What airlines fly to Europe?

British Airways, Delta and United Airlines 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 32% 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.

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

British Airways, KLM, and Iberia are the most popular carriers operating from Louisville Intl to Europe

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 April 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.

$315 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.

1:48 pm - 5:40 pm

SDF

MAD

21h 52m

2 stops

12:00 pm - 10:09 pm

MAD

SDF

16h 09m

2 stops

$722Lufthansa

dt., ag. 4 - dv., des. 4

7:43 pm - 11:40 pm

SDF

MAD

21h 57m

2 stops

5:55 am - 10:09 pm

MAD

SDF

22h 14m

2 stops

$731Lufthansa

dl., set. 21 - dc., set. 30

6:00 am - 8:05 am

SDF

MAD

20h 05m

1 stop

1:30 pm - 4:49 pm

MAD

SDF

33h 19m

2 stops

$738United Airlines

dt., set. 22 - dt., oct.. 20

10:15 am - 9:00 am

SDF

MAD

16h 45m

2 stops

1:30 pm - 4:49 pm

MAD

SDF

33h 19m

2 stops

$743United Airlines

dt., set. 22 - dt., oct.. 20

10:43 am - 1:30 pm

SDF

MAD

20h 47m

1 stop

12:40 pm - 7:13 pm

MAD

SDF

12h 33m

1 stop

$745British Airways

dt., ag. 4 - dv., des. 4

7:07 pm - 3:50 pm

SDF

MAD

14h 43m

2 stops

1:00 pm - 12:07 am

MAD

SDF

17h 07m

1 stop

$746British Airways

dg., set. 20 - dv., set. 25

5:00 pm - 10:30 am

SDF

MAD

11h 30m

1 stop

11:45 am - 10:55 pm

MAD

SDF

17h 10m

1 stop

$750American Airlines

dt., set. 22 - dt., oct.. 20

2:43 pm - 9:10 am

SDF

FCO

12h 27m

1 stop

2:15 pm - 12:30 am

FCO

SDF

16h 15m

1 stop

$790American Airlines

dg., ag. 16 - dt., ag. 25

3:24 pm - 9:15 am

SDF

DUB

12h 51m

2 stops

5:55 am - 3:44 pm

DUB

SDF

14h 49m

2 stops

$801Delta

dl., set. 14 - dv., set. 18

10:43 am - 10:00 am

SDF

ATH

16h 17m

1 stop

10:05 am - 8:57 pm

ATH

SDF

17h 52m

1 stop

$964Delta

dg., ag. 30 - dv., set. 11

Lufthansa flights from Louisville to Europe

Our best Lufthansa deals on Louisville to Europe flight tickets

Lufthansa

Aug 4

SDF1:48 pmLouisville Intl

21h 52m

2 stops

MAD5:40 pmMadrid Barajas

Dec 4

MAD12:00 pmMadrid Barajas

16h 09m

2 stops

SDF10:09 pmLouisville Intl

$722

Lufthansa

Sep 21

SDF7:43 pmLouisville Intl

21h 57m

2 stops

MAD11:40 pmMadrid Barajas

Sep 30

MAD5:55 amMadrid Barajas

22h 14m

2 stops

SDF10:09 pmLouisville Intl

$731

Lufthansa

Aug 4

SDF7:55 pmLouisville Intl

17h 55m

2 stops

MAD7:50 pmMadrid Barajas

Dec 4

MAD12:00 pmMadrid Barajas

16h 09m

2 stops

SDF10:09 pmLouisville Intl

$733

Delta flights from Louisville to Europe

Our best Delta deals on Louisville to Europe flight tickets

Delta

Sep 22

SDF10:43 amLouisville Intl

17h 12m

2 stops

MAD9:55 amMadrid Barajas

Oct 20

MAD2:35 pmMadrid Barajas

27h 43m

1 stop

SDF12:18 pmLouisville Intl

$763

Delta

Sep 22

SDF8:20 amLouisville Intl

19h 35m

2 stops

MAD9:55 amMadrid Barajas

Oct 20

MAD10:05 amMadrid Barajas

17h 36m

2 stops

SDF9:41 pmLouisville Intl

$767

Delta

Sep 14

SDF3:24 pmLouisville Intl

12h 51m

2 stops

DUB9:15 amDublin

Sep 18

DUB5:55 amDublin

14h 49m

2 stops

SDF3:44 pmLouisville Intl

$801

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dt. 8/4

1:48 pm-5:40 pm

