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 56m and 10h 26m, respectively.

How many flights depart from Kentucky to London Heathrow Airport on average per week?

As of August 2026, 48 flights take off from Kentucky and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 23% of weekly flights taking off on this day.

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

Aer Lingus, British Airways, and SWISS are the most popular carriers operating from Kentucky to London Heathrow

How many operators does momondo search for flights from Kentucky to London Heathrow Airport?

As of August 2026, there are 2 operators available to choose from for flights from Kentucky to London Heathrow Airport.

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.

£136 Cheap Flights from Kentucky to London Heathrow Airport in 2026

Find the cheapest flights from Kentucky to London

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

19:33 - 17:45LEX Lexington Blue Grass-LHR London Heathrow

17h 12m2 stops Chicago O'Hare Intl Frankfurt am Main

08:45 - 22:30LHR London Heathrow-LEX Lexington Blue Grass

18h 45m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£573Lufthansa

Wed, 2 Dec - Fri, 4 Dec

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

12h 45m1 stop Chicago O'Hare Intl

06:50 - 20:52LHR London Heathrow-SDF Louisville Intl

19h 02m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£574United Airlines

Mon, 16 Nov - Wed, 18 Nov

11:15 - 07:10SDF Louisville Intl-LHR London Heathrow

14h 55m2 stops Newark Montreal Pierre Elliott Trudeau Intl

06:50 - 18:32LHR London Heathrow-SDF Louisville Intl

16h 42m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£576United Airlines

Mon, 16 Nov - Wed, 18 Nov

19:32 - 10:45SDF Louisville Intl-LHR London Heathrow

34h 13m2 stops Chicago O'Hare Intl Frankfurt am Main

08:45 - 22:09LHR London Heathrow-SDF Louisville Intl

18h 24m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£609Lufthansa

Tue, 2 Feb - Fri, 5 Feb

16:04 - 07:50LEX Lexington Blue Grass-LHR London Heathrow

10h 46m1 stop Philadelphia

16:30 - 23:48LHR London Heathrow-LEX Lexington Blue Grass

12h 18m1 stop Chicago O'Hare Intl

£647British Airways

Wed, 2 Dec - Fri, 4 Dec

18:58 - 10:50LEX Lexington Blue Grass-LHR London Heathrow

10h 52m1 stop Chicago O'Hare Intl

07:50 - 22:30LHR London Heathrow-LEX Lexington Blue Grass

19h 40m2 stops Barcelona-El Prat Philadelphia

£647British Airways

Wed, 7 Oct - Thu, 15 Oct

09:15 - 06:55BNA Nashville Intl-LHR London Heathrow

16h 40m1 stop Boston Logan Intl

09:20 - 18:28LHR London Heathrow-BNA Nashville Intl

15h 08m1 stop Boston Logan Intl

£647JetBlue

Tue, 27 Oct - Wed, 4 Nov

18:32 - 12:00SDF Louisville Intl-LHR London Heathrow

12h 28m1 stop Dallas/Fort Worth

14:45 - 23:56LHR London Heathrow-SDF Louisville Intl

14h 11m1 stop Dallas/Fort Worth

£650British Airways

Wed, 3 Feb - Wed, 17 Feb

06:00 - 06:30BNA Nashville Intl-LHR London Heathrow

18h 30m1 stop Boston Logan Intl

08:15 - 18:34LHR London Heathrow-BNA Nashville Intl

16h 19m1 stop New York John F Kennedy Intl

£652JetBlue

Mon, 14 Sep - Mon, 21 Sep

09:15 - 06:55BNA Nashville Intl-LHR London Heathrow

15h 40m1 stop Boston Logan Intl

09:20 - 18:28LHR London Heathrow-BNA Nashville Intl

15h 08m1 stop Boston Logan Intl

£652JetBlue

Tue, 3 Nov - Tue, 10 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:00 - 20:45BNA Nashville Intl-LHR London Heathrow

