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Cheap flights from Louisville to Ireland from $450

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 8/7. 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.
British Airways Logo
7:08 pm - 2:30 pm
SDF
-
DUB
14h 22m
2 stops
British Airways Logo
10:30 am - 10:58 pm
DUB
-
SDF
17h 28m
2 stops
$722British Airways
Mon, Sep 7 - Tue, Sep 15
KLM Logo
3:24 pm - 8:45 am
SDF
-
DUB
12h 21m
1 stop
KLM Logo
12:00 pm - 6:43 pm
DUB
-
SDF
11h 43m
1 stop
$750KLM
Mon, Sep 7 - Tue, Sep 15
Multiple Airlines Logo
7:43 pm - 10:15 pm
SDF
-
DUB
21h 32m
2 stops
Multiple Airlines Logo
9:20 am - 8:36 pm
DUB
-
SDF
16h 16m
2 stops
$761Multiple Airlines
Mon, Sep 7 - Tue, Sep 15
Air Canada Logo
6:15 am - 7:45 am
SDF
-
DUB
20h 30m
2 stops
Air Canada Logo
9:20 am - 10:22 pm
DUB
-
SDF
42h 02m
2 stops
$769Air Canada
Sun, Sep 13 - Tue, Sep 22
Air Canada Logo
5:35 am - 7:45 am
SDF
-
DUB
21h 10m
2 stops
Air Canada Logo
9:20 am - 7:19 pm
DUB
-
SDF
38h 59m
2 stops
$773Air Canada
Wed, Aug 12 - Wed, Aug 26
Finnair Logo
6:11 pm - 11:50 am
SDF
-
DUB
12h 39m
1 stop
Finnair Logo
9:40 am - 11:01 pm
DUB
-
SDF
18h 21m
2 stops
$775Finnair
Wed, Aug 12 - Wed, Aug 26
British Airways Logo
5:00 pm - 2:35 pm
SDF
-
DUB
16h 35m
2 stops
British Airways Logo
8:40 pm - 7:38 pm
DUB
-
SDF
26h 58m
2 stops
$777British Airways
Tue, Oct 20 - Sat, Oct 31
American Airlines Logo
12:17 pm - 6:30 am
SDF
-
DUB
13h 13m
1 stop
American Airlines Logo
9:30 am - 10:34 pm
DUB
-
SDF
18h 04m
1 stop
$778American Airlines
Tue, Sep 15 - Tue, Sep 22
United Airlines Logo
6:30 am - 7:30 am
SDF
-
DUB
20h 00m
1 stop
United Airlines Logo
9:20 am - 6:56 pm
DUB
-
SDF
14h 36m
2 stops
$783United Airlines
Sun, Aug 9 - Wed, Aug 19
United Airlines Logo
10:05 am - 7:45 am
SDF
-
DUB
16h 40m
2 stops
United Airlines Logo
9:20 am - 6:56 pm
DUB
-
SDF
14h 36m
2 stops
$787United Airlines
Wed, Aug 12 - Fri, Aug 21

Finnair flights from Louisville to Ireland

Our best Finnair deals on Louisville to Ireland flight tickets
Finnair
Aug 12
SDF6:11 pmLouisville Intl
12h 39m
1 stop
DUB11:50 amDublin
Aug 26
DUB9:40 amDublin
18h 21m
2 stops
SDF11:01 pmLouisville Intl
$775
Finnair
May 7
SDF7:01 pmLouisville Intl
11h 49m
1 stop
DUB11:50 amDublin
May 12
DUB9:30 amDublin
19h 53m
1 stop
SDF12:23 amLouisville Intl
$810
Finnair
May 7
SDF7:01 pmLouisville Intl
11h 49m
1 stop
DUB11:50 amDublin
May 21
DUB9:30 amDublin
17h 49m
1 stop
SDF10:19 pmLouisville Intl
$862

United Airlines flights from Louisville to Ireland

Our best United Airlines deals on Louisville to Ireland flight tickets
United Airlines
Aug 9
SDF6:30 amLouisville Intl
20h 00m
1 stop
DUB7:30 amDublin
Aug 19
DUB9:20 amDublin
14h 36m
2 stops
SDF6:56 pmLouisville Intl
$783
United Airlines
Aug 12
SDF10:05 amLouisville Intl
16h 40m
2 stops
DUB7:45 amDublin
Aug 21
DUB9:20 amDublin
14h 36m
2 stops
SDF6:56 pmLouisville Intl
$787
United Airlines
Aug 11
SDF10:15 amLouisville Intl
16h 05m
2 stops
DUB7:20 amDublin
Aug 28
DUB9:20 amDublin
14h 36m
2 stops
SDF6:56 pmLouisville Intl
$788

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 April 29, 2026.
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

Cheapest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/7

7:08 pm-2:30 pm

2 stops14h 22m

Dublin

Tue 9/15

10:30 am-10:58 pm

2 stops17h 28m

$722
Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/7

3:24 pm-8:45 am

1 stop12h 21m

Dublin

Tue 9/15

12:00 pm-6:43 pm

1 stop11h 43m

$750

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/7

7:43 pm-10:15 pm

2 stops21h 32m

Dublin

Tue 9/15

9:20 am-8:36 pm

2 stops16h 16m

$761

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 9/13

6:15 am-7:45 am

2 stops20h 30m

Dublin

Tue 9/22

9:20 am-10:22 pm

2 stops42h 02m

$769

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

5:35 am-7:45 am

2 stops21h 10m

Dublin

Wed 8/26

9:20 am-7:19 pm

2 stops38h 59m

$773

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

6:11 pm-11:50 am

1 stop12h 39m

Dublin

Wed 8/26

9:40 am-11:01 pm

2 stops18h 21m

$775

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 10/20

5:00 pm-2:35 pm

2 stops16h 35m

Dublin

Sat 10/31

8:40 pm-7:38 pm

2 stops26h 58m

$777

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 9/15

12:17 pm-6:30 am

1 stop13h 13m

Dublin

Tue 9/22

9:30 am-10:34 pm

1 stop18h 04m

$778

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 8/9

6:30 am-7:30 am

1 stop20h 00m

Dublin

Wed 8/19

9:20 am-6:56 pm

2 stops14h 36m

$783

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 8/12

10:05 am-7:45 am

2 stops16h 40m

Dublin

Fri 8/21

9:20 am-6:56 pm

2 stops14h 36m

$787

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 $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 $732 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 7% 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 32m

Direct flights

None
The fastest flight from Louisville to Ireland takes 11h 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?

  • 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
7.8
1,512 reviews
Search KLM flights
American AirlinesPriceFrom $485Free CancellationRating
7.1
11,678 reviews
Search American Airlines flights
DeltaPriceFrom $504Free CancellationRating
7.9
8,465 reviews
Search Delta flights
United AirlinesPriceFrom $532Free CancellationRating
7.4
9,681 reviews
Search United Airlines flights
Aer LingusPriceFrom $797Free CancellationRating
7.3
1,536 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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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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