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?

Aer Lingus, 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.

£211 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 £697 to £1,137. The lowest price recently found on this route was £446.

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Louisville to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:50 - 06:20

SDF

LHR

11h 30m1 stop

06:35 - 19:43

LHR

SDF

18h 08m2 stops

£446Lufthansa

Mon, 2 Feb - Tue, 10 Feb

14:10 - 06:40

SDF

LHR

11h 30m1 stop

08:30 - 19:43

LHR

SDF

16h 13m2 stops

£452Lufthansa

Mon, 2 Feb - Wed, 11 Feb

14:10 - 10:25

SDF

LHR

15h 15m2 stops

08:30 - 22:30

LHR

SDF

19h 00m2 stops

£459Lufthansa

Mon, 2 Feb - Tue, 10 Feb

07:09 - 07:30

SDF

LGW

19h 21m2 stops

11:20 - 10:58

LGW

SDF

27h 38m2 stops

£462American Airlines

Tue, 3 Mar - Thu, 12 Mar

14:10 - 10:50

SDF

LHR

15h 40m1 stop

09:00 - 22:13

LHR

SDF

18h 13m2 stops

£468United Airlines

Wed, 4 Feb - Sat, 14 Feb

10:45 - 07:10

SDF

LHR

15h 25m2 stops

06:50 - 20:09

LHR

SDF

18h 19m2 stops

£471United Airlines

Sun, 15 Feb - Sun, 22 Feb

12:22 - 10:15

SDF

LHR

16h 53m2 stops

08:40 - 21:14

LHR

SDF

17h 34m2 stops

£472Delta

Wed, 4 Feb - Sat, 14 Feb

12:33 - 10:00

SDF

LGW

16h 27m1 stop

14:00 - 14:38

LGW

SDF

29h 38m2 stops

£541Multiple Airlines

Wed, 1 Apr - Sat, 18 Apr

21:39 - 10:00

SDF

LGW

31h 21m1 stop

14:00 - 14:33

LGW

SDF

29h 33m2 stops

£571Multiple Airlines

Thu, 2 Apr - Mon, 13 Apr

15:00 - 09:30

SDF

LCY

13h 30m2 stops

10:00 - 21:15

LCY

SDF

16h 15m2 stops

£1,375Delta

Fri, 16 Jan - Wed, 21 Jan

British Airways flights from Louisville to London

Our best British Airways deals on Louisville to London flight tickets

British Airways

8 Apr

SDF12:15Louisville Intl

14h 25m

1 stop

LHR07:40London Heathrow

13 Apr

LHR19:25London Heathrow

31h 03m

2 stops

SDF21:28Louisville Intl

£477

Find similar

British Airways

8 Apr

SDF19:05Louisville Intl

10h 25m

1 stop

LHR10:30London Heathrow

13 Apr

LHR19:25London Heathrow

31h 03m

2 stops

SDF21:28Louisville Intl

£478

Find similar

British Airways

14 Feb

SDF12:00Louisville Intl

17h 25m

1 stop

LHR10:25London Heathrow

21 Feb

LHR12:35London Heathrow

13h 51m

1 stop

SDF21:26Louisville Intl

£486

Find similar

United Airlines flights from Louisville to London

Our best United Airlines deals on Louisville to London flight tickets

United Airlines

4 Feb

SDF14:10Louisville Intl

15h 40m

1 stop

LHR10:50London Heathrow

14 Feb

LHR09:00London Heathrow

18h 13m

2 stops

SDF22:13Louisville Intl

£468

Find similar

United Airlines

15 Feb

SDF10:45Louisville Intl

15h 25m

2 stops

LHR07:10London Heathrow

22 Feb

LHR06:50London Heathrow

18h 19m

2 stops

SDF20:09Louisville Intl

£470

Find similar

United Airlines

30 Jan

SDF14:05Louisville Intl

16h 00m

2 stops

LHR11:05London Heathrow

6 Feb

LHR06:50London Heathrow

17h 41m

2 stops

SDF19:31Louisville Intl

£471

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 2/2

13:50-06:20

1 stop11h 30m

London Heathrow

Tue 10/2

06:35-19:43

2 stops18h 08m

£446

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 2/2

14:10-06:40

1 stop11h 30m

London Heathrow

Wed 11/2

08:30-19:43

2 stops16h 13m

£452

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 2/2

14:10-10:25

2 stops15h 15m

London Heathrow

Tue 10/2

08:30-22:30

2 stops19h 00m

£459

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Tue 3/3

07:09-07:30

2 stops19h 21m

London Gatwick

Thu 12/3

11:20-10:58

2 stops27h 38m

£462

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/2

14:10-10:50

1 stop15h 40m

London Heathrow

Sat 14/2

09:00-22:13

2 stops18h 13m

£468

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 15/2

10:45-07:10

2 stops15h 25m

London Heathrow

Sun 22/2

06:50-20:09

2 stops18h 19m

£470

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/2

12:22-10:15

2 stops16h 53m

London Heathrow

Sat 14/2

08:40-21:14

2 stops17h 34m

£472

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Wed 1/4

12:33-10:00

1 stop16h 27m

London Gatwick

Sat 18/4

14:00-14:38

2 stops29h 38m

£541

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Thu 2/4

21:39-10:00

1 stop31h 21m

London Gatwick

Mon 13/4

14:00-14:33

2 stops29h 33m

£571

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Fri 16/1

15:00-09:30

2 stops13h 30m

London City

Wed 21/1

10:00-21:15

2 stops16h 15m

£1,375

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 £519, 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 £521.

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 £698 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 £556 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 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.
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.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Hounslow

Bedford

Colchester

Ramsgate

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.