20h 45m1 stop New York John F Kennedy Intl

08:15 - 17:08LHR London Heathrow-BNA Nashville Intl

14h 53m1 stop New York John F Kennedy Intl

£675JetBlue

Wed, 12 Aug - Wed, 19 Aug

18:00 - 20:45BNA Nashville Intl-LHR London Heathrow

20h 45m1 stop New York John F Kennedy Intl

08:15 - 17:08LHR London Heathrow-BNA Nashville Intl

14h 53m1 stop New York John F Kennedy Intl

£697JetBlue

Wed, 12 Aug - Tue, 18 Aug

18:00 - 20:45BNA Nashville Intl-LHR London Heathrow

20h 45m1 stop New York John F Kennedy Intl

11:55 - 10:02LHR London Heathrow-BNA Nashville Intl

28h 07m1 stop New York John F Kennedy Intl

£701JetBlue

Wed, 12 Aug - Mon, 17 Aug

11:05 - 09:30BNA Nashville Intl-LHR London Heathrow

16h 25m1 stop New York John F Kennedy Intl

08:15 - 17:08LHR London Heathrow-BNA Nashville Intl

14h 53m1 stop New York John F Kennedy Intl

£723JetBlue

Wed, 12 Aug - Sun, 16 Aug

14:05 - 19:20CVG Cincinnati Cinci./N. Kentucky-LHR London Heathrow

24h 15m2 stops Chicago O'Hare Intl Zurich

20:05 - 16:55LHR London Heathrow-CVG Cincinnati Cinci./N. Kentucky

25h 50m2 stops Zurich Chicago O'Hare Intl

£751SWISS

Wed, 12 Aug - Thu, 20 Aug

15:45 - 13:30BNA Nashville Intl-LHR London Heathrow

15h 45m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

22:00 - 18:00LHR London Heathrow-BNA Nashville Intl

26h 00m3 stops Dublin Halifax Intl Toronto Pearson Intl

£770Multiple Airlines

Sun, 16 Aug - Sun, 23 Aug

15:45 - 12:40BNA Nashville Intl-LHR London Heathrow

14h 55m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

22:00 - 18:00LHR London Heathrow-BNA Nashville Intl

26h 00m3 stops Dublin Halifax Intl Toronto Pearson Intl

£778Multiple Airlines

Sun, 16 Aug - Sun, 23 Aug

16:34 - 08:00SDF Louisville Intl-LHR London Heathrow

10h 26m1 stop Boston Logan Intl

07:50 - 21:25LHR London Heathrow-SDF Louisville Intl

18h 35m2 stops Madrid Barajas Chicago O'Hare Intl

£793British Airways

Fri, 14 Aug - Thu, 27 Aug

13:21 - 07:55TYS Knoxville McGhee Tyson-LHR London Heathrow

13h 34m1 stop Chicago O'Hare Intl

12:30 - 20:07LHR London Heathrow-TYS Knoxville McGhee Tyson

12h 37m1 stop Philadelphia

£801British Airways

Wed, 12 Aug - Fri, 21 Aug

18:05 - 09:05TYS Knoxville McGhee Tyson-LHR London Heathrow

10h 00m1 stop Charlotte Douglas

09:45 - 18:22LHR London Heathrow-TYS Knoxville McGhee Tyson

13h 37m1 stop Chicago O'Hare Intl

£801British Airways

Wed, 12 Aug - Fri, 21 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

18:40 - 08:50BNA Nashville Intl-LHR London Heathrow

8h 10mdirect

13:10 - 16:40LHR London Heathrow-BNA Nashville Intl

9h 30mdirect

£669Finnair

Sun, 15 Nov - Tue, 24 Nov

18:40 - 08:50BNA Nashville Intl-LHR London Heathrow

8h 10mdirect

13:10 - 16:40LHR London Heathrow-BNA Nashville Intl

9h 30mdirect

£675British Airways

Mon, 9 Nov - Wed, 18 Nov

18:40 - 08:50BNA Nashville Intl-LHR London Heathrow

8h 10mdirect

13:10 - 16:40LHR London Heathrow-BNA Nashville Intl

9h 30mdirect

£675Finnair

Wed, 27 Jan - Wed, 3 Feb

18:40 - 08:50BNA Nashville Intl-LHR London Heathrow

8h 10mdirect

13:10 - 16:40LHR London Heathrow-BNA Nashville Intl

9h 30mdirect

£675British Airways

Wed, 6 Jan - Tue, 12 Jan

18:40 - 08:50BNA Nashville Intl-LHR London Heathrow

8h 10mdirect

13:10 - 16:40LHR London Heathrow-BNA Nashville Intl

9h 30mdirect

£675British Airways

Wed, 20 Jan - Wed, 27 Jan

20:50 - 09:30CVG Cincinnati Cinci./N. Kentucky-LHR London Heathrow

7h 40mdirect

15:05 - 18:55LHR London Heathrow-CVG Cincinnati Cinci./N. Kentucky

8h 50mdirect

£682British Airways

Sun, 22 Nov - Fri, 27 Nov

20:50 - 09:30CVG Cincinnati Cinci./N. Kentucky-LHR London Heathrow

7h 40mdirect

15:05 - 18:55LHR London Heathrow-CVG Cincinnati Cinci./N. Kentucky

8h 50mdirect

£683Iberia

Sun, 8 Nov - Wed, 11 Nov

22:40 - 11:30CVG Cincinnati Cinci./N. Kentucky-LHR London Heathrow

7h 50mdirect

11:35 - 15:30LHR London Heathrow-CVG Cincinnati Cinci./N. Kentucky

8h 55mdirect

£686Finnair

Tue, 22 Sep - Tue, 29 Sep

18:40 - 08:50BNA Nashville Intl-LHR London Heathrow

8h 10mdirect

13:10 - 16:40LHR London Heathrow-BNA Nashville Intl

9h 30mdirect

£686British Airways

Sun, 10 Jan - Wed, 27 Jan

18:40 - 08:50BNA Nashville Intl-LHR London Heathrow

8h 10mdirect

13:10 - 16:40LHR London Heathrow-BNA Nashville Intl

9h 30mdirect

£686British Airways

Mon, 30 Nov - Wed, 9 Dec

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United Airlines flights from Kentucky to London Heathrow Airport

