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

Aer Lingus, Air Canada, and Air France 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 39% 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 July 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.

$298 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.

1:21 pm - 9:45 am

SDF

DUB

15h 24m

1 stop

1:00 pm - 10:00 pm

DUB

SDF

14h 00m

1 stop

$706Finnair

Wed, Oct 21 - Tue, Nov 3

1:21 pm - 9:45 am

SDF

DUB

15h 24m

1 stop

8:50 am - 10:00 pm

DUB

SDF

18h 10m

2 stops

$714Multiple Airlines

Wed, Oct 21 - Tue, Nov 3

6:30 pm - 11:50 am

SDF

DUB

12h 20m

1 stop

11:45 am - 9:31 pm

DUB

SDF

14h 46m

1 stop

$734Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

6:16 pm - 8:15 am

SDF

DUB

32h 59m

2 stops

8:00 am - 7:01 pm

DUB

SDF

39h 01m

2 stops

$737Air Canada

Sat, Oct 10 - Thu, Oct 29

6:16 pm - 8:15 am

SDF

DUB

32h 59m

2 stops

9:20 am - 7:11 pm

DUB

SDF

38h 51m

2 stops

$741Air Canada

Sat, Oct 10 - Fri, Oct 23

1:25 pm - 7:30 am

SDF

DUB

13h 05m

1 stop

8:00 am - 10:30 pm

DUB

SDF

18h 30m

2 stops

$752United Airlines

Sun, Oct 11 - Thu, Oct 29

1:25 pm - 7:30 am

SDF

DUB

13h 05m

1 stop

10:40 am - 10:30 pm

DUB

SDF

15h 50m

1 stop

$756United Airlines

Sun, Oct 11 - Thu, Oct 29

6:16 pm - 9:45 am

SDF

DUB

10h 29m

1 stop

9:20 am - 8:31 pm

DUB

SDF

16h 11m

2 stops

$757United Airlines

Sun, Oct 11 - Fri, Oct 23

6:16 pm - 9:45 am

SDF

DUB

10h 29m

1 stop

12:30 pm - 7:24 pm

DUB

SDF

11h 54m

1 stop

$760United Airlines

Sun, Oct 11 - Fri, Oct 23

6:30 pm - 7:30 am

SDF

DUB

32h 00m

1 stop

12:05 pm - 7:15 pm

DUB

SDF

11h 10m

1 stop

$761United Airlines

Sat, Oct 10 - Thu, Oct 29

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Finnair flights from Louisville to Ireland

Our best Finnair deals on Louisville to Ireland flight tickets

Finnair

Oct 21

SDF1:21 pmLouisville Intl

15h 24m

1 stop

DUB9:45 amDublin

Nov 3

DUB1:00 pmDublin

14h 00m

1 stop

SDF10:00 pmLouisville Intl

$706

Finnair

Aug 16

SDF6:30 pmLouisville Intl

12h 20m

1 stop

DUB11:50 amDublin

Sep 1

DUB12:40 pmDublin

14h 37m

1 stop

SDF10:17 pmLouisville Intl

$777

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

United Airlines

Oct 11

SDF1:25 pmLouisville Intl

13h 05m

1 stop

DUB7:30 amDublin

Oct 29

DUB8:00 amDublin

18h 30m

2 stops

SDF10:30 pmLouisville Intl

$752

United Airlines

Oct 11

SDF1:25 pmLouisville Intl

13h 05m

1 stop

DUB7:30 amDublin

Oct 29

DUB10:40 amDublin

15h 50m

1 stop

SDF10:30 pmLouisville Intl

$756

United Airlines

Oct 11

SDF6:16 pmLouisville Intl

10h 29m

1 stop

DUB9:45 amDublin

Oct 23

DUB9:20 amDublin

16h 11m

2 stops

SDF8:31 pmLouisville Intl

$757

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 10/21

1:21 pm-9:45 am

1 stop15h 24m

Dublin

Tue 11/3

1:00 pm-10:00 pm

1 stop14h 00m

$706

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 10/21

1:21 pm-9:45 am

1 stop15h 24m

Dublin

Tue 11/3

8:50 am-10:00 pm

2 stops18h 10m

$714

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/19

6:30 pm-11:50 am

1 stop12h 20m

Dublin

Wed 8/26

11:45 am-9:31 pm

1 stop14h 46m

$734

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 10/10

6:16 pm-8:15 am

2 stops32h 59m

Dublin

Thu 10/29

8:00 am-7:01 pm

2 stops39h 01m

$737

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 10/10

6:16 pm-8:15 am

2 stops32h 59m

Dublin

Fri 10/23

9:20 am-7:11 pm

2 stops38h 51m

$741

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/11

1:25 pm-7:30 am

1 stop13h 05m

Dublin

Thu 10/29

8:00 am-10:30 pm

2 stops18h 30m

$752

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/11

1:25 pm-7:30 am

1 stop13h 05m

Dublin

Thu 10/29

10:40 am-10:30 pm

1 stop15h 50m

$756

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/11

6:16 pm-9:45 am

1 stop10h 29m

Dublin

Fri 10/23

9:20 am-8:31 pm

2 stops16h 11m

$757

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/11

6:16 pm-9:45 am

1 stop10h 29m

Dublin

Fri 10/23

12:30 pm-7:24 pm

1 stop11h 54m

$760

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 10/10

6:30 pm-7:30 am

1 stop32h 00m

Dublin

Thu 10/29

12:05 pm-7:15 pm

1 stop11h 10m

$761

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 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

Fastest flight time	10h 55m
Direct flights	None

The fastest flight from Louisville to Ireland takes 10h 55m

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 July 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 1,541 reviews	Search KLM flights
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,476 reviews	Search Delta flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.1 11,825 reviews	Search American Airlines flights
United Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 10,015 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $963	Free Cancellation	Rating 7.3 1,673 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 8/19

Wed 8/26

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular cities

Other flights from Louisville

Other flights to Ireland

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $340

Flights to Shannon, Clarefrom $590

Flights to Corkfrom $621

Flights to Knockfrom $669

Flights to Milltown (Kerry)from $724

Flights to Donegalfrom $888

Cheap flights from Louisville to Ireland from $298

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 10/9. 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

Trusted and free

Price Alerts

Price Alerts

Finnair flights from Louisville to Ireland

Our best Finnair deals on Louisville to Ireland flight tickets

United Airlines flights from Louisville to Ireland

Our best United 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

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