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

Air Canada, Lufthansa, and United Airlines 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 29% 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 November 2025, there are 11 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.

$281 Cheap Flights from Louisville to Europe in 2025/26

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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.

8:35 am - 7:45 amSDF-DUB

18h 10m1 stop

9:45 am - 11:08 pmDUB-SDF

18h 23m1 stop

$424KLM

Find Deal

Sun, Nov 23 - Tue, Dec 9

9:00 am - 8:10 amSDF-DUB

18h 10m1 stop

9:00 am - 5:16 pmDUB-SDF

37h 16m2 stops

$455United Airlines

Find Deal

Fri, Nov 28 - Wed, Dec 10

5:35 am - 8:45 amSDF-DUB

22h 10m2 stops

8:50 am - 11:50 pmDUB-SDF

20h 00m2 stops

$461Delta

Find Deal

Sun, Feb 1 - Mon, Feb 9

10:51 am - 11:30 amSDF-MAD

18h 39m2 stops

10:00 am - 11:50 pmMAD-SDF

19h 50m2 stops

$461Delta

Find Deal

Wed, Jan 14 - Wed, Jan 21

7:13 pm - 1:35 pmSDF-DUB

13h 22m2 stops

11:30 am - 9:17 pmDUB-SDF

14h 47m1 stop

$474American Airlines

Find Deal

Mon, Feb 9 - Thu, Feb 19

6:12 pm - 5:50 pmSDF-MAD

17h 38m2 stops

8:30 am - 7:43 pmMAD-SDF

17h 13m2 stops

$489Lufthansa

Find Deal

Sun, Jan 11 - Wed, Jan 21

1:30 pm - 11:45 amSDF-MXP

16h 15m2 stops

10:15 am - 12:25 amMXP-SDF

20h 10m2 stops

$491American Airlines

Find Deal

Thu, Feb 19 - Thu, Mar 5

6:12 pm - 1:40 amSDF-ATH

24h 28m2 stops

6:25 am - 7:42 pmATH-SDF

20h 17m2 stops

$491Lufthansa

Find Deal

Fri, Feb 6 - Mon, Feb 16

9:20 am - 5:45 amSDF-MAD

14h 25m1 stop

6:45 am - 6:30 pmMAD-SDF

17h 45m2 stops

$500British Airways

Find Deal

Thu, Jan 1 - Tue, Jan 13

1:46 pm - 9:25 amSDF-MAD

13h 39m1 stop

12:40 pm - 10:05 pmMAD-SDF

15h 25m1 stop

$518British Airways

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Thu, Jan 1 - Tue, Jan 13

United Airlines flights from Louisville to Europe

Our best United Airlines deals on Louisville to Europe flight tickets

United Airlines

Nov 28

SDF9:00 amLouisville Intl

18h 10m

1 stop

DUB8:10 amDublin

Dec 10

DUB9:00 amDublin

37h 16m

2 stops

SDF5:16 pmLouisville Intl

$455

Find similar

United Airlines

Nov 28

SDF9:00 amLouisville Intl

17h 30m

2 stops

DUB7:30 amDublin

Dec 10

DUB9:00 amDublin

32h 56m

2 stops

SDF12:56 pmLouisville Intl

$460

Find similar

United Airlines

Jan 22

SDF1:50 pmLouisville Intl

11h 40m

1 stop

MXP7:30 amMilan Malpensa

Feb 6

MXP1:05 pmMilan Malpensa

30h 23m

2 stops

SDF1:28 pmLouisville Intl

$467

Find similar

Aer Lingus flights from Louisville to Europe

Our best Aer Lingus deals on Louisville to Europe flight tickets

Aer Lingus

May 6

SDF11:55 amLouisville Intl

15h 00m

2 stops

AMS8:55 amAmsterdam Schiphol

May 11

AMS9:35 amAmsterdam Schiphol

15h 27m

2 stops

SDF7:02 pmLouisville Intl

$965

Find similar

Aer Lingus

Nov 16

SDF6:00 amLouisville Intl

22h 40m

2 stops

FCO10:40 amRome Fiumicino

Nov 22

FCO11:25 amRome Fiumicino

40h 04m

2 stops

SDF9:29 pmLouisville Intl

$1,038

Find similar

Aer Lingus

Nov 15

SDF6:50 amLouisville Intl

21h 50m

2 stops

FCO10:40 amRome Fiumicino

Nov 22

FCO11:25 amRome Fiumicino

17h 30m

2 stops

SDF10:55 pmLouisville Intl

$1,114

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 11/23

8:35 am-7:45 am

1 stop18h 10m

Dublin

Tue 12/9

9:45 am-11:08 pm

1 stop18h 23m

$424

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 11/28

9:00 am-8:10 am

1 stop18h 10m

Dublin

Wed 12/10

9:00 am-5:16 pm

2 stops37h 16m

$455

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 2/1

5:35 am-8:45 am

2 stops22h 10m

Dublin

Mon 2/9

8:50 am-11:50 pm

2 stops20h 00m

$461

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Wed 1/14

10:51 am-11:30 am

2 stops18h 39m

Madrid Barajas

Wed 1/21

10:00 am-11:50 pm

2 stops19h 50m

$461

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 2/9

7:13 pm-1:35 pm

2 stops13h 22m

Dublin

Thu 2/19

11:30 am-9:17 pm

1 stop14h 47m

$474

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Sun 1/11

6:12 pm-5:50 pm

2 stops17h 38m

Madrid Barajas

Wed 1/21

8:30 am-7:43 pm

2 stops17h 13m

$489

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Thu 2/19

1:30 pm-11:45 am

2 stops16h 15m

Milan Malpensa

Thu 3/5

10:15 am-12:25 am

2 stops20h 10m

$491

LouisvilleAthens

SDF - ATH

SDFATH

Louisville Intl

Fri 2/6

6:12 pm-1:40 am

2 stops24h 28m

Athens Eleftherios V.

Mon 2/16

6:25 am-7:42 pm

2 stops20h 17m

$491

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Thu 1/1

9:20 am-5:45 am

1 stop14h 25m

Madrid Barajas

Tue 1/13

6:45 am-6:30 pm

2 stops17h 45m

$500

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Thu 1/1

1:46 pm-9:25 am

1 stop13h 39m

Madrid Barajas

Tue 1/13

12:40 pm-10:05 pm

1 stop15h 25m

$518

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.

What is the cheapest day to depart on your flight to Europe?

The cheapest day to depart from Louisville to Europe is on a Wednesday. Travelers who choose to depart for Europe on a Wednesday will often find tickets for as low as $749. Flights from Louisville to Europe on a Sunday will generally be more expensive and average around $949. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Europe?

According to our data, the cheapest time of day to fly to Europe is in the afternoon. momondo users have found flights departing from Louisville to Europe in the afternoon for as low as $780. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $895. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $995 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 7% 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

Direct flights	None

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 November 2025, there are 11 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 8,007 reviews	Search Delta flights
KLM	PriceFrom $508	Free Cancellation	Rating 7.7 1,411 reviews	Search KLM flights
Air France	PriceFrom $519	Free Cancellation	Rating 7.4 1,487 reviews	Search Air France flights
British Airways	PriceFrom $531	Free Cancellation	Rating 6.7 7,520 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $546	Free Cancellation	Rating 7.4 1,575 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $548	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $580	Free Cancellation	Rating 7.5 673 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $594	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Iberia	PriceFrom $606	Free Cancellation	Rating 7.0 3,012 reviews	Search Iberia flights
Lufthansa	PriceFrom $651	Free Cancellation	Rating 6.8 7,572 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.