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

KLM, Aer Lingus, 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 8 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 4 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.

$272 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.

9:55 am - 10:20 am

SDF

DUB

20h 25m

1 stop

8:00 am - 1:06 pm

DUB

SDF

33h 06m

2 stops

$458United Airlines

Mon, Mar 9 - Mon, Mar 16

1:58 pm - 9:55 am

SDF

DUB

15h 57m

2 stops

8:00 am - 1:06 pm

DUB

SDF

33h 06m

2 stops

$463United Airlines

Mon, Mar 9 - Mon, Mar 16

11:13 am - 9:40 am

SDF

DUB

17h 27m

2 stops

8:35 am - 9:30 pm

DUB

SDF

17h 55m

2 stops

$475British Airways

Tue, Apr 14 - Thu, Apr 23

9:50 am - 10:20 am

SDF

DUB

19h 30m

1 stop

8:00 am - 10:13 pm

DUB

SDF

18h 13m

2 stops

$481United Airlines

Sun, Mar 1 - Wed, Mar 11

3:33 pm - 7:45 am

SDF

DUB

11h 12m

1 stop

9:45 am - 11:09 pm

DUB

SDF

17h 24m

1 stop

$485KLM

Sun, Mar 1 - Wed, Mar 11

12:07 pm - 12:15 pm

SDF

DUB

19h 08m

2 stops

8:50 am - 9:26 pm

DUB

SDF

16h 36m

2 stops

$486Multiple Airlines

Sun, Mar 1 - Wed, Mar 11

8:05 am - 7:45 am

SDF

DUB

19h 40m

1 stop

10:45 am - 9:28 am

DUB

SDF

26h 43m

2 stops

$490Delta

Tue, Mar 17 - Tue, Mar 24

10:35 am - 9:35 am

SDF

DUB

18h 00m

1 stop

9:30 am - 7:24 pm

DUB

SDF

14h 54m

1 stop

$527American Airlines

Tue, Apr 14 - Thu, Apr 23

10:13 am - 7:45 am

SDF

DUB

17h 32m

1 stop

1:25 pm - 9:28 am

DUB

SDF

24h 03m

2 stops

$533Delta

Tue, Mar 17 - Tue, Mar 24

8:12 pm - 7:50 pm

SDF

ORK

18h 38m

2 stops

8:30 pm - 6:30 pm

ORK

SDF

27h 00m

2 stops

$784British Airways

Thu, Apr 2 - Sun, Apr 12

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

United Airlines

Mar 9

SDF9:55 amLouisville Intl

20h 25m

1 stop

DUB10:20 amDublin

Mar 16

DUB8:00 amDublin

33h 06m

2 stops

SDF1:06 pmLouisville Intl

$458

United Airlines

Mar 9

SDF1:58 pmLouisville Intl

15h 57m

2 stops

DUB9:55 amDublin

Mar 16

DUB8:00 amDublin

33h 06m

2 stops

SDF1:06 pmLouisville Intl

$463

United Airlines

Mar 1

SDF9:50 amLouisville Intl

19h 30m

1 stop

DUB10:20 amDublin

Mar 11

DUB8:00 amDublin

18h 13m

2 stops

SDF10:13 pmLouisville Intl

$481

British Airways flights from Louisville to Ireland

Our best British Airways deals on Louisville to Ireland flight tickets

British Airways

Apr 14

SDF11:13 amLouisville Intl

17h 27m

2 stops

DUB9:40 amDublin

Apr 23

DUB8:35 amDublin

17h 55m

2 stops

SDF9:30 pmLouisville Intl

$475

British Airways

Mar 9

SDF12:07 pmLouisville Intl

17h 43m

2 stops

DUB9:50 amDublin

Mar 16

DUB5:55 pmDublin

31h 31m

2 stops

SDF9:26 pmLouisville Intl

$550

British Airways

Apr 21

SDF12:11 pmLouisville Intl

16h 29m

2 stops

DUB9:40 amDublin

Apr 29

DUB8:35 amDublin

18h 33m

2 stops

SDF10:08 pmLouisville Intl

$556

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

9:55 am-10:20 am

1 stop20h 25m

Dublin

Mon 3/16

8:00 am-1:06 pm

2 stops33h 06m

$458

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

1:58 pm-9:55 am

2 stops15h 57m

Dublin

Mon 3/16

8:00 am-1:06 pm

2 stops33h 06m

$463

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 4/14

11:13 am-9:40 am

2 stops17h 27m

Dublin

Thu 4/23

8:35 am-9:30 pm

2 stops17h 55m

$475

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

9:50 am-10:20 am

1 stop19h 30m

Dublin

Wed 3/11

8:00 am-10:13 pm

2 stops18h 13m

$481

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

3:33 pm-7:45 am

1 stop11h 12m

Dublin

Wed 3/11

9:45 am-11:09 pm

1 stop17h 24m

$485

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

12:07 pm-12:15 pm

2 stops19h 08m

Dublin

Wed 3/11

8:50 am-9:26 pm

2 stops16h 36m

$486

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/17

8:05 am-7:45 am

1 stop19h 40m

Dublin

Tue 3/24

10:45 am-9:28 am

2 stops26h 43m

$490

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 4/14

10:35 am-9:35 am

1 stop18h 00m

Dublin

Thu 4/23

9:30 am-7:24 pm

1 stop14h 54m

$527

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/17

10:13 am-7:45 am

1 stop17h 32m

Dublin

Tue 3/24

1:25 pm-9:28 am

2 stops24h 03m

$533

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Thu 4/2

8:12 pm-7:50 pm

2 stops18h 38m

Cork

Sun 4/12

8:30 pm-6:30 pm

2 stops27h 00m

$784

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 $755 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 5% 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	10h 25m
Direct flights	None

The fastest flight from Louisville to Ireland takes 10h 25m

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 4 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 7.7 1,454 reviews	Search KLM flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.2 11,296 reviews	Search American Airlines flights
Delta	PriceFrom $504	Free Cancellation	Rating 7.9 8,205 reviews	Search Delta flights
United Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 9,296 reviews	Search United Airlines 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 $296

Flights to Shannon, Clarefrom $342

Flights to Corkfrom $394

Flights to Milltown (Kerry)from $548

Flights to Knockfrom $607

Flights to Donegalfrom $778

Cheap flights from Louisville to Ireland from $272

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 7/15. 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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Filter for what you want

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United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

British Airways flights from Louisville to Ireland

Our best British Airways 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?

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

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

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

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

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