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$485+ Cheap flights from London (LON) to Louisville (SDF)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDF
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
1 adult, Economy
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Cheap flight deals from London to Louisville

Cheapest flights from London to Louisville
Explore the most affordable flight options available from London to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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.
Wed 9/168:30 am
LHR
-
SDF
2 stops18h 52m
Lufthansa
Wed 9/231:48 pm
SDF
-
LHR
1 stop12h 07m
Lufthansa
Deal found 5/7$904
This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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.
Tue 9/17:25 am
LHR
-
SDF
2 stops16h 40m
Lufthansa
Thu 9/177:43 pm
SDF
-
LHR
2 stops17h 57m
Lufthansa
Deal found 5/7$909
This TravelUp deal was found by Cheapflights users on 5/9. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:00 pm
LHR
-
SDF
1 stop11h 39m
British Airways
Tue 9/225:00 pm
SDF
-
LHR
1 stop10h 00m
British Airways
Deal found 5/9$914
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 9/168:40 am
LHR
-
SDF
2 stops18h 42m
United Airlines
Mon 9/216:00 am
SDF
-
LHR
2 stops18h 55m
United Airlines
Deal found 5/8$927
This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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.
Tue 9/19:15 am
LCY
-
SDF
2 stops19h 50m
Lufthansa
Thu 9/177:43 pm
SDF
-
LCY
2 stops17h 12m
Lufthansa
Deal found 5/7$928
This The Travel House deal was found by Cheapflights users on 5/7. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:40 am
LHR
-
SDF
2 stops20h 55m
Scandinavian Airlines
Mon 11/25:45 pm
SDF
-
LHR
2 stops17h 15m
Scandinavian Airlines
Deal found 5/7$932
This ChecknFly deal was found by Cheapflights users on 5/11. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:00 am
LHR
-
SDF
1 stop15h 00m
Lufthansa
Sun 9/206:00 pm
SDF
-
LHR
1 stop31h 45m
Lufthansa
Deal found 5/11$933
This The Travel House deal was found by Cheapflights users on 5/11. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:40 am
LHR
-
SDF
2 stops19h 39m
Scandinavian Airlines
Fri 6/121:02 pm
SDF
-
LHR
2 stops21h 58m
Scandinavian Airlines
Deal found 5/11$935
This United Airlines deal was found by Cheapflights users on 5/11. 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 9/76:50 am
LHR
-
SDF
2 stops20h 38m
United Airlines
Mon 9/217:43 pm
SDF
-
LHR
1 stop11h 12m
United Airlines
Deal found 5/11$936
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:25 am
LCY
-
SDF
2 stops15h 46m
Delta
Wed 6/172:19 pm
SDF
-
LCY
2 stops14h 11m
Delta
Deal found 5/10$1,041
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:25 am
LGW
-
SDF
2 stops16h 16m
Delta
Mon 11/21:00 pm
SDF
-
LGW
2 stops15h 00m
Delta
Deal found 5/8$1,061
This lastminute.com deal was found by Cheapflights users on 5/9. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:15 am
LCY
-
SDF
2 stops19h 50m
Lufthansa
Tue 9/2210:05 am
SDF
-
LCY
2 stops17h 35m
Lufthansa
Deal found 5/9$1,075

Find flight deals from London to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$904
(Cheapflightsfares)

One-way from

$485
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$777
Provider with most accurate pricing for London (LON)-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Louisville Intl flights.
Search Deals
From London (LON) to Louisville Intl
Search Deals
One-way flight from London (LON) to Louisville Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Louisville 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 May 11, 2026.
Use the filters below to find and compare flights from London to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/16

8:40 am-10:22 pm

2 stops18h 42m

Louisville Intl

Mon 9/21

10:15 am-6:45 am

1 stop15h 30m

$927

LondonLouisville

LCY - SDF

LCYSDF

London City

Tue 9/1

9:15 am-12:05 am

2 stops19h 50m

Louisville Intl

Thu 9/17

7:43 pm-5:55 pm

2 stops17h 12m

$928

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 9/7

6:50 am-4:38 pm

2 stops14h 48m

Louisville Intl

Mon 9/21

9:00 am-6:55 am

2 stops16h 55m

$936
Quickest round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 6/2

3:00 pm-10:27 pm

1 stop12h 27m

Louisville Intl

Wed 9/30

8:04 pm-12:10 pm

1 stop11h 06m

$952

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 9/1

2:05 pm-1:11 pm

2 stops28h 06m

Louisville Intl

Thu 9/17

10:05 am-6:55 am

1 stop15h 50m

$954

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 5/29

6:40 pm-9:49 pm

2 stops32h 09m

Louisville Intl

Fri 6/12

1:02 pm-4:00 pm

2 stops21h 58m

$955

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/16

6:30 am-6:43 pm

2 stops17h 13m

Louisville Intl

Wed 9/23

2:15 pm-8:50 am

2 stops13h 35m

$958

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 10/23

5:00 pm-12:02 am

2 stops36h 02m

Louisville Intl

Sun 11/1

3:24 pm-6:30 pm

2 stops22h 06m

$972

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 6/9

2:45 pm-10:19 pm

1 stop12h 34m

Louisville Intl

Mon 6/15

5:08 pm-9:35 am

1 stop11h 27m

$994

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 6/2

8:40 am-7:08 pm

2 stops15h 28m

Louisville Intl

Wed 9/30

2:15 pm-10:20 am

2 stops15h 05m

$997

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 48 resultsSorted by cheapest first
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Compare providers for flights from London to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Louisville in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from London 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 London to Louisville

How far ahead should I book a flight from London to Louisville?

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from London to Louisville (average of $257). Flying from London to Louisville in July is currently the most expensive (average of $786). 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.

How much does it cost to fly round-trip from London to Louisville?

Related info for your journey

Find useful and relevant information for your journey from London to Louisville. 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 into for flights to Louisville from London?

    Located just 5.3 mi from the city center, Louisville Intl is the airport most travelers will use when flying to Louisville from London. Booking flights from London to Louisville Intl (SDF) should be relatively easy as there are 0 daily inbound flights from London from 0 different airlines.

  • How long is the flight from London to Louisville?

    United Airlines, Lufthansa, and British Airways can get you from London to Louisville in just under 12h 27m. Your travel time can differ by up to 7h 23m. There are 4033 mi between London and Louisville. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from London to Louisville are London Heathrow - Louisville Intl, London City - Louisville Intl and London Gatwick - Louisville Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Louisville 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 London to Louisville?

    Currently, June is the cheapest month in which you can book a flight from London to Louisville (average of $257). Flying from London to Louisville in July is currently the most expensive (average of $786). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Elizabethtown
Corydon
Jeffersonville
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