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 63% 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?

British Airways, Aer Lingus, and Iberia 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 £436.

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Find the cheapest flights from Louisville to London

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One-way

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19:05 - 12:15

SDF

LHR

12h 10m1 stop

20:00 - 21:20

LHR

SDF

30h 20m2 stops

£436British Airways

Wed, 8 Apr - Mon, 13 Apr

11:00 - 06:20

SDF

LHR

14h 20m1 stop

20:00 - 17:56

LHR

SDF

26h 56m2 stops

£437British Airways

Wed, 8 Apr - Mon, 13 Apr

18:12 - 11:35

SDF

LHR

12h 23m1 stop

14:55 - 22:43

LHR

SDF

36h 48m2 stops

£439British Airways

Wed, 18 Feb - Wed, 25 Feb

10:31 - 09:15

SDF

LHR

17h 44m1 stop

19:40 - 21:11

LHR

SDF

30h 31m2 stops

£444British Airways

Tue, 24 Feb - Tue, 3 Mar

12:12 - 06:50

SDF

LHR

13h 38m2 stops

10:00 - 21:18

LHR

SDF

16h 18m2 stops

£454Virgin Atlantic

Wed, 18 Feb - Wed, 25 Feb

15:05 - 07:50

SDF

LHR

12h 45m1 stop

11:05 - 22:51

LHR

SDF

15h 46m1 stop

£454KLM

Mon, 16 Mar - Wed, 25 Mar

13:55 - 10:00

SDF

LGW

15h 05m1 stop

14:00 - 13:00

LGW

SDF

28h 00m1 stop

£467Multiple Airlines

Mon, 26 Jan - Thu, 29 Jan

13:50 - 09:05

SDF

LCY

14h 15m2 stops

09:50 - 19:55

LCY

SDF

15h 05m2 stops

£512Lufthansa

Wed, 18 Feb - Wed, 25 Feb

12:33 - 10:00

SDF

LGW

16h 27m1 stop

14:00 - 11:38

LGW

SDF

26h 38m1 stop

£524Multiple Airlines

Wed, 13 May - Tue, 26 May

13:55 - 17:55

SDF

LCY

23h 00m2 stops

09:15 - 19:41

LCY

SDF

15h 26m2 stops

£524Lufthansa

Tue, 12 May - Tue, 19 May

British Airways flights from Louisville to London

Our best British Airways deals on Louisville to London flight tickets

British Airways

8 Apr

SDF19:05Louisville Intl

12h 10m

1 stop

LHR12:15London Heathrow

13 Apr

LHR20:00London Heathrow

26h 56m

2 stops

SDF17:56Louisville Intl

£436

British Airways

18 Feb

SDF18:12Louisville Intl

12h 23m

1 stop

LHR11:35London Heathrow

25 Feb

LHR14:55London Heathrow

36h 48m

2 stops

SDF22:43Louisville Intl

£439

British Airways

24 Feb

SDF10:31Louisville Intl

17h 44m

1 stop

LHR09:15London Heathrow

3 Mar

LHR19:40London Heathrow

30h 31m

2 stops

SDF21:11Louisville Intl

£444

Delta flights from Louisville to London

Our best Delta deals on Louisville to London flight tickets

Delta

9 Mar

SDF15:05Louisville Intl

12h 45m

1 stop

LHR07:50London Heathrow

18 Mar

LHR11:30London Heathrow

16h 27m

2 stops

SDF23:57Louisville Intl

£449

Delta

18 Jan

SDF10:35Louisville Intl

16h 30m

2 stops

LHR08:05London Heathrow

3 Feb

LHR06:20London Heathrow

16h 53m

2 stops

SDF18:13Louisville Intl

£452

Delta

15 Mar

SDF07:05Louisville Intl

20h 45m

1 stop

LHR07:50London Heathrow

26 Mar

LHR10:10London Heathrow

16h 33m

2 stops

SDF22:43Louisville Intl

£457

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 8/4

19:05-12:15

1 stop12h 10m

London Heathrow

Mon 13/4

20:00-21:20

2 stops30h 20m

£436

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 8/4

11:00-06:20

1 stop14h 20m

London Heathrow

Mon 13/4

20:00-17:56

2 stops26h 56m

£437

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 18/2

18:12-11:35

1 stop12h 23m

London Heathrow

Wed 25/2

14:55-22:43

2 stops36h 48m

£439

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 24/2

10:31-09:15

1 stop17h 44m

London Heathrow

Tue 3/3

19:40-21:11

2 stops30h 31m

£444

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 18/2

12:12-06:50

2 stops13h 38m

London Heathrow

Wed 25/2

10:00-21:18

2 stops16h 18m

£454

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 16/3

15:05-07:50

1 stop12h 45m

London Heathrow

Wed 25/3

11:05-22:51

1 stop15h 46m

£454

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Mon 26/1

13:55-10:00

1 stop15h 05m

London Gatwick

Thu 29/1

14:00-13:00

1 stop28h 00m

£467

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Wed 18/2

13:50-09:05

2 stops14h 15m

London City

Wed 25/2

09:50-19:55

2 stops15h 05m

£512

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Wed 13/5

12:33-10:00

1 stop16h 27m

London Gatwick

Tue 26/5

14:00-11:38

1 stop26h 38m

£524

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Tue 12/5

13:55-17:55

2 stops23h 00m

London City

Tue 19/5

09:15-19:41

2 stops15h 26m

£524

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 20m
Direct flights	None

The fastest flight from Louisville to London takes 10h 20m

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 20m.
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 Virgin Atlantic, making up 100% of the total bookings.

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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.