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

Aer Lingus, WestJet, and British Airways 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.

$324 Cheap Flights from Louisville to Ireland in 2026

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 Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:47 am - 8:15 am

SDF

DUB

18h 28m

2 stops

9:50 am - 8:16 pm

DUB

SDF

15h 26m

2 stops

$655Air Canada

Di, Apr 14 - Di, Apr 21

5:48 pm - 9:45 am

SDF

DUB

10h 57m

1 stop

9:50 am - 8:16 pm

DUB

SDF

15h 26m

2 stops

$656United Airlines

Di, Apr 14 - Di, Apr 21

2:30 pm - 10:40 am

SDF

DUB

15h 10m

1 stop

8:50 am - 2:47 pm

DUB

SDF

10h 57m

1 stop

$659United Airlines

Di, Apr 14 - Di, Apr 21

7:20 am - 8:15 am

SDF

DUB

19h 55m

2 stops

8:50 am - 11:12 pm

DUB

SDF

19h 22m

2 stops

$663Multiple Airlines

Di, Apr 14 - Di, Apr 21

2:20 pm - 7:30 am

SDF

DUB

12h 10m

1 stop

8:50 am - 6:35 pm

DUB

SDF

14h 45m

2 stops

$664United Airlines

Mi, Apr 29 - Mi, Mai 6

6:00 pm - 7:45 am

SDF

DUB

32h 45m

2 stops

9:50 am - 7:19 pm

DUB

SDF

14h 29m

2 stops

$686Air Canada

Sa, Aug 22 - Sa, Aug 29

5:48 pm - 4:30 pm

SDF

ORK

17h 42m

2 stops

5:05 pm - 10:30 pm

ORK

SDF

34h 25m

2 stops

$786Lufthansa

So, Apr 5 - Mo, Apr 13

7:45 am - 10:20 am

SDF

ORK

21h 35m

2 stops

10:50 am - 10:48 pm

ORK

SDF

16h 58m

2 stops

$905Delta

Fr, Apr 3 - Mo, Apr 13

3:22 pm - 10:45 am

SDF

ORK

14h 23m

2 stops

8:30 pm - 10:08 pm

ORK

SDF

30h 38m

2 stops

$1,228British Airways

Di, Jun 30 - Di, Jul 7

3:33 pm - 10:45 am

SDF

ORK

14h 12m

2 stops

11:25 am - 12:25 am

ORK

SDF

18h 00m

2 stops

$1,367British Airways

Sa, Apr 4 - So, Apr 12

Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets

Air Canada

Apr 14

SDF8:47 amLouisville Intl

18h 28m

2 stops

DUB8:15 amDublin

Apr 21

DUB9:50 amDublin

15h 26m

2 stops

SDF8:16 pmLouisville Intl

$655

Air Canada

Aug 22

SDF6:00 pmLouisville Intl

32h 45m

2 stops

DUB7:45 amDublin

Aug 29

DUB9:50 amDublin

14h 29m

2 stops

SDF7:19 pmLouisville Intl

$686

Air Canada

Sep 5

SDF1:48 pmLouisville Intl

36h 57m

2 stops

DUB7:45 amDublin

Sep 12

DUB9:20 amDublin

16h 16m

2 stops

SDF8:36 pmLouisville Intl

$691

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

United Airlines

Mar 22

SDF8:15 amLouisville Intl

21h 40m

1 stop

DUB9:55 amDublin

Apr 7

DUB8:50 amDublin

10h 57m

1 stop

SDF2:47 pmLouisville Intl

$648

United Airlines

Apr 14

SDF5:48 pmLouisville Intl

10h 57m

1 stop

DUB9:45 amDublin

Apr 21

DUB9:50 amDublin

15h 26m

2 stops

SDF8:16 pmLouisville Intl

$656

United Airlines

Apr 14

SDF2:30 pmLouisville Intl

15h 10m

1 stop

DUB10:40 amDublin

Apr 21

DUB8:50 amDublin

10h 57m

1 stop

SDF2:47 pmLouisville Intl

$659

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Di 4/14

8:47 am-8:15 am

2 stops18h 28m

Dublin

Di 4/21

9:50 am-8:16 pm

2 stops15h 26m

$655

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Di 4/14

5:48 pm-9:45 am

1 stop10h 57m

Dublin

Di 4/21

9:50 am-8:16 pm

2 stops15h 26m

$656

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Di 4/14

2:30 pm-10:40 am

1 stop15h 10m

Dublin

Di 4/21

8:50 am-2:47 pm

1 stop10h 57m

$659

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Di 4/14

7:20 am-8:15 am

2 stops19h 55m

Dublin

Di 4/21

8:50 am-11:12 pm

2 stops19h 22m

$663

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mi 4/29

2:20 pm-7:30 am

1 stop12h 10m

Dublin

Mi 5/6

8:50 am-6:35 pm

2 stops14h 45m

$664

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sa 8/22

6:00 pm-7:45 am

2 stops32h 45m

Dublin

Sa 8/29

9:50 am-7:19 pm

2 stops14h 29m

$686

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

So 4/5

5:48 pm-4:30 pm

2 stops17h 42m

Cork

Mo 4/13

5:05 pm-10:30 pm

2 stops34h 25m

$786

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Fr 4/3

7:45 am-10:20 am

2 stops21h 35m

Cork

Mo 4/13

10:50 am-10:48 pm

2 stops16h 58m

$905

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Di 6/30

3:22 pm-10:45 am

2 stops14h 23m

Cork

Di 7/7

8:30 pm-10:08 pm

2 stops30h 38m

$1,228

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sa 4/4

3:33 pm-10:45 am

2 stops14h 12m

Cork

So 4/12

11:25 am-12:25 am

2 stops18h 00m

$1,367

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	11h 54m
Direct flights	None

The fastest flight from Louisville to Ireland takes 11h 54m

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 1,473 reviews	Search KLM flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.1 11,467 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $491	Free Cancellation	Rating 7.3 1,719 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,288 reviews	Search Delta flights
United Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 9,432 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $797	Free Cancellation	Rating 7.2 1,477 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Do 4/16

Do 4/23

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

Popular cities

Other flights from Louisville

Other flights to Ireland

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $384

Flights to Shannon, Clarefrom $454

Flights to Corkfrom $560

Flights to Milltown (Kerry)from $610

Flights to Knockfrom $732

Flights to Donegalfrom $661

Cheap flights from Louisville to Ireland from $412

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 6/11. 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 Ireland

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

momondo Fare Finder

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