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Cheap flights from London to Louisville from £361

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDF
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Louisville

Enter your travel dates to find the best prices.

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 10 June 2026.

Tue 8/1211:45
LHR
-
SDF
1 stop15h 03m
British Airways
Tue 19/119:20
SDF
-
LHR
1 stop11h 20m
British Airways
Deal found 6/6£645
Fri 25/908:40
LHR
-
SDF
2 stops16h 51m
United Airlines
Mon 28/914:12
SDF
-
LHR
2 stops15h 13m
United Airlines
Deal found 6/6£645
Wed 16/907:30
LHR
-
SDF
2 stops17h 38m
Lufthansa
Wed 23/913:13
SDF
-
LHR
1 stop16h 12m
Lufthansa
Deal found 10/6£646
Thu 1/1008:00
LHR
-
SDF
1 stop14h 40m
Lufthansa
Sun 18/1006:15
SDF
-
LHR
1 stop10h 05m
Lufthansa
Deal found 9/6£648
Sat 14/1109:30
LHR
-
SDF
2 stops15h 04m
United Airlines
Wed 18/1114:20
SDF
-
LHR
1 stop15h 30m
United Airlines
Deal found 9/6£648
Mon 6/709:15
LCY
-
SDF
2 stops19h 44m
Lufthansa
Thu 16/710:05
SDF
-
LCY
2 stops17h 35m
Lufthansa
Deal found 6/6£731
Tue 1/920:40
LGW
-
SDF
2 stops29h 45m
Iberia
Sat 31/1010:36
SDF
-
LGW
2 stops28h 24m
Iberia
Deal found 10/6£741
Fri 26/609:15
LCY
-
SDF
2 stops19h 44m
Lufthansa
Thu 2/719:55
SDF
-
LCY
2 stops17h 00m
Lufthansa
Deal found 10/6£744
Mon 6/710:25
LGW
-
SDF
2 stops15h 54m
Air France
Sun 12/716:47
SDF
-
LGW
2 stops35h 53m
Air France
Deal found 8/6£749
Mon 6/710:25
LGW
-
SDF
2 stops15h 54m
Air France
Thu 16/713:02
SDF
-
LGW
2 stops15h 23m
Air France
Deal found 6/6£752
Mon 6/709:15
LCY
-
SDF
2 stops19h 44m
Lufthansa
Sun 12/719:55
SDF
-
LCY
2 stops17h 00m
Lufthansa
Deal found 8/6£772
Sun 8/1119:15
LCY
-
SDF
2 stops32h 44m
Iberia
Sun 15/1112:43
SDF
-
LCY
2 stops20h 52m
Iberia
Deal found 9/6£789

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 10 June 2026.

Round-trip from

£645

One-way from

£361

Popular in

December

Cheapest in

September

Average price

£814
United Airlines
  • United Airlines
  • 25/9-28/9
  • 4 total stops
  • 32h 04m total
  • London to Louisville
Search Deals
2/10
  • 2/10
  • 1 total stop
  • 30h 06m total
  • London to Louisville
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 10 June 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 return flight

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 25/9

08:40-20:31

2 stops16h 51m

Louisville Intl

Mon 28/9

14:12-10:25

2 stops15h 13m

£645

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

06:50-20:32

2 stops18h 42m

Louisville Intl

Sun 20/9

15:35-07:45

1 stop35h 10m

£648

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 1/10

09:30-19:24

2 stops14h 54m

Louisville Intl

Sun 18/10

05:15-06:35

2 stops20h 20m

£657

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 1/9

08:45-20:36

2 stops16h 51m

Louisville Intl

Sat 31/10

11:00-06:30

2 stops15h 30m

£658

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 14/11

07:30-19:34

2 stops17h 04m

Louisville Intl

Wed 18/11

11:00-07:10

2 stops15h 10m

£668
Fastest return journey

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 1/9

12:15-21:25

1 stop14h 10m

Louisville Intl

Thu 17/9

13:43-06:55

1 stop12h 12m

£670

LondonLouisville

LCY - SDF

LCYSDF

London City

Mon 6/7

09:15-23:59

2 stops19h 44m

Louisville Intl

Thu 16/7

10:05-08:40

2 stops17h 35m

£731

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Tue 1/9

20:40-21:25

2 stops29h 45m

Louisville Intl

Sat 31/10

10:36-19:00

2 stops28h 24m

£741

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Mon 6/7

10:25-21:19

2 stops15h 54m

Louisville Intl

Sun 12/7

16:47-09:40

2 stops35h 53m

£749

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Mon 6/7

10:25-21:19

2 stops15h 54m

Louisville Intl

Thu 16/7

13:02-09:25

2 stops15h 23m

£752

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 56 resultsSorted by cheapest first
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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 return 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

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 £192). Flying from London to Louisville in December is currently the most expensive (average of £615). 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 for a return flight from London to Louisville?

What’s the top stopover airport for flights from London to Louisville?

Share of one-stop return flights from London to Louisville chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Chicago (ORD) – chosen by Cheapflights users on 48% of one-stop itineraries from London to Louisville on Cheapflights.

What’s the cheapest stopover airport for flights from London to Louisville?

Average return fare for one-stop flights from London to Louisville, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Washington, D.C. (IAD) is the most affordable one-stop option, with an average return flight price of £533.

What’s the fastest stopover option from London to Louisville?

Shortest average travel time for one-stop one-way flights from London to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Detroit (DTW) have the shortest average one-way travel time for one-stop routes: 11h 42m.

Which airport typically offers the quickest stopover for flights from London to Louisville?

Average stopover duration for one-stop one-way flights from London to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 35m.

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

The best time to book flights from London to Louisville is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated 10 June 2026.
Read through reviews of airlines operating flights from London to Louisville, such as KLM,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,527 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
689 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,808 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,052 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,042 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from London to Louisville. 6 airlines have flights to Louisville Intl from London on a regular basis. Booking flights from London to Louisville Intl should not be difficult; the airport handles an average of 0 inbound flights from London per day.

  • How long is the flight from London to Louisville?

    There are many flights that can get you from London to Louisville in 14h 54m. Fly via United Airlines, Lufthansa, or Iberia to get the fastest option. The distance between London and Louisville is about 4033 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Louisville round-trip?

    Lufthansa, at £463, was found to be the cheapest airline from London to Louisville.Alternate airlines flying return to your destination include KLM and Virgin Atlantic. Users have found that Lufthansa is 32% cheaper than the other options available to this destination.

  • 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 holiday 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 £192). Flying from London to Louisville in December is currently the most expensive (average of £615). 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.

Top 6 airlines flying from London to Louisville

Discover the top 6 airlines that operate flights from London to Louisville. 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 858,174 searches. Data last updated 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£463Average£578FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£470Average£933FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£477Average£722FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£482Average£675FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£502Average£724FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£596Average£867FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Louisville?

Cheapflights makes it easy to find London to Louisville flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Louisville?

Cheapflights helps you find that perfect flight to Louisville from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Louisville with no change fees?

Yes, we can. To see specific flights from London to Louisville with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Louisville become cheaper?

Not ready to book yet? You can track prices for flights from London to Louisville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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