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Cheap flights from Louisville to Ireland from $333

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 12/16. 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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0 bags

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Find the cheapest flights from Louisville to Ireland

Cheap round-trip flights

United Airlines Logo
1:50 pm - 7:30 amSDF-DUB
12h 40m1 stop
United Airlines Logo
10:40 am - 8:14 pmDUB-SDF
14h 34m1 stop
$532United Airlines
Find Deal
Mon, Feb 9 - Thu, Feb 19
American Airlines Logo
7:13 pm - 1:35 pmSDF-DUB
13h 22m2 stops
American Airlines Logo
11:30 am - 9:47 pmDUB-SDF
15h 17m2 stops
$534American Airlines
Find Deal
Mon, Feb 9 - Thu, Feb 19
American Airlines Logo
7:54 am - 8:40 amSDF-DUB
19h 46m1 stop
American Airlines Logo
11:30 am - 9:08 pmDUB-SDF
14h 38m2 stops
$537American Airlines
Find Deal
Mon, Feb 9 - Thu, Feb 19
United Airlines Logo
1:50 pm - 7:30 amSDF-DUB
12h 40m1 stop
United Airlines Logo
10:40 am - 4:49 pmDUB-SDF
11h 09m1 stop
$552United Airlines
Find Deal
Mon, Feb 9 - Thu, Feb 19
KLM Logo
12:54 pm - 8:45 amSDF-DUB
14h 51m1 stop
KLM Logo
10:00 am - 10:54 pmDUB-SDF
17h 54m1 stop
$641KLM
Find Deal
Wed, Oct 8 - Wed, Oct 15
KLM Logo
12:31 pm - 7:55 amSDF-DUB
14h 24m1 stop
KLM Logo
10:00 am - 6:30 pmDUB-SDF
13h 30m1 stop
$746KLM
Find Deal
Sun, Oct 5 - Wed, Oct 15
British Airways Logo
6:12 pm - 2:15 pmSDF-DUB
15h 03m2 stops
British Airways Logo
10:55 am - 11:03 pmDUB-SDF
17h 08m2 stops
$747British Airways
Find Deal
Sun, Oct 5 - Wed, Oct 15
British Airways Logo
9:57 am - 9:40 amSDF-DUB
18h 43m2 stops
British Airways Logo
10:55 am - 11:03 pmDUB-SDF
17h 08m2 stops
$755British Airways
Find Deal
Sun, Oct 5 - Wed, Oct 15
Delta Logo
10:26 am - 7:55 amSDF-DUB
16h 29m2 stops
Delta Logo
10:00 am - 11:52 pmDUB-SDF
18h 52m2 stops
$756Delta
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Thu, Sep 11 - Sun, Sep 14
Delta Logo
8:20 am - 7:45 amSDF-DUB
18h 25m2 stops
Delta Logo
6:00 am - 5:19 pmDUB-SDF
16h 19m2 stops
$770Delta
Find Deal
Sat, Dec 13 - Sun, Dec 28

Delta flights from Louisville to Ireland

Our best Delta deals on Louisville to Ireland flight tickets
Delta
Sep 11
SDF10:26 amLouisville Intl
16h 29m
2 stops
DUB7:55 amDublin
Sep 14
DUB10:00 amDublin
18h 52m
2 stops
SDF11:52 pmLouisville Intl
$756
Find similar
Delta
Dec 13
SDF8:20 amLouisville Intl
18h 25m
2 stops
DUB7:45 amDublin
Dec 28
DUB6:00 amDublin
16h 19m
2 stops
SDF5:19 pmLouisville Intl
$770
Find similar
Delta
Sep 11
SDF10:26 amLouisville Intl
16h 29m
2 stops
DUB7:55 amDublin
Sep 14
DUB11:00 amDublin
16h 46m
1 stop
SDF10:46 pmLouisville Intl
$776
Find similar

KLM flights from Louisville to Ireland

Our best KLM deals on Louisville to Ireland flight tickets
KLM
Oct 8
SDF12:54 pmLouisville Intl
14h 51m
1 stop
DUB8:45 amDublin
Oct 15
DUB10:00 amDublin
17h 54m
1 stop
SDF10:54 pmLouisville Intl
$641
Find similar
KLM
Oct 5
SDF12:31 pmLouisville Intl
14h 24m
1 stop
DUB7:55 amDublin
Oct 15
DUB10:00 amDublin
13h 30m
1 stop
SDF6:30 pmLouisville Intl
$746
Find similar
KLM
Sep 21
SDF12:48 pmLouisville Intl
14h 57m
1 stop
DUB8:45 amDublin
Oct 5
DUB11:00 amDublin
17h 52m
1 stop
SDF11:52 pmLouisville Intl
$806
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 August 26, 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

Mon 2/9

1:50 pm-7:30 am

1 stop12h 40m

Dublin

Thu 2/19

10:40 am-8:14 pm

1 stop14h 34m

$532

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-9:47 pm

2 stops15h 17m

$534

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

7:54 am-8:40 am

1 stop19h 46m

Dublin

Thu 2/19

11:30 am-9:08 pm

2 stops14h 38m

$537

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

1:50 pm-7:30 am

1 stop12h 40m

Dublin

Thu 2/19

10:40 am-4:49 pm

1 stop11h 09m

$552

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 10/8

12:54 pm-8:45 am

1 stop14h 51m

Dublin

Wed 10/15

10:00 am-10:54 pm

1 stop17h 54m

$641

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/5

12:31 pm-7:55 am

1 stop14h 24m

Dublin

Wed 10/15

10:00 am-6:30 pm

1 stop13h 30m

$746

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/5

6:12 pm-2:15 pm

2 stops15h 03m

Dublin

Wed 10/15

10:55 am-11:03 pm

2 stops17h 08m

$747

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/5

9:57 am-9:40 am

2 stops18h 43m

Dublin

Wed 10/15

10:55 am-11:03 pm

2 stops17h 08m

$755

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Thu 9/11

10:26 am-7:55 am

2 stops16h 29m

Dublin

Sun 9/14

10:00 am-11:52 pm

2 stops18h 52m

$756

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sat 12/13

8:20 am-7:45 am

2 stops18h 25m

Dublin

Sun 12/28

6:00 am-5:19 pm

2 stops16h 19m

$770

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, November 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 $531. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $589.

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 $847 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 $670 on momondo.

Cheap Louisville to Ireland flight deals and tips

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

Direct flights

None
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
American AirlinesPriceFrom $495Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom $523Free CancellationRating
7.8
1,387 reviews
Search KLM flights
DeltaPriceFrom $536Free CancellationRating
7.9
7,979 reviews
Search Delta flights
United AirlinesPriceFrom $562Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $662Free CancellationRating
7.4
1,477 reviews
Search Scandinavian 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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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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