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

Aer Lingus and British Airways 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 36% 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 September 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.

$350 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:59 pm - 8:45 amSDF Louisville Intl-DUB Dublin

13h 46m1 stop Atlanta Hartsfield-Jackson

9:40 am - 7:10 pmDUB Dublin-SDF Louisville Intl

14h 30m1 stop Atlanta Hartsfield-Jackson

$565KLM

Mon, Oct 19 - Wed, Nov 4

1:59 pm - 8:45 amSDF Louisville Intl-DUB Dublin

13h 46m1 stop Atlanta Hartsfield-Jackson

9:40 am - 7:10 pmDUB Dublin-SDF Louisville Intl

14h 30m1 stop Atlanta Hartsfield-Jackson

$566KLM

Mon, Oct 19 - Wed, Nov 4

1:59 pm - 10:00 amSDF Louisville Intl-DUB Dublin

15h 01m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

10:45 am - 9:13 pmDUB Dublin-SDF Louisville Intl

15h 28m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

$579Delta

Mon, Oct 19 - Wed, Nov 4

7:05 am - 8:45 amSDF Louisville Intl-DUB Dublin

20h 40m1 stop Atlanta Hartsfield-Jackson

10:45 am - 9:13 pmDUB Dublin-SDF Louisville Intl

15h 28m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

$579Delta

Mon, Oct 19 - Wed, Nov 4

12:53 pm - 8:45 amSDF Louisville Intl-DUB Dublin

14h 52m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

10:45 am - 10:35 pmDUB Dublin-SDF Louisville Intl

16h 50m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$622Air France

Wed, Feb 10 - Tue, Feb 16

12:53 pm - 8:45 amSDF Louisville Intl-DUB Dublin

14h 52m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

9:40 am - 10:35 pmDUB Dublin-SDF Louisville Intl

17h 55m1 stop Atlanta Hartsfield-Jackson

$622Air France

Mon, Feb 8 - Tue, Feb 16

5:25 am - 8:10 amSDF Louisville Intl-DUB Dublin

21h 45m1 stop Chicago O'Hare Intl

8:00 am - 5:30 pmDUB Dublin-SDF Louisville Intl

37h 30m2 stops Toronto Pearson Intl Newark

$680United Airlines

Wed, Mar 10 - Mon, Mar 22

7:45 pm - 8:10 amSDF Louisville Intl-DUB Dublin

31h 25m1 stop Chicago O'Hare Intl

8:00 am - 5:30 pmDUB Dublin-SDF Louisville Intl

37h 30m2 stops Toronto Pearson Intl Newark

$680United Airlines

Sat, Mar 13 - Sun, Mar 21

11:08 am - 8:40 amSDF Louisville Intl-DUB Dublin

16h 32m1 stop Philadelphia

11:30 am - 10:30 pmDUB Dublin-SDF Louisville Intl

16h 00m1 stop Philadelphia

$756American Airlines

Wed, Nov 11 - Sat, Nov 21

11:08 am - 8:40 amSDF Louisville Intl-DUB Dublin

16h 32m1 stop Philadelphia

11:30 am - 10:03 pmDUB Dublin-SDF Louisville Intl

15h 33m1 stop Philadelphia

$756American Airlines

Thu, Nov 5 - Fri, Nov 13

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Delta flights from Louisville to Ireland

Our best Delta deals on Louisville to Ireland flight tickets

Delta

Oct 19

SDF7:05 amLouisville Intl

20h 40m

1 stop

DUB8:45 amDublin

Nov 4

DUB10:45 amDublin

15h 28m

2 stops

SDF9:13 pmLouisville Intl

$579

Delta

Mar 9

SDF12:53 pmLouisville Intl

13h 52m

1 stop

DUB7:45 amDublin

Mar 24

DUB9:40 amDublin

13h 21m

1 stop

SDF7:01 pmLouisville Intl

$580

Delta

Mar 9

SDF3:24 pmLouisville Intl

11h 21m

1 stop

DUB7:45 amDublin

Mar 23

DUB9:40 amDublin

29h 56m

1 stop

SDF11:36 amLouisville Intl

$586

KLM flights from Louisville to Ireland

Our best KLM deals on Louisville to Ireland flight tickets

KLM

Oct 19

SDF1:59 pmLouisville Intl

13h 46m

1 stop

DUB8:45 amDublin

Nov 4

DUB9:40 amDublin

14h 30m

1 stop

SDF7:10 pmLouisville Intl

$565

KLM

Oct 19

SDF1:59 pmLouisville Intl

13h 46m

1 stop

DUB8:45 amDublin

Nov 4

DUB9:40 amDublin

14h 30m

1 stop

SDF7:10 pmLouisville Intl

$566

KLM

Feb 8

SDF12:53 pmLouisville Intl

14h 52m

2 stops

DUB8:45 amDublin

Feb 16

DUB10:45 amDublin

15h 06m

2 stops

SDF8:51 pmLouisville Intl

$622

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 10/19

1:59 pm-8:45 am

1 stop13h 46m

Dublin

Wed 11/4

9:40 am-7:10 pm

1 stop14h 30m

$565

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 10/19

1:59 pm-8:45 am

1 stop13h 46m

Dublin

Wed 11/4

9:40 am-7:10 pm

1 stop14h 30m

$566

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 10/19

1:59 pm-10:00 am

2 stops15h 01m

Dublin

Wed 11/4

10:45 am-9:13 pm

2 stops15h 28m

$579

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 10/19

7:05 am-8:45 am

1 stop20h 40m

Dublin

Wed 11/4

10:45 am-9:13 pm

2 stops15h 28m

$579

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/10

12:53 pm-8:45 am

2 stops14h 52m

Dublin

Tue 2/16

10:45 am-10:35 pm

2 stops16h 50m

$622

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 2/8

12:53 pm-8:45 am

2 stops14h 52m

Dublin

Tue 2/16

9:40 am-10:35 pm

1 stop17h 55m

$622

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 3/10

5:25 am-8:10 am

1 stop21h 45m

Dublin

Mon 3/22

8:00 am-5:30 pm

2 stops37h 30m

$680

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sat 3/13

7:45 pm-8:10 am

1 stop31h 25m

Dublin

Sun 3/21

8:00 am-5:30 pm

2 stops37h 30m

$680

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 11/11

11:08 am-8:40 am

1 stop16h 32m

Dublin

Sat 11/21

11:30 am-10:30 pm

1 stop16h 00m

$756

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Thu 11/5

11:08 am-8:40 am

1 stop16h 32m

Dublin

Fri 11/13

11:30 am-10:03 pm

1 stop15h 33m

$756

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 $483. If you aren’t able to travel to Ireland during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $520.

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

Best Price Found	$350
Fastest flight time	13h 46m
Direct flights	None

The best one-way flight to Ireland from Louisville in the past 72 hours is $350. The best round-trip flight deal from Louisville to Ireland found on momondo in the last 72 hours is $565.

The fastest flight from Louisville to Ireland takes 13h 46m

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 September 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 1,577 reviews	Search KLM flights
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.1 12,049 reviews	Search American Airlines flights
United Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 10,211 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $963	Free Cancellation	Rating 7.3 1,758 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

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Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $356

Flights to Shannon, Clarefrom $430

Flights to Corkfrom $533

Flights to Knockfrom $908

Flights to Milltown (Kerry)from $723

Flights to Donegalfrom $941

Cheap flights from Louisville to Ireland from $350

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 12/2. 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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Delta flights from Louisville to Ireland

Our best Delta deals on Louisville to Ireland flight tickets

KLM flights from Louisville to Ireland

Our best KLM 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?

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

Best Price Found

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