How long does it take to fly to London?

Flight times from Kentucky to London vary, but if you’re flying out of Louisville and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 40m on average. Another popular route from Kentucky to London is flying from Lexington to London Heathrow Airport, which will take roughly 11h 31m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Kentucky to London?

British Airways, Iberia, and United Airlines are the most popular carriers operating from Kentucky to London

When did momondo last update prices for flights from Kentucky to London?

Prices for flights from Kentucky to London refresh daily.

How old do you have to be to fly from Kentucky to London?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£241 Cheap Flights from Kentucky to London in 2026/27

Find the cheapest flights from Kentucky to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:50 - 07:40SDF Louisville Intl-LHR London Heathrow

34h 50m1 stop Houston George Bush Intcntl

06:50 - 17:07LHR London Heathrow-SDF Louisville Intl

15h 17m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£570United Airlines

Tue, 2 Mar - Fri, 5 Mar

15:50 - 07:40SDF Louisville Intl-LHR London Heathrow

34h 50m1 stop Houston George Bush Intcntl

06:50 - 17:07LHR London Heathrow-SDF Louisville Intl

15h 17m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£574United Airlines

Tue, 2 Mar - Fri, 5 Mar

10:12 - 08:35SDF Louisville Intl-LHR London Heathrow

17h 23m1 stop Chicago O'Hare Intl

06:15 - 21:37LHR London Heathrow-SDF Louisville Intl

20h 22m2 stops Madrid Barajas Chicago O'Hare Intl

£651Iberia

Mon, 1 Feb - Fri, 5 Feb

09:00 - 21:00SDF Louisville Intl-LHR London Heathrow

31h 00m2 stops Chicago O'Hare Intl Ottawa

06:50 - 17:07LHR London Heathrow-SDF Louisville Intl

15h 17m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£654United Airlines

Tue, 2 Mar - Fri, 5 Mar

09:00 - 05:55LEX Lexington Blue Grass-LHR London Heathrow

15h 55m1 stop Chicago O'Hare Intl

12:05 - 23:47LHR London Heathrow-LEX Lexington Blue Grass

40h 42m2 stops Zurich Chicago O'Hare Intl

£657United Airlines

Mon, 22 Feb - Mon, 1 Mar

13:11 - 13:30SDF Louisville Intl-LHR London Heathrow

19h 19m2 stops Chicago O'Hare Intl Madrid Barajas

07:30 - 21:37LHR London Heathrow-SDF Louisville Intl

19h 07m2 stops Madrid Barajas Chicago O'Hare Intl

£657Iberia

Mon, 1 Feb - Fri, 5 Feb

08:50 - 21:00SDF Louisville Intl-LHR London Heathrow

31h 10m2 stops Chicago O'Hare Intl Ottawa

09:00 - 20:29LHR London Heathrow-SDF Louisville Intl

16h 29m2 stops Zurich Chicago O'Hare Intl

£658United Airlines

Tue, 19 Jan - Tue, 2 Feb

09:00 - 21:00SDF Louisville Intl-LHR London Heathrow

31h 00m2 stops Chicago O'Hare Intl Ottawa

06:50 - 17:07LHR London Heathrow-SDF Louisville Intl

15h 17m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£659United Airlines

Tue, 2 Mar - Fri, 5 Mar

11:11 - 11:35LEX Lexington Blue Grass-LHR London Heathrow

19h 24m1 stop Chicago O'Hare Intl

07:30 - 23:32LHR London Heathrow-LEX Lexington Blue Grass

20h 02m2 stops Madrid Barajas Chicago O'Hare Intl

£660British Airways

Tue, 23 Feb - Tue, 16 Mar

10:13 - 08:35SDF Louisville Intl-LHR London Heathrow

17h 22m1 stop Chicago O'Hare Intl

06:15 - 21:37LHR London Heathrow-SDF Louisville Intl

20h 22m2 stops Madrid Barajas Chicago O'Hare Intl

£660Iberia

Wed, 18 Nov - Wed, 25 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:54 - 10:25LEX Lexington Blue Grass-LHR London Heathrow