Our best United Airlines deals on Kentucky to London Heathrow Airport flight tickets

United Airlines

16 Nov

SDF14:10Louisville Intl

12h 45m

1 stop

LHR07:55London Heathrow

18 Nov

LHR06:50London Heathrow

19h 02m

2 stops

SDF20:52Louisville Intl

£574

United Airlines

16 Nov

SDF11:15Louisville Intl

14h 55m

2 stops

LHR07:10London Heathrow

18 Nov

LHR06:50London Heathrow

16h 42m

2 stops

SDF18:32Louisville Intl

£576

United Airlines

27 Sept

TYS05:45Knoxville McGhee Tyson

20h 10m

1 stop

LHR06:55London Heathrow

6 Oct

LHR06:50London Heathrow

22h 09m

2 stops

TYS23:59Knoxville McGhee Tyson

£655

Iberia flights from Kentucky to London Heathrow Airport

Our best Iberia deals on Kentucky to London Heathrow Airport flight tickets

Iberia

19 Oct

SDF17:19Louisville Intl

13h 56m

1 stop

LHR12:15London Heathrow

28 Oct

LHR07:35London Heathrow

18h 00m

2 stops

SDF21:35Louisville Intl

£619

Iberia

22 Sept

SDF10:29Louisville Intl

19h 21m

1 stop

LHR10:50London Heathrow

30 Sept

LHR06:15London Heathrow

21h 18m

2 stops

SDF22:33Louisville Intl

£638

Iberia

22 Sept

SDF10:29Louisville Intl

19h 06m

2 stops

LHR10:35London Heathrow

30 Sept

LHR06:15London Heathrow

21h 18m

2 stops

SDF22:33Louisville Intl

£644

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

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Wed 2/12

19:33-17:45

2 stops17h 12m

London Heathrow

Fri 4/12

08:45-22:30

2 stops18h 45m

£572

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 16/11

14:10-07:55

1 stop12h 45m

London Heathrow

Wed 18/11

06:50-20:52

2 stops19h 02m

£574

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 16/11

11:15-07:10

2 stops14h 55m

London Heathrow

Wed 18/11

06:50-18:32

2 stops16h 42m

£576

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 2/2

19:32-10:45

2 stops34h 13m

London Heathrow

Fri 5/2

08:45-22:09

2 stops18h 24m

£609

Fastest return journey

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Wed 2/12

16:04-07:50

1 stop10h 46m

London Heathrow

Fri 4/12

16:30-23:48

1 stop12h 18m

£647

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Wed 7/10

18:58-10:50

1 stop10h 52m

London Heathrow

Thu 15/10

07:50-22:30

2 stops19h 40m

£647

NashvilleLondon

BNA Nashville Intl - LHR London Heathrow

BNALHR

Nashville Intl

Tue 27/10

09:15-06:55

1 stop16h 40m

London Heathrow

Wed 4/11

09:20-18:28

1 stop15h 08m

£647

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 3/2

18:32-12:00

1 stop12h 28m

London Heathrow

Wed 17/2

14:45-23:56

1 stop14h 11m

£650

NashvilleLondon

BNA Nashville Intl - LHR London Heathrow

BNALHR

Nashville Intl

Mon 14/9

06:00-06:30

1 stop18h 30m

London Heathrow

Mon 21/9

08:15-18:34

1 stop16h 19m

£652

NashvilleLondon

BNA Nashville Intl - LHR London Heathrow

BNALHR

Nashville Intl

Tue 3/11

09:15-06:55

1 stop15h 40m

London Heathrow

Tue 10/11

09:20-18:28

1 stop15h 08m

£652

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 £467. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Kentucky averaging around £521.

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

Fastest flight time	7h 40m
Direct flights	Mon, Tue, Wed, Thu, Sat and Sun

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

Direct flights go from Kentucky to London Heathrow Airport on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..

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 many operators does momondo search for flights from Kentucky to London Heathrow Airport?
As of August 2026, there are 2 operators available to choose from for flights from Kentucky to London Heathrow Airport.
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

Luton

Southend-on-Sea

Slough

Northampton

Ipswich

Maidstone

Swindon

Folkestone

Ilford

Hastings

Poole

Canterbury

Chichester

Hayes

Guildford

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.