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.

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

KLM, Air Canada, and Lufthansa are the most popular carriers operating from Louisville Intl 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 August 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.

$372 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.

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

20h 00m1 stop Philadelphia

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

15h 33m1 stop Philadelphia

$706American Airlines

Tue, Dec 1 - Wed, Dec 9

5:57 pm - 7:10 amSDF Louisville Intl-DUB Dublin

32h 13m2 stops Chicago O'Hare Intl Toronto Pearson Intl

9:00 am - 1:35 pmDUB Dublin-SDF Louisville Intl

33h 35m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$707Air Canada

Tue, Nov 17 - Thu, Nov 26

10:37 am - 7:10 amSDF Louisville Intl-DUB Dublin

15h 33m2 stops Chicago O'Hare Intl Toronto Pearson Intl

9:00 am - 1:35 pmDUB Dublin-SDF Louisville Intl

33h 35m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$707Air Canada

Wed, Nov 18 - Thu, Nov 26

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

20h 00m1 stop Philadelphia

11:30 am - 9:27 pmDUB Dublin-SDF Louisville Intl

14h 57m2 stops Philadelphia Washington, D.C. Reagan-National

$710American Airlines

Tue, Dec 1 - Wed, Dec 9

1:00 pm - 7:30 amSDF Louisville Intl-DUB Dublin

13h 30m1 stop Newark

9:00 am - 8:14 pmDUB Dublin-SDF Louisville Intl

40h 14m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$723United Airlines

Sun, Feb 7 - Thu, Feb 11

9:02 am - 8:10 amSDF Louisville Intl-DUB Dublin

18h 08m1 stop Chicago O'Hare Intl

1:35 pm - 8:39 pmDUB Dublin-SDF Louisville Intl

12h 04m1 stop Newark

$726United Airlines

Sun, Nov 15 - Tue, Nov 24

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

18h 40m1 stop Atlanta Hartsfield-Jackson

5:45 am - 10:37 pmDUB Dublin-SDF Louisville Intl

21h 52m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$762Delta

Sun, Nov 15 - Thu, Nov 26

1:01 pm - 7:45 amSDF Louisville Intl-DUB Dublin

13h 44m1 stop Atlanta Hartsfield-Jackson

5:45 am - 8:57 pmDUB Dublin-SDF Louisville Intl

20h 12m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$762Delta

Wed, Nov 18 - Fri, Nov 27

1:01 pm - 7:45 amSDF Louisville Intl-DUB Dublin

13h 44m1 stop Atlanta Hartsfield-Jackson

8:50 am - 9:13 pmDUB Dublin-SDF Louisville Intl

17h 23m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$772KLM

Tue, Nov 24 - Wed, Dec 2

12:53 pm - 8:05 amSDF Louisville Intl-DUB Dublin

14h 12m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

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

18h 00m1 stop Minneapolis St Paul

$836KLM

Thu, Dec 24 - Thu, Dec 31

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Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets

Air Canada

Nov 15

SDF10:37 amLouisville Intl

15h 33m

2 stops

DUB7:10 amDublin

Nov 26

DUB9:00 amDublin

33h 35m

2 stops

SDF1:35 pmLouisville Intl

$707

Air Canada

Sep 23

SDF11:00 amLouisville Intl

15h 45m

2 stops

DUB7:45 amDublin

Oct 6

DUB9:50 amDublin

31h 49m

2 stops

SDF12:39 pmLouisville Intl

$737

Air Canada

Nov 15

SDF10:37 amLouisville Intl

15h 33m

2 stops

DUB7:10 amDublin

Nov 23

DUB9:00 amDublin

36h 57m

2 stops

SDF4:57 pmLouisville Intl

$757

Delta flights from Louisville to Ireland

Our best Delta deals on Louisville to Ireland flight tickets

Delta

Nov 15

SDF7:00 amLouisville Intl

19h 55m

1 stop

DUB7:55 amDublin

Nov 27

DUB5:45 amDublin

17h 46m

2 stops

SDF6:31 pmLouisville Intl

$762

Delta

Nov 15

SDF7:00 amLouisville Intl

26h 45m

2 stops

ORK2:45 pmCork

Nov 25

ORK5:15 pmCork

32h 58m

2 stops

SDF9:13 pmLouisville Intl

$770

Delta

Nov 23

SDF3:00 pmLouisville Intl

11h 45m

1 stop

DUB7:45 amDublin

Dec 2

DUB1:25 pmDublin

15h 40m

2 stops

SDF12:05 amLouisville Intl

$773

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 12/1

7:30 am-8:30 am

1 stop20h 00m

Dublin

Wed 12/9

11:30 am-10:03 pm

1 stop15h 33m

$706

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 11/17

5:57 pm-7:10 am

2 stops32h 13m

Dublin

Thu 11/26

9:00 am-1:35 pm

2 stops33h 35m

$707

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 11/18

10:37 am-7:10 am

2 stops15h 33m

Dublin

Thu 11/26

9:00 am-1:35 pm

2 stops33h 35m

$707

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 12/1

7:30 am-8:30 am

1 stop20h 00m

Dublin

Wed 12/9

11:30 am-9:27 pm

2 stops14h 57m

$710

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 2/7

1:00 pm-7:30 am

1 stop13h 30m

Dublin

Thu 2/11

9:00 am-8:14 pm

2 stops40h 14m

$723

Quickest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 11/15

9:02 am-8:10 am

1 stop18h 08m

Dublin

Tue 11/24

1:35 pm-8:39 pm

1 stop12h 04m

$726

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 11/15

8:05 am-7:45 am

1 stop18h 40m

Dublin

Thu 11/26

5:45 am-10:37 pm

2 stops21h 52m

$762

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 11/18

1:01 pm-7:45 am

1 stop13h 44m

Dublin

Fri 11/27

5:45 am-8:57 pm

2 stops20h 12m

$762

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 11/24

1:01 pm-7:45 am

1 stop13h 44m

Dublin

Wed 12/2

8:50 am-9:13 pm

2 stops17h 23m

$772

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Thu 12/24

12:53 pm-8:05 am

2 stops14h 12m

Dublin

Thu 12/31

9:55 am-10:55 pm

1 stop18h 00m

$836

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 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 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

Best Price Found	$372
Fastest flight time	12h 50m
Direct flights	None

The best one-way flight to Ireland from Louisville in the past 72 hours is $372. The best round-trip flight deal from Louisville to Ireland found on momondo in the last 72 hours is $706.

The fastest flight from Louisville to Ireland takes 12h 50m

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 August 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 1,562 reviews	Search KLM flights
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,518 reviews	Search Delta flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.1 11,989 reviews	Search American Airlines flights
United Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 10,112 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $963	Free Cancellation	Rating 7.3 1,715 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 $329

Flights to Shannon, Clarefrom $608

Flights to Corkfrom $631

Flights to Knockfrom $691

Flights to Milltown (Kerry)from $745

Flights to Donegalfrom $821

Cheap flights from Louisville to Ireland from $372

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 11/23. 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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Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets

Delta flights from Louisville to Ireland

Our best Delta 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