What airlines fly to London?

British Airways, American Airlines and Delta are the top three most popular airlines that fly to London 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. Keep in mind that there are 5 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 Kentucky to London?

United Airlines, Air Canada, and Lufthansa are the most popular carriers operating from Kentucky to London

How long does it take to fly to London?

If you’re flying from a popular airport in Kentucky, such as Louisville or Lexington, and flying into London, then you can expect flight times to average 10h 40m and 11h 22m, respectively.

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

Prices for flights from Kentucky to London are updated daily.

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

As of October 2026, there are 5 operators available to choose from for flights from Kentucky to London.

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 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.

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

The travel and health documents required for your trip to London 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. 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 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 - 5:07 pmLHR London Heathrow-SDF Louisville Intl

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

$763United Airlines

Tue, Mar 2 - Fri, Mar 5

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

34h 50m1 stop Houston George Bush Intcntl

6:50 am - 5:07 pmLHR London Heathrow-SDF Louisville Intl

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

$768United Airlines

Tue, Mar 2 - Fri, Mar 5

10:12 am - 8:35 amSDF Louisville Intl-LHR London Heathrow

17h 23m1 stop Chicago O'Hare Intl

6:15 am - 9:37 pmLHR London Heathrow-SDF Louisville Intl

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

$872Iberia

Mon, Feb 1 - Fri, Feb 5

1:11 pm - 1:30 pmSDF Louisville Intl-LHR London Heathrow

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

7:30 am - 9:37 pmLHR London Heathrow-SDF Louisville Intl

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

$880Iberia

Mon, Feb 1 - Fri, Feb 5

11:11 am - 11:35 amLEX Lexington Blue Grass-LHR London Heathrow

19h 24m1 stop Chicago O'Hare Intl

7:30 am - 11:32 pmLHR London Heathrow-LEX Lexington Blue Grass

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

$884British Airways

Tue, Feb 23 - Tue, Mar 16

11:11 am - 6:55 amLEX Lexington Blue Grass-LHR London Heathrow

14h 44m1 stop Chicago O'Hare Intl

6:05 am - 11:32 pmLHR London Heathrow-LEX Lexington Blue Grass

21h 27m2 stops Madrid Barajas Chicago O'Hare Intl

$885British Airways

Tue, Feb 23 - Tue, Mar 16

3:45 pm - 11:40 amLEX Lexington Blue Grass-LHR London Heathrow

15h 55m1 stop Atlanta Hartsfield-Jackson

10:00 am - 9:35 pmLHR London Heathrow-LEX Lexington Blue Grass

15h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$901Virgin Atlantic

Tue, Mar 16 - Fri, Mar 19

5:59 pm - 7:20 amLEX Lexington Blue Grass-LHR London Heathrow

32h 21m2 stops Atlanta Hartsfield-Jackson Washington, D.C. Dulles Intl

8:25 pm - 5:12 pmLHR London Heathrow-LEX Lexington Blue Grass

25h 47m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$909Virgin Atlantic

Mon, Nov 23 - Tue, Dec 8

6:12 pm - 12:15 pmLEX Lexington Blue Grass-LHR London Heathrow

13h 03m1 stop Dallas/Fort Worth

9:55 am - 6:34 pmLHR London Heathrow-LEX Lexington Blue Grass

12h 39m1 stop Charlotte Douglas

$911American Airlines

Tue, Feb 23 - Tue, Mar 16

5:46 pm - 11:40 amSDF Louisville Intl-LHR London Heathrow

12h 54m1 stop Charlotte Douglas

9:55 am - 11:27 pmLHR London Heathrow-SDF Louisville Intl

18h 32m1 stop Charlotte Douglas

$912American Airlines

Tue, Jan 19 - Tue, Feb 2

Cheap last minute flights

Enter your travel dates to find the best prices.

