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

Delta, United Airlines, and Air Canada 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 48% 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.

$348 Cheap Flights from Louisville to Ireland in 2026

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Find the cheapest flights from Louisville to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:35 pm - 12:55 pm

SDF

DUB

15h 20m

2 stops

8:30 pm - 6:31 pm

DUB

SDF

27h 01m

2 stops

$743British Airways

Wed, May 6 - Mon, May 11

4:30 pm - 9:35 am

SDF

DUB

12h 05m

1 stop

1:45 pm - 10:31 pm

DUB

SDF

13h 46m

1 stop

$771American Airlines

Sun, Apr 26 - Tue, May 12

5:48 pm - 9:45 am

SDF

DUB

10h 57m

1 stop

9:50 am - 11:59 pm

DUB

SDF

19h 09m

2 stops

$795United Airlines

Sun, Apr 26 - Tue, May 12

7:20 am - 8:15 am

SDF

DUB

19h 55m

2 stops

8:50 am - 10:22 pm

DUB

SDF

18h 32m

2 stops

$802Multiple Airlines

Sun, Apr 26 - Tue, May 12

9:55 am - 7:20 am

SDF

DUB

16h 25m

1 stop

9:20 am - 8:17 pm

DUB

SDF

15h 57m

2 stops

$806United Airlines

Sun, Apr 26 - Wed, May 6

2:30 pm - 4:55 pm

SDF

DUB

21h 25m

2 stops

6:05 am - 10:22 pm

DUB

SDF

21h 17m

2 stops

$812Lufthansa

Sun, Apr 26 - Fri, May 8

5:48 pm - 4:50 pm

SDF

DUB

18h 02m

2 stops

8:50 am - 11:56 pm

DUB

SDF

20h 06m

2 stops

$824Lufthansa

Mon, Apr 27 - Tue, May 5

12:20 pm - 7:50 pm

SDF

ORK

26h 30m

2 stops

7:10 am - 11:08 pm

ORK

SDF

20h 58m

2 stops

$1,123Multiple Airlines

Fri, May 22 - Wed, Jun 3

4:40 pm - 2:40 pm

SDF

ORK

17h 00m

2 stops

3:10 pm - 10:58 am

ORK

SDF

24h 48m

2 stops

$1,360Delta

Sun, Jun 21 - Sun, Jun 28

4:40 pm - 2:40 pm

SDF

ORK

17h 00m

2 stops

5:10 pm - 12:06 pm

ORK

SDF

47h 56m

2 stops

$1,362Delta

Sun, Jun 21 - Sat, Jun 27

British Airways flights from Louisville to Ireland

Our best British Airways deals on Louisville to Ireland flight tickets

British Airways

May 6

SDF4:35 pmLouisville Intl

15h 20m

2 stops

DUB12:55 pmDublin

May 11

DUB8:30 pmDublin

27h 01m

2 stops

SDF6:31 pmLouisville Intl

$743

British Airways

May 13

SDF4:35 pmLouisville Intl

21h 55m

2 stops

DUB7:30 pmDublin

May 18

DUB8:30 pmDublin

27h 01m

2 stops

SDF6:31 pmLouisville Intl

$790

British Airways

May 7

SDF7:01 pmLouisville Intl

19h 19m

2 stops

DUB7:20 pmDublin

May 12

DUB10:30 amDublin

18h 53m

2 stops

SDF12:23 amLouisville Intl

$793

American Airlines flights from Louisville to Ireland

Our best American Airlines deals on Louisville to Ireland flight tickets

American Airlines

Apr 26

SDF4:30 pmLouisville Intl

12h 05m

1 stop

DUB9:35 amDublin

May 12

DUB1:45 pmDublin

13h 46m

1 stop

SDF10:31 pmLouisville Intl

$771

American Airlines

May 12

SDF6:41 pmLouisville Intl

9h 54m

1 stop

DUB9:35 amDublin

May 19

DUB9:30 amDublin

11h 35m

1 stop

SDF4:05 pmLouisville Intl

$830

American Airlines

May 6

SDF1:18 pmLouisville Intl

12h 12m

1 stop

DUB6:30 amDublin

May 11

DUB1:45 pmDublin

13h 23m

2 stops

SDF10:08 pmLouisville Intl

$836

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 5/6

4:35 pm-12:55 pm

2 stops15h 20m

Dublin

Mon 5/11

8:30 pm-6:31 pm

2 stops27h 01m

$743

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 4/26

4:30 pm-9:35 am

1 stop12h 05m

Dublin

Tue 5/12

1:45 pm-10:31 pm

1 stop13h 46m

$771

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 4/26

5:48 pm-9:45 am

1 stop10h 57m

Dublin

Tue 5/12

9:50 am-11:59 pm

2 stops19h 09m

$795

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 4/26

7:20 am-8:15 am

2 stops19h 55m

Dublin

Tue 5/12

8:50 am-10:22 pm

2 stops18h 32m

$802

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 4/26

9:55 am-7:20 am

1 stop16h 25m

Dublin

Wed 5/6

9:20 am-8:17 pm

2 stops15h 57m

$806

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 4/26

2:30 pm-4:55 pm

2 stops21h 25m

Dublin

Fri 5/8

6:05 am-10:22 pm

2 stops21h 17m

$812

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 4/27

5:48 pm-4:50 pm

2 stops18h 02m

Dublin

Tue 5/5

8:50 am-11:56 pm

2 stops20h 06m

$824

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Fri 5/22

12:20 pm-7:50 pm

2 stops26h 30m

Cork

Wed 6/3

7:10 am-11:08 pm

2 stops20h 58m

$1,123

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sun 6/21

4:40 pm-2:40 pm

2 stops17h 00m

Cork

Sun 6/28

3:10 pm-10:58 am

2 stops24h 48m

$1,360

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sun 6/21

4:40 pm-2:40 pm

2 stops17h 00m

Cork

Sat 6/27

5:10 pm-12:06 pm

2 stops47h 56m

$1,362

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 7% 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	11h 37m
Direct flights	None

The fastest flight from Louisville to Ireland takes 11h 37m

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 $483	Free Cancellation	Rating 7.8 1,480 reviews	Search KLM flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.1 11,543 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $491	Free Cancellation	Rating 7.3 1,731 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,364 reviews	Search Delta flights
United Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 9,525 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $797	Free Cancellation	Rating 7.2 1,493 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 $472

Flights to Shannon, Clarefrom $528

Flights to Corkfrom $570

Flights to Milltown (Kerry)from $837

Flights to Knockfrom $830

Flights to Donegalfrom $920

Cheap flights from Louisville to Ireland from $348

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 9/1. 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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British Airways flights from Louisville to Ireland

Our best British Airways deals on Louisville to Ireland flight tickets

American Airlines flights from Louisville to Ireland

Our best American Airlines deals on Louisville to Ireland flight tickets

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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