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

British Airways, Finnair, and Lufthansa are the most popular carriers operating from Louisville Intl to Ireland

What airlines fly to Ireland?

United Airlines, American Airlines and Aer Lingus 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 41% 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 June 2026, there are 5 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.

$326 Cheap Flights from Louisville to Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Ireland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 12:55 pm

SDF

DUB

14h 55m

2 stops

10:55 am - 10:59 pm

DUB

SDF

17h 04m

2 stops

$717British Airways

mié., oct. 21 - mar., nov. 3

1:18 pm - 9:45 am

SDF

DUB

15h 27m

1 stop

1:00 pm - 10:00 pm

DUB

SDF

14h 00m

1 stop

$719Finnair

mié., oct. 21 - mar., nov. 3

7:14 pm - 5:15 pm

SDF

DUB

17h 01m

2 stops

1:00 pm - 10:00 pm

DUB

SDF

14h 00m

1 stop

$727Finnair

mié., oct. 21 - mar., nov. 3

7:10 pm - 11:50 am

SDF

DUB

11h 40m

1 stop

12:40 pm - 10:17 pm

DUB

SDF

14h 37m

1 stop

$745Finnair

lun., ago. 3 - mié., ago. 19

2:20 pm - 10:20 am

SDF

DUB

15h 00m

1 stop

12:05 pm - 7:34 pm

DUB

SDF

12h 29m

1 stop

$775United Airlines

mar., dic. 1 - jue., dic. 3

1:55 pm - 9:55 am

SDF

DUB

15h 00m

2 stops

1:35 pm - 11:15 pm

DUB

SDF

14h 40m

1 stop

$779United Airlines

mar., dic. 1 - jue., dic. 3

9:00 am - 8:15 am

SDF

DUB

18h 15m

2 stops

9:20 am - 7:05 pm

DUB

SDF

38h 45m

2 stops

$786Air Canada

mar., sep. 1 - jue., sep. 10

1:02 pm - 2:40 pm

SDF

ORK

20h 38m

2 stops

10:50 am - 12:34 am

ORK

SDF

18h 44m

2 stops

$941Delta

lun., jul. 20 - vie., ago. 7

2:22 pm - 10:20 am

SDF

ORK

14h 58m

2 stops

6:15 am - 10:08 pm

ORK

SDF

20h 53m

2 stops

$945Delta

dom., jul. 26 - jue., ago. 6

7:55 pm - 4:30 pm

SDF

ORK

39h 35m

2 stops

5:05 pm - 7:18 pm

ORK

SDF

31h 13m

2 stops

$1,670Lufthansa

mié., jul. 22 - lun., ago. 3

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American Airlines flights from Louisville to Ireland

Our best American Airlines deals on Louisville to Ireland flight tickets

American Airlines

Oct 11

SDF3:59 pmLouisville Intl

12h 46m

1 stop

DUB9:45 amDublin

Oct 15

DUB9:30 amDublin

13h 21m

1 stop

SDF5:51 pmLouisville Intl

$778

American Airlines

Oct 29

SDF12:17 pmLouisville Intl

16h 13m

1 stop

DUB8:30 amDublin

Nov 2

DUB11:30 amDublin

15h 09m

1 stop

SDF9:39 pmLouisville Intl

$817

American Airlines

Aug 11

SDF6:30 pmLouisville Intl

12h 20m

1 stop

DUB11:50 amDublin

Aug 18

DUB9:30 amDublin

13h 30m

1 stop

SDF6:00 pmLouisville Intl

$824

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

United Airlines

Dec 1

SDF2:20 pmLouisville Intl

15h 00m

1 stop

DUB10:20 amDublin

Dec 3

DUB12:05 pmDublin

12h 29m

1 stop

SDF7:34 pmLouisville Intl

$775

United Airlines

Dec 1

SDF1:55 pmLouisville Intl

15h 00m

2 stops

DUB9:55 amDublin

Dec 3

DUB1:35 pmDublin

14h 40m

1 stop

SDF11:15 pmLouisville Intl

$779

United Airlines

Sep 1

SDF6:15 amLouisville Intl

20h 15m

1 stop

DUB7:30 amDublin

Sep 10

DUB9:20 amDublin

29h 37m

2 stops

SDF9:57 amLouisville Intl

$801

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mié. 10/21

5:00 pm-12:55 pm

2 stops14h 55m

Dublin

mar. 11/3

10:55 am-10:59 pm

2 stops17h 04m

$717

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mié. 10/21

1:18 pm-9:45 am

1 stop15h 27m

Dublin

mar. 11/3

1:00 pm-10:00 pm

1 stop14h 00m

$719

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mié. 10/21

7:14 pm-5:15 pm

2 stops17h 01m

Dublin

mar. 11/3

1:00 pm-10:00 pm

1 stop14h 00m

$727

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

lun. 8/3

7:10 pm-11:50 am

1 stop11h 40m

Dublin

mié. 8/19

12:40 pm-10:17 pm

1 stop14h 37m

$745

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mar. 12/1

2:20 pm-10:20 am

1 stop15h 00m

Dublin

jue. 12/3

12:05 pm-7:34 pm

1 stop12h 29m

$775

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mar. 12/1

1:55 pm-9:55 am

2 stops15h 00m

Dublin

jue. 12/3

1:35 pm-11:15 pm

1 stop14h 40m

$779

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

mar. 9/1

9:00 am-8:15 am

2 stops18h 15m

Dublin

jue. 9/10

9:20 am-7:05 pm

2 stops38h 45m

$786

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

lun. 7/20

1:02 pm-2:40 pm

2 stops20h 38m

Cork

vie. 8/7

10:50 am-12:34 am

2 stops18h 44m

$941

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

dom. 7/26

2:22 pm-10:20 am

2 stops14h 58m

Cork

jue. 8/6

6:15 am-10:08 pm

2 stops20h 53m

$945

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

mié. 7/22

7:55 pm-4:30 pm

2 stops39h 35m

Cork

lun. 8/3

5:05 pm-7:18 pm

2 stops31h 13m

$1,670

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 $411. If you aren’t able to travel to Ireland during the month of December, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $452.

Can stopping save me money on Louisville to Ireland flights?

You could potentially save up to 37% 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 40m
Direct flights	None

The fastest flight from Louisville to Ireland takes 11h 40m

There are no direct flights from Louisville to Ireland. There are no popular flight routes from Louisville to Ireland.

Search flight deals

Frequently asked questions about flying from Louisville to Ireland

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 June 2026, there are 5 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 1,530 reviews	Search KLM flights
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,416 reviews	Search Delta flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.1 11,699 reviews	Search American Airlines flights
United Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 9,861 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $963	Free Cancellation	Rating 7.3 1,605 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 in Ireland

Flights to Dublinfrom $323

Flights to Shannon, Clarefrom $599

Flights to Corkfrom $592

Flights to Knockfrom $829

Flights to Milltown (Kerry)from $771

Flights to Donegalfrom $626

Cheap flights from Louisville to Ireland from $326

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 10/4. 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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American Airlines flights from Louisville to Ireland

Our best American Airlines 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

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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?

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

Frequently asked questions about flying from Louisville to Ireland

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