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

United Airlines and American Airlines 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 November 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.

$326 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.

1:41 pm - 7:30 amSDF Louisville Intl-DUB Dublin

12h 49m1 stop Newark

9:00 am - 7:28 pmDUB Dublin-SDF Louisville Intl

39h 28m2 stops Toronto Pearson Intl Newark

$701United Airlines

Sun, Feb 7 - Thu, Feb 11

6:00 am - 7:30 amSDF Louisville Intl-DUB Dublin

20h 30m1 stop Newark

9:00 am - 4:32 pmDUB Dublin-SDF Louisville Intl

36h 32m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$701Multiple Airlines

Wed, Feb 24 - Tue, Mar 2

10:20 am - 7:30 amSDF Louisville Intl-DUB Dublin

16h 10m2 stops Chicago O'Hare Intl Newark

9:00 am - 7:28 pmDUB Dublin-SDF Louisville Intl

39h 28m2 stops Toronto Pearson Intl Newark

$705United Airlines

Sun, Feb 7 - Thu, Feb 11

7:17 am - 10:20 amSDF Louisville Intl-DUB Dublin

22h 03m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

9:00 am - 4:32 pmDUB Dublin-SDF Louisville Intl

36h 32m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$705Multiple Airlines

Wed, Feb 24 - Tue, Mar 2

10:55 am - 8:30 amSDF Louisville Intl-DUB Dublin

16h 35m1 stop Philadelphia

11:30 am - 8:21 pmDUB Dublin-SDF Louisville Intl

13h 51m1 stop Philadelphia

$721American Airlines

Wed, Feb 24 - Tue, Mar 2

10:55 am - 8:30 amSDF Louisville Intl-DUB Dublin

16h 35m1 stop Philadelphia

11:30 am - 8:21 pmDUB Dublin-SDF Louisville Intl

12h 51m1 stop Philadelphia

$721American Airlines

Mon, Mar 8 - Wed, Mar 17

7:00 am - 7:45 amSDF Louisville Intl-DUB Dublin

19h 45m1 stop Atlanta Hartsfield-Jackson

5:45 am - 7:01 pmDUB Dublin-SDF Louisville Intl

18h 16m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$723Delta

Tue, Mar 2 - Thu, Mar 11

6:36 am - 7:55 amSDF Louisville Intl-DUB Dublin

20h 19m1 stop Minneapolis St Paul

5:45 am - 7:01 pmDUB Dublin-SDF Louisville Intl

18h 16m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$723Delta

Sun, Mar 7 - Thu, Mar 11

5:56 pm - 9:30 amSDF Louisville Intl-DUB Dublin

10h 34m1 stop Chicago O'Hare Intl

12:55 pm - 8:21 pmDUB Dublin-SDF Louisville Intl

12h 26m1 stop Philadelphia

$1,014Aer Lingus

Sat, Mar 6 - Fri, Mar 12

6:14 pm - 9:30 amSDF Louisville Intl-DUB Dublin

10h 16m1 stop Chicago O'Hare Intl

11:30 am - 9:28 pmDUB Dublin-SDF Louisville Intl

13h 58m1 stop Chicago O'Hare Intl

$1,029Aer Lingus

Wed, Mar 3 - Sun, Mar 14

Cheap last minute flights

Enter your travel dates to find the best prices.

