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

Aer Lingus, United Airlines, and KLM 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 February 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.

$415 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.

2:20 pm - 7:20 am

SDF

DUB

12h 00m

1 stop

9:20 am - 7:09 pm

DUB

SDF

14h 49m

2 stops

$526United Airlines

Wed, Aug 12 - Wed, Aug 26

11:13 am - 7:45 am

SDF

DUB

15h 32m

2 stops

9:20 am - 7:09 pm

DUB

SDF

14h 49m

2 stops

$530United Airlines

Wed, Aug 12 - Wed, Aug 26

5:45 pm - 8:10 am

SDF

DUB

10h 25m

1 stop

10:40 am - 10:13 pm

DUB

SDF

15h 33m

1 stop

$534United Airlines

Tue, Mar 17 - Tue, Mar 24

2:30 pm - 7:20 am

SDF

DUB

11h 50m

1 stop

9:50 am - 8:16 pm

DUB

SDF

15h 26m

2 stops

$537United Airlines

Wed, Apr 8 - Wed, Apr 15

7:31 am - 6:30 am

SDF

DUB

17h 59m

1 stop

11:45 am - 12:25 am

DUB

SDF

17h 40m

1 stop

$540American Airlines

Wed, Apr 8 - Wed, Apr 15

1:56 pm - 12:40 pm

SDF

DUB

18h 44m

2 stops

5:55 am - 9:16 pm

DUB

SDF

19h 21m

2 stops

$542Delta

Wed, Mar 11 - Wed, Mar 18

3:35 pm - 6:30 am

SDF

DUB

9h 55m

1 stop

12:40 pm - 10:08 pm

DUB

SDF

14h 28m

2 stops

$545American Airlines

Tue, Mar 31 - Wed, Apr 8

2:17 pm - 10:25 am

SDF

DUB

15h 08m

2 stops

5:55 am - 9:15 pm

DUB

SDF

20h 20m

2 stops

$546Delta

Tue, Mar 31 - Wed, Apr 8

11:00 am - 7:45 am

SDF

DUB

15h 45m

3 stops

9:20 am - 7:09 pm

DUB

SDF

14h 49m

2 stops

$548Multiple Airlines

Wed, Aug 12 - Wed, Aug 26

7:32 pm - 4:30 pm

SDF

ORK

15h 58m

2 stops

5:10 pm - 4:49 pm

ORK

SDF

52h 39m

2 stops

$610Lufthansa

Sun, Aug 16 - Sun, Aug 23

Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets

Air Canada

Mar 1

SDF5:35 amLouisville Intl

20h 35m

2 stops

DUB7:10 amDublin

Mar 11

DUB8:00 amDublin

33h 06m

2 stops

SDF1:06 pmLouisville Intl

$515

Air Canada

Mar 20

SDF1:58 pmLouisville Intl

36h 12m

2 stops

DUB6:10 amDublin

Apr 16

DUB9:50 amDublin

41h 40m

2 stops

SDF10:30 pmLouisville Intl

$591

Air Canada

Mar 20

SDF9:00 amLouisville Intl

41h 10m

2 stops

DUB6:10 amDublin

Apr 15

DUB9:50 amDublin

18h 22m

2 stops

SDF11:12 pmLouisville Intl

$615

Delta flights from Louisville to Ireland

Our best Delta deals on Louisville to Ireland flight tickets

Delta

Mar 11

SDF1:56 pmLouisville Intl

18h 44m

2 stops

DUB12:40 pmDublin

Mar 18

DUB5:55 amDublin

19h 21m

2 stops

SDF9:16 pmLouisville Intl

$542

Delta

Mar 31

SDF2:17 pmLouisville Intl

15h 08m

2 stops

DUB10:25 amDublin

Apr 8

DUB5:55 amDublin

20h 20m

2 stops

SDF9:15 pmLouisville Intl

$546

Delta

Mar 1

SDF8:55 amLouisville Intl

17h 50m

2 stops

DUB7:45 amDublin

Mar 11

DUB5:55 amDublin

22h 02m

2 stops

SDF11:57 pmLouisville Intl

$547

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

2:20 pm-7:20 am

1 stop12h 00m

Dublin

Wed 8/26

9:20 am-7:09 pm

2 stops14h 49m

$526

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

11:13 am-7:45 am

2 stops15h 32m

Dublin

Wed 8/26

9:20 am-7:09 pm

2 stops14h 49m

$530

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/17

5:45 pm-8:10 am

1 stop10h 25m

Dublin

Tue 3/24

10:40 am-10:13 pm

1 stop15h 33m

$534

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 4/8

2:30 pm-7:20 am

1 stop11h 50m

Dublin

Wed 4/15

9:50 am-8:16 pm

2 stops15h 26m

$537

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 4/8

7:31 am-6:30 am

1 stop17h 59m

Dublin

Wed 4/15

11:45 am-12:25 am

1 stop17h 40m

$540

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 3/11

1:56 pm-12:40 pm

2 stops18h 44m

Dublin

Wed 3/18

5:55 am-9:16 pm

2 stops19h 21m

$542

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/31

3:35 pm-6:30 am

1 stop9h 55m

Dublin

Wed 4/8

12:40 pm-10:08 pm

2 stops14h 28m

$545

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/31

2:17 pm-10:25 am

2 stops15h 08m

Dublin

Wed 4/8

5:55 am-9:15 pm

2 stops20h 20m

$546

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

11:00 am-7:45 am

3 stops15h 45m

Dublin

Wed 8/26

9:20 am-7:09 pm

2 stops14h 49m

$548

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sun 8/16

7:32 pm-4:30 pm

2 stops15h 58m

Cork

Sun 8/23

5:10 pm-4:49 pm

2 stops52h 39m

$610

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 $753 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 $566 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	12h 00m
Direct flights	None

The fastest flight from Louisville to Ireland takes 12h 00m

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 February 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 7.7 1,460 reviews	Search KLM flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.2 11,355 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $491	Free Cancellation	Rating 7.3 1,700 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,243 reviews	Search Delta flights
United Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 9,350 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $797	Free Cancellation	Rating 7.2 1,464 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

Sat 3/28

Sat 4/4

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 $294

Flights to Shannon, Clarefrom $354

Flights to Corkfrom $393

Flights to Milltown (Kerry)from $660

Flights to Knockfrom $649

Flights to Donegalfrom $767

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 4/28. 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

Delta flights from Louisville to Ireland

Our best Delta 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