Which airlines fly to London?

British Airways, Iberia and Virgin Atlantic are the top three most popular airlines that fly to London from Louisville according to our data. British Airways is the first choice among our users, with 64% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Aer Lingus, British Airways, 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.

£164 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 £548 to £888. The lowest price recently found on this route was £434.

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Find the cheapest flights from Louisville to London

Round-trip

One-way

Last minute

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Enter your travel dates to find the best prices.

11:14 - 09:15

SDF

LHR

17h 01m

1 stop

19:40 - 23:19

LHR

SDF

32h 39m

2 stops

£434British Airways

Tue, 3 Feb - Mon, 9 Feb

12:07 - 10:25

SDF

LHR

17h 18m

1 stop

16:30 - 21:11

LHR

SDF

33h 41m

2 stops

£439British Airways

Mon, 16 Feb - Mon, 23 Feb

05:35 - 07:50

SDF

LHR

21h 15m

1 stop

11:30 - 23:58

LHR

SDF

17h 28m

2 stops

£448Delta

Tue, 10 Feb - Tue, 17 Feb

15:33 - 07:50

SDF

LHR

11h 17m

1 stop

06:30 - 21:43

LHR

SDF

20h 13m

2 stops

£452Delta

Sun, 1 Mar - Sun, 8 Mar

12:22 - 08:45

SDF

LHR

15h 23m

2 stops

11:45 - 21:18

LHR

SDF

14h 33m

2 stops

£453Virgin Atlantic

Tue, 10 Feb - Tue, 17 Feb

15:32 - 10:50

SDF

LHR

14h 18m

2 stops

10:00 - 21:18

LHR

SDF

16h 18m

2 stops

£453Virgin Atlantic

Wed, 11 Feb - Wed, 18 Feb

13:55 - 10:00

SDF

LGW

15h 05m

1 stop

14:00 - 13:00

LGW

SDF

28h 00m

1 stop

£465Multiple Airlines

Fri, 30 Jan - Thu, 5 Feb

13:19 - 10:00

SDF

LGW

15h 41m

1 stop

14:00 - 11:05

LGW

SDF

26h 05m

2 stops

£476Multiple Airlines

Mon, 2 Mar - Fri, 6 Mar

14:35 - 09:15

SDF

LCY

13h 40m

2 stops

09:50 - 23:59

LCY

SDF

19h 09m

2 stops

£512Lufthansa

Mon, 16 Feb - Mon, 23 Feb

14:05 - 09:15

SDF

LCY

14h 10m

2 stops

09:50 - 23:23

LCY

SDF

18h 33m

2 stops

£520Lufthansa

Tue, 3 Feb - Mon, 9 Feb

Air Canada flights from Louisville to London

Our best Air Canada deals on Louisville to London flight tickets

Air Canada

19 Feb

SDF06:15Louisville Intl

33h 20m

2 stops

LHR20:35London Heathrow

23 Feb

LHR09:00London Heathrow

39h 56m

2 stops

SDF19:56Louisville Intl

£474

Air Canada

14 Feb

SDF05:35Louisville Intl

20h 35m

2 stops

LHR07:10London Heathrow

21 Feb

LHR15:00London Heathrow

37h 59m

2 stops

SDF23:59Louisville Intl

£479

Air Canada

11 May

SDF05:50Louisville Intl

21h 45m

2 stops

LHR08:35London Heathrow

20 May

LHR17:40London Heathrow

28h 09m

2 stops

SDF16:49Louisville Intl

£498

United Airlines flights from Louisville to London

Our best United Airlines deals on Louisville to London flight tickets

United Airlines

28 Feb

SDF14:05Louisville Intl

12h 50m

1 stop

LHR07:55London Heathrow

7 Mar

LHR09:00London Heathrow

16h 14m

2 stops

SDF20:14Louisville Intl

£470

United Airlines

28 Feb

SDF09:30Louisville Intl

15h 25m

2 stops

LHR05:55London Heathrow

7 Mar

LHR06:50London Heathrow

17h 41m

2 stops

SDF19:31Louisville Intl

£473

United Airlines

14 Feb

SDF09:50Louisville Intl

20h 00m

1 stop

LHR10:50London Heathrow

21 Feb

LHR08:30London Heathrow

16h 39m

2 stops

SDF20:09Louisville Intl

£478

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 3/2

11:14-09:15

1 stop17h 01m

London Heathrow

Mon 9/2

19:40-23:19

2 stops32h 39m

£434

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 16/2

12:07-10:25

1 stop17h 18m

London Heathrow

Mon 23/2

16:30-21:11

2 stops33h 41m

£439

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 10/2

05:35-07:50

1 stop21h 15m

London Heathrow

Tue 17/2

11:30-23:58

2 stops17h 28m

£448

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 1/3

15:33-07:50

1 stop11h 17m

London Heathrow

Sun 8/3

06:30-21:43

2 stops20h 13m

£452

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 10/2

12:22-08:45

2 stops15h 23m

London Heathrow

Tue 17/2

11:45-21:18

2 stops14h 33m

£453

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/2

15:32-10:50

2 stops14h 18m

London Heathrow

Wed 18/2

10:00-21:18

2 stops16h 18m

£453

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Fri 30/1

13:55-10:00

1 stop15h 05m

London Gatwick

Thu 5/2

14:00-13:00

1 stop28h 00m

£465

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Mon 2/3

13:19-10:00

1 stop15h 41m

London Gatwick

Fri 6/3

14:00-11:05

2 stops26h 05m

£476

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Mon 16/2

14:35-09:15

2 stops13h 40m

London City

Mon 23/2

09:50-23:59

2 stops19h 09m

£512

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Tue 3/2

14:05-09:15

2 stops14h 10m

London City

Mon 9/2

09:50-23:23

2 stops18h 33m

£520

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 October. Flight prices, which tend to average around £521, 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 £524.

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 £669 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 £512 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 11m
Direct flights	None

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

There are no direct flights from Louisville to London. There are no popular flight routes from Louisville to London.

Search flight deals

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 11m.
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.

Eastbourne

Luton

Milton Keynes

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Worthing

Hounslow

Bedford

Ramsgate

Colchester

Folkestone

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.