What airlines fly to London Heathrow Airport?

British Airways, American Airlines and Delta are the top three most popular airlines that fly to London Heathrow Airport from Kentucky according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 5 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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?

On average, it takes 9h 51m to fly from Kentucky to London Heathrow Airport if you fly out of Lexington (the most popular airport in Kentucky) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Louisville and into London Heathrow Airport, then the flight time is around 10h.

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

Prices for flights from Kentucky to London Heathrow Airport are updated daily.

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

There are 5 operators available for flights from Kentucky to London Heathrow Airport as of October 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to London Heathrow Airport.

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

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$322 Cheap Flights from Kentucky to London Heathrow Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:50 pm - 7:40 amSDF Louisville Intl-LHR London Heathrow

34h 50m1 stop Houston George Bush Intcntl

6:50 am - 4:54 pmLHR London Heathrow-SDF Louisville Intl

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

$763United Airlines

Tue, Mar 2 - Fri, Mar 5

5:57 pm - 9:00 pmSDF Louisville Intl-LHR London Heathrow

46h 03m2 stops Chicago O'Hare Intl Ottawa

11:10 am - 11:19 pmLHR London Heathrow-SDF Louisville Intl

17h 09m2 stops Munich Franz Josef Strauss Newark

$786Multiple Airlines

Fri, Jan 8 - Mon, Jan 11

10:13 am - 8:35 amSDF Louisville Intl-LHR London Heathrow

17h 22m1 stop Chicago O'Hare Intl

7:30 am - 9:36 pmLHR London Heathrow-SDF Louisville Intl

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

$858Iberia

Mon, Nov 2 - Tue, Nov 17

9:00 am - 9:00 pmSDF Louisville Intl-LHR London Heathrow

31h 00m2 stops Chicago O'Hare Intl Ottawa

6:50 am - 11:55 pmLHR London Heathrow-SDF Louisville Intl

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

$876United Airlines

Tue, Mar 2 - Fri, Mar 5

6:54 pm - 11:35 amLEX Lexington Blue Grass-LHR London Heathrow

11h 41m1 stop Chicago O'Hare Intl

6:05 am - 11:42 pmLHR London Heathrow-LEX Lexington Blue Grass

22h 37m2 stops Madrid Barajas Chicago O'Hare Intl

$880British Airways

Tue, Nov 17 - Tue, Nov 24

6:31 pm - 10:25 amSDF Louisville Intl-LHR London Heathrow

10h 54m1 stop Chicago O'Hare Intl

12:15 pm - 9:27 pmLHR London Heathrow-SDF Louisville Intl

14h 12m1 stop Washington, D.C. Dulles Intl

$881American Airlines

Mon, Nov 2 - Tue, Nov 17

6:59 pm - 11:35 amLEX Lexington Blue Grass-LHR London Heathrow

11h 36m1 stop Chicago O'Hare Intl

7:35 am - 11:49 pmLHR London Heathrow-LEX Lexington Blue Grass

21h 14m2 stops Madrid Barajas Chicago O'Hare Intl

$882British Airways

Wed, Mar 3 - Wed, Mar 10

1:59 pm - 7:45 amSDF Louisville Intl-LHR London Heathrow

13h 46m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

11:45 am - 9:13 pmLHR London Heathrow-SDF Louisville Intl

14h 28m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$887Delta

Wed, Oct 28 - Fri, Nov 13

10:15 am - 8:05 amSDF Louisville Intl-LHR London Heathrow

16h 50m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

9:55 am - 9:41 pmLHR London Heathrow-SDF Louisville Intl

16h 46m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$889Delta

Wed, Mar 10 - Wed, Apr 14

6:31 pm - 10:25 amSDF Louisville Intl-LHR London Heathrow

10h 54m1 stop Chicago O'Hare Intl

10:35 am - 10:03 pmLHR London Heathrow-SDF Louisville Intl

16h 28m1 stop Philadelphia

$892American Airlines

Mon, Nov 2 - Tue, Nov 17

Cheap last minute flights

Enter your travel dates to find the best prices.

