Europe

$216+ Cheap flights from Louisville (SDF) to Europe

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — CPH
Jan 28 — Feb 41
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Europe with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Europe

Cheapest flights from Louisville to Europe
Explore the most affordable flight options available from Louisville to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 29, 2025.

This United Airlines deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:50 amSDF - CDG
1 stop17h 05mUnited Airlines
Mon 1/52:25 pmCDG - SDF
2 stops35h 18mUnited Airlines
Deal found 12/28$862
This Finnair deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:24 pmSDF - LHR
1 stop11h 36mMultiple Airlines
Mon 1/52:10 pmLHR - SDF
1 stop12h 44mMultiple Airlines
Deal found 12/28$1,403
This Finnair deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:49 pmSDF - LHR
1 stop11h 36mMultiple Airlines
Wed 12/3112:35 pmLHR - SDF
1 stop14h 19mMultiple Airlines
Deal found 12/28$1,528
This oojo deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:49 pmSDF - LHR
1 stop11h 36mBritish Airways
Mon 1/51:55 pmLHR - SDF
2 stops37h 10mBritish Airways
Deal found 12/28$1,542
This KAYAK deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:22 pmSDF - FCO
1 stop12h 08mLufthansa
Sun 1/412:20 pmFCO - SDF
2 stops38h 12mLufthansa
Deal found 12/27$1,567
This Cheapflightsfares deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:00 pmSDF - LHR
2 stops14h 45mLufthansa
Mon 1/55:30 pmLHR - SDF
2 stops29h 07mLufthansa
Deal found 12/28$1,580
This United Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:55 amSDF - CDG
1 stop15h 00mUnited Airlines
Sun 1/412:05 pmCDG - SDF
2 stops38h 27mUnited Airlines
Deal found 12/27$1,583
This KLM deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:20 pmSDF - DUB
1 stop12h 25mKLM
Fri 1/29:45 amDUB - SDF
1 stop13h 21mKLM
Deal found 12/27$1,604
This Finnair deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:46 pmSDF - LHR
1 stop15h 14mMultiple Airlines
Fri 1/28:20 amLHR - SDF
1 stop14h 08mMultiple Airlines
Deal found 12/27$1,710
This oojo deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:44 pmSDF - DUB
2 stops19h 51mBritish Airways
Sun 1/47:45 pmDUB - SDF
2 stops33h 31mBritish Airways
Deal found 12/28$1,721
This KLM deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:44 pmSDF - FCO
1 stop11h 46mMultiple Airlines
Sun 1/411:05 amFCO - SDF
1 stop15h 28mMultiple Airlines
Deal found 12/27$1,766
This American Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:17 amSDF - DUB
1 stop16h 23mAmerican Airlines
Sat 1/311:30 amDUB - SDF
1 stop15h 11mAmerican Airlines
Deal found 12/27$1,833

Find flight deals from Louisville to Europe

Keep the following information in mind while searching for Louisville to Europe flight deals. Data was last updated December 29, 2025.

Round-trip from

$432
(Kiwi.com)

One-way from

$216
(Iberia)

Popular in

December

Cheapest in

October

Average price

$2,108
From Louisville Intl to Europe
One-way flight from Louisville Intl to Europe
Highest demand for flights based on searches. 17% potential increase in price ($234 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($93 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Europe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 29, 2025.
Use the filters below to find and compare flights from Louisville to Europe that are best for you.

Fly from

Louisville

Fly to

Europe

Route

Depart

Return

Price

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 1/9

2:05 pm-8:10 am

1 stop13h 05m

Dublin

Wed 1/21

9:00 am-1:24 pm

2 stops33h 24m

$452

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Sun 3/1

5:35 am-8:10 am

1 stop21h 35m

Dublin

Wed 3/11

8:00 am-1:17 pm

2 stops33h 17m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 3/9

9:55 am-10:20 am

1 stop20h 25m

Dublin

Mon 3/16

8:00 am-10:13 pm

2 stops42h 13m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Mon 1/26

8:29 am-8:10 am

1 stop18h 41m

Dublin

Mon 2/2

9:00 am-12:59 pm

2 stops32h 59m

$456

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 3/6

9:00 am-6:10 am

2 stops40h 10m

Dublin

Sun 3/15

8:00 am-8:14 pm

2 stops40h 14m

$462

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Fri 1/9

5:35 am-7:10 am

2 stops20h 35m

Dublin

Wed 1/21

9:00 am-1:24 pm

2 stops33h 24m

$462

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Wed 2/4

1:50 pm-7:10 am

2 stops36h 20m

Dublin

Sun 2/8

9:00 am-7:31 pm

2 stops39h 31m

$462

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Fri 2/6

1:50 pm-9:15 am

1 stop13h 25m

Madrid Barajas

Tue 2/10

1:35 pm-5:37 pm

2 stops34h 02m

$469

LouisvilleDublin

SDF - DUB

SDFDUB

Louisville Intl

Tue 3/17

1:47 pm-7:30 am

1 stop13h 43m

Dublin

Tue 3/24

5:00 am-11:59 pm

2 stops22h 59m

$470

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Thu 3/5

6:00 am-8:00 am

2 stops20h 00m

Madrid Barajas

Thu 3/12

12:40 pm-7:31 pm

2 stops35h 51m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Louisville to Europe

Have a flexible travel schedule? Discover the best time to fly to Europe from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Europe

What is the cheapest month to book a flight from Louisville to Europe?

Currently, September is the cheapest month in which you can book a flight from Louisville to Europe (average of $338). Flying from Louisville to Europe in July is currently the most expensive (average of $671). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Europe

Get insights into the airlines that provide service to Europe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Europe. Reviews last updated December 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Louisville to Europe to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Louisville to Europe?

    Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Europe. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • How long is the flight from Louisville to Europe?

    There are many flights that can get you from Louisville to Europe in 16h. Fly via United Airlines, Air Canada, or Lufthansa to get the fastest option. The distance from Louisville to Europe is about 4590 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Louisville to Europe one-way?

    The cheapest airlines for a one-way flight from Louisville to Europe are Aer Lingus ($386), Delta ($394), and United Airlines ($398).

  • What are the most popular routes from Louisville to Europe?

  • Can I find deals for flights from Louisville to Europe that include hotel bookings?

    Yes. In addition to deals on Louisville to Europe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Europe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Europe.

  • Can I find deals for business class flights from Louisville to Europe?

    Yes. Cheapflights offers flight deals from Louisville to Europe by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Europe?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Europe (average of $338). Flying from Louisville to Europe in July is currently the most expensive (average of $671). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Europe

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Louisville to Europe

Discover the top 10 airlines that operate flights from Louisville to Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$903FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$483Average$998FlexibilityNo cancel feeOn-time71%
KLMCheapest$508Average$965FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$514Average$879FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$519Average$1,073FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$531Average$794FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$546Average$575FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$598Average$1,181FlexibilityNo cancel feeOn-time72%
IberiaCheapest$606Average$1,036FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$651Average$980FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.