11h 31m1 stop Chicago O'Hare Intl

15:40 - 23:48LHR London Heathrow-LEX Lexington Blue Grass

13h 08m1 stop Chicago O'Hare Intl

£700British Airways

Wed, 28 Oct - Wed, 4 Nov

14:10 - 07:55SDF Louisville Intl-LHR London Heathrow

13h 45m1 stop Chicago O'Hare Intl

06:50 - 20:34LHR London Heathrow-SDF Louisville Intl

18h 44m2 stops Brussels Bruxelles-National Newark

£719United Airlines

Wed, 28 Oct - Fri, 13 Nov

18:00 - 12:00SDF Louisville Intl-LHR London Heathrow

14h 00m1 stop Charlotte Douglas

09:55 - 17:25LHR London Heathrow-SDF Louisville Intl

12h 30m1 stop Charlotte Douglas

£722American Airlines

Wed, 28 Oct - Fri, 13 Nov

09:00 - 05:55LEX Lexington Blue Grass-LHR London Heathrow

16h 55m1 stop Chicago O'Hare Intl

09:00 - 23:54LHR London Heathrow-LEX Lexington Blue Grass

19h 54m2 stops Zurich Chicago O'Hare Intl

£722United Airlines

Wed, 28 Oct - Wed, 4 Nov

14:10 - 07:55SDF Louisville Intl-LHR London Heathrow

13h 45m1 stop Chicago O'Hare Intl

06:50 - 20:34LHR London Heathrow-SDF Louisville Intl

18h 44m2 stops Brussels Bruxelles-National Newark

£722United Airlines

Wed, 28 Oct - Fri, 13 Nov

15:45 - 10:15SDF Louisville Intl-LHR London Heathrow

14h 30m1 stop Houston George Bush Intcntl

06:50 - 17:02LHR London Heathrow-SDF Louisville Intl

15h 12m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£723United Airlines

Wed, 28 Oct - Fri, 13 Nov

06:00 - 07:10SDF Louisville Intl-LHR London Heathrow

21h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl

09:00 - 23:30LHR London Heathrow-SDF Louisville Intl

43h 30m2 stops Halifax Intl Newark

£725Air Canada

Wed, 28 Oct - Fri, 13 Nov

11:05 - 10:50LEX Lexington Blue Grass-LHR London Heathrow

19h 45m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

17:50 - 23:54LHR London Heathrow-LEX Lexington Blue Grass

35h 04m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£726Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

06:00 - 07:10SDF Louisville Intl-LHR London Heathrow

21h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl

09:00 - 23:30LHR London Heathrow-SDF Louisville Intl

43h 30m2 stops Halifax Intl Newark

£734Air Canada

Wed, 28 Oct - Fri, 13 Nov

17:57 - 12:10LEX Lexington Blue Grass-LHR London Heathrow

13h 13m1 stop Charlotte Douglas

09:55 - 21:52LHR London Heathrow-LEX Lexington Blue Grass

15h 57m1 stop Charlotte Douglas

£759American Airlines

Fri, 23 Oct - Fri, 30 Oct

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Iberia flights from Kentucky to London