6:58 pm - 11:15 amLEX Lexington Blue Grass-LHR London Heathrow

11h 17m1 stop Chicago O'Hare Intl

7:30 am - 11:42 pmLHR London Heathrow-LEX Lexington Blue Grass

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

$1,012British Airways

Tue, Oct 6 - Fri, Nov 20

7:14 pm - 12:10 pmLEX Lexington Blue Grass-LHR London Heathrow

11h 56m1 stop Charlotte Douglas

9:55 am - 5:25 pmLHR London Heathrow-LEX Lexington Blue Grass

12h 30m1 stop Charlotte Douglas

$1,047American Airlines

Tue, Oct 6 - Fri, Nov 20

4:59 pm - 1:35 pmLEX Lexington Blue Grass-LHR London Heathrow

15h 36m2 stops Philadelphia Madrid Barajas

6:15 am - 11:42 pmLHR London Heathrow-LEX Lexington Blue Grass

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

$1,068British Airways

Tue, Oct 6 - Fri, Nov 20

4:59 pm - 7:50 amLEX Lexington Blue Grass-LHR London Heathrow

9h 51m1 stop Philadelphia

9:45 am - 6:24 pmLHR London Heathrow-LEX Lexington Blue Grass

13h 39m1 stop Chicago O'Hare Intl

$1,169American Airlines

Mon, Oct 5 - Wed, Oct 7

5:57 pm - 9:25 amLEX Lexington Blue Grass-LHR London Heathrow

10h 28m1 stop Charlotte Douglas

12:30 pm - 7:31 pmLHR London Heathrow-LEX Lexington Blue Grass

12h 01m1 stop Charlotte Douglas

$1,169American Airlines

Wed, Oct 7 - Fri, Oct 9

2:41 pm - 6:55 pmSDF Louisville Intl-LHR London Heathrow

23h 14m2 stops Chicago O'Hare Intl Madrid Barajas

9:45 am - 9:35 pmLHR London Heathrow-SDF Louisville Intl

16h 50m1 stop Chicago O'Hare Intl

$1,227Iberia

Sun, Oct 4 - Sat, Oct 10

8:50 am - 8:35 amLEX Lexington Blue Grass-LHR London Heathrow

18h 45m2 stops Chicago O'Hare Intl Ottawa

6:50 am - 8:28 pmLHR London Heathrow-LEX Lexington Blue Grass

18h 38m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$1,248United Airlines

Wed, Oct 7 - Fri, Oct 9

6:00 am - 8:30 amLEX Lexington Blue Grass-LHR London Heathrow

21h 30m1 stop Chicago O'Hare Intl

6:50 am - 11:55 pmLHR London Heathrow-LEX Lexington Blue Grass

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

$1,248United Airlines

Mon, Oct 5 - Wed, Oct 7

5:57 pm - 9:25 amLEX Lexington Blue Grass-LHR London Heathrow

10h 28m1 stop Charlotte Douglas

1:25 pm - 12:09 amLHR London Heathrow-LEX Lexington Blue Grass

15h 44m2 stops Dublin Chicago O'Hare Intl

$1,342British Airways

Wed, Oct 7 - Fri, Oct 9

10:29 am - 9:05 amSDF Louisville Intl-LHR London Heathrow

17h 36m2 stops Chicago O'Hare Intl Dublin

9:10 pm - 9:35 pmLHR London Heathrow-SDF Louisville Intl

29h 25m2 stops Dublin Chicago O'Hare Intl

$1,415Aer Lingus

Sun, Oct 4 - Sat, Oct 10

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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

