles

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 $450

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 8/7. 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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Finnair flights from Louisville to Dublin

Our best Finnair deals on Louisville to Dublin flight tickets

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Our best United Airlines 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 from Louisville 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

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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