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

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

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Kentucky, such as Lexington or Louisville, and flying into London Heathrow Airport, then you can expect flight times to average 9h 51m and 10h 10m, respectively.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to London Heathrow Airport.

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

The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£243 Cheap Flights from Kentucky to London Heathrow Airport 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 - 16:54LHR London Heathrow-SDF Louisville Intl

15h 04m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£576United Airlines

Tue, 2 Mar - Fri, 5 Mar

17:57 - 21:00SDF Louisville Intl-LHR London Heathrow

46h 03m2 stops Chicago O'Hare Intl Ottawa

11:10 - 23:19LHR London Heathrow-SDF Louisville Intl

17h 09m2 stops Munich Franz Josef Strauss Newark

£593Multiple Airlines

Fri, 8 Jan - Mon, 11 Jan

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

17h 22m1 stop Chicago O'Hare Intl

07:30 - 21:36LHR London Heathrow-SDF Louisville Intl

19h 06m2 stops Madrid Barajas Chicago O'Hare Intl

£648Iberia

Mon, 2 Nov - Tue, 17 Nov

13:14 - 10:25SDF Louisville Intl-LHR London Heathrow

16h 11m1 stop Chicago O'Hare Intl

06:15 - 21:36LHR London Heathrow-SDF Louisville Intl

20h 21m2 stops Madrid Barajas Chicago O'Hare Intl

£649Iberia

Wed, 11 Nov - Wed, 18 Nov

13:14 - 10:25SDF Louisville Intl-LHR London Heathrow

16h 11m1 stop Chicago O'Hare Intl

07:30 - 21:36LHR London Heathrow-SDF Louisville Intl

19h 06m2 stops Madrid Barajas Chicago O'Hare Intl

£649Iberia

Mon, 2 Nov - Tue, 17 Nov

13:14 - 13:30SDF Louisville Intl-LHR London Heathrow

19h 16m2 stops Chicago O'Hare Intl Madrid Barajas

07:30 - 21:36LHR London Heathrow-SDF Louisville Intl

19h 06m2 stops Madrid Barajas Chicago O'Hare Intl

£654Iberia

Mon, 2 Nov - Tue, 17 Nov

13:11 - 10:25SDF Louisville Intl-LHR London Heathrow

16h 14m1 stop Chicago O'Hare Intl

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

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

£655Iberia

Mon, 11 Jan - Wed, 20 Jan

13:14 - 14:20SDF Louisville Intl-LHR London Heathrow

20h 06m2 stops Chicago O'Hare Intl Madrid Barajas

07:30 - 21:36LHR London Heathrow-SDF Louisville Intl

19h 06m2 stops Madrid Barajas Chicago O'Hare Intl

£655Iberia

Mon, 2 Nov - Tue, 17 Nov

10:26 - 10:25SDF Louisville Intl-LHR London Heathrow

18h 59m1 stop Chicago O'Hare Intl

07:35 - 21:35LHR London Heathrow-SDF Louisville Intl

18h 00m2 stops Madrid Barajas Chicago O'Hare Intl

£658Iberia

Wed, 10 Mar - Wed, 17 Mar

14:20 - 10:45SDF Louisville Intl-LHR London Heathrow

15h 25m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

08:45 - 23:55LHR London Heathrow-SDF Louisville Intl

19h 10m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£660Lufthansa

Wed, 10 Mar - Wed, 17 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:58 - 11:15LEX Lexington Blue Grass-LHR London Heathrow

