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

KLM, Iberia, and United Airlines are the most popular carriers operating from Louisville Intl to Ireland

What airlines fly to Ireland?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ireland from Louisville according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 9 different airlines that fly to Ireland 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 Ireland?

Prices for flights from Louisville Intl Airport to Ireland refresh daily.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Ireland.

What documentation or ID do you need to fly to Ireland?

The necessary travel and health documents for your Ireland 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.

$315 Cheap Flights from Louisville to Ireland in 2026

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Find the cheapest flights from Louisville to Ireland

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:11 pm - 11:50 am

SDF

DUB

11h 39m

1 stop

9:40 am - 11:01 pm

DUB

SDF

18h 21m

2 stops

$569Finnair

Tue, Jul 28 - Wed, Aug 26

7:11 pm - 11:50 am

SDF

DUB

11h 39m

1 stop

9:30 am - 11:01 pm

DUB

SDF

18h 31m

1 stop

$572Finnair

Tue, Jul 28 - Wed, Aug 26

6:00 am - 7:45 am

SDF

DUB

20h 45m

2 stops

9:50 am - 12:21 pm

DUB

SDF

31h 31m

2 stops

$581United Airlines

Wed, Aug 26 - Tue, Sep 1

5:10 pm - 5:00 pm

SDF

DUB

18h 50m

2 stops

7:45 pm - 5:41 pm

DUB

SDF

26h 56m

2 stops

$587British Airways

Tue, Jul 28 - Wed, Aug 26

1:55 pm - 8:15 am

SDF

DUB

13h 20m

2 stops

9:50 am - 7:59 pm

DUB

SDF

39h 09m

2 stops

$591Air Canada

Mon, Mar 30 - Thu, Apr 23

5:10 pm - 5:00 pm

SDF

DUB

18h 50m

2 stops

8:35 am - 11:01 pm

DUB

SDF

19h 26m

2 stops

$599British Airways

Tue, Jul 28 - Wed, Aug 26

5:35 am - 7:45 am

SDF

DUB

21h 10m

2 stops

9:20 am - 6:56 pm

DUB

SDF

14h 36m

2 stops

$600United Airlines

Wed, Aug 26 - Wed, Sep 2

2:00 pm - 10:45 am

SDF

DUB

15h 45m

1 stop

8:55 am - 11:59 pm

DUB

SDF

20h 04m

2 stops

$606Delta

Tue, Apr 21 - Tue, Apr 28

7:31 am - 6:30 am

SDF

DUB

17h 59m

1 stop

12:40 pm - 10:31 pm

DUB

SDF

14h 51m

1 stop

$610American Airlines

Tue, Apr 21 - Tue, Apr 28

3:10 pm - 2:40 pm

SDF

ORK

18h 30m

2 stops

6:15 am - 11:59 pm

ORK

SDF

22h 44m

2 stops

$686Scandinavian Airlines

Tue, Apr 21 - Tue, Apr 28

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

United Airlines

Aug 26

SDF6:00 amLouisville Intl

20h 45m

2 stops

DUB7:45 amDublin

Sep 1

DUB9:50 amDublin

31h 31m

2 stops

SDF12:21 pmLouisville Intl

$581

United Airlines

Aug 26

SDF5:35 amLouisville Intl

21h 10m

2 stops

DUB7:45 amDublin

Sep 2

DUB9:20 amDublin

14h 36m

2 stops

SDF6:56 pmLouisville Intl

$600

United Airlines

Apr 8

SDF2:30 pmLouisville Intl

11h 50m

1 stop

DUB7:20 amDublin

Apr 23

DUB9:50 amDublin

28h 20m

2 stops

SDF9:10 amLouisville Intl

$612

Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets

Air Canada

Mar 30

SDF1:55 pmLouisville Intl

13h 20m

2 stops

DUB8:15 amDublin

Apr 23

DUB9:50 amDublin

39h 09m

2 stops

SDF7:59 pmLouisville Intl

$591

Air Canada

Aug 1

SDF5:46 pmLouisville Intl

33h 29m

2 stops

DUB8:15 amDublin

Aug 22

DUB9:20 amDublin

32h 41m

2 stops

SDF1:01 pmLouisville Intl

$641

Air Canada

Jul 22

SDF7:10 amLouisville Intl

20h 05m

2 stops

DUB8:15 amDublin

Jul 29

DUB9:20 amDublin

36h 29m

2 stops

SDF4:49 pmLouisville Intl

$663

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 7/28

7:11 pm-11:50 am

1 stop11h 39m

Dublin

Wed 8/26

9:40 am-11:01 pm

2 stops18h 21m

$569

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 7/28

7:11 pm-11:50 am

1 stop11h 39m

Dublin

Wed 8/26

9:30 am-11:01 pm

1 stop18h 31m

$572

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/26

6:00 am-7:45 am

2 stops20h 45m

Dublin

Tue 9/1

9:50 am-12:21 pm

2 stops31h 31m

$581

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 7/28

5:10 pm-5:00 pm

2 stops18h 50m

Dublin

Wed 8/26

7:45 pm-5:41 pm

2 stops26h 56m

$587

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/30

1:55 pm-8:15 am

2 stops13h 20m

Dublin

Thu 4/23

9:50 am-7:59 pm

2 stops39h 09m

$591

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 7/28

5:10 pm-5:00 pm

2 stops18h 50m

Dublin

Wed 8/26

8:35 am-11:01 pm

2 stops19h 26m

$599

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/26

5:35 am-7:45 am

2 stops21h 10m

Dublin

Wed 9/2

9:20 am-6:56 pm

2 stops14h 36m

$600

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 4/21

2:00 pm-10:45 am

1 stop15h 45m

Dublin

Tue 4/28

8:55 am-11:59 pm

2 stops20h 04m

$606

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 4/21

7:31 am-6:30 am

1 stop17h 59m

Dublin

