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Cheap flights from Louisville to London from £285

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to London departing on 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
13:00 - 18:50
SDF
-
LHR
24h 50m
3 stops
Scandinavian Airlines Logo
06:40 - 23:59
LHR
-
SDF
22h 19m
2 stops
£627Scandinavian Airlines
Tue, 1 Sep - Thu, 17 Sep
Scandinavian Airlines Logo
13:00 - 09:20
SDF
-
LHR
15h 20m
2 stops
Scandinavian Airlines Logo
06:40 - 23:59
LHR
-
SDF
22h 19m
2 stops
£641Scandinavian Airlines
Sat, 12 Sep - Sat, 19 Sep
Lufthansa Logo
19:43 - 17:55
SDF
-
LCY
17h 12m
2 stops
Lufthansa Logo
09:15 - 19:19
LCY
-
SDF
15h 04m
2 stops
£661Lufthansa
Mon, 17 Aug - Wed, 19 Aug
United Airlines Logo
05:35 - 10:00
SDF
-
LHR
23h 25m
2 stops
United Airlines Logo
07:25 - 18:56
LHR
-
SDF
16h 31m
2 stops
£662United Airlines
Mon, 17 Aug - Wed, 19 Aug
United Airlines Logo
09:00 - 11:55
SDF
-
LHR
21h 55m
1 stop
United Airlines Logo
08:40 - 20:36
LHR
-
SDF
16h 56m
2 stops
£663United Airlines
Mon, 17 Aug - Wed, 19 Aug
Multiple Airlines Logo
13:18 - 14:25
SDF
-
LHR
20h 07m
1 stop
Multiple Airlines Logo
13:45 - 22:34
LHR
-
SDF
13h 49m
1 stop
£664Multiple Airlines
Wed, 16 Sep - Wed, 23 Sep
Multiple Airlines Logo
13:44 - 07:10
SDF
-
LHR
12h 26m
1 stop
Multiple Airlines Logo
11:00 - 23:06
LHR
-
SDF
17h 06m
1 stop
£666Multiple Airlines
Wed, 16 Sep - Wed, 23 Sep
British Airways Logo
19:29 - 14:25
SDF
-
LHR
13h 56m
1 stop
British Airways Logo
06:15 - 00:07
LHR
-
SDF
22h 52m
2 stops
£667British Airways
Wed, 9 Sep - Tue, 22 Sep
British Airways Logo
15:32 - 10:50
SDF
-
LHR
14h 18m
1 stop
British Airways Logo
06:15 - 00:07
LHR
-
SDF
22h 52m
2 stops
£668British Airways
Wed, 9 Sep - Tue, 22 Sep
Lufthansa Logo
19:43 - 17:55
SDF
-
LCY
17h 12m
2 stops
Lufthansa Logo
09:15 - 19:19
LCY
-
SDF
15h 04m
2 stops
£714Lufthansa
Mon, 17 Aug - Tue, 25 Aug

Air Canada flights from Louisville to London

Our best Air Canada deals on Louisville to London flight tickets
Air Canada
16 Sept
SDF05:35Louisville Intl
19h 55m
2 stops
LHR06:30London Heathrow
23 Sept
LHR12:40London Heathrow
39h 35m
2 stops
SDF23:15Louisville Intl
£719
Air Canada
10 Apr
SDF14:03Louisville Intl
49h 57m
2 stops
LHR21:00London Heathrow
19 Apr
LHR12:40London Heathrow
39h 32m
2 stops
SDF23:12Louisville Intl
£835
Air Canada
10 Apr
SDF14:03Louisville Intl
49h 57m
2 stops
LHR21:00London Heathrow
19 Apr
LHR12:40London Heathrow
39h 32m
2 stops
SDF23:12Louisville Intl
£836

British Airways flights from Louisville to London

Our best British Airways deals on Louisville to London flight tickets
British Airways
9 Sept
SDF19:29Louisville Intl
13h 56m
1 stop
LHR14:25London Heathrow
22 Sept
LHR06:15London Heathrow
22h 52m
2 stops
SDF00:07Louisville Intl
£667
British Airways
9 Sept
SDF15:32Louisville Intl
14h 18m
1 stop
LHR10:50London Heathrow
22 Sept
LHR06:15London Heathrow
22h 52m
2 stops
SDF00:07Louisville Intl
£668
British Airways
17 Aug
SDF14:43Louisville Intl
11h 07m
1 stop
LHR06:50London Heathrow
25 Aug
LHR15:00London Heathrow
12h 47m
1 stop
SDF22:47Louisville Intl
£670

momondo 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, momondo users made 279,928 searches. Data last updated 1 April 2026.
Use the filters below to find and compare flights from Louisville to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 1/9

13:00-18:50

3 stops24h 50m

London Heathrow

Thu 17/9

06:40-23:59

2 stops22h 19m

£627

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sat 12/9

13:00-09:20

2 stops15h 20m

London Heathrow

Sat 19/9

06:40-23:59

2 stops22h 19m

£641

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Mon 17/8

19:43-17:55

2 stops17h 12m

London City

Wed 19/8

09:15-19:19

2 stops15h 04m

£661

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 17/8

05:35-10:00

2 stops23h 25m

London Heathrow

Wed 19/8

07:25-18:56

2 stops16h 31m

£662

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 17/8

09:00-11:55

1 stop21h 55m

London Heathrow

Wed 19/8

08:40-20:36

2 stops16h 56m

£663

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 16/9

13:18-14:25

1 stop20h 07m

London Heathrow

Wed 23/9

13:45-22:34

1 stop13h 49m

£664
Fastest return journey

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 16/9

13:44-07:10

1 stop12h 26m

London Heathrow

Wed 23/9

11:00-23:06

1 stop17h 06m

£666

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 9/9

19:29-14:25

1 stop13h 56m

London Heathrow

Tue 22/9

06:15-00:07

2 stops22h 52m

£667

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 9/9

15:32-10:50

1 stop14h 18m

London Heathrow

Tue 22/9

06:15-00:07

2 stops22h 52m

£668

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Mon 17/8

19:43-17:55

2 stops17h 12m

London City

Tue 25/8

09:15-19:19

2 stops15h 04m

£714

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

How to get the cheapest flight ticket from Louisville to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Louisville and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Louisville is in October. Flight prices, which tend to average around £524, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Louisville averaging around £532.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £661 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Louisville for as low as £518 on momondo.

How have Louisville to London flight prices changed over time?

When to book flights from Louisville to London

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Louisville to London (SDF to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to London

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from Louisville to London takes 10h 05m
There are no direct flights from Louisville to London. There are no popular flight routes from Louisville to London.
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Frequently asked questions about flying from Louisville to London

  • How far is Louisville Intl to London by plane?

    There are 4042.6 mi between Louisville Intl and London. By plane, this route typically takes 10h 05m.

  • When did momondo last update prices for flights from Louisville Intl Airport to London?

    Prices for flights from Louisville Intl Airport to London are updated daily.

  • How old do you have to be to fly from Louisville Intl Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Southend-on-Sea
Wembley
Ipswich
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Dover
Folkestone
Ramsgate
Bedford
Chichester
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Louisville.

Can I find flights from Louisville to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to London?

Once all potential Louisville to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisville to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport