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

British Airways, United Airlines, and Delta 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.

£226 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 £841 to £1,007. The lowest price recently found on this route was £352.

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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.

19:30 - 11:40

SDF

LHR

11h 10m

1 stop

06:30 - 16:51

LHR

SDF

15h 21m

2 stops

£352Virgin Atlantic

Sun, 15 Nov - Wed, 18 Nov

14:15 - 08:05

SDF

LHR

12h 50m

2 stops

06:30 - 16:51

LHR

SDF

15h 21m

2 stops

£354Virgin Atlantic

Sun, 15 Nov - Wed, 18 Nov

10:43 - 06:25

SDF

LHR

14h 42m

1 stop

13:00 - 21:41

LHR

SDF

13h 41m

1 stop

£363Virgin Atlantic

Sun, 15 Nov - Wed, 18 Nov

10:56 - 10:00

SDF

LGW

18h 04m

2 stops

14:00 - 17:24

LGW

SDF

32h 24m

1 stop

£572Multiple Airlines

Wed, 16 Sep - Sat, 26 Sep

15:35 - 07:40

SDF

LHR

35h 05m

1 stop

06:50 - 19:15

LHR

SDF

17h 25m

2 stops

£590United Airlines

Sun, 15 Nov - Wed, 18 Nov

12:43 - 08:35

SDF

LHR

14h 52m

1 stop

07:35 - 22:59

LHR

SDF

20h 24m

2 stops

£654Iberia

Sun, 15 Nov - Wed, 18 Nov

19:14 - 12:15

SDF

LHR

12h 01m

1 stop

19:40 - 22:55

LHR

SDF

31h 15m

2 stops

£658Iberia

Wed, 21 Oct - Mon, 26 Oct

13:56 - 06:55

SDF

LHR

11h 59m

1 stop

08:00 - 17:40

LHR

SDF

14h 40m

1 stop

£660Lufthansa

Tue, 22 Sep - Tue, 6 Oct

18:16 - 17:55

SDF

LCY

18h 39m

2 stops

09:15 - 23:59

LCY

SDF

19h 44m

2 stops

£743Lufthansa

Sat, 10 Oct - Wed, 14 Oct

11:50 - 11:45

SDF

LGW

18h 55m

2 stops

13:00 - 22:30

LGW

SDF

38h 30m

2 stops

£759Multiple Airlines

Mon, 17 Aug - Tue, 25 Aug

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Virgin Atlantic flights from Louisville to London

Our best Virgin Atlantic deals on Louisville to London flight tickets

Virgin Atlantic

15 Nov

SDF19:30Louisville Intl

11h 10m

1 stop

LHR11:40London Heathrow

18 Nov

LHR06:30London Heathrow

15h 21m

2 stops

SDF16:51Louisville Intl

£352

Virgin Atlantic

15 Nov

SDF14:15Louisville Intl

12h 50m

2 stops

LHR08:05London Heathrow

18 Nov

LHR06:30London Heathrow

15h 21m

2 stops

SDF16:51Louisville Intl

£354

Virgin Atlantic

15 Nov

SDF10:43Louisville Intl

14h 42m

1 stop

LHR06:25London Heathrow

18 Nov

LHR13:00London Heathrow

13h 41m

1 stop

SDF21:41Louisville Intl

£363

Air Canada flights from Louisville to London

Our best Air Canada deals on Louisville to London flight tickets

Air Canada

1 Nov

SDF06:20Louisville Intl

33h 40m

2 stops

LHR21:00London Heathrow

17 Nov

LHR13:00London Heathrow

29h 06m

2 stops

SDF13:06Louisville Intl

£675

Air Canada

2 Nov

SDF09:00Louisville Intl

17h 10m

2 stops

LHR07:10London Heathrow

17 Nov

LHR13:00London Heathrow

29h 06m

2 stops

SDF13:06Louisville Intl

£677

Air Canada

1 Nov

SDF07:10Louisville Intl

19h 00m

2 stops

LHR07:10London Heathrow

13 Nov

LHR18:00London Heathrow

31h 41m

2 stops

SDF20:41Louisville Intl

£681

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 15/11

19:30-11:40

1 stop11h 10m

London Heathrow

Wed 18/11

06:30-16:51

2 stops15h 21m

£352

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 15/11

14:15-08:05

2 stops12h 50m

London Heathrow

Wed 18/11

06:30-16:51

2 stops15h 21m

£354

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 15/11

10:43-06:25

1 stop14h 42m

London Heathrow

Wed 18/11

13:00-21:41

1 stop13h 41m

£363

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Wed 16/9

10:56-10:00

2 stops18h 04m

London Gatwick

Sat 26/9

14:00-17:24

1 stop32h 24m

£572

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 15/11

15:35-07:40

1 stop35h 05m

London Heathrow

Wed 18/11

06:50-19:15

2 stops17h 25m

£590

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 15/11

12:43-08:35

1 stop14h 52m

London Heathrow

Wed 18/11

07:35-22:59

2 stops20h 24m

£654

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 21/10

19:14-12:15

1 stop12h 01m

London Heathrow

Mon 26/10

19:40-22:55

2 stops31h 15m

£658

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 22/9

13:56-06:55

1 stop11h 59m

London Heathrow

Tue 6/10

08:00-17:40

1 stop14h 40m

£660

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Sat 10/10

18:16-17:55

2 stops18h 39m

London City

Wed 14/10

09:15-23:59

2 stops19h 44m

£743

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Mon 17/8

11:50-11:45

2 stops18h 55m

London Gatwick

Tue 25/8

13:00-22:30

2 stops38h 30m

£759

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 £342, 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 £405.

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 10m
Direct flights	None

The fastest flight from Louisville to London takes 11h 10m

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 10m.
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

Chichester

Bedford

Hastings

Colchester

Harlow

Chelmsford

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.

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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 £226

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.

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Virgin Atlantic flights from Louisville to London

Our best Virgin Atlantic deals on Louisville to London flight tickets

Air Canada flights from Louisville to London

Our best Air Canada 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

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