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

Aer Lingus is the most popular carrier 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 35% 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.

$337 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.

6:14 pm - 2:05 pmSDF Louisville Intl-DUB Dublin

14h 51m2 stops Chicago O'Hare Intl London Heathrow

9:00 am - 9:35 pmDUB Dublin-SDF Louisville Intl

17h 35m2 stops London Heathrow Chicago O'Hare Intl

$705British Airways

Wed, Feb 17 - Wed, Feb 24

1:09 pm - 9:55 amSDF Louisville Intl-DUB Dublin

15h 46m2 stops Chicago O'Hare Intl London Heathrow

8:40 pm - 5:55 pmDUB Dublin-SDF Louisville Intl

26h 15m2 stops London Heathrow Dallas/Fort Worth

$705British Airways

Mon, Jan 25 - Mon, Feb 8

11:16 am - 8:30 amSDF Louisville Intl-DUB Dublin

16h 14m1 stop Philadelphia

11:30 am - 9:17 pmDUB Dublin-SDF Louisville Intl

14h 47m1 stop Philadelphia

$711American Airlines

Wed, Feb 17 - Wed, Feb 24

11:16 am - 8:30 amSDF Louisville Intl-DUB Dublin

16h 14m1 stop Philadelphia

11:30 am - 9:53 pmDUB Dublin-SDF Louisville Intl

15h 23m2 stops Philadelphia Charlotte Douglas

$715American Airlines

Wed, Feb 17 - Wed, Feb 24

10:15 am - 8:10 amSDF Louisville Intl-DUB Dublin

16h 55m1 stop Chicago O'Hare Intl

9:00 am - 4:54 pmDUB Dublin-SDF Louisville Intl

36h 54m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$723United Airlines

Sun, Feb 7 - Thu, Feb 11

6:00 pm - 8:10 amSDF Louisville Intl-DUB Dublin

33h 10m1 stop Chicago O'Hare Intl

9:00 am - 5:30 pmDUB Dublin-SDF Louisville Intl

37h 30m2 stops Toronto Pearson Intl Newark

$724United Airlines

Sat, Feb 27 - Thu, Mar 4

3:26 pm - 10:00 amSDF Louisville Intl-DUB Dublin

13h 34m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:45 am - 5:59 pmDUB Dublin-SDF Louisville Intl

16h 14m2 stops Amsterdam Schiphol Minneapolis St Paul

$810KLM

Tue, Oct 20 - Wed, Oct 28

1:59 pm - 10:45 amSDF Louisville Intl-DUB Dublin

15h 46m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

5:45 am - 5:18 pmDUB Dublin-SDF Louisville Intl

15h 33m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$810KLM

Wed, Oct 21 - Tue, Oct 27

1:20 pm - 10:45 amSDF Louisville Intl-DUB Dublin

16h 25m1 stop Boston Logan Intl

11:00 am - 7:10 pmDUB Dublin-SDF Louisville Intl

13h 10m1 stop Atlanta Hartsfield-Jackson

$818Delta

Wed, Oct 14 - Tue, Oct 20

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

13h 46m1 stop Atlanta Hartsfield-Jackson

1:15 pm - 11:59 pmDUB Dublin-SDF Louisville Intl

15h 44m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$818Delta

Wed, Oct 14 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

7:31 am - 6:30 amSDF Louisville Intl-DUB Dublin

17h 59m1 stop Philadelphia

9:30 am - 5:06 pmDUB Dublin-SDF Louisville Intl

12h 36m1 stop Philadelphia

$792American Airlines

Tue, Sep 8 - Tue, Sep 15

12:32 pm - 6:30 amSDF Louisville Intl-DUB Dublin

12h 58m1 stop Philadelphia

9:30 am - 7:10 pmDUB Dublin-SDF Louisville Intl

14h 40m2 stops Philadelphia Charlotte Douglas

$796American Airlines

Tue, Sep 8 - Tue, Sep 15

6:10 pm - 7:45 amSDF Louisville Intl-DUB Dublin

32h 35m2 stops Newark Montreal Pierre Elliott Trudeau Intl

9:20 am - 11:56 pmDUB Dublin-SDF Louisville Intl

19h 36m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$897Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

