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

American Airlines, United Airlines, 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 34% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 7 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 October 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.

$319 Cheap Flights from Louisville to Ireland in 2026/27

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.

8:50 am - 8:10 amSDF Louisville Intl-DUB Dublin

18h 20m1 stop Chicago O'Hare Intl

9:00 am - 6:04 pmDUB Dublin-SDF Louisville Intl

38h 04m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$691United Airlines

Sun, Feb 7 - Thu, Feb 11

2:05 pm - 8:10 amSDF Louisville Intl-DUB Dublin

13h 05m1 stop Chicago O'Hare Intl

9:00 am - 6:57 pmDUB Dublin-SDF Louisville Intl

38h 57m2 stops Toronto Pearson Intl Newark

$691Multiple Airlines

Sun, Feb 7 - Thu, Feb 11

2:20 pm - 10:20 amSDF Louisville Intl-DUB Dublin

15h 00m1 stop Washington, D.C. Dulles Intl

9:00 am - 6:04 pmDUB Dublin-SDF Louisville Intl

38h 04m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$691Multiple Airlines

Wed, Feb 24 - Tue, Mar 2

5:43 pm - 8:10 amSDF Louisville Intl-DUB Dublin

33h 27m1 stop Chicago O'Hare Intl

9:00 am - 11:55 pmDUB Dublin-SDF Louisville Intl

43h 55m3 stops Toronto Pearson Intl Ottawa Chicago O'Hare Intl

$692United Airlines

Sun, Feb 7 - Thu, Feb 11

10:58 am - 8:30 amSDF Louisville Intl-DUB Dublin

16h 32m1 stop Philadelphia

11:30 am - 11:13 pmDUB Dublin-SDF Louisville Intl

16h 43m1 stop Philadelphia

$711American Airlines

Wed, Feb 24 - Tue, Mar 2

11:40 am - 8:30 amSDF Louisville Intl-DUB Dublin

15h 50m1 stop Philadelphia

11:30 am - 11:13 pmDUB Dublin-SDF Louisville Intl

16h 43m1 stop Philadelphia

$711American Airlines

Sun, Feb 7 - Thu, Feb 11

5:00 pm - 8:45 amSDF Louisville Intl-DUB Dublin

11h 45m1 stop New York LaGuardia

5:45 am - 8:51 pmDUB Dublin-SDF Louisville Intl

19h 06m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$723Delta

Wed, Mar 17 - Wed, Mar 24

5:00 pm - 8:45 amSDF Louisville Intl-DUB Dublin

11h 45m1 stop New York LaGuardia

8:50 am - 10:55 pmDUB Dublin-SDF Louisville Intl

18h 05m2 stops Amsterdam Schiphol Minneapolis St Paul

$723Delta

Tue, Mar 16 - Wed, Mar 24

5:20 pm - 8:20 amSDF Louisville Intl-DUB Dublin

10h 00m1 stop Boston Logan Intl

8:40 pm - 10:34 pmDUB Dublin-SDF Louisville Intl

30h 54m2 stops London Heathrow Philadelphia

$3,383Aer Lingus

Tue, Dec 1 - Mon, Dec 7

10:01 am - 9:30 amSDF Louisville Intl-DUB Dublin

18h 29m1 stop Chicago O'Hare Intl

8:40 pm - 9:37 pmDUB Dublin-SDF Louisville Intl

29h 57m2 stops London Heathrow Chicago O'Hare Intl

$3,445Aer Lingus

Tue, Dec 1 - Mon, Dec 7

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United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