Tue 4/28

12:40 pm-10:31 pm

1 stop14h 51m

$610

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Tue 4/21

3:10 pm-2:40 pm

2 stops18h 30m

Cork

Tue 4/28

6:15 am-11:59 pm

2 stops22h 44m

$686

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 Ireland

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

What is the cheapest month to fly to Ireland?

In general, December is the cheapest month to fly from Louisville to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $507. If you aren’t able to travel to Ireland during the month of December, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $531.

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

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

Can stopping save me money on Louisville to Ireland flights?

You could potentially save up to 21% on your flight if you consider stops on a Louisville to Ireland flight.

Cheap Louisville to Ireland flight deals and tips

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

Fastest flight time	9h 49m
Direct flights	None

The fastest flight from Louisville to Ireland takes 9h 49m

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

Search flight deals

When did momondo last update prices for flights from Louisville Intl Airport to Ireland?
Prices for flights from Louisville Intl Airport to Ireland refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Ireland?
As of March 2026, there are 6 operators available to choose from for flights from Louisville Intl Airport to Ireland.
How old do you have to be to fly from Louisville Intl Airport to Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The necessary travel and health documents for your Ireland 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.

Best airlines flying from Louisville to Ireland

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

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $484	Free Cancellation	Rating 7.8 1,470 reviews	Search KLM flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.1 11,425 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $491	Free Cancellation	Rating 7.3 1,710 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,280 reviews	Search Delta flights
United Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 9,415 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $797	Free Cancellation	Rating 7.2 1,474 reviews	Search Aer Lingus flights

Why use momondo?

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

It is quick and easy to find Louisville to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

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

momondo does allow users to show only those flights to Ireland from Louisville which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Louisville and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Louisville to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ireland 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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Popular cities

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Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $305

Flights to Shannon, Clarefrom $424

Flights to Corkfrom $482

Flights to Milltown (Kerry)from $526

Flights to Knockfrom $689

Flights to Donegalfrom $706

Cheap flights from Louisville to Ireland from $315

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 Ireland departing on 7/7. 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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United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets

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

See travel insights to Ireland from

How to get the cheapest flight ticket from Louisville to Ireland

What is the cheapest month to fly to Ireland?

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

Can stopping save me money on Louisville to Ireland flights?

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

What airlines fly to Ireland?

Cheap Louisville to Ireland flight deals and tips

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

Fastest flight time

Direct flights

Best airlines flying from Louisville to Ireland

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

Why use momondo?

An easier way to manage your Ireland 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

Popular cities in Ireland

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

Louisville flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

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

Cabin classes currently available on flights to Ireland

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

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year