7:30 am - 6:30 amSDF Louisville Intl-DUB Dublin

18h 00m1 stop Philadelphia

9:30 am - 10:55 pmDUB Dublin-SDF Louisville Intl

18h 25m1 stop Philadelphia

$1,348American Airlines

Thu, Sep 10 - Sat, Sep 12

7:30 am - 6:30 amSDF Louisville Intl-DUB Dublin

18h 00m1 stop Philadelphia

9:30 am - 9:27 pmDUB Dublin-SDF Louisville Intl

16h 57m2 stops Philadelphia Washington, D.C. Reagan-National

$1,352American Airlines

Thu, Sep 10 - Sat, Sep 12

9:00 am - 7:20 amSDF Louisville Intl-DUB Dublin

17h 20m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

9:20 am - 8:09 pmDUB Dublin-SDF Louisville Intl

15h 49m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

$1,390Multiple Airlines

Thu, Sep 10 - Sat, Sep 12

1:50 pm - 1:30 pmSDF Louisville Intl-DUB Dublin

18h 40m3 stops Chicago O'Hare Intl Toronto Pearson Intl London Heathrow

9:20 am - 10:59 pmDUB Dublin-SDF Louisville Intl

18h 39m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Newark

$1,787Air Canada

Tue, Sep 8 - Tue, Sep 15

11:50 am - 11:05 amSDF Louisville Intl-DUB Dublin

18h 15m2 stops Baltimore/Washington Reykjavik Keflavik Intl

2:15 pm - 6:45 pmDUB Dublin-SDF Louisville Intl

33h 30m2 stops Reykjavik Keflavik Intl Denver Intl

$5,905Multiple Airlines

Thu, Sep 10 - Sat, Sep 12

1:46 pm - 9:45 amSDF Louisville Intl-DUB Dublin

14h 59m1 stop Chicago O'Hare Intl

11:35 am - 7:07 pmDUB Dublin-SDF Louisville Intl

12h 32m1 stop Chicago O'Hare Intl

$9,844Multiple Airlines

Thu, Sep 10 - Sat, Sep 12

10:29 am - 9:40 amSDF Louisville Intl-DUB Dublin

18h 11m2 stops Chicago O'Hare Intl London Heathrow

11:35 am - 10:33 pmDUB Dublin-SDF Louisville Intl

15h 58m1 stop Chicago O'Hare Intl

$10,439British Airways

Thu, Sep 10 - Sat, Sep 12

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British Airways flights from Louisville to Ireland

Our best British Airways deals on Louisville to Ireland flight tickets

British Airways

Jan 25

SDF1:09 pmLouisville Intl

15h 46m

2 stops

DUB9:55 amDublin

Feb 8

DUB8:40 pmDublin

26h 15m

2 stops

SDF5:55 pmLouisville Intl

$705

British Airways

Jan 19

SDF1:09 pmLouisville Intl

15h 31m

2 stops

DUB9:40 amDublin

Jan 25

DUB8:40 pmDublin

29h 56m

2 stops

SDF9:36 pmLouisville Intl

$749

British Airways

Oct 5

SDF6:08 pmLouisville Intl

19h 32m

2 stops

DUB6:40 pmDublin

Oct 12

DUB8:30 pmDublin

26h 57m

2 stops

SDF6:27 pmLouisville Intl

$807

American Airlines flights from Louisville to Ireland

Our best American Airlines deals on Louisville to Ireland flight tickets

American Airlines

Feb 17

SDF11:16 amLouisville Intl

16h 14m

1 stop

DUB8:30 amDublin

Feb 24

DUB11:30 amDublin

15h 23m

2 stops

SDF9:53 pmLouisville Intl

$715

American Airlines

Jan 19

SDF6:36 pmLouisville Intl

14h 44m

2 stops

DUB2:20 pmDublin

Jan 25

DUB11:30 amDublin

15h 35m

1 stop

SDF10:05 pmLouisville Intl

$753

American Airlines

Oct 30

SDF12:33 pmLouisville Intl

16h 07m

1 stop

DUB8:40 amDublin

Nov 13

DUB12:55 pmDublin

13h 04m

1 stop

SDF8:59 pmLouisville Intl

$756

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/17

6:14 pm-2:05 pm

2 stops14h 51m

Dublin

Wed 2/24

9:00 am-9:35 pm

2 stops17h 35m

$705

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 1/25

1:09 pm-9:55 am

2 stops15h 46m

Dublin

Mon 2/8

8:40 pm-5:55 pm

2 stops26h 15m

$705

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/17

11:16 am-8:30 am

1 stop16h 14m

Dublin

Wed 2/24

11:30 am-9:17 pm

1 stop14h 47m

$711

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/17

11:16 am-8:30 am

1 stop16h 14m

Dublin

Wed 2/24

11:30 am-9:53 pm

2 stops15h 23m

$715

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 2/7

10:15 am-8:10 am

1 stop16h 55m

Dublin

Thu 2/11

9:00 am-4:54 pm

2 stops36h 54m

$723

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sat 2/27

6:00 pm-8:10 am

1 stop33h 10m

Dublin

Thu 3/4

9:00 am-5:30 pm

2 stops37h 30m

$724

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 10/20

3:26 pm-10:00 am

2 stops13h 34m

Dublin

Wed 10/28

5:45 am-5:59 pm

2 stops16h 14m

$810

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 10/21

1:59 pm-10:45 am

2 stops15h 46m

Dublin

Tue 10/27

5:45 am-5:18 pm

2 stops15h 33m

$810

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 10/14

1:20 pm-10:45 am

1 stop16h 25m

Dublin

Tue 10/20

11:00 am-7:10 pm

1 stop13h 10m

$818

Quickest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 10/14

1:59 pm-8:45 am

1 stop13h 46m

Dublin

Tue 10/20

1:15 pm-11:59 pm

2 stops15h 44m

$818

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 November is also cheap. Prices for this month can be found on momondo for an average of $483.

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	$337
Fastest flight time	13h 05m
Direct flights	None

The best one-way flight to Ireland from Louisville in the past 72 hours is $337. The best round-trip flight deal from Louisville to Ireland found on momondo in the last 72 hours is $705.

The fastest flight from Louisville to Ireland takes 13h 05m

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 1,573 reviews	Search KLM flights
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,548 reviews	Search Delta flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights
United Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 10,178 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $963	Free Cancellation	Rating 7.3 1,751 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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Find better results for your trip to Ireland

Popular cities

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Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $354

Flights to Shannon, Clarefrom $579

Flights to Corkfrom $568

Flights to Knockfrom $743

Flights to Milltown (Kerry)from $723

Flights to Donegalfrom $937

Cheap flights from Louisville to Ireland from $337

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 10/1. 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

Cheap round-trip flights

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Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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British Airways flights from Louisville to Ireland

Our best British Airways deals on Louisville to Ireland flight tickets

American Airlines flights from Louisville to Ireland

Our best American Airlines 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