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$573+ Cheap flights from Heathrow (LHR) 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap flight deals from Heathrow to Louisville

Cheapest flights from Heathrow to Louisville
Explore the most affordable flight options available from Heathrow to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This TravelUp deal was found by Cheapflights users on 3/9. 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.
Mon 4/1312:15 pm
LHR
-
SDF
1 stop14h 15m
British Airways
Mon 4/207:01 pm
SDF
-
LHR
1 stop11h 14m
British Airways
Deal found 3/9$816
This The Travel House deal was found by Cheapflights users on 3/8. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:40 am
LHR
-
SDF
2 stops22h 22m
Scandinavian Airlines
Sat 11/71:00 pm
SDF
-
LHR
2 stops23h 40m
Scandinavian Airlines
Deal found 3/8$824
This British Airways deal was found by Cheapflights users on 3/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:05 am
LHR
-
SDF
2 stops17h 54m
British Airways
Sun 11/157:31 pm
SDF
-
LHR
1 stop32h 44m
British Airways
Deal found 3/8$829
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 am
LHR
-
SDF
2 stops17h 51m
United Airlines
Mon 4/205:48 pm
SDF
-
LHR
1 stop13h 07m
United Airlines
Deal found 3/9$840
This Travcart deal was found by Cheapflights users on 3/9. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:45 pm
LHR
-
SDF
1 stop14h 03m
Finnair
Mon 4/207:01 pm
SDF
-
LHR
1 stop10h 29m
Finnair
Deal found 3/9$847
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:20 pm
LHR
-
SDF
1 stop12h 52m
Lufthansa
Mon 4/272:30 pm
SDF
-
LHR
1 stop11h 25m
Lufthansa
Deal found 3/8$848
This British Airways deal was found by Cheapflights users on 3/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:30 pm
LHR
-
SDF
1 stop12h 12m
British Airways
Wed 9/231:44 pm
SDF
-
LHR
1 stop13h 16m
British Airways
Deal found 3/10$852

Find flight deals from Heathrow to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$816
(TravelUp)

One-way from

$573
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$828
Provider with most accurate pricing for London Heathrow-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Louisville Intl flights.
Search Deals
From London Heathrow to Louisville Intl
Search Deals
One-way flight from London Heathrow to Louisville Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow 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 March 12, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 4/24

10:50 am-10:30 pm

2 stops16h 40m

Louisville Intl

Mon 4/27

2:20 pm-8:20 am

1 stop13h 00m

$880

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 4/25

6:40 am-9:31 pm

2 stops19h 51m

Louisville Intl

Sat 5/2

1:00 pm-4:00 pm

2 stops22h 00m

$886

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 4/23

8:00 am-4:41 pm

1 stop13h 41m

Louisville Intl

Thu 4/30

2:30 pm-6:55 am

1 stop11h 25m

$912

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 4/19

8:40 am-9:20 pm

2 stops17h 40m

Louisville Intl

Sun 4/26

7:54 pm-2:35 pm

2 stops13h 41m

$918

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 4/26

7:30 am-7:42 pm

2 stops17h 12m

Louisville Intl

Sun 5/3

6:00 pm-10:25 am

1 stop11h 25m

$922

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 5/11

10:50 am-10:30 pm

2 stops16h 40m

Louisville Intl

Mon 6/1

7:37 pm-11:55 am

1 stop11h 18m

$922

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 4/19

4:55 pm-12:25 am

1 stop12h 30m

Louisville Intl

Sun 4/26

4:30 pm-9:05 am

1 stop11h 35m

$932

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 4/6

7:25 am-8:16 pm

2 stops17h 51m

Louisville Intl

Mon 4/13

2:30 pm-6:30 am

2 stops35h 00m

$1,004

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 6/3

9:45 am-6:26 pm

1 stop13h 41m

Louisville Intl

Tue 6/9

5:08 pm-8:00 am

1 stop9h 52m

$1,012
Quickest round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 6/2

3:15 pm-10:19 pm

1 stop12h 04m

Louisville Intl

Sun 6/7

5:08 pm-8:00 am

1 stop9h 52m

$1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Heathrow 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 Heathrow to Louisville in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust 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 Heathrow Airport-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-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 Heathrow Airport-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 Heathrow to Louisville

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

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of $493). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of $694). 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.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    For a flight from London Heathrow to Louisville, you will be flying into Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city. Louisville Intl is the only Louisville airport and it handles 0 inbound flights from London Heathrow per day. 0 airlines have flights to Louisville Intl from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Louisville?

    There are many flights that can get you from London Heathrow Airport to Louisville in 16h 40m. Fly via United Airlines, Scandinavian Airlines, or Delta to get the fastest option. The distance between London Heathrow Airport and Louisville is about 4033 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Louisville?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of $493). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of $694). 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
Jeffersonville
Elizabethtown
Corydon
Bardstown

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