What airlines fly to Ireland?

United Airlines, American Airlines and Delta 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 43% 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?

United Airlines, WestJet, and Aer Lingus 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 June 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.

$463 Cheap Flights from Louisville to Ireland in 2026

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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.

7:14 pm - 2:35 pm

SDF

DUB

14h 21m

2 stops

10:55 am - 9:29 pm

DUB

SDF

15h 34m

2 stops

$717British Airways

Wed, Oct 21 - Tue, Nov 3

1:18 pm - 9:45 am

SDF

DUB

15h 27m

1 stop

1:00 pm - 10:00 pm

DUB

SDF

14h 00m

1 stop

$719Finnair

Wed, Oct 21 - Tue, Nov 3

5:20 pm - 5:05 pm

SDF

DUB

18h 45m

2 stops

8:40 pm - 9:29 pm

DUB

SDF

29h 49m

2 stops

$726British Airways

Mon, Nov 2 - Mon, Nov 9

7:14 pm - 5:15 pm

SDF

DUB

17h 01m

2 stops

1:00 pm - 10:00 pm

DUB

SDF

14h 00m

1 stop

$727Finnair

Wed, Oct 21 - Tue, Nov 3

5:10 pm - 7:30 pm

SDF

DUB

21h 20m

2 stops

10:30 am - 10:33 pm

DUB

SDF

17h 03m

2 stops

$731British Airways

Tue, Sep 1 - Fri, Sep 11

12:35 pm - 7:55 am

SDF

DUB

14h 20m

1 stop

11:10 am - 10:50 pm

DUB

SDF

16h 40m

2 stops

$746Delta

Tue, Sep 1 - Fri, Sep 11

6:50 am - 7:55 am

SDF

DUB

20h 05m

1 stop

11:00 am - 11:59 pm

DUB

SDF

17h 59m

1 stop

$750Delta

Tue, Sep 1 - Fri, Sep 11

1:22 pm - 9:45 am

SDF

DUB

15h 23m

1 stop

11:45 am - 7:34 pm

DUB

SDF

12h 49m

1 stop

$778American Airlines

Mon, Sep 14 - Thu, Sep 24

11:00 am - 7:30 am

SDF

DUB

15h 30m

1 stop

8:50 am - 2:37 pm

DUB

SDF

10h 47m

1 stop

$780Lufthansa

Wed, Sep 2 - Thu, Sep 10

10:25 am - 10:45 am

SDF

ORK

19h 20m

3 stops

7:10 am - 11:54 pm

ORK

SDF

21h 44m

3 stops

$1,171Air Canada

Sat, Oct 3 - Sat, Oct 10

Lufthansa flights from Louisville to Ireland

Our best Lufthansa deals on Louisville to Ireland flight tickets

Lufthansa

Sep 2

SDF11:00 amLouisville Intl

15h 30m

1 stop

DUB7:30 amDublin

Sep 10

DUB8:50 amDublin

10h 47m

1 stop

SDF2:37 pmLouisville Intl

$780

Lufthansa

Aug 14

SDF5:45 pmLouisville Intl

11h 00m

1 stop

DUB9:45 amDublin

Aug 25

DUB9:20 amDublin

14h 47m

1 stop

SDF7:07 pmLouisville Intl

$846

Lufthansa

Aug 14

SDF5:45 pmLouisville Intl

11h 00m

1 stop

DUB9:45 amDublin

Aug 25

DUB8:50 amDublin

16h 18m

2 stops

SDF8:08 pmLouisville Intl

$854

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets

United Airlines

Nov 2

SDF8:45 amLouisville Intl

20h 10m

1 stop

DUB9:55 amDublin

Nov 9

DUB9:00 amDublin

34h 47m

2 stops

SDF2:47 pmLouisville Intl

$798

United Airlines

Sep 12

SDF1:55 pmLouisville Intl

36h 50m

2 stops

DUB7:45 amDublin

Sep 23

DUB8:50 amDublin

10h 47m

1 stop

SDF2:37 pmLouisville Intl

$832

United Airlines

Sep 4

SDF6:00 amLouisville Intl

23h 40m

1 stop

DUB10:40 amDublin

Sep 10

DUB8:50 amDublin

10h 47m

1 stop

SDF2:37 pmLouisville Intl

$836

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 10/21

7:14 pm-2:35 pm

2 stops14h 21m

Dublin

Tue 11/3

10:55 am-9:29 pm

2 stops15h 34m

$717

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 10/21

1:18 pm-9:45 am

1 stop15h 27m

Dublin

Tue 11/3

1:00 pm-10:00 pm

1 stop14h 00m

$719

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 11/2

5:20 pm-5:05 pm

2 stops18h 45m

Dublin

Mon 11/9

8:40 pm-9:29 pm

2 stops29h 49m

$726

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 10/21

7:14 pm-5:15 pm

2 stops17h 01m

Dublin

Tue 11/3

1:00 pm-10:00 pm

1 stop14h 00m

$727

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/1

5:10 pm-7:30 pm

2 stops21h 20m

Dublin

Fri 9/11

10:30 am-10:33 pm

2 stops17h 03m

$731

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/1

12:35 pm-7:55 am

1 stop14h 20m

Dublin

Fri 9/11

11:10 am-10:50 pm

2 stops16h 40m

$746

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/1

6:50 am-7:55 am

1 stop20h 05m

Dublin

Fri 9/11

11:00 am-11:59 pm

1 stop17h 59m

$750

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/14

1:22 pm-9:45 am

1 stop15h 23m

Dublin

Thu 9/24

11:45 am-7:34 pm

1 stop12h 49m

$778

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 9/2

11:00 am-7:30 am

1 stop15h 30m

Dublin

Thu 9/10

8:50 am-2:37 pm

1 stop10h 47m

$780

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sat 10/3

10:25 am-10:45 am

3 stops19h 20m

Cork

Sat 10/10

7:10 am-11:54 pm

3 stops21h 44m

$1,171

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 $411. If you aren’t able to travel to Ireland during the month of December, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $452.

How far in advance should I book a flight from Louisville to Ireland?

You are more likely to see cheaper flights to Ireland from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $740 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Louisville for as low as $531 on momondo.

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	11h 00m
Direct flights	None

The fastest flight from Louisville to Ireland takes 11h 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 June 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 1,524 reviews	Search KLM flights
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,396 reviews	Search Delta flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.1 11,642 reviews	Search American Airlines flights
United Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 9,774 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $963	Free Cancellation	Rating 7.3 1,595 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

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Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $322

Flights to Shannon, Clarefrom $600

Flights to Corkfrom $653

Flights to Knockfrom $814

Flights to Milltown (Kerry)from $694

Flights to Donegalfrom $984

Cheap flights from Louisville to Ireland from $463

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 8/12. 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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Lufthansa flights from Louisville to Ireland

Our best Lufthansa 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

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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?

How far in advance should I book a flight from Louisville 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

Find info about flight duration, direct flights, and airports for your flight from Louisville to Ireland

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