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

American 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 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.

$546 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.

1:48 pm - 7:45 am

SDF

DUB

36h 57m

2 stops

9:50 am - 7:19 pm

DUB

SDF

14h 29m

2 stops

$546Air Canada

Tue, Aug 11 - Thu, Aug 20

1:58 pm - 10:20 am

SDF

DUB

16h 22m

2 stops

9:30 am - 10:13 pm

DUB

SDF

16h 43m

2 stops

$558United Airlines

Tue, Mar 17 - Tue, Mar 24

6:26 pm - 10:00 am

SDF

DUB

10h 34m

1 stop

12:00 pm - 6:43 pm

DUB

SDF

11h 43m

1 stop

$560KLM

Tue, Aug 11 - Thu, Aug 20

7:01 pm - 5:15 pm

SDF

DUB

17h 14m

2 stops

9:30 am - 9:41 pm

DUB

SDF

17h 11m

1 stop

$590Finnair

Wed, Apr 8 - Thu, Apr 23

1:58 pm - 6:10 am

SDF

DUB

36h 12m

2 stops

9:50 am - 4:41 pm

DUB

SDF

35h 51m

2 stops

$591Air Canada

Fri, Mar 20 - Wed, Apr 15

6:00 am - 7:20 am

SDF

DUB

20h 20m

1 stop

9:20 am - 12:05 am

DUB

SDF

19h 45m

3 stops

$596United Airlines

Tue, Aug 25 - Sat, Sep 5

7:01 pm - 5:15 pm

SDF

DUB

17h 14m

2 stops

9:40 am - 11:48 pm

DUB

SDF

19h 08m

2 stops

$600Finnair

Wed, Apr 8 - Thu, Apr 23

1:48 pm - 7:20 am

SDF

DUB

12h 32m

1 stop

9:50 am - 7:19 pm

DUB

SDF

14h 29m

2 stops

$602United Airlines

Tue, Aug 25 - Sat, Sep 5

1:47 pm - 9:55 am

SDF

DUB

16h 08m

1 stop

1:35 pm - 11:59 pm

DUB

SDF

14h 24m

1 stop

$603Lufthansa

Tue, Mar 17 - Tue, Mar 24

2:15 pm - 10:00 am

SDF

DUB

14h 45m

1 stop

12:00 pm - 10:50 pm

DUB

SDF

15h 50m

1 stop

$605KLM

Tue, Aug 25 - Sat, Sep 5

Lufthansa flights from Louisville to Ireland

Our best Lufthansa deals on Louisville to Ireland flight tickets

Lufthansa

Mar 17

SDF1:47 pmLouisville Intl

16h 08m

1 stop

DUB9:55 amDublin

Mar 24

DUB1:35 pmDublin

14h 24m

1 stop

SDF11:59 pmLouisville Intl

$603

Lufthansa

Mar 17

SDF2:35 pmLouisville Intl

15h 45m

1 stop

DUB10:20 amDublin

Mar 24

DUB9:30 amDublin

18h 29m

1 stop

SDF11:59 pmLouisville Intl

$607

Lufthansa

Mar 20

SDF1:47 pmLouisville Intl

13h 43m

1 stop

DUB7:30 amDublin

Apr 15

DUB11:35 amDublin

13h 41m

1 stop

SDF8:16 pmLouisville Intl

$659

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

$562

Delta

Mar 11

SDF1:56 pmLouisville Intl

18h 44m

2 stops

DUB12:40 pmDublin

Mar 18

DUB9:45 amDublin

15h 31m

1 stop

SDF9:16 pmLouisville Intl

$614

Delta

Mar 17

SDF5:55 pmLouisville Intl

14h 45m

2 stops

DUB12:40 pmDublin

Mar 24

DUB10:45 amDublin

26h 43m

2 stops

SDF9:28 amLouisville Intl

$644

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/11

1:48 pm-7:45 am

2 stops36h 57m

Dublin

Thu 8/20

9:50 am-7:19 pm

2 stops14h 29m

$546

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/17

1:58 pm-10:20 am

2 stops16h 22m

Dublin

Tue 3/24

9:30 am-10:13 pm

2 stops16h 43m

$558

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/11

6:26 pm-10:00 am

1 stop10h 34m

Dublin

Thu 8/20

12:00 pm-6:43 pm

1 stop11h 43m

$560

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 4/8

7:01 pm-5:15 pm

2 stops17h 14m

Dublin

Thu 4/23

9:30 am-9:41 pm

1 stop17h 11m

$590

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 3/20

1:58 pm-6:10 am

2 stops36h 12m

Dublin

Wed 4/15

9:50 am-4:41 pm

2 stops35h 51m

$591

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/25

6:00 am-7:20 am

1 stop20h 20m

Dublin

Sat 9/5

9:20 am-12:05 am

3 stops19h 45m

$596

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 4/8

7:01 pm-5:15 pm

2 stops17h 14m

Dublin

Thu 4/23

9:40 am-11:48 pm

2 stops19h 08m

$600

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/25

1:48 pm-7:20 am

1 stop12h 32m

Dublin

Sat 9/5

9:50 am-7:19 pm

2 stops14h 29m

$602

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/17

1:47 pm-9:55 am

1 stop16h 08m

Dublin

Tue 3/24

1:35 pm-11:59 pm

1 stop14h 24m

$603

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/25

2:15 pm-10:00 am

1 stop14h 45m

Dublin

Sat 9/5

12:00 pm-10:50 pm

1 stop15h 50m

$605

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $752 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	14h 12m
Direct flights	None

The fastest flight from Louisville to Ireland takes 14h 12m

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 1,467 reviews	Search KLM flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.1 11,393 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $491	Free Cancellation	Rating 7.3 1,703 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,260 reviews	Search Delta flights
United Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 9,403 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $797	Free Cancellation	Rating 7.2 1,471 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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Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $318

Flights to Shannon, Clarefrom $394

Flights to Corkfrom $440

Flights to Milltown (Kerry)from $567

Flights to Knockfrom $649

Flights to Donegalfrom $686

Cheap flights from Louisville to Ireland from $546

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Ireland departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Lufthansa flights from Louisville to Ireland

Our best Lufthansa deals on Louisville to Ireland flight tickets

Delta flights from Louisville to Ireland

Our best Delta 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