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

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

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 67% 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.

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.

£165 Cheap Flights from Louisville to London in 2025/26

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Find the cheapest flights from Louisville to London

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14:05 - 11:15

SDF

LHR

16h 10m1 stop

07:40 - 19:43

LHR

SDF

17h 03m2 stops

£445Lufthansa

Mon, 12 Jan - Mon, 2 Feb

14:05 - 05:55

SDF

LHR

10h 50m1 stop

12:05 - 19:43

LHR

SDF

12h 38m1 stop

£450Lufthansa

Sun, 11 Jan - Sun, 1 Feb

14:10 - 10:25

SDF

LHR

15h 15m2 stops

06:35 - 19:43

LHR

SDF

18h 08m2 stops

£451Lufthansa

Mon, 12 Jan - Mon, 2 Feb

14:05 - 05:55

SDF

LHR

10h 50m1 stop

08:30 - 22:30

LHR

SDF

19h 00m2 stops

£453Lufthansa

Sat, 10 Jan - Sun, 18 Jan

06:23 - 07:05

SDF

LHR

19h 42m1 stop

11:45 - 21:15

LHR

SDF

14h 30m2 stops

£457Virgin Atlantic

Wed, 7 Jan - Wed, 14 Jan

06:28 - 20:35

SDF

LHR

33h 07m2 stops

11:10 - 22:30

LHR

SDF

16h 20m2 stops

£462Multiple Airlines

Wed, 7 Jan - Wed, 14 Jan

09:50 - 06:30

SDF

LHR

15h 40m2 stops

08:45 - 22:30

LHR

SDF

18h 45m2 stops

£467Multiple Airlines

Sat, 24 Jan - Sat, 31 Jan

13:50 - 08:25

SDF

LHR

13h 35m1 stop

06:50 - 22:13

LHR

SDF

20h 23m2 stops

£468United Airlines

Wed, 11 Feb - Sun, 15 Feb

12:00 - 19:00

SDF

LGW

26h 00m2 stops

11:45 - 20:25

LGW

SDF

37h 40m2 stops

£627Iberia

Sun, 1 Mar - Sat, 7 Mar

11:55 - 20:00

SDF

LGW

27h 05m2 stops

20:40 - 19:02

LGW

SDF

27h 22m2 stops

£631Iberia

Wed, 8 Apr - Wed, 15 Apr

Lufthansa flights from Louisville to London

Our best Lufthansa deals on Louisville to London flight tickets

Lufthansa

12 Jan

SDF14:05Louisville Intl

16h 10m

1 stop

LHR11:15London Heathrow

2 Feb

LHR07:40London Heathrow

17h 03m

2 stops

SDF19:43Louisville Intl

£445

Find similar

Lufthansa

11 Jan

SDF14:05Louisville Intl

10h 50m

1 stop

LHR05:55London Heathrow

1 Feb

LHR12:05London Heathrow

12h 38m

1 stop

SDF19:43Louisville Intl

£450

Find similar

Lufthansa

12 Jan

SDF14:10Louisville Intl

15h 15m

2 stops

LHR10:25London Heathrow

2 Feb

LHR06:35London Heathrow

18h 08m

2 stops

SDF19:43Louisville Intl

£451

Find similar

Delta flights from Louisville to London

Our best Delta deals on Louisville to London flight tickets

Delta

13 Jan

SDF17:45Louisville Intl

12h 55m

1 stop

LHR11:40London Heathrow

3 Feb

LHR10:00London Heathrow

16h 19m

2 stops

SDF21:19Louisville Intl

£470

Find similar

Delta

9 Jan

SDF15:00Louisville Intl

10h 50m

1 stop

LHR06:50London Heathrow

4 Feb

LHR08:55London Heathrow

15h 44m

1 stop

SDF19:39Louisville Intl

£490

Find similar

Delta

8 Apr

SDF16:26Louisville Intl

15h 44m

1 stop

LHR13:10London Heathrow

28 Apr

LHR11:45London Heathrow

17h 14m

2 stops

SDF23:59Louisville Intl

£529

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 12/1

14:05-11:15

1 stop16h 10m

London Heathrow

Mon 2/2

07:40-19:43

2 stops17h 03m

£445

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 11/1

14:05-05:55

1 stop10h 50m

London Heathrow

Sun 1/2

12:05-19:43

1 stop12h 38m

£450

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 12/1

14:10-10:25

2 stops15h 15m

London Heathrow

Mon 2/2

06:35-19:43

2 stops18h 08m

£451

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sat 10/1

14:05-05:55

1 stop10h 50m

London Heathrow

Sun 18/1

08:30-22:30

2 stops19h 00m

£453

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 7/1

06:23-07:05

1 stop19h 42m

London Heathrow

Wed 14/1

11:45-21:15

2 stops14h 30m

£457

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 7/1

06:28-20:35

2 stops33h 07m

London Heathrow

Wed 14/1

11:10-22:30

2 stops16h 20m

£462

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sat 24/1

09:50-06:30

2 stops15h 40m

London Heathrow

Sat 31/1

08:45-22:30

2 stops18h 45m

£467

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/2

13:50-08:25

1 stop13h 35m

London Heathrow

Sun 15/2

06:50-22:13

2 stops20h 23m

£468

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Sun 1/3

12:00-19:00

2 stops26h 00m

London Gatwick

Sat 7/3

11:45-20:25

2 stops37h 40m

£627

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Wed 8/4

11:55-20:00

2 stops27h 05m

London Gatwick

Wed 15/4

20:40-19:02

2 stops27h 22m

£631

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 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 £522, 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.

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 £511. 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 £835.

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 £558. Flights in the afternoon are often more expensive, with an average ticket price of £832.

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 £702 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 £559 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 59m
Direct flights	None

The fastest flight from Louisville to London takes 10h 59m

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 59m.
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.