2 stops21h 52m

Madrid Barajas

dv. 12/4

12:00 pm-10:09 pm

2 stops16h 09m

$722

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dl. 9/21

7:43 pm-11:40 pm

2 stops21h 57m

Madrid Barajas

dc. 9/30

5:55 am-10:09 pm

2 stops22h 14m

$731

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dt. 9/22

6:00 am-8:05 am

1 stop20h 05m

Madrid Barajas

dt. 10/20

1:30 pm-4:49 pm

2 stops33h 19m

$738

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dt. 9/22

10:15 am-9:00 am

2 stops16h 45m

Madrid Barajas

dt. 10/20

1:30 pm-4:49 pm

2 stops33h 19m

$743

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dt. 8/4

10:43 am-1:30 pm

1 stop20h 47m

Madrid Barajas

dv. 12/4

12:40 pm-7:13 pm

1 stop12h 33m

$745

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dg. 9/20

7:07 pm-3:50 pm

2 stops14h 43m

Madrid Barajas

dv. 9/25

1:00 pm-12:07 am

1 stop17h 07m

$746

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dt. 9/22

5:00 pm-10:30 am

1 stop11h 30m

Madrid Barajas

dt. 10/20

11:45 am-10:55 pm

1 stop17h 10m

$750

LouisvilleRome

SDF - FCO

SDFFCO

Louisville Intl

dg. 8/16

2:43 pm-9:10 am

1 stop12h 27m

Rome Fiumicino

dt. 8/25

2:15 pm-12:30 am

1 stop16h 15m

$790

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

dl. 9/14

3:24 pm-9:15 am

2 stops12h 51m

Dublin

dv. 9/18

5:55 am-3:44 pm

2 stops14h 49m

$801

LouisvilleAthens

SDF - ATH

SDFATH

Louisville Intl

dg. 8/30

10:43 am-10:00 am

1 stop16h 17m

Athens Eleftherios V.

dv. 9/11

10:05 am-8:57 pm

1 stop17h 52m

$964

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 $715.

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 $903 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 $754 on momondo.

Can stopping save me money on Louisville to Europe flights?

You could potentially save up to 12% 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	9h 07m
Direct flights	None

The fastest flight from Louisville to Europe takes 9h 07m

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

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Frequently asked questions about flying from Louisville to Europe

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 April 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
United Airlines	PriceFrom $335	Free Cancellation	Rating 7.4 9,550 reviews	Search United Airlines flights
Delta	PriceFrom $338	Free Cancellation	Rating 7.9 8,388 reviews	Search Delta flights
Iberia	PriceFrom $449	Free Cancellation	Rating 7.0 3,167 reviews	Search Iberia flights
American Airlines	PriceFrom $483	Free Cancellation	Rating 7.1 11,552 reviews	Search American Airlines flights
British Airways	PriceFrom $491	Free Cancellation	Rating 6.7 7,859 reviews	Search British Airways flights
KLM	PriceFrom $508	Free Cancellation	Rating 7.7 1,491 reviews	Search KLM flights
Air France	PriceFrom $519	Free Cancellation	Rating 7.4 1,564 reviews	Search Air France flights
Scandinavian Airlines	PriceFrom $546	Free Cancellation	Rating 7.3 1,746 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom $577	Free Cancellation	Rating 7.5 685 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $651	Free Cancellation	Rating 6.8 7,896 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.