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 66% 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 Air Canada 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.

£167 Cheap Flights from Louisville to London in 2025/26

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 £762 to £1,296. The lowest price recently found on this route was £420.

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Find the cheapest flights from Louisville to London

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14:10 - 06:40SDF-LHR

11h 30m1 stop

07:40 - 20:28LHR-SDF

17h 48m2 stops

£420Lufthansa

Find Deal

Sat, 10 Jan - Sat, 17 Jan

14:05 - 05:55SDF-LHR

10h 50m1 stop

07:40 - 20:28LHR-SDF

17h 48m2 stops

£423Lufthansa

Find Deal

Sat, 10 Jan - Sat, 17 Jan

12:30 - 09:20SDF-LHR

15h 50m2 stops

06:40 - 22:37LHR-SDF

19h 57m2 stops

£453Scandinavian Airlines

Find Deal

Thu, 5 Mar - Mon, 16 Mar

17:47 - 11:40SDF-LHR

12h 53m1 stop

06:30 - 17:01LHR-SDF

15h 31m2 stops

£455Virgin Atlantic

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Wed, 4 Feb - Sun, 8 Feb

14:05 - 07:55SDF-LHR

12h 50m1 stop

06:30 - 19:31LHR-SDF

18h 01m2 stops

£470Lufthansa

Find Deal

Fri, 9 Jan - Tue, 13 Jan

11:10 - 05:55SDF-LHR

13h 45m1 stop

06:50 - 19:31LHR-SDF

17h 41m2 stops

£473United Airlines

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Fri, 9 Jan - Fri, 16 Jan

09:50 - 07:10SDF-LHR

16h 20m2 stops

09:00 - 20:28LHR-SDF

16h 28m2 stops

£473United Airlines

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Fri, 9 Jan - Tue, 13 Jan

15:00 - 06:50SDF-LHR

10h 50m1 stop

15:50 - 23:55LHR-SDF

13h 05m1 stop

£476KLM

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Fri, 9 Jan - Tue, 13 Jan

14:05 - 09:10SDF-LHR

14h 05m2 stops

06:50 - 19:43LHR-SDF

17h 53m2 stops

£476United Airlines

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Fri, 9 Jan - Fri, 16 Jan

15:32 - 16:35SDF-LCY

20h 03m2 stops

17:50 - 17:01LCY-SDF

52h 11m2 stops

£497Virgin Atlantic

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Wed, 4 Feb - Sun, 8 Feb

Lufthansa flights from Louisville to London

Our best Lufthansa deals on Louisville to London flight tickets

Lufthansa

10 Jan

SDF14:10Louisville Intl

11h 30m

1 stop

LHR06:40London Heathrow

17 Jan

LHR07:40London Heathrow

17h 48m

2 stops

SDF20:28Louisville Intl

£420

Find similar

Lufthansa

10 Jan

SDF14:05Louisville Intl

10h 50m

1 stop

LHR05:55London Heathrow

17 Jan

LHR07:40London Heathrow

17h 48m

2 stops

SDF20:28Louisville Intl

£423

Find similar

Lufthansa

9 Jan

SDF14:05Louisville Intl

12h 50m

1 stop

LHR07:55London Heathrow

13 Jan

LHR06:30London Heathrow

18h 01m

2 stops

SDF19:31Louisville Intl

£470

Find similar

Virgin Atlantic flights from Louisville to London

Our best Virgin Atlantic deals on Louisville to London flight tickets

Virgin Atlantic

4 Feb

SDF17:47Louisville Intl

12h 53m

1 stop

LHR11:40London Heathrow

8 Feb

LHR06:30London Heathrow

15h 31m

2 stops

SDF17:01Louisville Intl

£455

Find similar

Virgin Atlantic

4 Feb

SDF15:32Louisville Intl

20h 03m

2 stops

LCY16:35London City

8 Feb

LCY17:50London City

52h 11m

2 stops

SDF17:01Louisville Intl

£497

Find similar

Virgin Atlantic

4 Feb

SDF15:32Louisville Intl

20h 03m

2 stops

LCY16:35London City

8 Feb

LCY17:50London City

52h 11m

2 stops

SDF17:01Louisville Intl

£499

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sat 10/1

14:10-06:40

1 stop11h 30m

London Heathrow

Sat 17/1

07:40-20:28

2 stops17h 48m

£420

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sat 10/1

14:05-05:55

1 stop10h 50m

London Heathrow

Sat 17/1

07:40-20:28

2 stops17h 48m

£423

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Thu 5/3

12:30-09:20

2 stops15h 50m

London Heathrow

Mon 16/3

06:40-22:37

2 stops19h 57m

£453

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/2

17:47-11:40

1 stop12h 53m

London Heathrow

Sun 8/2

06:30-17:01

2 stops15h 31m

£455

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 9/1

14:05-07:55

1 stop12h 50m

London Heathrow

Tue 13/1

06:30-19:31

2 stops18h 01m

£470

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 9/1

11:10-05:55

1 stop13h 45m

London Heathrow

Fri 16/1

06:50-19:31

2 stops17h 41m

£473

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 9/1

09:50-07:10

2 stops16h 20m

London Heathrow

Tue 13/1

09:00-20:28

2 stops16h 28m

£473

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 9/1

15:00-06:50

1 stop10h 50m

London Heathrow

Tue 13/1

15:50-23:55

1 stop13h 05m

£476

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 9/1

14:05-09:10

2 stops14h 05m

London Heathrow

Fri 16/1

06:50-19:43

2 stops17h 53m

£476

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Wed 4/2

15:32-16:35

2 stops20h 03m

London City

Sun 8/2

17:50-17:01

2 stops52h 11m

£497

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 £530, 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.

What is the cheapest day to depart on your flight to London?

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £518. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to London for around £847.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £565. Flights in the afternoon are often more expensive, with an average ticket price of £844.

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 £750 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 £567 on momondo.

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 55m
Direct flights	None

The fastest flight from Louisville to London takes 10h 55m

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

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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.
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.