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 33% 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, Iberia, and United 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 May 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.

$316 Cheap Flights from Louisville to Europe in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

7:30 pm - 3:30 am

SDF

IST

25h 00m

2 stops

6:00 am - 10:35 pm

IST

SDF

23h 35m

2 stops

$694Delta

dl., set. 7 - dc., oct.. 7

6:26 pm - 3:30 am

SDF

IST

26h 04m

2 stops

4:25 am - 10:35 pm

IST

SDF

25h 10m

2 stops

$695Delta

dl., set. 7 - dc., oct.. 7

10:00 am - 7:45 am

SDF

MAD

15h 45m

1 stop

1:35 pm - 7:34 pm

MAD

SDF

35h 59m

2 stops

$734United Airlines

dc., nov.. 4 - dt., nov.. 10

6:30 am - 8:00 am

SDF

MAD

19h 30m

2 stops

1:35 pm - 7:34 pm

MAD

SDF

35h 59m

2 stops

$738United Airlines

dc., nov.. 4 - dt., nov.. 10

12:43 pm - 8:50 am

SDF

MAD

14h 07m

1 stop

1:15 pm - 9:39 pm

MAD

SDF

14h 24m

1 stop

$750American Airlines

dc., nov.. 4 - dc., nov.. 11

5:20 pm - 1:40 pm

SDF

BCN

14h 20m

2 stops

11:00 am - 11:39 pm

BCN

SDF

18h 39m

1 stop

$750American Airlines

dc., nov.. 4 - dc., nov.. 11

8:04 pm - 5:05 pm

SDF

BCN

15h 01m

2 stops

7:40 am - 7:43 pm

BCN

SDF

18h 03m

2 stops

$768British Airways

dg., set. 27 - dj., oct.. 8

12:43 pm - 10:35 am

SDF

CDG

15h 52m

2 stops

10:25 am - 10:59 pm

CDG

SDF

18h 34m

2 stops

$828British Airways

dc., nov.. 4 - dc., nov.. 11

1:00 pm - 9:15 am

SDF

LCY

15h 15m

2 stops

9:50 am - 11:15 pm

LCY

SDF

18h 25m

2 stops

$997Lufthansa

dc., nov.. 4 - dc., nov.. 11

7:43 pm - 5:55 pm

SDF

LCY

17h 12m

2 stops

9:15 am - 12:05 am

LCY

SDF

19h 50m

2 stops

$998Lufthansa

dl., set. 14 - dc., set. 23

Delta flights from Louisville to Europe

Our best Delta deals on Louisville to Europe flight tickets

Delta

Sep 7

SDF7:30 pmLouisville Intl

25h 00m

2 stops

IST3:30 amIstanbul

Oct 7

IST6:00 amIstanbul

23h 35m

2 stops

SDF10:35 pmLouisville Intl

$694

Delta

Sep 7

SDF6:26 pmLouisville Intl

26h 04m

2 stops

IST3:30 amIstanbul

Oct 7

IST4:25 amIstanbul

25h 10m

2 stops

SDF10:35 pmLouisville Intl

$695

Delta

Aug 1

SDF5:27 pmLouisville Intl

27h 03m

2 stops

IST3:30 amIstanbul

Oct 1

IST6:00 amIstanbul

22h 37m

2 stops

SDF9:37 pmLouisville Intl

$744

KLM flights from Louisville to Europe

Our best KLM deals on Louisville to Europe flight tickets

KLM

Sep 13

SDF3:24 pmLouisville Intl

12h 21m

1 stop

DUB8:45 amDublin

Sep 25

DUB11:00 amDublin

14h 52m

1 stop

SDF8:52 pmLouisville Intl

$864

KLM

Oct 18

SDF3:24 pmLouisville Intl

15h 16m

1 stop

FCO12:40 pmRome Fiumicino

Oct 27

FCO10:00 amRome Fiumicino

16h 41m

1 stop

SDF9:41 pmLouisville Intl

$926

KLM

May 19

SDF2:34 pmLouisville Intl

15h 36m

2 stops

MAD12:10 pmMadrid Barajas

May 26

MAD9:50 amMadrid Barajas

20h 35m

1 stop

SDF12:25 amLouisville Intl

$1,068

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleIstanbul

SDF - IST

SDFIST

Louisville Intl

dl. 9/7

7:30 pm-3:30 am

2 stops25h 00m

Istanbul

dc. 10/7

6:00 am-10:35 pm

2 stops23h 35m

$694

LouisvilleIstanbul

SDF - IST

SDFIST

Louisville Intl

dl. 9/7

6:26 pm-3:30 am

2 stops26h 04m

Istanbul

dc. 10/7

4:25 am-10:35 pm

2 stops25h 10m

$695

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dc. 11/4

10:00 am-7:45 am

1 stop15h 45m

Madrid Barajas

dt. 11/10

1:35 pm-7:34 pm

2 stops35h 59m

$734

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dc. 11/4

6:30 am-8:00 am

2 stops19h 30m

Madrid Barajas

dt. 11/10

1:35 pm-7:34 pm

2 stops35h 59m

$738

Quickest round-trip

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

dc. 11/4

12:43 pm-8:50 am

1 stop14h 07m

Madrid Barajas

dc. 11/11

1:15 pm-9:39 pm

1 stop14h 24m

$750

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

dc. 11/4

5:20 pm-1:40 pm

2 stops14h 20m

Barcelona-El Prat

dc. 11/11

11:00 am-11:39 pm

1 stop18h 39m

$750

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

dg. 9/27

8:04 pm-5:05 pm

2 stops15h 01m

Barcelona-El Prat

dj. 10/8

7:40 am-7:43 pm

2 stops18h 03m

$768

LouisvilleParis

SDF - CDG

SDFCDG

Louisville Intl

dc. 11/4

12:43 pm-10:35 am

2 stops15h 52m

Paris Charles de Gaulle

dc. 11/11

10:25 am-10:59 pm

2 stops18h 34m

$828

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

dc. 11/4

1:00 pm-9:15 am

2 stops15h 15m

London City

dc. 11/11

9:50 am-11:15 pm

2 stops18h 25m

$997

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

dl. 9/14

7:43 pm-5:55 pm

2 stops17h 12m

London City

dc. 9/23

9:15 am-12:05 am

2 stops19h 50m

$998

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 June. Flight prices, which tend to average around $335, 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 June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $338.

How far in advance should I book a flight from Louisville 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 $916 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 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 May 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 9,717 reviews	Search United Airlines flights
Delta	PriceFrom $338	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
Iberia	PriceFrom $449	Free Cancellation	Rating 7.0 3,216 reviews	Search Iberia flights
American Airlines	PriceFrom $483	Free Cancellation	Rating 7.1 11,663 reviews	Search American Airlines flights
British Airways	PriceFrom $491	Free Cancellation	Rating 6.7 7,980 reviews	Search British Airways flights
KLM	PriceFrom $508	Free Cancellation	Rating 7.8 1,517 reviews	Search KLM flights
Air France	PriceFrom $519	Free Cancellation	Rating 7.4 1,589 reviews	Search Air France flights
Scandinavian Airlines	PriceFrom $546	Free Cancellation	Rating 7.4 1,777 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom $577	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $651	Free Cancellation	Rating 6.8 8,002 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.