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$221+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — CPH
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheap flight deals from Louisville to Europe

Keep the following information in mind while searching for Louisville to Europe flight deals. Data was last updated November 21, 2025.

Round-trip from

$455
(Justfly.com)

One-way from

$221
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$690
From Louisville Intl to Europe
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One-way flight from Louisville Intl to Europe
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Highest demand for flights based on searches. 16% potential increase in price ($220 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($93 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 21, 2025.

This Booking.com deal was found by Cheapflights users on 11/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 amSDF - MXP
2 stops44h 55mAir Canada
Tue 12/161:05 pmMXP - SDF
2 stops37h 23mAir Canada
Deal found 11/19$488
This United Airlines deal was found by Cheapflights users on 11/19. 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 11/309:00 amSDF - MXP
1 stop22h 05mUnited Airlines
Tue 12/169:45 amMXP - SDF
2 stops16h 57mUnited Airlines
Deal found 11/19$497
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/19:00 amSDF - MXP
1 stop22h 05mUnited Airlines
Mon 12/89:10 amMXP - SDF
2 stops41h 18mUnited Airlines
Deal found 11/19$525
This Expedia deal was found by Cheapflights users on 11/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:43 pmSDF - MXP
2 stops23h 42mIberia
Mon 12/87:10 pmMXP - SDF
2 stops30h 54mIberia
Deal found 11/19$536
This Expedia deal was found by Cheapflights users on 11/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:07 pmSDF - LIN
2 stops18h 43mLufthansa
Mon 12/86:55 pmLIN - SDF
2 stops31h 47mLufthansa
Deal found 11/19$536
This Finnair deal was found by Cheapflights users on 11/21. 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 11/236:25 amSDF - MXP
2 stops19h 40mMultiple Airlines
Wed 12/1010:25 amMXP - SDF
2 stops17h 24mMultiple Airlines
Deal found 11/21$538
This Finnair deal was found by Cheapflights users on 11/19. 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 12/2910:48 amSDF - AMS
2 stops17h 52mMultiple Airlines
Mon 1/121:05 pmAMS - SDF
2 stops31h 43mMultiple Airlines
Deal found 11/19$548
This AirNGo deal was found by Cheapflights users on 11/20. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:06 pmSDF - FRA
1 stop31h 44mVirgin Atlantic
Mon 1/1210:40 amFRA - SDF
1 stop16h 35mVirgin Atlantic
Deal found 11/20$548
This KLM deal was found by Cheapflights users on 11/19. 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.
Mon 12/110:37 amSDF - MXP
1 stop16h 28mKLM
Mon 12/811:05 amMXP - SDF
1 stop15h 47mKLM
Deal found 11/19$556
This Billigflug deal was found by Cheapflights users on 11/20. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:05 amSDF - FRA
2 stops16h 20mMultiple Airlines
Mon 1/1211:05 amFRA - SDF
1 stop18h 18mMultiple Airlines
Deal found 11/20$595
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Sun 11/2312:52 pmSDF - MXP
1 stop12h 38mLufthansa
Wed 12/106:55 amMXP - SDF
2 stops21h 34mLufthansa
Deal found 11/19$625
This United Airlines deal was found by Cheapflights users on 11/19. 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 11/306:07 pmSDF - LIN
2 stops16h 48mUnited Airlines
Tue 12/166:15 amLIN - SDF
2 stops20h 27mUnited Airlines
Deal found 11/19$636

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 November 21, 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

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Wed 1/14

5:35 am-8:00 am

2 stops20h 25m

Madrid Barajas

Tue 1/20

1:35 pm-7:31 pm

2 stops35h 56m

$455

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Thu 1/22

11:10 am-9:55 am

2 stops16h 45m

Milan Malpensa

Fri 2/6

1:05 pm-8:28 pm

2 stops37h 23m

$457

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Thu 2/19

9:00 am-9:55 am

2 stops18h 55m

Milan Malpensa

Thu 3/5

1:05 pm-1:17 pm

3 stops30h 12m

$464

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Wed 1/7

2:05 pm-4:40 pm

2 stops20h 35m

Milan Malpensa

Fri 1/23

1:05 pm-7:31 pm

2 stops36h 26m

$466

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Thu 1/22

1:50 pm-7:30 am

1 stop11h 40m

Milan Malpensa

Fri 2/6

1:05 pm-11:23 pm

2 stops40h 18m

$467

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Thu 2/19

6:15 am-9:55 am

2 stops21h 40m

Milan Malpensa

Wed 3/4

1:05 pm-10:13 pm

2 stops39h 08m

$467

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Thu 2/19

1:50 pm-7:30 am

1 stop11h 40m

Milan Malpensa

Thu 3/5

1:05 pm-10:13 pm

2 stops39h 08m

$467

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Wed 1/7

2:05 pm-9:55 am

2 stops37h 50m

Milan Malpensa

Fri 1/23

1:05 pm-1:28 pm

2 stops30h 23m

$473

LouisvilleMilan

SDF - MXP

SDFMXP

Louisville Intl

Thu 2/19

1:50 pm-7:30 am

1 stop11h 40m

Milan Malpensa

Wed 3/4

6:55 am-7:42 pm

2 stops18h 47m

$477

LouisvilleMadrid

SDF - MAD

SDFMAD

Louisville Intl

Wed 1/14

2:05 pm-8:00 am

2 stops35h 55m

Madrid Barajas

Tue 1/20

11:15 am-7:31 pm

1 stop14h 16m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 60 results
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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.

What is the cheapest time of day to fly from SDF to EU?

Find hourly flight availability from Louisville to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

It’s optimal to fly from Louisville to Europe in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Louisville to Europe?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Europe. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisville to Europe flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 21, 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.
Delta
7.9
Good
8,002 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

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.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

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.
United Airlines
7.4
Good
9,029 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

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.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

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.
Lufthansa
6.8
Okay
7,579 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

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.
British Airways
6.7
Okay
7,533 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

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 11h 40m. Fly via Air Canada, United Airlines, 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 American Airlines ($238), KLM ($251), and British Airways ($286).

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

    The most popular route from Louisville to Europe is Louisville Intl - Milan Malpensa. You may also consider Louisville Intl - Athens Eleftherios V. or Louisville Intl - London Heathrow.

  • 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

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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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$938FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$508Average$1,031FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$519Average$1,087FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$531Average$806FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$546Average$581FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$548Average$877FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$580Average$1,187FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$594Average$1,017FlexibilityNo cancel feeOn-time71%
IberiaCheapest$606Average$1,036FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$651Average$989FlexibilityNo cancel feeOn-time76%

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