What airlines fly to Europe?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Europe from Louisville according to our data. United Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Europe. Keep in mind that there are 11 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, American Airlines, 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 February 2026, there are 8 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.

$219 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.

5:54 pm - 8:10 am

SDF

DUB

33h 16m

1 stop

8:00 am - 4:46 pm

DUB

SDF

36h 46m

2 stops

$458United Airlines

Sun, Mar 1 - Wed, Mar 11

9:00 am - 8:10 am

SDF

DUB

19h 10m

1 stop

8:00 am - 2:47 pm

DUB

SDF

34h 47m

2 stops

$460United Airlines

Mon, Mar 9 - Mon, Mar 16

12:07 pm - 9:50 am

SDF

DUB

17h 43m

2 stops

8:40 pm - 11:20 pm

DUB

SDF

30h 40m

2 stops

$469British Airways

Mon, Mar 9 - Mon, Mar 16

7:30 am - 12:00 pm

SDF

DUB

23h 30m

2 stops

10:30 am - 11:43 pm

DUB

SDF

18h 13m

2 stops

$475British Airways

Mon, Apr 6 - Tue, Apr 14

1:50 pm - 12:35 pm

SDF

MXP

16h 45m

2 stops

9:10 am - 11:59 pm

MXP

SDF

19h 49m

2 stops

$485Lufthansa

Mon, Mar 2 - Mon, Mar 9

12:05 pm - 9:30 am

SDF

KEF

17h 25m

1 stop

11:25 am - 9:38 pm

KEF

SDF

14h 13m

1 stop

$491Delta

Sun, Apr 12 - Tue, Apr 21

7:35 am - 5:45 am

SDF

MAD

16h 10m

1 stop

11:30 am - 11:59 pm

MAD

SDF

17h 29m

1 stop

$492American Airlines

Tue, Mar 3 - Sun, Mar 15

7:45 am - 9:30 am

SDF

KEF

21h 45m

2 stops

11:25 am - 10:06 am

KEF

SDF

26h 41m

2 stops

$496Delta

Sun, Apr 12 - Tue, Apr 21

5:54 pm - 6:15 pm

SDF

FCO

18h 21m

2 stops

7:05 am - 8:14 pm

FCO

SDF

18h 09m

2 stops

$516Lufthansa

Mon, Mar 2 - Wed, Mar 11

6:12 pm - 4:20 pm

SDF

MXP

16h 08m

2 stops

10:25 am - 9:26 pm

MXP

SDF

17h 01m

2 stops

$535American Airlines

Thu, Feb 19 - Thu, Feb 26

Aer Lingus flights from Louisville to Europe

Our best Aer Lingus deals on Louisville to Europe flight tickets

Aer Lingus

Mar 2

SDF6:00 amLouisville Intl

21h 55m

2 stops

MAD9:55 amMadrid Barajas

Mar 7

MAD10:40 amMadrid Barajas

39h 46m

2 stops

SDF8:26 pmLouisville Intl

$847

Aer Lingus

Feb 15

SDF6:12 pmLouisville Intl

17h 23m

2 stops

LHR4:35 pmLondon Heathrow

Feb 18

LHR12:10 pmLondon Heathrow

16h 06m

2 stops

SDF11:16 pmLouisville Intl

$1,336

British Airways flights from Louisville to Europe

Our best British Airways deals on Louisville to Europe flight tickets

British Airways

Mar 9

SDF12:07 pmLouisville Intl

17h 43m

2 stops

DUB9:50 amDublin

Mar 16

DUB8:40 pmDublin

30h 40m

2 stops

SDF11:20 pmLouisville Intl

$469

British Airways

Apr 6

SDF7:30 amLouisville Intl

23h 30m

2 stops

DUB12:00 pmDublin

Apr 14

DUB10:30 amDublin

18h 13m

2 stops

SDF11:43 pmLouisville Intl

$475

British Airways

Mar 1

SDF1:25 pmLouisville Intl

16h 30m

2 stops

MAD11:55 amMadrid Barajas

Mar 11

MAD12:30 pmMadrid Barajas

16h 57m

1 stop

SDF12:27 amLouisville Intl

$479

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

5:54 pm-8:10 am

1 stop33h 16m

Dublin

Wed 3/11

8:00 am-4:46 pm

2 stops36h 46m

$458

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

9:00 am-8:10 am

1 stop19h 10m

Dublin

Mon 3/16

8:00 am-2:47 pm

2 stops34h 47m

$460

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

12:07 pm-9:50 am

2 stops17h 43m

Dublin

Mon 3/16

8:40 pm-11:20 pm

2 stops30h 40m

$469

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 4/6

7:30 am-12:00 pm

2 stops23h 30m

Dublin

Tue 4/14

10:30 am-11:43 pm

2 stops18h 13m

$475

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Mon 3/2

1:50 pm-12:35 pm

2 stops16h 45m

Milan Malpensa

Mon 3/9

9:10 am-11:59 pm

2 stops19h 49m

$485

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Sun 4/12

12:05 pm-9:30 am

1 stop17h 25m

Reykjavik Keflavik Intl

Tue 4/21

11:25 am-9:38 pm

1 stop14h 13m

$491

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Tue 3/3

7:35 am-5:45 am

1 stop16h 10m

Madrid Barajas

Sun 3/15

11:30 am-11:59 pm

1 stop17h 29m

$492

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Sun 4/12

7:45 am-9:30 am

2 stops21h 45m

Reykjavik Keflavik Intl

Tue 4/21

11:25 am-10:06 am

2 stops26h 41m

$496

LouisvilleRome

SDF - FCO

SDFFCO

Louisville Intl

Mon 3/2

5:54 pm-6:15 pm

2 stops18h 21m

Rome Fiumicino

Wed 3/11

7:05 am-8:14 pm

2 stops18h 09m

$516

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Thu 2/19

6:12 pm-4:20 pm

2 stops16h 08m

Milan Malpensa

Thu 2/26

10:25 am-9:26 pm

2 stops17h 01m

$535

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 $696, 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 $707.

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 $897 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 $686 on momondo.

Can stopping save me money on Louisville to Europe flights?

You could potentially save up to 3% 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 11m
Direct flights	None

The fastest flight from Louisville to Europe takes 10h 11m

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 February 2026, there are 8 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 9,232 reviews	Search United Airlines flights
Delta	PriceFrom $338	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights
Iberia	PriceFrom $449	Free Cancellation	Rating 7.0 3,102 reviews	Search Iberia flights
American Airlines	PriceFrom $483	Free Cancellation	Rating 7.2 11,215 reviews	Search American Airlines flights
British Airways	PriceFrom $491	Free Cancellation	Rating 6.7 7,711 reviews	Search British Airways flights
KLM	PriceFrom $508	Free Cancellation	Rating 7.7 1,448 reviews	Search KLM flights
Air France	PriceFrom $519	Free Cancellation	Rating 7.4 1,531 reviews	Search Air France flights
Scandinavian Airlines	PriceFrom $546	Free Cancellation	Rating 7.3 1,676 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $651	Free Cancellation	Rating 6.8 7,758 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.