Cheap flights from Louisville to Ireland from $371

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 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:05 pm - 8:10 am
SDF
-
DUB
13h 05m1 stop
Multiple Airlines Logo
9:00 am - 1:24 pm
DUB
-
SDF
33h 24m2 stops
$452Multiple Airlines
Fri, Jan 9 - Wed, Jan 21
United Airlines Logo
6:12 pm - 8:10 am
SDF
-
DUB
32h 58m1 stop
United Airlines Logo
9:00 am - 12:59 pm
DUB
-
SDF
32h 59m2 stops
$456United Airlines
Mon, Jan 26 - Mon, Feb 2
United Airlines Logo
11:10 am - 7:30 am
SDF
-
DUB
15h 20m2 stops
United Airlines Logo
9:00 am - 12:59 pm
DUB
-
SDF
32h 59m2 stops
$460United Airlines
Mon, Jan 26 - Mon, Feb 2
Air Canada Logo
8:29 am - 7:10 am
SDF
-
DUB
17h 41m2 stops
Air Canada Logo
9:00 am - 1:24 pm
DUB
-
SDF
33h 24m2 stops
$462Air Canada
Fri, Jan 9 - Wed, Jan 21
Air Canada Logo
6:12 pm - 7:10 am
SDF
-
DUB
55h 58m2 stops
Air Canada Logo
9:00 am - 7:31 pm
DUB
-
SDF
39h 31m2 stops
$468Air Canada
Sun, Jan 18 - Mon, Feb 2
Lufthansa Logo
2:35 pm - 10:20 am
SDF
-
DUB
15h 45m1 stop
Lufthansa Logo
9:10 am - 11:59 pm
DUB
-
SDF
18h 49m2 stops
$470Lufthansa
Mon, Mar 9 - Mon, Mar 16
Lufthansa Logo
2:05 pm - 8:10 am
SDF
-
DUB
13h 05m1 stop
Lufthansa Logo
9:20 am - 11:23 pm
DUB
-
SDF
19h 03m2 stops
$471Lufthansa
Thu, Jan 8 - Thu, Jan 22
Lufthansa Logo
2:05 pm - 8:10 am
SDF
-
DUB
13h 05m1 stop
Lufthansa Logo
10:40 am - 5:37 pm
DUB
-
SDF
11h 57m1 stop
$475Lufthansa
Thu, Jan 8 - Thu, Jan 22
American Airlines Logo
11:55 am - 10:45 am
SDF
-
ORK
17h 50m2 stops
American Airlines Logo
7:20 am - 8:55 pm
ORK
-
SDF
18h 35m2 stops
$547American Airlines
Fri, May 1 - Fri, May 8
American Airlines Logo
11:55 am - 10:45 am
SDF
-
ORK
17h 50m2 stops
American Airlines Logo
7:20 am - 8:56 pm
ORK
-
SDF
18h 36m2 stops
$613American Airlines
Tue, May 12 - Sat, May 23

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets
United Airlines
Jan 26
SDF6:12 pmLouisville Intl
32h 58m
1 stop
DUB8:10 amDublin
Feb 2
DUB9:00 amDublin
32h 59m
2 stops
SDF12:59 pmLouisville Intl
United Airlines
Jan 26
SDF11:10 amLouisville Intl
15h 20m
2 stops
DUB7:30 amDublin
Feb 2
DUB9:00 amDublin
32h 59m
2 stops
SDF12:59 pmLouisville Intl
United Airlines
Mar 9
SDF1:58 pmLouisville Intl
13h 32m
2 stops
DUB7:30 amDublin
Mar 16
DUB8:00 amDublin
19h 59m
2 stops
SDF11:59 pmLouisville Intl

Delta flights from Louisville to Ireland

Our best Delta deals on Louisville to Ireland flight tickets
Delta
Jan 19
SDF7:50 amLouisville Intl
19h 55m
2 stops
DUB8:45 amDublin
Jan 27
DUB5:55 amDublin
20h 20m
2 stops
SDF9:15 pmLouisville Intl
Delta
Apr 5
SDF5:35 pmLouisville Intl
10h 10m
1 stop
DUB8:45 amDublin
Apr 13
DUB10:00 amDublin
17h 48m
1 stop
SDF10:48 pmLouisville Intl
Delta
Apr 5
SDF2:17 pmLouisville Intl
13h 58m
2 stops
DUB9:15 amDublin
Apr 12
DUB10:00 amDublin
18h 57m
2 stops
SDF11:57 pmLouisville Intl

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 28, 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

Fri 1/9

2:05 pm-8:10 am

1 stop13h 05m

Dublin

Wed 1/21

9:00 am-1:24 pm

2 stops33h 24m

$452

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 1/26

6:12 pm-8:10 am

1 stop32h 58m

Dublin

Mon 2/2

9:00 am-12:59 pm

2 stops32h 59m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 1/26

11:10 am-7:30 am

2 stops15h 20m

Dublin

Mon 2/2

9:00 am-12:59 pm

2 stops32h 59m

$460

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 1/9

8:29 am-7:10 am

2 stops17h 41m

Dublin

Wed 1/21

9:00 am-1:24 pm

2 stops33h 24m

$462

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 1/18

6:12 pm-7:10 am

2 stops55h 58m

Dublin

Mon 2/2

9:00 am-7:31 pm

2 stops39h 31m

$468

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

2:35 pm-10:20 am

1 stop15h 45m

Dublin

Mon 3/16

9:10 am-11:59 pm

2 stops18h 49m

$470

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 1/8

2:05 pm-8:10 am

1 stop13h 05m

Dublin

Thu 1/22

9:20 am-11:23 pm

2 stops19h 03m

$471

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 1/8

2:05 pm-8:10 am

1 stop13h 05m

Dublin

Thu 1/22

10:40 am-5:37 pm

1 stop11h 57m

$475

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Fri 5/1

11:55 am-10:45 am

2 stops17h 50m

Cork

Fri 5/8

7:20 am-8:55 pm

2 stops18h 35m

$547

LouisvilleCork

SDF - ORK

SDFORK

Louisville Intl

Tue 5/12

11:55 am-10:45 am

2 stops17h 50m

Cork

Sat 5/23

7:20 am-8:56 pm

2 stops18h 36m

$613

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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 $813 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

12h 25m

Direct flights

None
The fastest flight from Louisville to Ireland takes 12h 25m
There are no direct flights from Louisville to Ireland. There are no popular flight routes 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?

  • 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
1,435 reviews
Search KLM flights
American AirlinesPriceFrom $485Free CancellationRating
7.2
11,070 reviews
Search American Airlines flights
DeltaPriceFrom $504Free CancellationRating
7.9
8,022 reviews
Search Delta flights
United AirlinesPriceFrom $536Free CancellationRating
7.4
9,117 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

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1 adult
Tue 1/27
Tue 2/3

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