What is the cheapest airline that flies from Louisville Intl to London?

British Airways, United Airlines, and Lufthansa are the most popular carriers operating from Louisville Intl to London

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.

£217 Cheap Flights from Louisville to London in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from £814 to £1,116. The lowest price recently found on this route was £668.

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Find the cheapest flights from Louisville to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:00 - 08:00

SDF

LHR

10h 00m

1 stop

06:15 - 21:38

LHR

SDF

20h 23m

2 stops

£668British Airways

Wed, 14 Oct - Wed, 21 Oct

12:38 - 06:55

SDF

LHR

13h 17m

1 stop

09:15 - 17:14

LHR

SDF

12h 59m

1 stop

£672British Airways

Mon, 21 Sep - Fri, 2 Oct

14:53 - 06:55

SDF

LHR

11h 02m

1 stop

15:00 - 23:22

LHR

SDF

13h 22m

1 stop

£674British Airways

Mon, 14 Sep - Wed, 23 Sep

10:29 - 10:50

SDF

LHR

19h 21m

1 stop

06:15 - 22:33

LHR

SDF

21h 18m

2 stops

£675Iberia

Mon, 14 Sep - Wed, 23 Sep

08:10 - 06:25

SDF

LHR

17h 15m

1 stop

06:30 - 17:11

LHR

SDF

15h 41m

2 stops

£682Delta

Mon, 21 Sep - Fri, 2 Oct

10:25 - 06:30

SDF

LHR

15h 05m

2 stops

07:25 - 20:31

LHR

SDF

18h 06m

2 stops

£684United Airlines

Wed, 14 Oct - Wed, 21 Oct

14:42 - 10:20

SDF

LHR

14h 38m

2 stops

09:55 - 21:12

LHR

SDF

16h 17m

2 stops

£685Delta

Mon, 14 Sep - Wed, 23 Sep

10:25 - 06:55

SDF

LHR

15h 30m

2 stops

06:50 - 19:24

LHR

SDF

17h 34m

2 stops

£686United Airlines

Mon, 19 Oct - Fri, 23 Oct

17:30 - 16:00

SDF

LGW

17h 30m

2 stops

10:25 - 23:59

LGW

SDF

18h 34m

2 stops

£690Air France

Mon, 21 Sep - Fri, 2 Oct

13:15 - 09:40

SDF

LGW

15h 25m

2 stops

10:25 - 23:59

LGW

SDF

18h 34m

2 stops

£746Air France

Mon, 21 Sep - Fri, 2 Oct

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American Airlines flights from Louisville to London

Our best American Airlines deals on Louisville to London flight tickets

American Airlines

2 Oct

SDF14:41Louisville Intl

11h 09m

1 stop

LHR06:50London Heathrow

7 Oct

LHR09:15London Heathrow

15h 28m

1 stop

SDF19:43Louisville Intl

£716

American Airlines

31 Jul

SDF08:15Louisville Intl

17h 40m

2 stops

LGW06:55London Gatwick

7 Aug

LGW12:20London Gatwick

26h 25m

2 stops

SDF09:45Louisville Intl

£818

American Airlines

29 Jun

SDF15:22Louisville Intl

12h 43m

1 stop

LHR09:05London Heathrow

8 Jul

LHR09:15London Heathrow

15h 15m

1 stop

SDF19:30Louisville Intl

£1,123

British Airways flights from Louisville to London

Our best British Airways deals on Louisville to London flight tickets

British Airways

14 Oct

SDF17:00Louisville Intl

10h 00m

1 stop

LHR08:00London Heathrow

21 Oct

LHR06:15London Heathrow

20h 23m

2 stops

SDF21:38Louisville Intl

£668

British Airways

21 Sept

SDF12:38Louisville Intl

13h 17m

1 stop

LHR06:55London Heathrow

2 Oct

LHR09:15London Heathrow

12h 59m

1 stop

SDF17:14Louisville Intl

£672

British Airways

14 Sept

SDF14:53Louisville Intl

11h 02m

1 stop

LHR06:55London Heathrow

23 Sept

LHR15:00London Heathrow

13h 22m

1 stop

SDF23:22Louisville Intl

£674

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 14/10

17:00-08:00

1 stop10h 00m

London Heathrow

Wed 21/10

06:15-21:38

2 stops20h 23m

£668

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 21/9

12:38-06:55

1 stop13h 17m

London Heathrow

Fri 2/10

09:15-17:14

1 stop12h 59m

£672

Fastest return journey

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 14/9

14:53-06:55

1 stop11h 02m

London Heathrow

Wed 23/9

15:00-23:22

1 stop13h 22m

£674

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 14/9

10:29-10:50

1 stop19h 21m

London Heathrow

Wed 23/9

06:15-22:33

2 stops21h 18m

£675

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 21/9

08:10-06:25

1 stop17h 15m

London Heathrow

Fri 2/10

06:30-17:11

2 stops15h 41m

£682

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 14/10

10:25-06:30

2 stops15h 05m

London Heathrow

Wed 21/10

07:25-20:31

2 stops18h 06m

£684

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 14/9

14:42-10:20

2 stops14h 38m

London Heathrow

Wed 23/9

09:55-21:12

2 stops16h 17m

£685

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 19/10

10:25-06:55

2 stops15h 30m

London Heathrow

Fri 23/10

06:50-19:24

2 stops17h 34m

£686

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Mon 21/9

17:30-16:00

2 stops17h 30m

London Gatwick

Fri 2/10

10:25-23:59

2 stops18h 34m

£690

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Mon 21/9

13:15-09:40

2 stops15h 25m

London Gatwick

Fri 2/10

10:25-23:59

2 stops18h 34m

£746

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 April. Flight prices, which tend to average around £340, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Louisville averaging around £404.

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	11h 15m
Direct flights	None

The fastest flight from Louisville to London takes 11h 15m

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 11h 15m.
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.
What is the most popular airline from Louisville to London?
Based on momondo bookings for flights between Louisville and London, the leading airline is British Airways, making up 100% of the total bookings.

Eastbourne

Wembley

Milton Keynes

Gatwick

Luton

Slough

Southend-on-Sea

Maidstone

Ipswich

Ilford

Canterbury

Folkestone

Guildford

Hayes

Bedford

Chichester

Dover

Harlow

Chelmsford

Colchester

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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Cheap flights from Louisville to London from £217

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 15/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Louisville to London

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Big names, great deals

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American Airlines flights from Louisville to London

Our best American Airlines deals on Louisville to London flight tickets

British Airways flights from Louisville to London

Our best British Airways deals on Louisville to London flight tickets

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Use the filters below to find and compare flights from Louisville to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Louisville to London

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

What is the cheapest month to fly to London?

How have Louisville to London flight prices changed over time?

What is the cheapest airline that flies from Louisville Intl to London?

When to book flights from Louisville to London

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

Direct flights

Frequently asked questions about flying from Louisville to London

Travelling to a place near London?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to London

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