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Cheap flights from Louisville to Ireland from $421

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 9/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:21 pm - 9:45 amSDF  Louisville Intl-DUB Dublin
15h 24m1 stop Dallas/Fort Worth
American Airlines Logo
11:30 am - 10:03 pmDUB  Dublin-SDF Louisville Intl
15h 33m1 stop Philadelphia
$706American Airlines
Tue, Oct 20 - Wed, Nov 4
American Airlines Logo
12:30 pm - 6:30 amSDF  Louisville Intl-DUB Dublin
13h 00m1 stop Philadelphia
American Airlines Logo
1:00 pm - 9:10 pmDUB  Dublin-SDF Louisville Intl
13h 10m1 stop Dallas/Fort Worth
$706American Airlines
Tue, Oct 20 - Wed, Nov 4
Air Canada Logo
7:00 am - 8:15 amSDF  Louisville Intl-DUB Dublin
20h 15m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
9:00 am - 6:32 pmDUB  Dublin-SDF Louisville Intl
38h 32m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$707Air Canada
Sun, Oct 18 - Thu, Nov 5
Air Canada Logo
7:00 am - 8:15 amSDF  Louisville Intl-DUB Dublin
20h 15m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
9:00 am - 6:32 pmDUB  Dublin-SDF Louisville Intl
38h 32m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$707Air Canada
Wed, Oct 21 - Thu, Nov 5
United Airlines Logo
11:00 am - 8:10 amSDF  Louisville Intl-DUB Dublin
16h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
9:00 am - 1:02 pmDUB  Dublin-SDF Louisville Intl
33h 02m2 stops Toronto Pearson Intl Newark
$718United Airlines
Mon, Jan 25 - Thu, Jan 28
United Airlines Logo
6:16 pm - 9:45 amSDF  Louisville Intl-DUB Dublin
10h 29m1 stop Chicago O'Hare Intl
United Airlines Logo
9:00 am - 10:30 pmDUB  Dublin-SDF Louisville Intl
18h 30m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$722United Airlines
Wed, Oct 21 - Thu, Nov 5
Delta Logo
1:59 pm - 8:45 amSDF  Louisville Intl-DUB Dublin
13h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:50 am - 9:13 pmDUB  Dublin-SDF Louisville Intl
17h 23m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$762Delta
Mon, Oct 19 - Tue, Nov 3
Delta Logo
5:59 pm - 3:25 pmSDF  Louisville Intl-DUB Dublin
16h 26m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
8:50 am - 9:13 pmDUB  Dublin-SDF Louisville Intl
17h 23m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$767Delta
Mon, Oct 19 - Tue, Nov 3
KLM Logo
12:34 pm - 7:55 amSDF  Louisville Intl-DUB Dublin
14h 21m1 stop Minneapolis St Paul
KLM Logo
1:25 pm - 11:59 pmDUB  Dublin-SDF Louisville Intl
15h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$779KLM
Wed, Sep 23 - Thu, Oct 8
KLM Logo
1:15 pm - 8:45 amSDF  Louisville Intl-DUB Dublin
14h 30m1 stop Atlanta Hartsfield-Jackson
KLM Logo
1:25 pm - 11:59 pmDUB  Dublin-SDF Louisville Intl
15h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$779KLM
Tue, Sep 22 - Wed, Oct 7

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Air Canada flights from Louisville to Ireland

Our best Air Canada deals on Louisville to Ireland flight tickets
Air Canada
Oct 17
SDF10:13 amLouisville Intl
41h 02m
2 stops
DUB8:15 amDublin
Nov 5
DUB9:00 amDublin
40h 39m
2 stops
SDF8:39 pmLouisville Intl
$707
Air Canada
Sep 23
SDF1:50 pmLouisville Intl
12h 55m
2 stops
DUB7:45 amDublin
Oct 6
DUB9:50 amDublin
31h 49m
2 stops
SDF12:39 pmLouisville Intl
$737
Air Canada
Oct 7
SDF10:25 amLouisville Intl
16h 50m
2 stops
DUB8:15 amDublin
Oct 22
DUB9:50 amDublin
39h 23m
2 stops
SDF8:13 pmLouisville Intl
$742

British Airways flights from Louisville to Ireland

Our best British Airways deals on Louisville to Ireland flight tickets
British Airways
Oct 20
SDF12:45 pmLouisville Intl
15h 55m
2 stops
DUB9:40 amDublin
Nov 4
DUB8:40 pmDublin
25h 45m
2 stops
SDF5:25 pmLouisville Intl
$744
British Airways
Oct 21
SDF6:00 pmLouisville Intl
17h 05m
2 stops
DUB4:05 pmDublin
Nov 4
DUB8:40 pmDublin
25h 45m
2 stops
SDF5:25 pmLouisville Intl
$764
British Airways
Sep 23
SDF10:29 amLouisville Intl
20h 36m
2 stops
DUB12:05 pmDublin
Sep 28
DUB8:30 pmDublin
27h 40m
2 stops
SDF7:10 pmLouisville Intl
$771

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 17, 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 Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 10/20

1:21 pm-9:45 am

1 stop15h 24m

Dublin

Wed 11/4

11:30 am-10:03 pm

1 stop15h 33m

$706
Quickest round-trip

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 10/20

12:30 pm-6:30 am

1 stop13h 00m

Dublin

Wed 11/4

1:00 pm-9:10 pm

1 stop13h 10m

$706

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Sun 10/18

7:00 am-8:15 am

2 stops20h 15m

Dublin

Thu 11/5

9:00 am-6:32 pm

2 stops38h 32m

$707

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 10/21

7:00 am-8:15 am

2 stops20h 15m

Dublin

Thu 11/5

9:00 am-6:32 pm

2 stops38h 32m

$707

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 1/25

11:00 am-8:10 am

1 stop16h 10m

Dublin

Thu 1/28

9:00 am-1:02 pm

2 stops33h 02m

$718

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 10/21

6:16 pm-9:45 am

1 stop10h 29m

Dublin

Thu 11/5

9:00 am-10:30 pm

2 stops18h 30m

$722

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 10/19

1:59 pm-8:45 am

1 stop13h 46m

Dublin

Tue 11/3

8:50 am-9:13 pm

2 stops17h 23m

$762

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Mon 10/19

5:59 pm-3:25 pm

2 stops16h 26m

Dublin

Tue 11/3

8:50 am-9:13 pm

2 stops17h 23m

$767

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Wed 9/23

12:34 pm-7:55 am

1 stop14h 21m

Dublin

Thu 10/8

1:25 pm-11:59 pm

2 stops15h 34m

$779

LouisvilleDublin

SDF Louisville Intl - DUB Dublin

SDFDUB

Louisville Intl

Tue 9/22

1:15 pm-8:45 am

1 stop14h 30m

Dublin

Wed 10/7

1:25 pm-11:59 pm

2 stops15h 34m

$779

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 $483.

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 45m

Direct flights

None
The fastest flight from Louisville to Ireland takes 12h 45m
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
1,560 reviews
Search KLM flights
DeltaPriceFrom $483Free CancellationRating
7.8
8,503 reviews
Search Delta flights
American AirlinesPriceFrom $488Free CancellationRating
7.1
11,944 reviews
Search American Airlines flights
United AirlinesPriceFrom $520Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights
Aer LingusPriceFrom $963Free CancellationRating
7.3
1,708 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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