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Cheap flights from London to Louisville from £369

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDF
15 Apr — 22 Apr1
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 16 March 2026.

Wed 11/1110:05
LHR
-
SDF
2 stops17h 54m
British Airways
Sun 15/1119:31
SDF
-
LHR
1 stop32h 44m
British Airways
Deal found 12/3£624
Tue 14/412:15
LHR
-
SDF
1 stop14h 15m
British Airways
Tue 21/416:35
SDF
-
LHR
1 stop10h 25m
British Airways
Deal found 15/3£633
Tue 7/414:00
LGW
-
SDF
1 stop26h 14m
Multiple Airlines
Fri 24/419:48
SDF
-
LGW
2 stops33h 12m
Multiple Airlines
Deal found 11/3£637
Mon 20/410:25
LHR
-
SDF
1 stop14h 34m
Lufthansa
Mon 27/414:20
SDF
-
LHR
1 stop10h 35m
Lufthansa
Deal found 11/3£642
Tue 14/408:45
LHR
-
SDF
2 stops16h 31m
United Airlines
Tue 21/413:55
SDF
-
LHR
2 stops15h 30m
United Airlines
Deal found 15/3£643
Mon 20/412:00
LHR
-
SDF
1 stop12h 02m
British Airways
Mon 27/419:01
SDF
-
LHR
1 stop12h 14m
British Airways
Deal found 12/3£646
Wed 16/912:30
LHR
-
SDF
1 stop14h 09m
British Airways
Wed 23/915:54
SDF
-
LHR
1 stop12h 31m
British Airways
Deal found 12/3£647
Mon 20/414:05
LHR
-
SDF
2 stops34h 54m
Air Canada
Mon 27/406:00
SDF
-
LHR
2 stops34h 00m
Air Canada
Deal found 11/3£649
Sun 26/414:00
LGW
-
SDF
2 stops32h 04m
Multiple Airlines
Sun 3/514:27
SDF
-
LGW
1 stop14h 33m
Multiple Airlines
Deal found 12/3£747
Sun 26/413:20
LCY
-
SDF
2 stops37h 10m
British Airways
Sun 3/519:52
SDF
-
LCY
2 stops31h 43m
British Airways
Deal found 12/3£752
Sat 16/514:00
LGW
-
SDF
1 stop24h 03m
Multiple Airlines
Sun 31/518:06
SDF
-
LGW
2 stops31h 14m
Multiple Airlines
Deal found 11/3£834
Mon 18/509:15
LCY
-
SDF
2 stops19h 44m
Lufthansa
Tue 4/810:00
SDF
-
LCY
2 stops17h 40m
Lufthansa
Deal found 11/3£843

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 16 March 2026.

Round-trip from

£637

One-way from

£369

Popular in

December

Cheapest in

September

Average price

£624
7/4-24/4
  • 7/4-24/4
  • 3 total stops
  • 59h 26m total
  • London to Louisville
Search Deals
10/6
  • 10/6
  • 1 total stop
  • 29h 41m total
  • London to Louisville
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 16 March 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
Fastest return journey

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 20/4

12:00-19:02

1 stop12h 02m

Louisville Intl

Mon 27/4

19:01-12:15

1 stop12h 14m

£646

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 28/4

06:50-16:41

2 stops14h 51m

Louisville Intl

Tue 5/5

15:36-11:55

1 stop15h 19m

£651

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Tue 7/4

14:00-11:14

1 stop26h 14m

Louisville Intl

Fri 24/4

19:48-10:00

2 stops33h 12m

£654

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 20/4

08:00-22:30

1 stop19h 30m

Louisville Intl

Mon 27/4

14:20-12:40

2 stops17h 20m

£664

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 25/4

06:40-21:31

2 stops19h 51m

Louisville Intl

Sat 2/5

13:00-16:00

2 stops22h 00m

£670

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 20/4

09:55-21:20

2 stops16h 25m

Louisville Intl

Mon 27/4

13:00-10:20

2 stops16h 20m

£676

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 23/4

08:45-20:16

2 stops16h 31m

Louisville Intl

Sat 2/5

10:06-05:55

2 stops14h 49m

£694

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 3/5

06:30-19:42

2 stops18h 12m

Louisville Intl

Sat 9/5

14:00-06:45

1 stop11h 45m

£695

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 19/4

06:15-17:22

2 stops16h 07m

Louisville Intl

Sun 26/4

19:54-14:35

2 stops13h 41m

£719

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Sun 26/4

14:00-17:04

2 stops32h 04m

Louisville Intl

Sun 3/5

14:27-10:00

1 stop14h 33m

£747

Flights are sorted by cheapest return flights first.

Deals found on 11/3

Showing 1-10 of 49 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

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

Use this chart to determine the optimal time to book a return flight from London to Louisville. Price data was last updated on 13 March 2026.

The best time to book flights from London to Louisville is 38 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.

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 £373). Flying from London to Louisville in July is currently the most expensive (average of £529). 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’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 44% 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.

Minneapolis (MSP) is the most affordable one-stop option, with an average return flight price of £519.

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.

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 16 March 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
1,471 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
680 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,428 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,850 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,792 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 12h 02m. Fly via British Airways, United Airlines, or Lufthansa 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?

    KLM, at £476, was found to be the cheapest airline from London to Louisville.Alternate airlines flying return to your destination include United Airlines and Lufthansa. Users have found that KLM is 27% 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, September is the cheapest month in which you can book a flight from London to Louisville (average of £373). Flying from London to Louisville in July is currently the most expensive (average of £529). 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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£476Average£675FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£487Average£640FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£490Average£570FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£501Average£638FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£518Average£628FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£519Average£666FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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