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Cheap flights from Louisville to Ireland from $399

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 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:50 pm - 7:30 am
SDF
-
DUB
12h 40m1 stop
Multiple Airlines Logo
9:00 am - 5:37 pm
DUB
-
SDF
37h 37m2 stops
$452Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
1:50 pm - 7:30 am
SDF
-
DUB
12h 40m1 stop
United Airlines Logo
9:00 am - 1:24 pm
DUB
-
SDF
33h 24m2 stops
$456United Airlines
Fri, Jan 23 - Mon, Jan 26
United Airlines Logo
2:05 pm - 7:30 am
SDF
-
DUB
12h 25m2 stops
United Airlines Logo
9:00 am - 12:59 pm
DUB
-
SDF
32h 59m2 stops
$460United Airlines
Fri, Jan 23 - Mon, Jan 26
Air Canada Logo
11:10 am - 7:10 am
SDF
-
DUB
15h 00m2 stops
Air Canada Logo
9:00 am - 1:24 pm
DUB
-
SDF
33h 24m2 stops
$462Air Canada
Sat, Jan 10 - Sat, Jan 17
British Airways Logo
7:13 pm - 5:00 pm
SDF
-
DUB
16h 47m2 stops
British Airways Logo
6:00 pm - 11:19 pm
DUB
-
SDF
34h 19m2 stops
$467British Airways
Wed, Jan 14 - Wed, Jan 21
Lufthansa Logo
1:50 pm - 7:30 am
SDF
-
DUB
12h 40m1 stop
Lufthansa Logo
5:00 am - 7:25 pm
DUB
-
SDF
19h 25m2 stops
$470Lufthansa
Mon, Feb 9 - Thu, Feb 19
British Airways Logo
1:30 pm - 7:55 am
SDF
-
DUB
38h 25m2 stops
British Airways Logo
8:40 pm - 7:07 pm
DUB
-
SDF
26h 27m2 stops
$473British Airways
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
7:13 pm - 1:35 pm
SDF
-
DUB
13h 22m2 stops
American Airlines Logo
11:30 am - 9:16 pm
DUB
-
SDF
14h 46m1 stop
$474American Airlines
Fri, Jan 16 - Fri, Jan 23
American Airlines Logo
7:13 pm - 1:35 pm
SDF
-
DUB
13h 22m2 stops
American Airlines Logo
11:30 am - 9:55 pm
DUB
-
SDF
15h 25m2 stops
$479American Airlines
Mon, Feb 9 - Thu, Feb 19
Lufthansa Logo
1:50 pm - 7:30 am
SDF
-
DUB
12h 40m1 stop
Lufthansa Logo
10:40 am - 5:37 pm
DUB
-
SDF
11h 57m1 stop
$480Lufthansa
Mon, Jan 26 - Mon, Feb 2

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets
United Airlines
Jan 23
SDF1:50 pmLouisville Intl
12h 40m
1 stop
DUB7:30 amDublin
Jan 26
DUB9:00 amDublin
33h 24m
2 stops
SDF1:24 pmLouisville Intl
$456
Find similar
United Airlines
Jan 23
SDF2:05 pmLouisville Intl
12h 25m
2 stops
DUB7:30 amDublin
Jan 26
DUB9:00 amDublin
32h 59m
2 stops
SDF12:59 pmLouisville Intl
$460
Find similar
United Airlines
Jan 14
SDF1:50 pmLouisville Intl
12h 40m
1 stop
DUB7:30 amDublin
Jan 21
DUB10:40 amDublin
14h 48m
1 stop
SDF8:28 pmLouisville Intl
$484
Find similar

Lufthansa flights from Louisville to Ireland

Our best Lufthansa deals on Louisville to Ireland flight tickets
Lufthansa
Feb 9
SDF1:50 pmLouisville Intl
12h 40m
1 stop
DUB7:30 amDublin
Feb 19
DUB5:00 amDublin
19h 25m
2 stops
SDF7:25 pmLouisville Intl
$470
Find similar
Lufthansa
Jan 26
SDF1:50 pmLouisville Intl
12h 40m
1 stop
DUB7:30 amDublin
Feb 2
DUB10:40 amDublin
11h 57m
1 stop
SDF5:37 pmLouisville Intl
$480
Find similar
Lufthansa
Jan 16
SDF2:05 pmLouisville Intl
13h 05m
1 stop
DUB8:10 amDublin
Jan 23
DUB10:40 amDublin
11h 57m
1 stop
SDF5:37 pmLouisville Intl
$506
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Louisville to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 1/14

1:50 pm-7:30 am

1 stop12h 40m

Dublin

Wed 1/21

9:00 am-5:37 pm

2 stops37h 37m

$452

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 1/23

1:50 pm-7:30 am

1 stop12h 40m

Dublin

Mon 1/26

9:00 am-1:24 pm

2 stops33h 24m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 1/23

2:05 pm-7:30 am

2 stops12h 25m

Dublin

Mon 1/26

9:00 am-12:59 pm

2 stops32h 59m

$460

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 1/10

11:10 am-7:10 am

2 stops15h 00m

Dublin

Sat 1/17

9:00 am-1:24 pm

2 stops33h 24m

$462

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 1/14

7:13 pm-5:00 pm

2 stops16h 47m

Dublin

Wed 1/21

6:00 pm-11:19 pm

2 stops34h 19m

$467

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

1:50 pm-7:30 am

1 stop12h 40m

Dublin

Thu 2/19

5:00 am-7:25 pm

2 stops19h 25m

$470

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/17

1:30 pm-7:55 am

2 stops38h 25m

Dublin

Tue 3/24

8:40 pm-7:07 pm

2 stops26h 27m

$473

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 1/16

7:13 pm-1:35 pm

2 stops13h 22m

Dublin

Fri 1/23

11:30 am-9:16 pm

1 stop14h 46m

$474

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

7:13 pm-1:35 pm

2 stops13h 22m

Dublin

Thu 2/19

11:30 am-9:55 pm

2 stops15h 25m

$479

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 1/26

1:50 pm-7:30 am

1 stop12h 40m

Dublin

Mon 2/2

10:40 am-5:37 pm

1 stop11h 57m

$480

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

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

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 $533.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Monday when prices can be found for as low as $840. This is often the case because there is less demand to fly during this day of the week. Flights from Louisville to Ireland on a Thursday will generally be more expensive and average around $1,075. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is at noon. momondo users have found flights departing from Louisville to Ireland at noon for as low as $858. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $1,010.

How far in advance should I book a flight 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 $815 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 $654 on momondo.

Can stopping save me money on Louisville to Ireland flights?

You could potentially save up to 2% 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 00m

Direct flights

None
The fastest flight from Louisville to Ireland takes 10h 00m
There are no direct flights from Louisville to Ireland. There are no popular flight routes from Louisville to Ireland.
Search flight deals

  • 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?

  • 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
KLMPriceFrom $483Free CancellationRating
7.7
1,430 reviews
Search KLM flights
American AirlinesPriceFrom $485Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
Scandinavian AirlinesPriceFrom $491Free CancellationRating
7.4
1,606 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $504Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $541Free CancellationRating
7.4
9,091 reviews
Search United Airlines 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

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Popular flights according to clicks in the last 7 days on momondo
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