What is the cheapest airline that flies from Louisville Intl to Europe?

British Airways, American Airlines, and Aer Lingus are the most popular carriers operating from Louisville Intl to Europe

What airlines fly to Europe?

British Airways, American Airlines and Delta are the top three most popular airlines that fly to Europe from Louisville according to our data. British Airways is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Europe. Keep in mind that there are 12 different airlines that fly to Europe on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Europe?

Prices for flights from Louisville Intl Airport to Europe were last updated today.

How many operators does momondo search for flights from Louisville Intl Airport to Europe?

As of January 2026, there are 10 operators available to choose from for flights from Louisville Intl Airport to Europe.

How old do you have to be to fly from Louisville Intl Airport to Europe?

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 Europe.

What documentation or ID do you need to fly to Europe?

The travel and health documents required for your trip to Europe can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Europe. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$304 Cheap Flights from Louisville to Europe in 2026

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Find the cheapest flights from Louisville to Europe

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:58 pm - 8:10 am

SDF

DUB

14h 12m1 stop

8:00 am - 8:14 pm

DUB

SDF

40h 14m2 stops

$452Multiple Airlines

Mon, Mar 9 - Mon, Mar 16

8:29 am - 8:10 am

SDF

DUB

18h 41m1 stop

9:00 am - 12:59 pm

DUB

SDF

32h 59m2 stops

$456United Airlines

Mon, Jan 26 - Mon, Feb 2

1:58 pm - 8:10 am

SDF

DUB

14h 12m1 stop

8:00 am - 8:14 pm

DUB

SDF

40h 14m2 stops

$457Multiple Airlines

Mon, Mar 9 - Mon, Mar 16

1:50 pm - 7:30 am

SDF

DUB

12h 40m1 stop

5:00 am - 7:25 pm

DUB

SDF

19h 25m2 stops

$470Lufthansa

Mon, Feb 9 - Thu, Feb 19

1:50 pm - 5:50 pm

SDF

MAD

22h 00m2 stops

6:00 am - 11:59 pm

MAD

SDF

22h 59m2 stops

$477Lufthansa

Tue, Mar 3 - Sat, Mar 14

6:32 pm - 9:55 pm

SDF

ATH

20h 23m2 stops

7:35 am - 11:19 pm

ATH

SDF

22h 44m2 stops

$491British Airways

Fri, Feb 6 - Tue, Feb 10

1:32 pm - 12:30 pm

SDF

MXP

16h 58m2 stops

11:30 am - 11:16 pm

MXP

SDF

17h 46m2 stops

$492British Airways

Fri, Feb 6 - Thu, Feb 12

3:05 pm - 8:05 am

SDF

MXP

12h 00m1 stop

8:30 am - 11:57 pm

MXP

SDF

20h 27m2 stops

$495Delta

Sun, Mar 15 - Mon, Mar 23

7:50 am - 9:45 am

SDF

FCO

19h 55m2 stops

12:40 pm - 11:50 pm

FCO

SDF

17h 10m1 stop

$512Delta

Fri, Jan 30 - Fri, Feb 6

12:15 pm - 7:55 am

SDF

MAD

13h 40m1 stop

2:45 pm - 11:59 pm

MAD

SDF

15h 14m1 stop

$539American Airlines

Thu, Apr 23 - Thu, Apr 30

United Airlines flights from Louisville to Europe

Our best United Airlines deals on Louisville to Europe flight tickets

United Airlines

Jan 26

SDF8:29 amLouisville Intl

18h 41m

1 stop

DUB8:10 amDublin

Feb 2

DUB9:00 amDublin

32h 59m

2 stops

SDF12:59 pmLouisville Intl

$456

Find similar

United Airlines

Jan 26

SDF8:29 amLouisville Intl

18h 41m

1 stop

DUB8:10 amDublin

Feb 2

DUB9:00 amDublin

32h 59m

2 stops

SDF12:59 pmLouisville Intl

$458

Find similar

United Airlines

Mar 9

SDF1:58 pmLouisville Intl

15h 57m

2 stops

DUB9:55 amDublin

Mar 16

DUB8:00 amDublin

34h 47m

2 stops

SDF2:47 pmLouisville Intl

$460

Find similar

Aer Lingus flights from Louisville to Europe

Our best Aer Lingus deals on Louisville to Europe flight tickets

Aer Lingus

Jan 13

SDF1:32 pmLouisville Intl

15h 48m

1 stop

DUB10:20 amDublin

Jan 16

DUB4:40 pmDublin

11h 39m

1 stop

SDF11:19 pmLouisville Intl

$700

Find similar

Aer Lingus

Jan 13

SDF1:32 pmLouisville Intl

18h 53m

2 stops

LHR1:25 pmLondon Heathrow

Jan 16

LHR8:50 amLondon Heathrow

19h 29m

2 stops

SDF11:19 pmLouisville Intl

$844

Find similar

Aer Lingus

Jan 13

SDF1:32 pmLouisville Intl

38h 23m

2 stops

MAD9:55 amMadrid Barajas

Jan 16

MAD7:20 amMadrid Barajas

21h 59m

2 stops

SDF11:19 pmLouisville Intl

$937

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

1:58 pm-8:10 am

1 stop14h 12m

Dublin

Mon 3/16

8:00 am-8:14 pm

2 stops40h 14m

$452

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 1/26

8:29 am-8:10 am

1 stop18h 41m

Dublin

Mon 2/2

9:00 am-12:59 pm

2 stops32h 59m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

1:58 pm-8:10 am

1 stop14h 12m

Dublin

Mon 3/16

8:00 am-8:14 pm

2 stops40h 14m

$457

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

