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 34% 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?

Lufthansa, United Airlines, and American Airlines 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 July 2026, there are 9 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.

$289 Cheap Flights from Louisville to Europe in 2026

Discover deals from 900+ travel sites with momondo.

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.

10:25 am - 6:15 am

SDF

KEF

15h 50m

1 stop

4:55 pm - 9:45 am

KEF

SDF

20h 50m

1 stop

$502Multiple Airlines

Fri, Sep 18 - Sun, Sep 20

10:55 am - 6:40 am

SDF

KEF

15h 45m

1 stop

4:45 pm - 10:11 am

KEF

SDF

21h 26m

1 stop

$563Multiple Airlines

Wed, Oct 21 - Fri, Oct 30

10:26 am - 8:20 am

SDF

MAD

15h 54m

1 stop

11:30 am - 10:59 pm

MAD

SDF

17h 29m

1 stop

$710American Airlines

Mon, Oct 5 - Tue, Oct 20

2:12 pm - 8:05 am

SDF

MAD

11h 53m

1 stop

1:30 pm - 7:11 pm

MAD

SDF

35h 41m

2 stops

$715United Airlines

Mon, Oct 5 - Tue, Oct 20

10:00 am - 6:50 am

SDF

MAD

38h 50m

2 stops

1:30 pm - 7:11 pm

MAD

SDF

35h 41m

2 stops

$724United Airlines

Mon, Oct 5 - Tue, Oct 20

6:00 pm - 9:35 am

SDF

DUB

10h 35m

1 stop

11:30 am - 10:07 pm

DUB

SDF

14h 37m

1 stop

$735American Airlines

Mon, Oct 12 - Tue, Oct 27

8:20 am - 8:45 am

SDF

DUB

19h 25m

1 stop

5:45 am - 7:01 pm

DUB

SDF

17h 16m

2 stops

$752Delta

Sun, Oct 11 - Tue, Oct 27

3:24 pm - 8:45 am

SDF

DUB

12h 21m

1 stop

10:45 am - 9:01 pm

DUB

SDF

14h 16m

1 stop

$755Delta

Sun, Oct 11 - Tue, Oct 27

1:42 pm - 5:35 pm

SDF

CDG

21h 53m

2 stops

11:05 am - 8:33 pm

CDG

SDF

15h 28m

2 stops

$787Lufthansa

Mon, Nov 16 - Wed, Nov 18

1:42 pm - 10:45 am

SDF

LHR

16h 03m

2 stops

8:45 am - 10:30 pm

LHR

SDF

18h 45m

2 stops

$888Lufthansa

Wed, Nov 4 - Wed, Nov 11

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American Airlines flights from Louisville to Europe

Our best American Airlines deals on Louisville to Europe flight tickets

American Airlines

Oct 5

SDF10:26 amLouisville Intl

15h 54m

1 stop

MAD8:20 amMadrid Barajas

Oct 20

MAD11:30 amMadrid Barajas

17h 29m

1 stop

SDF10:59 pmLouisville Intl

$710

American Airlines

Oct 12

SDF6:00 pmLouisville Intl

10h 35m

1 stop

DUB9:35 amDublin

Oct 27

DUB11:30 amDublin

14h 37m

1 stop

SDF10:07 pmLouisville Intl

$735

American Airlines

Sep 23

SDF7:30 amLouisville Intl

18h 00m

1 stop

DUB6:30 amDublin

Oct 7

DUB12:40 pmDublin

13h 45m

1 stop

SDF9:25 pmLouisville Intl

$740

Delta flights from Louisville to Europe

Our best Delta deals on Louisville to Europe flight tickets

Delta

Oct 11

SDF8:20 amLouisville Intl

19h 25m

1 stop

DUB8:45 amDublin

Oct 27

DUB5:45 amDublin

17h 16m

2 stops

SDF7:01 pmLouisville Intl

$752

Delta

Oct 11

SDF3:24 pmLouisville Intl

12h 21m

1 stop

DUB8:45 amDublin

Oct 27

DUB10:45 amDublin

14h 16m

1 stop

SDF9:01 pmLouisville Intl

$755

Delta

Sep 22

SDF5:40 pmLouisville Intl

11h 20m

1 stop

DUB10:00 amDublin

Oct 6

DUB8:55 amDublin

17h 19m

2 stops

SDF9:14 pmLouisville Intl

$756

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Fri 9/18

10:25 am-6:15 am

1 stop15h 50m

Reykjavik Keflavik Intl

Sun 9/20

4:55 pm-9:45 am

1 stop20h 50m

$502

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Wed 10/21

10:55 am-6:40 am

1 stop15h 45m

Reykjavik Keflavik Intl

Fri 10/30

4:45 pm-10:11 am

1 stop21h 26m

$563

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Mon 10/5

10:26 am-8:20 am

1 stop15h 54m

Madrid Barajas

Tue 10/20

11:30 am-10:59 pm

1 stop17h 29m

$710

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Mon 10/5

2:12 pm-8:05 am

1 stop11h 53m

Madrid Barajas

Tue 10/20

1:30 pm-7:11 pm

2 stops35h 41m

$715

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Mon 10/5

10:00 am-6:50 am

2 stops38h 50m

Madrid Barajas

Tue 10/20

1:30 pm-7:11 pm

2 stops35h 41m

$724

Quickest round-trip

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 10/12

6:00 pm-9:35 am

1 stop10h 35m

Dublin

Tue 10/27

11:30 am-10:07 pm

1 stop14h 37m

$735

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/11

8:20 am-8:45 am

1 stop19h 25m

Dublin

Tue 10/27

5:45 am-7:01 pm

2 stops17h 16m

$752

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 10/11

3:24 pm-8:45 am

1 stop12h 21m

Dublin

Tue 10/27

10:45 am-9:01 pm

1 stop14h 16m

$755

LouisvilleParis

SDF - CDG

SDFCDG

Louisville Intl

Mon 11/16

1:42 pm-5:35 pm

2 stops21h 53m

Paris Charles de Gaulle

Wed 11/18

11:05 am-8:33 pm

2 stops15h 28m

$787

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/4

1:42 pm-10:45 am

2 stops16h 03m

London Heathrow

Wed 11/11

8:45 am-10:30 pm

2 stops18h 45m

$888

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 $213, 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 July is also cheap. Prices for this month can be found on momondo for an average of $306.

Can stopping save me money on Louisville to Europe flights?

You could potentially save up to 23% 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 25m
Direct flights	None

The fastest flight from Louisville to Europe takes 10h 25m

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 July 2026, there are 9 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 9,981 reviews	Search United Airlines flights
Delta	PriceFrom $338	Free Cancellation	Rating 7.8 8,463 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $377	Free Cancellation	Rating 7.5 693 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $448	Free Cancellation	Rating 6.7 8,106 reviews	Search British Airways flights
American Airlines	PriceFrom $483	Free Cancellation	Rating 7.1 11,814 reviews	Search American Airlines flights
Air France	PriceFrom $519	Free Cancellation	Rating 7.5 1,625 reviews	Search Air France flights
KLM	PriceFrom $521	Free Cancellation	Rating 7.8 1,538 reviews	Search KLM flights
Scandinavian Airlines	PriceFrom $546	Free Cancellation	Rating 7.4 1,877 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $651	Free Cancellation	Rating 6.8 8,131 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.