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

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

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.

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.

$330 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.

7:55 pm - 7:50 pm

SDF

MAD

17h 55m

2 stops

12:00 pm - 10:09 pm

MAD

SDF

16h 09m

2 stops

$733Lufthansa

Tue, Aug 4 - Fri, Dec 4

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

Tue, Sep 22 - Tue, 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

Tue, Aug 4 - Fri, Dec 4

7:07 pm - 3:50 pm

SDF

MAD

14h 43m

2 stops

1:35 pm - 10:58 pm

MAD

SDF

15h 23m

1 stop

$746British Airways

Sun, Sep 20 - Fri, Sep 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

Tue, Sep 22 - Tue, Oct 20

12:17 pm - 6:30 am

SDF

DUB

13h 13m

1 stop

1:45 pm - 9:59 pm

DUB

SDF

13h 14m

2 stops

$782American Airlines

Tue, Aug 18 - Wed, Aug 26

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

Mon, Sep 14 - Fri, Sep 18

12:42 pm - 7:40 am

SDF

KEF

14h 58m

1 stop

8:45 am - 5:12 pm

KEF

SDF

12h 27m

1 stop

$855Delta

Tue, May 12 - Wed, May 20

1:20 pm - 7:00 am

SDF

KEF

13h 40m

1 stop

9:30 am - 10:50 pm

KEF

SDF

17h 20m

1 stop

$900KLM

Tue, Aug 18 - Tue, Aug 25

12:53 pm - 7:00 am

SDF

KEF

14h 07m

2 stops

8:45 am - 7:01 pm

KEF

SDF

14h 16m

2 stops

$904KLM

Tue, Aug 18 - Tue, Aug 25

Lufthansa flights from Louisville to Europe

Our best Lufthansa deals on Louisville to Europe flight tickets

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

Lufthansa

Aug 4

SDF1:06 pmLouisville Intl

19h 04m

2 stops

MAD2:10 pmMadrid Barajas

Dec 4

MAD12:00 pmMadrid Barajas

16h 09m

2 stops

SDF10:09 pmLouisville Intl

$801

Lufthansa

Sep 22

SDF7:43 pmLouisville Intl

11h 27m

1 stop

MUC1:10 pmMunich Franz Josef Strauss

Oct 7

MUC10:00 amMunich Franz Josef Strauss

12h 49m

1 stop

SDF4:49 pmLouisville Intl

$850

United Airlines flights from Louisville to Europe

Our best United Airlines deals on Louisville to Europe flight tickets

United Airlines

Sep 22

SDF6:00 amLouisville Intl

20h 05m

1 stop

MAD8:05 amMadrid Barajas

Oct 20

MAD1:30 pmMadrid Barajas

33h 19m

2 stops

SDF4:49 pmLouisville Intl

$738

United Airlines

Sep 22

SDF6:00 amLouisville Intl

20h 05m

1 stop

MAD8:05 amMadrid Barajas

Oct 20

MAD1:30 pmMadrid Barajas

33h 19m

2 stops

SDF4:49 pmLouisville Intl

$739

United Airlines

Sep 22

SDF6:15 amLouisville Intl

18h 35m

2 stops

MAD6:50 amMadrid Barajas

Oct 20

MAD1:30 pmMadrid Barajas

33h 19m

2 stops

SDF4:49 pmLouisville Intl

$742

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Tue 8/4

7:55 pm-7:50 pm

2 stops17h 55m

Madrid Barajas

Fri 12/4

12:00 pm-10:09 pm

2 stops16h 09m

$733

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Tue 9/22

6:00 am-8:05 am

1 stop20h 05m

Madrid Barajas

Tue 10/20

1:30 pm-4:49 pm

2 stops33h 19m

$738

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Tue 8/4

10:43 am-1:30 pm

1 stop20h 47m

Madrid Barajas

Fri 12/4

12:40 pm-7:13 pm

1 stop12h 33m

$745

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Sun 9/20

7:07 pm-3:50 pm

2 stops14h 43m

Madrid Barajas

Fri 9/25

1:35 pm-10:58 pm

1 stop15h 23m

$746

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Tue 9/22

5:00 pm-10:30 am

1 stop11h 30m

Madrid Barajas

Tue 10/20

11:45 am-10:55 pm

1 stop17h 10m

$750

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 8/18

12:17 pm-6:30 am

1 stop13h 13m

Dublin

Wed 8/26

1:45 pm-9:59 pm

2 stops13h 14m

$782

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 9/14

3:24 pm-9:15 am

2 stops12h 51m

Dublin

Fri 9/18

5:55 am-3:44 pm

2 stops14h 49m

$801

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 5/12

12:42 pm-7:40 am

1 stop14h 58m

Reykjavik Keflavik Intl

Wed 5/20

8:45 am-5:12 pm

1 stop12h 27m

$855

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

1:20 pm-7:00 am

1 stop13h 40m

Reykjavik Keflavik Intl

Tue 8/25

9:30 am-10:50 pm

1 stop17h 20m

$900

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

12:53 pm-7:00 am

2 stops14h 07m

Reykjavik Keflavik Intl

Tue 8/25

8:45 am-7:01 pm

2 stops14h 16m

$904

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.

Search flight deals

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 9,567 reviews	Search United Airlines flights
Delta	PriceFrom $338	Free Cancellation	Rating 7.9 8,404 reviews	Search Delta flights
Iberia	PriceFrom $449	Free Cancellation	Rating 7.0 3,178 reviews	Search Iberia flights
American Airlines	PriceFrom $483	Free Cancellation	Rating 7.1 11,568 reviews	Search American Airlines flights
British Airways	PriceFrom $491	Free Cancellation	Rating 6.7 7,871 reviews	Search British Airways flights
KLM	PriceFrom $508	Free Cancellation	Rating 7.7 1,493 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 1,748 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 7,908 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.