6:31 pm - 3:15 pmSDF Louisville Intl-DUB Dublin

15h 44m2 stops Chicago O'Hare Intl London Heathrow

8:40 pm - 9:36 pmDUB Dublin-SDF Louisville Intl

29h 56m2 stops London Heathrow Chicago O'Hare Intl

$833British Airways

Fri, Nov 6 - Wed, Nov 11

7:30 am - 8:40 amSDF Louisville Intl-DUB Dublin

20h 10m1 stop Philadelphia

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

15h 33m1 stop Philadelphia

$839American Airlines

Fri, Nov 6 - Wed, Nov 11

7:30 am - 8:40 amSDF Louisville Intl-DUB Dublin

20h 10m1 stop Philadelphia

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

15h 33m1 stop Philadelphia

$839American Airlines

Thu, Nov 5 - Fri, Nov 13

7:30 am - 8:40 amSDF Louisville Intl-DUB Dublin

20h 10m1 stop Philadelphia

11:30 am - 11:15 pmDUB Dublin-SDF Louisville Intl

16h 45m2 stops Philadelphia Charlotte Douglas

$844American Airlines

Thu, Nov 5 - Fri, Nov 13

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

16h 32m1 stop Philadelphia

11:30 am - 12:19 amDUB Dublin-SDF Louisville Intl

17h 49m2 stops Philadelphia Charlotte Douglas

$844American Airlines

Thu, Nov 5 - Fri, Nov 13

1:20 pm - 9:00 amSDF Louisville Intl-DUB Dublin

14h 40m2 stops Boston Logan Intl Paris Charles de Gaulle

5:45 am - 8:54 pmDUB Dublin-SDF Louisville Intl

20h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$864Delta

Thu, Nov 5 - Fri, Nov 13

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

15h 35m2 stops Newark Washington, D.C. Dulles Intl

12:05 pm - 10:30 pmDUB Dublin-SDF Louisville Intl

15h 25m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$869United Airlines

Thu, Nov 5 - Fri, Nov 13

6:18 pm - 7:10 amSDF Louisville Intl-DUB Dublin

31h 52m2 stops Newark Toronto Pearson Intl

8:45 am - 10:30 pmDUB Dublin-SDF Louisville Intl

18h 45m3 stops London Heathrow Toronto Pearson Intl Chicago O'Hare Intl

$1,148Multiple Airlines

Thu, Nov 5 - Fri, Nov 13

2:10 pm - 1:35 pmSDF Louisville Intl-DUB Dublin

18h 25m3 stops Chicago O'Hare Intl Toronto Pearson Intl London Heathrow

8:45 am - 10:30 pmDUB Dublin-SDF Louisville Intl

18h 45m3 stops London Heathrow Toronto Pearson Intl Chicago O'Hare Intl

$1,960Air Canada

Thu, Nov 5 - Fri, Nov 13

6:00 am - 7:10 amSDF Louisville Intl-DUB Dublin

20h 10m3 stops Newark Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

2:15 pm - 10:09 amDUB Dublin-SDF Louisville Intl

24h 54m3 stops London Heathrow Toronto Pearson Intl Detroit Metropolitan Wayne County

$3,235Multiple Airlines

Fri, Nov 6 - Wed, Nov 11

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Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets

Air Canada

Feb 28

SDF7:17 amLouisville Intl

18h 53m

2 stops

DUB7:10 amDublin

Mar 11

DUB9:00 amDublin

37h 07m

2 stops

SDF5:07 pmLouisville Intl

$709

Air Canada

Mar 6

SDF6:00 pmLouisville Intl

32h 10m

2 stops

DUB7:10 amDublin

Mar 11

DUB9:00 amDublin

37h 07m

2 stops

SDF5:07 pmLouisville Intl

$714

Air Canada

Apr 18

SDF7:30 amLouisville Intl

19h 45m

2 stops

DUB8:15 amDublin

Apr 21

DUB9:50 amDublin

15h 10m

2 stops

SDF8:00 pmLouisville Intl

$737

American Airlines flights from Louisville to Ireland

Our best American Airlines deals on Louisville to Ireland flight tickets

American Airlines

Feb 24

SDF10:55 amLouisville Intl

16h 35m

1 stop

DUB8:30 amDublin

Mar 2

DUB11:30 amDublin

13h 51m

1 stop

SDF8:21 pmLouisville Intl

$721

American Airlines

Mar 23

SDF10:55 amLouisville Intl

17h 35m

1 stop

DUB8:30 amDublin

Mar 30

DUB11:45 amDublin

16h 57m

1 stop

SDF11:42 pmLouisville Intl

$726

American Airlines

Feb 15

SDF7:51 amLouisville Intl

19h 39m

1 stop

DUB8:30 amDublin

Feb 22

DUB11:30 amDublin

13h 51m

1 stop

SDF8:21 pmLouisville Intl

$771

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 2/7

1:41 pm-7:30 am

1 stop12h 49m

Dublin

Thu 2/11

9:00 am-7:28 pm

2 stops39h 28m

$701

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/24

6:00 am-7:30 am

1 stop20h 30m

Dublin

Tue 3/2

9:00 am-4:32 pm

2 stops36h 32m

$701

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 2/7

10:20 am-7:30 am

2 stops16h 10m

Dublin

Thu 2/11

9:00 am-7:28 pm

2 stops39h 28m

$705

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/24

7:17 am-10:20 am

2 stops22h 03m

Dublin

Tue 3/2

9:00 am-4:32 pm

2 stops36h 32m

$705

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 2/24

10:55 am-8:30 am

1 stop16h 35m

Dublin

Tue 3/2

11:30 am-8:21 pm

1 stop13h 51m

$721

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 3/8

10:55 am-8:30 am

1 stop16h 35m

Dublin

Wed 3/17

11:30 am-8:21 pm

1 stop12h 51m

$721

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 3/2

7:00 am-7:45 am

1 stop19h 45m

Dublin

Thu 3/11

5:45 am-7:01 pm

2 stops18h 16m

$723

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 3/7

6:36 am-7:55 am

1 stop20h 19m

Dublin

Thu 3/11

5:45 am-7:01 pm

2 stops18h 16m

$723

Quickest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sat 3/6

5:56 pm-9:30 am

1 stop10h 34m

Dublin

Fri 3/12

12:55 pm-8:21 pm

1 stop12h 26m

$1,014

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 3/3

6:14 pm-9:30 am

1 stop10h 16m

Dublin

Sun 3/14

11:30 am-9:28 pm

1 stop13h 58m

$1,029

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 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	$326
Fastest flight time	10h 45m
Direct flights	None

The best one-way flight to Ireland from Louisville in the past 72 hours is $326. The best round-trip flight deal from Louisville to Ireland found on momondo in the last 72 hours is $701.

The fastest flight from Louisville to Ireland takes 10h 45m

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 November 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
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.0 12,233 reviews	Search American Airlines flights
United Airlines	PriceFrom $541	Free Cancellation	Rating 7.3 10,458 reviews	Search United Airlines flights
Delta	PriceFrom $544	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
Aer Lingus	PriceFrom $950	Free Cancellation	Rating 7.3 1,880 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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Other flights to Ireland

Airlines

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Complete your trip

Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $224

Flights to Shannon, Clarefrom $600

Flights to Corkfrom $491

Flights to Knockfrom $860

Flights to Milltown (Kerry)from $770

Flights to Donegalfrom $1,040

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 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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Air Canada flights from Louisville to Ireland

Our best Air Canada 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