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Tue 3/3

1:50 pm-5:50 pm

2 stops22h 00m

Madrid Barajas

Sat 3/14

6:00 am-11:59 pm

2 stops22h 59m

$477

LouisvilleAthens

SDF - ATH

SDFATH

Louisville Intl

Fri 2/6

6:32 pm-9:55 pm

2 stops20h 23m

Athens Eleftherios V.

Tue 2/10

7:35 am-11:19 pm

2 stops22h 44m

$491

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Fri 2/6

1:32 pm-12:30 pm

2 stops16h 58m

Milan Malpensa

Thu 2/12

11:30 am-11:16 pm

2 stops17h 46m

$492

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Sun 3/15

3:05 pm-8:05 am

1 stop12h 00m

Milan Malpensa

Mon 3/23

8:30 am-11:57 pm

2 stops20h 27m

$495

LouisvilleRome

SDF - FCO

SDFFCO

Louisville Intl

Fri 1/30

7:50 am-9:45 am

2 stops19h 55m

Rome Fiumicino

Fri 2/6

12:40 pm-11:50 pm

1 stop17h 10m

$512

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Thu 4/23

12:15 pm-7:55 am

1 stop13h 40m

Madrid Barajas

Thu 4/30

2:45 pm-11:59 pm

1 stop15h 14m

$539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Europe

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

Prices

Airlines

What is the cheapest month to fly to Europe?

The cheapest month to fly to Europe from Louisville is in October. Flight prices, which tend to average around $699, are often lower during this time because this is during the off-season. If you aren’t able to travel to Europe during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $702.

How far in advance should I book a flight to Europe?

You are more likely to see cheaper flights to Europe from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $940 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Europe from Louisville for as low as $749 on momondo.

Can stopping save me money on Louisville to Europe flights?

You could potentially save up to 21% on your flight if you consider stops on a Louisville to Europe flight.

Cheap Louisville to Europe flight deals and tips

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

Fastest flight time	10h 20m
Direct flights	None

The fastest flight from Louisville to Europe takes 10h 20m

There are no direct flights from Louisville to Europe. There are no popular flight routes from Louisville to Europe.

Search flight deals

When did momondo last update prices for flights from Louisville Intl Airport to Europe?
Prices for flights from Louisville Intl Airport to Europe were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to Europe?
As of January 2026, there are 10 operators available to choose from for flights from Louisville Intl Airport to Europe.
How old do you have to be to fly from Louisville Intl Airport to Europe?
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 Europe.
What documentation or ID do you need to fly to Europe?
The travel and health documents required for your trip to Europe can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Europe. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Louisville to Europe

Compare and see reviews for airlines that fly from Louisville to Europe with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $338	Free Cancellation	Rating 7.9 8,017 reviews	Search Delta flights
American Airlines	PriceFrom $483	Free Cancellation	Rating 7.2 11,071 reviews	Search American Airlines flights
KLM	PriceFrom $508	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
United Airlines	PriceFrom $514	Free Cancellation	Rating 7.4 9,131 reviews	Search United Airlines flights
Air France	PriceFrom $519	Free Cancellation	Rating 7.4 1,514 reviews	Search Air France flights
British Airways	PriceFrom $531	Free Cancellation	Rating 6.7 7,631 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $546	Free Cancellation	Rating 7.4 1,629 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom $598	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom $606	Free Cancellation	Rating 7.0 3,058 reviews	Search Iberia flights
Lufthansa	PriceFrom $651	Free Cancellation	Rating 6.8 7,675 reviews	Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Europe?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Europe from Louisville.

Can I find flights from Louisville to Europe with flexible booking policies on momondo?

All flight searches from Louisville to Europe on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Europe?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Europe from Louisville.

I’m not ready to book a flight from Louisville to Europe right now. Can momondo alert me if prices change?

Price alerts on flights to Europe from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.