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$355+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDF
Jan 23 — Jan 301
Fri 1/23
Fri 1/30
1 adult, Economy
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Find cheap flights from London to Louisville 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”

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Cheapflights Tip: The best prices from London to Louisville Intl are usually found in September or January, booked 55 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from London to Louisville

Best flights from London to Louisville
Discover carefully curated flight deals from London to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1612:05 pmLHR - SDF
1 stop12h 38mLufthansa
Fri 1/232:05 pmSDF - LHR
1 stop10h 50mLufthansa
Deal found 12/22$692
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/229:00 amLHR - SDF
2 stops16h 28mUnited Airlines
Mon 1/2611:10 amSDF - LHR
1 stop19h 05mUnited Airlines
Deal found 12/21$698
This Flighttix deal was found by Cheapflights users on 12/22. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:10 amLHR - SDF
2 stops16h 20mMultiple Airlines
Fri 2/135:35 amSDF - LHR
2 stops20h 35mMultiple Airlines
Deal found 12/22$721
This Iberia deal was found by Cheapflights users on 12/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:40 pmLGW - SDF
2 stops32h 39mIberia
Sun 2/81:32 pmSDF - LGW
2 stops24h 28mIberia
Deal found 12/22$889
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Fri 1/169:00 amLHR - SDF
2 stops16h 28mUnited Airlines
Fri 1/231:50 pmSDF - LHR
1 stop11h 30mUnited Airlines
Deal found 12/22$698
This The Travel House deal was found by Cheapflights users on 12/22. 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.
Thu 2/511:10 amLHR - SDF
2 stops16h 20mLufthansa
Wed 2/181:50 pmSDF - LHR
1 stop11h 30mLufthansa
Deal found 12/22$703
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Fri 2/69:00 amLHR - SDF
2 stops16h 28mUnited Airlines
Fri 2/135:35 amSDF - LHR
1 stop19h 20mUnited Airlines
Deal found 12/22$701
This The Travel House deal was found by Cheapflights users on 12/22. 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.
Thu 2/59:40 amLCY - SDF
2 stops18h 43mLufthansa
Wed 2/182:05 pmSDF - LCY
2 stops14h 00mLufthansa
Deal found 12/22$736
This Kiwi.com deal was found by Cheapflights users on 12/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/151:00 pmLGW - SDF
2 stops26h 37mMultiple Airlines
Sun 3/229:43 pmSDF - LGW
1 stop32h 17mMultiple Airlines
Deal found 12/23$841
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:30 amLHR - SDF
2 stops17h 01mUnited Airlines
Wed 2/182:05 pmSDF - LHR
1 stop12h 50mUnited Airlines
Deal found 12/21$705
This Iberia deal was found by Cheapflights users on 12/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:15 pmLCY - SDF
2 stops31h 15mIberia
Sun 2/1512:00 pmSDF - LCY
2 stops39h 50mIberia
Deal found 12/21$922
This United Airlines deal was found by Cheapflights users on 12/23. 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 3/156:50 amLHR - SDF
2 stops19h 23mUnited Airlines
Sun 3/226:00 amSDF - LHR
1 stop21h 30mUnited Airlines
Deal found 12/23$709
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/52:00 pmLGW - SDF
1 stop28h 00mMultiple Airlines
Wed 2/1812:11 pmSDF - LGW
2 stops17h 04mMultiple Airlines
Deal found 12/22$866
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1611:40 amLGW - SDF
2 stops27h 31mMultiple Airlines
Fri 1/231:55 pmSDF - LGW
1 stop15h 05mMultiple Airlines
Deal found 12/22$1,165
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/162:00 pmLGW - SDF
2 stops29h 38mMultiple Airlines
Sat 2/2812:00 pmSDF - LGW
2 stops16h 00mMultiple Airlines
Deal found 12/21$1,211
This Expedia deal was found by Cheapflights users on 12/22. 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.
Fri 2/69:55 amLCY - SDF
2 stops18h 28mMultiple Airlines
Fri 2/138:55 amSDF - LCY
2 stops18h 15mMultiple Airlines
Deal found 12/22$1,214
This Cathay Pacific deal was found by Cheapflights users on 12/21. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/167:00 amLCY - SDF
3 stops44h 57mMultiple Airlines
Sat 2/2812:00 pmSDF - LCY
3 stops41h 50mMultiple Airlines
Deal found 12/21$13,839
This Cathay Pacific deal was found by Cheapflights users on 12/22. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:00 amLCY - SDF
3 stops45h 19mMultiple Airlines
Wed 2/1811:55 amSDF - LCY
3 stops41h 55mMultiple Airlines
Deal found 12/22$13,839

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 December 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$687
(TravelUp)

One-way from

$355
(Norse)

Popular in

December

Cheapest in

September

Average price

$1,119
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. 3% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 24, 2025.
Use the filters below to find and compare flights from London to Louisville that are best for you.

Fly from

London

Fly to

Louisville

Route

Depart

Return

Price

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 1/16

12:05 pm-7:43 pm

1 stop12h 38m

Louisville Intl

Fri 1/23

2:05 pm-5:55 am

1 stop10h 50m

$692

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 1/22

9:00 am-8:28 pm

2 stops16h 28m

Louisville Intl

Mon 1/26

11:10 am-11:15 am

1 stop19h 05m

$698

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 1/16

9:00 am-8:28 pm

2 stops16h 28m

Louisville Intl

Fri 1/23

1:50 pm-6:20 am

1 stop11h 30m

$698

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 2/6

9:00 am-8:28 pm

2 stops16h 28m

Louisville Intl

Fri 2/13

5:35 am-5:55 am

1 stop19h 20m

$701

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 2/5

11:10 am-10:30 pm

2 stops16h 20m

Louisville Intl

Wed 2/18

1:50 pm-6:20 am

1 stop11h 30m

$703

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 2/5

7:30 am-7:31 pm

2 stops17h 01m

Louisville Intl

Wed 2/18

2:05 pm-7:55 am

1 stop12h 50m

$705

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 3/15

6:50 am-10:13 pm

2 stops19h 23m

Louisville Intl

Sun 3/22

6:00 am-7:30 am

1 stop21h 30m

$709

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 2/6

11:10 am-10:30 pm

2 stops16h 20m

Louisville Intl

Fri 2/13

5:35 am-7:10 am

2 stops20h 35m

$721

LondonLouisville

LCY - SDF

LCYSDF

London City

Thu 2/5

9:40 am-11:23 pm

2 stops18h 43m

Louisville Intl

Wed 2/18

2:05 pm-9:05 am

2 stops14h 00m

$736

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Sun 3/15

1:00 pm-11:37 am

2 stops26h 37m

Louisville Intl

Sun 3/22

9:43 pm-10:00 am

1 stop32h 17m

$841

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 28 results
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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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from London to Louisville. Price data was last updated on December 19, 2025.

Booking 55 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, September is the cheapest month in which you can book a flight from London to Louisville (average of $494). Flying from London to Louisville in July is currently the most expensive (average of $668). 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 LON to SDF?

Find hourly flight availability from London to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 24, 2025.

One of the essential ways to save on airfare from London to Louisville is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 62% on airfare.

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?

    Lufthansa, United Airlines, and Iberia can get you from London to Louisville in just under 12h 38m. Your travel time can differ by up to 20h 01m. 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, September is the cheapest month in which you can book a flight from London to Louisville (average of $494). Flying from London to Louisville in July is currently the most expensive (average of $668). 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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