Nov 17

LEX6:54 pmLexington Blue Grass

11h 41m

1 stop

LHR11:35 amLondon Heathrow

Nov 24

LHR6:05 amLondon Heathrow

22h 37m

2 stops

LEX11:42 pmLexington Blue Grass

$880

British Airways

Mar 3

LEX6:59 pmLexington Blue Grass

11h 36m

1 stop

LHR11:35 amLondon Heathrow

Mar 10

LHR7:35 amLondon Heathrow

21h 14m

2 stops

LEX11:49 pmLexington Blue Grass

$882

British Airways

Nov 17

LEX4:04 pmLexington Blue Grass

17h 51m

2 stops

LHR2:55 pmLondon Heathrow

Nov 24

LHR6:05 amLondon Heathrow

22h 37m

2 stops

LEX11:42 pmLexington Blue Grass

$900

Air Canada flights from Kentucky to London Heathrow Airport

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

Air Canada

Feb 21

SDF6:30 amLouisville Intl

33h 30m

2 stops

LHR9:00 pmLondon Heathrow

Mar 5

LHR9:00 amLondon Heathrow

37h 30m

2 stops

SDF5:30 pmLouisville Intl

$889

Air Canada

Oct 18

SDF9:04 amLouisville Intl

16h 26m

2 stops

LHR6:30 amLondon Heathrow

Oct 28

LHR3:00 pmLondon Heathrow

26h 35m

2 stops

SDF1:35 pmLouisville Intl

$978

Air Canada

Oct 14

SDF6:15 amLouisville Intl

19h 15m

2 stops

LHR6:30 amLondon Heathrow

Oct 26

LHR9:00 amLondon Heathrow

36h 37m

2 stops

SDF5:37 pmLouisville Intl

$1,186

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 round-trip

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 3/2

3:50 pm-7:40 am

1 stop34h 50m

London Heathrow

Fri 3/5

6:50 am-4:54 pm

2 stops15h 04m

$763

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Fri 1/8

5:57 pm-9:00 pm

2 stops46h 03m

London Heathrow

Mon 1/11

11:10 am-11:19 pm

2 stops17h 09m

$786

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 11/2

10:13 am-8:35 am

1 stop17h 22m

London Heathrow

Tue 11/17

7:30 am-9:36 pm

2 stops19h 06m

$858

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 3/2

9:00 am-9:00 pm

2 stops31h 00m

London Heathrow

Fri 3/5

6:50 am-11:55 pm

2 stops22h 05m

$876

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Tue 11/17

6:54 pm-11:35 am

1 stop11h 41m

London Heathrow

Tue 11/24

6:05 am-11:42 pm

2 stops22h 37m

$880

Quickest round-trip

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 11/2

6:31 pm-10:25 am

1 stop10h 54m

London Heathrow

Tue 11/17

12:15 pm-9:27 pm

1 stop14h 12m

$881

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Wed 3/3

6:59 pm-11:35 am

1 stop11h 36m

London Heathrow

Wed 3/10

7:35 am-11:49 pm

2 stops21h 14m

$882

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 10/28

1:59 pm-7:45 am

2 stops13h 46m

London Heathrow

Fri 11/13

11:45 am-9:13 pm

2 stops14h 28m

$887

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 3/10

10:15 am-8:05 am

2 stops16h 50m

London Heathrow

Wed 4/14

9:55 am-9:41 pm

2 stops16h 46m

$889

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 11/2

6:31 pm-10:25 am

1 stop10h 54m

London Heathrow

Tue 11/17

10:35 am-10:03 pm

1 stop16h 28m

$892

Flights are sorted by cheapest round-trip 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?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Kentucky, with most prices found around $643. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Kentucky to London Heathrow Airport during January average around $767.

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

You could potentially save up to 18% 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	$322
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 $322. The best round-trip flight deal from Kentucky to London Heathrow Airport found on momondo in the last 72 hours is $763.

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 are updated daily.
How many operators does momondo search for flights from Kentucky to London Heathrow Airport?
There are 5 operators available for flights from Kentucky to London Heathrow Airport as of October 2026.
How old do you have to be to fly from Kentucky to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to London Heathrow Airport

Compare and see reviews for airlines that fly from Kentucky to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $450	Free Cancellation	Rating 7.8 8,626 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $517	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $606	Free Cancellation	Rating 6.7 8,246 reviews	Search British Airways flights
American Airlines	PriceFrom $631	Free Cancellation	Rating 7.0 12,130 reviews	Search American Airlines flights
United Airlines	PriceFrom $705	Free Cancellation	Rating 7.4 10,283 reviews	Search United Airlines flights

Hounslow

Gatwick

Croydon

Hayes

Luton

Stratford-upon-Avon

Dover

Wembley

Milton Keynes

Kingston upon Thames

Richmond

Stansted

Watford

Harrow

Cobham

Worthing

Eastbourne

Slough

Hook

Ilford

Why use momondo?

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

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

momondo does allow users to show only those flights to London from Kentucky which offer a flexible booking policy as well as other useful filters and features.

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?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Kentucky and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $405

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Flights to London City Airportfrom $586

Flights to London Luton Airportfrom $446

Flights to Glasgow Intl Airportfrom $563

Flights to London Southend Airportfrom $597

Flights to Belfast Intl Airportfrom $649

Flights to Belfast City Airportfrom $622

Cheap flights from Kentucky to London from $322

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 2/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Kentucky to London

Cheap round-trip flights

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Big names and deals

Big names and deals

Filter for what you want

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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

Air Canada flights from Kentucky to London Heathrow Airport

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

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from Kentucky to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

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

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

What airlines fly to London Heathrow Airport?

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

Cheap Kentucky to London Heathrow Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Kentucky to London Heathrow Airport

Best airlines flying from Kentucky to London Heathrow Airport

Compare and see reviews for airlines that fly from Kentucky to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize 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 London

Popular cities in the United Kingdom

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

Kentucky flight routes

According to popular flight searches on momondo this year

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to London

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

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