11h 17m1 stop Chicago O'Hare Intl

07:30 - 23:42LHR London Heathrow-LEX Lexington Blue Grass

21h 12m2 stops Madrid Barajas Chicago O'Hare Intl

£764British Airways

Tue, 6 Oct - Fri, 20 Nov

19:14 - 12:10LEX Lexington Blue Grass-LHR London Heathrow

11h 56m1 stop Charlotte Douglas

09:55 - 17:25LHR London Heathrow-LEX Lexington Blue Grass

12h 30m1 stop Charlotte Douglas

£790American Airlines

Tue, 6 Oct - Fri, 20 Nov

16:59 - 13:35LEX Lexington Blue Grass-LHR London Heathrow

15h 36m2 stops Philadelphia Madrid Barajas

06:15 - 23:42LHR London Heathrow-LEX Lexington Blue Grass

22h 27m2 stops Madrid Barajas Chicago O'Hare Intl

£806British Airways

Tue, 6 Oct - Fri, 20 Nov

16:59 - 07:50LEX Lexington Blue Grass-LHR London Heathrow

9h 51m1 stop Philadelphia

09:45 - 18:24LHR London Heathrow-LEX Lexington Blue Grass

13h 39m1 stop Chicago O'Hare Intl

£883American Airlines

Mon, 5 Oct - Wed, 7 Oct

06:00 - 08:30LEX Lexington Blue Grass-LHR London Heathrow

21h 30m1 stop Chicago O'Hare Intl

06:50 - 23:55LHR London Heathrow-LEX Lexington Blue Grass

22h 05m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£942United Airlines

Mon, 5 Oct - Wed, 7 Oct

06:00 - 10:00LEX Lexington Blue Grass-LHR London Heathrow

23h 00m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

06:50 - 23:55LHR London Heathrow-LEX Lexington Blue Grass

22h 05m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£945United Airlines

Mon, 5 Oct - Wed, 7 Oct

17:57 - 09:25LEX Lexington Blue Grass-LHR London Heathrow

10h 28m1 stop Charlotte Douglas

13:25 - 00:09LHR London Heathrow-LEX Lexington Blue Grass

15h 44m2 stops Dublin Chicago O'Hare Intl

£1,013British Airways

Wed, 7 Oct - Fri, 9 Oct

13:56 - 12:40LEX Lexington Blue Grass-LHR London Heathrow

17h 44m3 stops Chicago O'Hare Intl Toronto Pearson Intl Dublin

18:00 - 13:13LHR London Heathrow-LEX Lexington Blue Grass

24h 13m2 stops Toronto Pearson Intl Chicago O'Hare Intl

£2,055Multiple Airlines

Tue, 6 Oct - Fri, 20 Nov

13:56 - 12:40LEX Lexington Blue Grass-LHR London Heathrow

17h 44m3 stops Chicago O'Hare Intl Toronto Pearson Intl Dublin

18:00 - 19:10LHR London Heathrow-LEX Lexington Blue Grass

30h 10m3 stops Toronto Pearson Intl Newark Chicago O'Hare Intl

£3,708Air Canada

Tue, 6 Oct - Fri, 20 Nov

16:59 - 07:50LEX Lexington Blue Grass-LHR London Heathrow

9h 51m1 stop Philadelphia

06:30 - 00:09LHR London Heathrow-LEX Lexington Blue Grass

22h 39m2 stops Barcelona-El Prat Chicago O'Hare Intl

£4,473British Airways

Mon, 5 Oct - Wed, 7 Oct

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British Airways flights from Kentucky to London Heathrow Airport

Our best British Airways deals on Kentucky to London Heathrow Airport flight tickets

British Airways

17 Nov

LEX18:54Lexington Blue Grass

11h 41m

1 stop

LHR11:35London Heathrow

24 Nov

LHR06:05London Heathrow

22h 37m

2 stops

LEX23:42Lexington Blue Grass

£664

British Airways

3 Mar

LEX18:59Lexington Blue Grass

11h 36m

1 stop

LHR11:35London Heathrow

10 Mar

LHR07:35London Heathrow

21h 14m

2 stops

LEX23:49Lexington Blue Grass

£666

British Airways

17 Nov

LEX16:04Lexington Blue Grass

17h 51m

2 stops

LHR14:55London Heathrow

24 Nov

LHR06:05London Heathrow

22h 37m

2 stops

LEX23:42Lexington Blue Grass

£680

Air Canada flights from Kentucky to London Heathrow Airport

Our best Air Canada deals on Kentucky to London Heathrow Airport flight tickets

Air Canada

21 Feb

SDF06:30Louisville Intl

33h 30m

2 stops

LHR21:00London Heathrow

5 Mar

LHR09:00London Heathrow

37h 30m

2 stops

SDF17:30Louisville Intl

£671

Air Canada

18 Oct

SDF09:04Louisville Intl

16h 26m

2 stops

LHR06:30London Heathrow

28 Oct

LHR15:00London Heathrow

26h 35m

2 stops

SDF13:35Louisville Intl

£738

Air Canada

14 Oct

SDF06:15Louisville Intl

19h 15m

2 stops

LHR06:30London Heathrow

26 Oct

LHR09:00London Heathrow

36h 37m

2 stops

SDF17:37Louisville Intl

£895

momondo Fare Finder

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

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

06:50-16:54

2 stops15h 04m

£576

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Fri 8/1

17:57-21:00

2 stops46h 03m

London Heathrow

Mon 11/1

11:10-23:19

2 stops17h 09m

£593

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 2/11

10:13-08:35

1 stop17h 22m

London Heathrow

Tue 17/11

07:30-21:36

2 stops19h 06m

£648

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 11/11

13:14-10:25

1 stop16h 11m

London Heathrow

Wed 18/11

06:15-21:36

2 stops20h 21m

£649

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 2/11

13:14-10:25

1 stop16h 11m

London Heathrow

Tue 17/11

07:30-21:36

2 stops19h 06m

£649

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 2/11

13:14-13:30

2 stops19h 16m

London Heathrow

Tue 17/11

07:30-21:36

2 stops19h 06m

£654

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 11/1

13:11-10:25

1 stop16h 14m

London Heathrow

Wed 20/1

06:15-21:37

2 stops20h 22m

£655

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 2/11

13:14-14:20

2 stops20h 06m

London Heathrow

Tue 17/11

07:30-21:36

2 stops19h 06m

£655

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 10/3

10:26-10:25

1 stop18h 59m

London Heathrow

Wed 17/3

07:35-21:35

2 stops18h 00m

£658

Fastest return journey

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 10/3

14:20-10:45

2 stops15h 25m

London Heathrow

Wed 17/3

08:45-23:55

2 stops19h 10m

£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 Heathrow Airport

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 Heathrow Airport?

In general, February is the cheapest month to fly from Kentucky to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £485. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Kentucky averaging around £579.

Can stopping save me money on Kentucky to London Heathrow Airport flights?

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

Cheap Kentucky to London Heathrow Airport flight deals and tips

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

Best price found	£243
Fastest flight time	7h 40m
Direct flights	None

The best one-way flight to London Heathrow Airport from Kentucky in the past 72 hours is £243. The best return flight deal from Kentucky to London Heathrow Airport found on momondo in the last 72 hours is £576.

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

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

Search flight deals

Frequently asked questions about flying from Kentucky to London Heathrow Airport

When did momondo last update prices for flights from Kentucky to London Heathrow Airport?
Prices for flights from Kentucky to London Heathrow Airport refresh daily.
How old do you have to be to fly from Kentucky to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Eastbourne

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Southend-on-Sea

Luton

Northampton

Slough

Ipswich

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Poole

Chichester

Salisbury

Hayes

Why use momondo?

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

Finding the right flight to London from Kentucky is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to London from Kentucky with this policy.

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

Once all potential Kentucky 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 Kentucky to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Kentucky to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.