Find flights
When to book
FAQs

Cheap flights from Louisville to London from £162

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Louisville to London

Enter your travel dates to find the best prices.

Cheapest flights from Louisville to London
Explore the most affordable flight options available from Louisville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 February 2026.

Wed 11/306:00
SDF
-
LHR
1 stop10h 35m
United Airlines
Tue 17/306:50
LHR
-
SDF
2 stops16h 52m
United Airlines
Deal found 4/2£465
Thu 5/307:00
SDF
-
LHR
1 stop18h 25m
Delta
Wed 18/306:30
LHR
-
SDF
2 stops18h 45m
Delta
Deal found 5/2£466
Fri 23/1012:14
SDF
-
LHR
1 stop18h 56m
British Airways
Sun 25/1010:00
LHR
-
SDF
2 stops39h 38m
British Airways
Deal found 6/2£473
Wed 8/411:00
SDF
-
LHR
1 stop15h 55m
British Airways
Mon 13/419:25
LHR
-
SDF
2 stops31h 05m
British Airways
Deal found 7/2£474
Sun 8/306:00
SDF
-
LHR
1 stop10h 35m
United Airlines
Sun 15/307:40
LHR
-
SDF
1 stop13h 06m
United Airlines
Deal found 6/2£476
Tue 8/918:11
SDF
-
LHR
1 stop13h 04m
Iberia
Tue 15/906:15
LHR
-
SDF
2 stops21h 43m
Iberia
Deal found 4/2£477
Thu 5/312:33
SDF
-
LHR
1 stop13h 17m
Multiple Airlines
Wed 18/308:55
LHR
-
SDF
1 stop13h 54m
Multiple Airlines
Deal found 5/2£480
Sun 8/309:00
SDF
-
LHR
2 stops19h 30m
Air Canada
Sun 15/309:00
LHR
-
SDF
2 stops56h 06m
Air Canada
Deal found 6/2£482
Wed 11/307:30
SDF
-
LHR
1 stop19h 25m
British Airways
Tue 17/312:35
LHR
-
SDF
1 stop12h 51m
British Airways
Deal found 4/2£484
Mon 2/313:19
SDF
-
LGW
1 stop15h 41m
Multiple Airlines
Mon 9/314:00
LGW
-
SDF
2 stops28h 38m
Multiple Airlines
Deal found 5/2£485
Fri 13/306:00
SDF
-
LHR
1 stop10h 35m
United Airlines
Mon 16/307:55
LHR
-
SDF
1 stop16h 19m
United Airlines
Deal found 3/2£486
Mon 17/819:32
SDF
-
LCY
2 stops17h 23m
Lufthansa
Tue 25/809:15
LCY
-
SDF
2 stops19h 44m
Lufthansa
Deal found 7/2£535

Find flight deals from Louisville to London

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to London (LON). 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 8 February 2026.

Round-trip from

£464

One-way from

£162

Popular in

June

Cheapest in

October

Average price

£786
United Airlines
  • United Airlines
  • 9/3-16/3
  • 3 total stops
  • 31h 56m total
  • Louisville to London
Search Deals
British Airways
  • British Airways
  • 20/7
  • 1 total stop
  • 19h 04m total
  • Louisville to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Louisville to London 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 8 February 2026.
Use the filters below to find and compare flights from Louisville to London that are best for you.

Fly from

Louisville

Fly to

London

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 9/3

13:47-06:20

1 stop12h 33m

London Heathrow

Mon 16/3

06:50-22:13

2 stops19h 23m

£464

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Thu 5/3

07:00-06:25

1 stop18h 25m

London Heathrow

Wed 18/3

06:30-21:15

2 stops18h 45m

£466

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 8/4

19:07-12:15

1 stop12h 08m

London Heathrow

Mon 13/4

19:25-21:30

2 stops31h 05m

£475

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 8/3

06:00-20:35

1 stop10h 35m

London Heathrow

Sun 15/3

07:40-16:46

1 stop13h 06m

£476

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Mon 2/3

13:19-10:00

1 stop15h 41m

London Gatwick

Mon 9/3

14:00-14:38

2 stops28h 38m

£485

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 6/5

06:17-21:35

1 stop10h 18m

London Heathrow

Mon 11/5

17:50-19:42

2 stops30h 52m

£486

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 1/4

10:00-06:30

2 stops15h 30m

London Heathrow

Fri 10/4

14:10-23:46

1 stop14h 36m

£501

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 20/4

13:00-10:20

2 stops16h 20m

London Heathrow

Thu 30/4

15:15-10:24

1 stop24h 09m

£505

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 1/4

08:47-06:30

2 stops16h 43m

London Heathrow

Fri 10/4

14:10-09:25

2 stops24h 15m

£507

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 23/3

17:45-15:50

2 stops18h 05m

London Heathrow

Mon 30/3

20:25-19:42

2 stops52h 17m

£507

Flights are sorted by cheapest return flights first.

Deals found on 5/2

Showing 1-10 of 48 results
1
2
3
...
5

Best time to book a flight from Louisville to London

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

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

Use this chart to determine the optimal time to book a return flight from Louisville to London. Price data was last updated on 6 February 2026.

Booking 10 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to London. 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 Louisville to London?

Currently, November is the cheapest month in which you can book a flight from Louisville to London (average of £380). Flying from Louisville to London in June is currently the most expensive (average of £674). 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 Louisville to London?

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

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

Chicago (ORD) – chosen by Cheapflights users on 56% of one-stop itineraries from Louisville to London on Cheapflights.

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

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

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £431.

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

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

Flights via Chicago (ORD) have the shortest average one-way travel time for one-stop routes: 10h 37m.

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

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

Flights via Chicago (ORD) offer the fastest connection on this route, with an average stopover time of 1h 36m.

Related info for your journey

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

    For a flight from Louisville to London, you will be flying from 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 outbound flights to London per day. 0 airlines have flights to London from Louisville Intl on a regular basis.

  • How long is the flight from Louisville to London?

    Departing from Louisville to London will take you 12h 08m. Airlines will cover a distance of 4033 mi. This flight may include one or multiple stops.

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

    The most popular route from Louisville to London is Louisville Intl - London Heathrow. You may also consider Louisville Intl - London Gatwick or Louisville Intl - London City.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Louisville to London (average of £380). Flying from Louisville to London in June is currently the most expensive (average of £674). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

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.

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 Louisville to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Louisville to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Louisville to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Louisville to London flexibly with Cheapflights today.

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

Yes! Start tracking prices for Louisville to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.