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?

British Airways 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 May 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.

$376 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

8:50 am - 9:46 pm

DUB

SDF

17h 56m

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

6:01 pm - 2:35 pm

SDF

DUB

15h 34m

2 stops

10:30 am - 10:33 pm

DUB

SDF

17h 03m

2 stops

$722British Airways

Wed, Sep 9 - Thu, Sep 17

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

5:45 pm - 9:45 am

SDF

DUB

11h 00m

1 stop

9:20 am - 11:08 pm

DUB

SDF

18h 48m

2 stops

$776United Airlines

Sun, Sep 6 - Wed, Sep 9

7:31 am - 6:30 am

SDF

DUB

17h 59m

1 stop

11:45 am - 11:03 pm

DUB

SDF

16h 18m

1 stop

$778American Airlines

Mon, Sep 7 - Thu, Sep 24

12:33 pm - 8:15 am

SDF

DUB

14h 42m

2 stops

9:20 am - 10:59 pm

DUB

SDF

18h 39m

2 stops

$784Air Canada

Sun, Sep 6 - Wed, Sep 9

7:30 pm - 4:35 pm

SDF

ORK

16h 05m

2 stops

10:50 am - 12:02 am

ORK

SDF

18h 12m

2 stops

$833Delta

Wed, Oct 7 - Thu, Oct 15

3:24 pm - 4:35 pm

SDF

ORK

20h 11m

2 stops

10:50 am - 12:02 am

ORK

SDF

18h 12m

2 stops

$883Delta

Sat, Oct 10 - Thu, Oct 15

10:25 am - 10:45 am

SDF

ORK

19h 20m

3 stops

11:25 am - 11:59 pm

ORK

SDF

17h 34m

3 stops

$1,326Air Canada

Sat, Oct 10 - Thu, Oct 15

British Airways flights from Louisville to Ireland

Our best British Airways deals on Louisville to Ireland flight tickets

British Airways

Oct 21

SDF7:14 pmLouisville Intl

14h 21m

2 stops

DUB2:35 pmDublin

Nov 3

DUB8:50 amDublin

17h 56m

2 stops

SDF9:46 pmLouisville Intl

$717

British Airways

Sep 9

SDF6:01 pmLouisville Intl

15h 34m

2 stops

DUB2:35 pmDublin

Sep 17

DUB10:30 amDublin

17h 03m

2 stops

SDF10:33 pmLouisville Intl

$722

British Airways

Sep 2

SDF5:10 pmLouisville Intl

16h 25m

2 stops

DUB2:35 pmDublin

Sep 7

DUB5:15 pmDublin

33h 10m

2 stops

SDF9:25 pmLouisville Intl

$780

Finnair flights from Louisville to Ireland

Our best Finnair deals on Louisville to Ireland flight tickets

Finnair

Oct 21

SDF1:18 pmLouisville Intl

15h 27m

1 stop

DUB9:45 amDublin

Nov 3

DUB1:00 pmDublin

14h 00m

1 stop

SDF10:00 pmLouisville Intl

$719

Finnair

Oct 21

SDF7:14 pmLouisville Intl

17h 01m

2 stops

DUB5:15 pmDublin

Nov 3

DUB1:00 pmDublin

14h 00m

1 stop

SDF10:00 pmLouisville Intl

$727

Finnair

Sep 9

SDF6:01 pmLouisville Intl

18h 14m

2 stops

DUB5:15 pmDublin

Sep 17

DUB12:40 pmDublin

13h 51m

1 stop

SDF9:31 pmLouisville Intl

$767

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

8:50 am-9:46 pm

2 stops17h 56m

$717

Quickest round-trip

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

Wed 9/9

6:01 pm-2:35 pm

2 stops15h 34m

Dublin

Thu 9/17

10:30 am-10:33 pm

2 stops17h 03m

$722

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

Sun 9/6

5:45 pm-9:45 am

1 stop11h 00m

Dublin

Wed 9/9

9:20 am-11:08 pm

2 stops18h 48m

$776

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/7

7:31 am-6:30 am

1 stop17h 59m

Dublin

Thu 9/24

11:45 am-11:03 pm

1 stop16h 18m

$778

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 9/6

12:33 pm-8:15 am

2 stops14h 42m

Dublin

Wed 9/9

9:20 am-10:59 pm

2 stops18h 39m

$784

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Wed 10/7

7:30 pm-4:35 pm

2 stops16h 05m

Cork

Thu 10/15

10:50 am-12:02 am

2 stops18h 12m

$833

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sat 10/10

3:24 pm-4:35 pm

2 stops20h 11m

Cork

Thu 10/15

10:50 am-12:02 am

2 stops18h 12m

$883

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Sat 10/10

10:25 am-10:45 am

3 stops19h 20m

Cork

Thu 10/15

11:25 am-11:59 pm

3 stops17h 34m

$1,326

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	12h 32m
Direct flights	None

The fastest flight from Louisville to Ireland takes 12h 32m

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 May 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
Delta	PriceFrom $483	Free Cancellation	Rating 7.9 8,421 reviews	Search Delta flights
KLM	PriceFrom $484	Free Cancellation	Rating 7.8 1,526 reviews	Search KLM flights
American Airlines	PriceFrom $485	Free Cancellation	Rating 7.1 11,643 reviews	Search American Airlines flights
United Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 9,766 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $963	Free Cancellation	Rating 7.3 1,589 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 $591

Flights to Corkfrom $653

Flights to Knockfrom $657

Flights to Milltown (Kerry)from $682

Flights to Donegalfrom $954

Cheap flights from Louisville to Ireland from $376

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 9/10. 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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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

Finnair flights from Louisville to Ireland

Our best Finnair 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