United Airlines

Feb 7

SDF8:50 amLouisville Intl

18h 20m

1 stop

DUB8:10 amDublin

Feb 11

DUB9:00 amDublin

38h 04m

2 stops

SDF6:04 pmLouisville Intl

$691

United Airlines

Feb 7

SDF5:43 pmLouisville Intl

33h 27m

1 stop

DUB8:10 amDublin

Feb 11

DUB9:00 amDublin

43h 55m

3 stops

SDF11:55 pmLouisville Intl

$692

United Airlines

Feb 7

SDF8:50 amLouisville Intl

17h 20m

3 stops

DUB7:10 amDublin

Feb 11

DUB9:00 amDublin

38h 04m

2 stops

SDF6:04 pmLouisville Intl

$694

Lufthansa flights from Louisville to Ireland

Our best Lufthansa deals on Louisville to Ireland flight tickets

Lufthansa

Apr 6

SDF7:32 pmLouisville Intl

16h 23m

2 stops

DUB4:55 pmDublin

Apr 13

DUB5:55 amDublin

15h 54m

2 stops

SDF4:49 pmLouisville Intl

$702

Lufthansa

Mar 10

SDF10:46 amLouisville Intl

16h 24m

1 stop

DUB8:10 amDublin

Mar 23

DUB12:05 pmDublin

11h 29m

1 stop

SDF7:34 pmLouisville Intl

$767

Lufthansa

Jan 7

SDF9:50 amLouisville Intl

20h 20m

3 stops

ORK11:10 amCork

May 12

ORK8:30 pmCork

32h 25m

2 stops

SDF11:55 pmLouisville Intl

$1,120

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 2/7

8:50 am-8:10 am

1 stop18h 20m

Dublin

Thu 2/11

9:00 am-6:04 pm

2 stops38h 04m

$691

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 2/7

2:05 pm-8:10 am

1 stop13h 05m

Dublin

Thu 2/11

9:00 am-6:57 pm

2 stops38h 57m

$691

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/24

2:20 pm-10:20 am

1 stop15h 00m

Dublin

Tue 3/2

9:00 am-6:04 pm

2 stops38h 04m

$691

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 2/7

5:43 pm-8:10 am

1 stop33h 27m

Dublin

Thu 2/11

9:00 am-11:55 pm

3 stops43h 55m

$692

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/24

10:58 am-8:30 am

1 stop16h 32m

Dublin

Tue 3/2

11:30 am-11:13 pm

1 stop16h 43m

$711

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 2/7

11:40 am-8:30 am

1 stop15h 50m

Dublin

Thu 2/11

11:30 am-11:13 pm

1 stop16h 43m

$711

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 3/17

5:00 pm-8:45 am

1 stop11h 45m

Dublin

Wed 3/24

5:45 am-8:51 pm

2 stops19h 06m

$723

Quickest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 3/16

5:00 pm-8:45 am

1 stop11h 45m

Dublin

Wed 3/24

8:50 am-10:55 pm

2 stops18h 05m

$723

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 12/1

5:20 pm-8:20 am

1 stop10h 00m

Dublin

Mon 12/7

8:40 pm-10:34 pm

2 stops30h 54m

$3,383

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 12/1

10:01 am-9:30 am

1 stop18h 29m

Dublin

Mon 12/7

8:40 pm-9:37 pm

2 stops29h 57m

$3,445

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 $517.

Can stopping save me money on Louisville to Ireland flights?

You could potentially save up to 33% 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	$319
Fastest flight time	15h 00m
Direct flights	None

The best one-way flight to Ireland from Louisville in the past 72 hours is $319. The best round-trip flight deal from Louisville to Ireland found on momondo in the last 72 hours is $691.

The fastest flight from Louisville to Ireland takes 15h 00m

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 October 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
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,659 reviews	Search Delta flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.0 12,183 reviews	Search American Airlines flights
United Airlines	PriceFrom $533	Free Cancellation	Rating 7.3 10,396 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $950	Free Cancellation	Rating 7.3 1,851 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

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Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $367

Flights to Shannon, Clarefrom $562

Flights to Corkfrom $496

Flights to Knockfrom $656

Flights to Milltown (Kerry)from $624

Flights to Donegalfrom $959

Cheap flights from Louisville to Ireland from $319

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 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Louisville to Ireland

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United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

Lufthansa flights from Louisville to Ireland

Our best Lufthansa 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