Our best Iberia deals on Kentucky to London flight tickets

Iberia

18 Nov

SDF10:13Louisville Intl

17h 22m

1 stop

LHR08:35London Heathrow

25 Nov

LHR06:15London Heathrow

20h 22m

2 stops

SDF21:37Louisville Intl

£660

Iberia

16 Mar

SDF13:10Louisville Intl

15h 25m

1 stop

LHR08:35London Heathrow

17 Apr

LHR07:35London Heathrow

18h 55m

2 stops

SDF21:30Louisville Intl

£692

Iberia

16 Mar

SDF13:10Louisville Intl

15h 25m

1 stop

LHR08:35London Heathrow

17 Apr

LHR07:35London Heathrow

18h 55m

2 stops

SDF21:30Louisville Intl

£692

British Airways flights from Kentucky to London

Our best British Airways deals on Kentucky to London flight tickets

British Airways

23 Feb

LEX11:11Lexington Blue Grass

19h 24m

1 stop

LHR11:35London Heathrow

16 Mar

LHR07:30London Heathrow

20h 02m

2 stops

LEX23:32Lexington Blue Grass

£660

British Airways

16 Nov

LEX18:55Lexington Blue Grass

11h 40m

1 stop

LHR11:35London Heathrow

23 Nov

LHR19:40London Heathrow

33h 02m

2 stops

LEX23:42Lexington Blue Grass

£666

British Airways

16 Mar

LEX15:47Lexington Blue Grass

15h 48m

1 stop

LHR11:35London Heathrow

19 Mar

LHR11:00London Heathrow

16h 32m

1 stop

LEX23:32Lexington Blue Grass

£670

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 2/3

15:50-07:40

1 stop34h 50m

London Heathrow

Fri 5/3

06:50-17:07

2 stops15h 17m

£570

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 2/3

15:50-07:40

1 stop34h 50m

London Heathrow

Fri 5/3

06:50-17:07

2 stops15h 17m

£574

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 1/2

10:12-08:35

1 stop17h 23m

London Heathrow

Fri 5/2

06:15-21:37

2 stops20h 22m

£651

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 2/3

09:00-21:00

2 stops31h 00m

London Heathrow

Fri 5/3

06:50-17:07

2 stops15h 17m

£654

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Mon 22/2

09:00-05:55

1 stop15h 55m

London Heathrow

Mon 1/3

12:05-23:47

2 stops40h 42m

£657

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 1/2

13:11-13:30

2 stops19h 19m

London Heathrow

Fri 5/2

07:30-21:37

2 stops19h 07m

£657

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 19/1

08:50-21:00

2 stops31h 10m

London Heathrow

Tue 2/2

09:00-20:29

2 stops16h 29m

£658

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 2/3

09:00-21:00

2 stops31h 00m

London Heathrow

Fri 5/3

06:50-17:07

2 stops15h 17m

£659

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Tue 23/2

11:11-11:35

1 stop19h 24m

London Heathrow

Tue 16/3

07:30-23:32

2 stops20h 02m

£660

Fastest return journey

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 18/11

10:13-08:35

1 stop17h 22m

London Heathrow

Wed 25/11

06:15-21:37

2 stops20h 22m

£660

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 Kentucky 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

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Kentucky is in January. Flight prices, which tend to average around £557, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Kentucky averaging around £580.

Can stopping save me money on Kentucky to London flights?

You could potentially save up to 24% on your flight if you consider stops on a Kentucky to London flight.

Cheap Kentucky to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to London

Best price found	£241
Fastest flight time	7h 40m
Direct flights	None

The best one-way flight to London from Kentucky in the past 72 hours is £241. The best return flight deal from Kentucky to London found on momondo in the last 72 hours is £570.

The fastest flight from Kentucky to London takes 7h 40m

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

Search flight deals

Frequently asked questions about flying from Kentucky to London

When did momondo last update prices for flights from Kentucky to London?
Prices for flights from Kentucky to London refresh daily.
How old do you have to be to fly from Kentucky to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Ipswich

Slough

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Colchester

Guildford

Hayes

Bedford

Worthing

Winchester

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kentucky to London. momondo saves you time and could save you money on your trip.

Can I find flights from Kentucky to London with flexible booking policies on momondo?

Yes. All flights to London from Kentucky on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kentucky to London?

momondo helps you find the best flight between Kentucky and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Kentucky to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Kentucky to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Cheap flights from Kentucky to London from £241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to London departing on 31/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Iberia flights from Kentucky to London

Our best Iberia deals on Kentucky to London flight tickets

British Airways flights from Kentucky to London

Our best British Airways deals on Kentucky to London flight tickets

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Use the filters below to find and compare flights from Kentucky to London that are best for you.

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How to get the cheapest flight ticket from Kentucky to London

What is the cheapest month to fly to London?

Can stopping save me money on Kentucky to London flights?

What is the cheapest airline that flies from Kentucky to London?

How long does it take to fly to London?

Cheap Kentucky to London flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Kentucky to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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