6:54 pm - 10:25 amLEX Lexington Blue Grass-LHR London Heathrow

11h 31m1 stop Chicago O'Hare Intl

3:40 pm - 11:48 pmLHR London Heathrow-LEX Lexington Blue Grass

13h 08m1 stop Chicago O'Hare Intl

$937British Airways

Wed, Oct 28 - Wed, Nov 4

2:10 pm - 7:55 amSDF Louisville Intl-LHR London Heathrow

13h 45m1 stop Chicago O'Hare Intl

6:50 am - 8:34 pmLHR London Heathrow-SDF Louisville Intl

18h 44m2 stops Brussels Bruxelles-National Newark

$962United Airlines

Wed, Oct 28 - Fri, Nov 13

6:00 pm - 12:00 pmSDF Louisville Intl-LHR London Heathrow

14h 00m1 stop Charlotte Douglas

9:55 am - 5:25 pmLHR London Heathrow-SDF Louisville Intl

12h 30m1 stop Charlotte Douglas

$966American Airlines

Wed, Oct 28 - Fri, Nov 13

9:00 am - 5:55 amLEX Lexington Blue Grass-LHR London Heathrow

16h 55m1 stop Chicago O'Hare Intl

9:00 am - 11:54 pmLHR London Heathrow-LEX Lexington Blue Grass

19h 54m2 stops Zurich Chicago O'Hare Intl

$966United Airlines

Wed, Oct 28 - Wed, Nov 4

6:00 pm - 12:00 pmSDF Louisville Intl-LHR London Heathrow

14h 00m1 stop Charlotte Douglas

11:45 am - 12:19 amLHR London Heathrow-SDF Louisville Intl

17h 34m1 stop Charlotte Douglas

$967American Airlines

Wed, Oct 28 - Fri, Nov 13

2:10 pm - 7:55 amSDF Louisville Intl-LHR London Heathrow

13h 45m1 stop Chicago O'Hare Intl

6:50 am - 8:34 pmLHR London Heathrow-SDF Louisville Intl

18h 44m2 stops Brussels Bruxelles-National Newark

$967United Airlines

Wed, Oct 28 - Fri, Nov 13

6:00 am - 7:10 amSDF Louisville Intl-LHR London Heathrow

21h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl

9:00 am - 11:30 pmLHR London Heathrow-SDF Louisville Intl

43h 30m2 stops Halifax Intl Newark

$971Air Canada

Wed, Oct 28 - Fri, Nov 13

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

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

5:50 pm - 11:54 pmLHR London Heathrow-LEX Lexington Blue Grass

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

$972Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

3:34 pm - 6:25 amLEX Lexington Blue Grass-LHR London Heathrow

10h 51m1 stop Atlanta Hartsfield-Jackson

9:40 am - 10:53 pmLHR London Heathrow-LEX Lexington Blue Grass

18h 13m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson

$1,017Virgin Atlantic

Wed, Oct 28 - Wed, Nov 4

3:34 pm - 9:55 amLEX Lexington Blue Grass-LHR London Heathrow

14h 21m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

9:40 am - 10:53 pmLHR London Heathrow-LEX Lexington Blue Grass

18h 13m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson

$1,017Virgin Atlantic

Wed, Oct 28 - Wed, Nov 4

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United Airlines flights from Kentucky to London

Our best United Airlines deals on Kentucky to London flight tickets

United Airlines

Mar 2

SDF3:50 pmLouisville Intl

34h 50m

1 stop

LHR7:40 amLondon Heathrow

Mar 5

LHR6:50 amLondon Heathrow

15h 17m

2 stops

SDF5:07 pmLouisville Intl

$763

United Airlines

Mar 2

SDF3:50 pmLouisville Intl

34h 50m

1 stop

LHR7:40 amLondon Heathrow

Mar 5

LHR6:50 amLondon Heathrow

15h 17m

2 stops

SDF5:07 pmLouisville Intl

$768

United Airlines

Mar 2

SDF9:00 amLouisville Intl

31h 00m

2 stops

LHR9:00 pmLondon Heathrow

Mar 5

LHR6:50 amLondon Heathrow

15h 17m

2 stops

SDF5:07 pmLouisville Intl

$876

Iberia flights from Kentucky to London

Our best Iberia deals on Kentucky to London flight tickets

Iberia

Feb 1

SDF10:12 amLouisville Intl

17h 23m

1 stop

LHR8:35 amLondon Heathrow

Feb 5

LHR6:15 amLondon Heathrow

20h 22m

2 stops

SDF9:37 pmLouisville Intl

$872

Iberia

Feb 1

SDF1:11 pmLouisville Intl

19h 19m

2 stops

LHR1:30 pmLondon Heathrow

Feb 5

LHR7:30 amLondon Heathrow

19h 07m

2 stops

SDF9:37 pmLouisville Intl

$880

Iberia

Nov 18

SDF10:13 amLouisville Intl

17h 22m

1 stop

LHR8:35 amLondon Heathrow

Nov 25

LHR6:15 amLondon Heathrow

20h 22m

2 stops

SDF9:37 pmLouisville Intl

$884

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-5:07 pm

2 stops15h 17m

$763

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-5:07 pm

2 stops15h 17m

$768

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 2/1

10:12 am-8:35 am

1 stop17h 23m

London Heathrow

Fri 2/5

6:15 am-9:37 pm

2 stops20h 22m

$872

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 2/1

1:11 pm-1:30 pm

2 stops19h 19m

London Heathrow

Fri 2/5

7:30 am-9:37 pm

2 stops19h 07m

$880

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Tue 2/23

11:11 am-11:35 am

1 stop19h 24m

London Heathrow

Tue 3/16

7:30 am-11:32 pm

2 stops20h 02m

$884

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Tue 2/23

11:11 am-6:55 am

1 stop14h 44m

London Heathrow

Tue 3/16

6:05 am-11:32 pm

2 stops21h 27m

$885

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Tue 3/16

3:45 pm-11:40 am

1 stop15h 55m

London Heathrow

Fri 3/19

10:00 am-9:35 pm

2 stops15h 35m

$901

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Mon 11/23

5:59 pm-7:20 am

2 stops32h 21m

London Heathrow

Tue 12/8

8:25 pm-5:12 pm

2 stops25h 47m

$909

Quickest round-trip

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Tue 2/23

6:12 pm-12:15 pm

1 stop13h 03m

London Heathrow

Tue 3/16

9:55 am-6:34 pm

1 stop12h 39m

$911

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 1/19

5:46 pm-11:40 am

1 stop12h 54m

London Heathrow

Tue 2/2

9:55 am-11:27 pm

1 stop18h 32m

$912

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

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 $746, 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 $776.

Can stopping save me money on Kentucky to London flights?

You could potentially save up to 18% 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	$322
Fastest flight time	7h 40m
Direct flights	None

The best one-way flight to London from Kentucky in the past 72 hours is $322. The best round-trip flight deal from Kentucky to London found on momondo in the last 72 hours is $763.

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 are updated daily.
How many operators does momondo search for flights from Kentucky to London?
As of October 2026, there are 5 operators available to choose from for flights from Kentucky to London.
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 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.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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. 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

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $450	Free Cancellation	Rating 7.8 8,656 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $517	Free Cancellation	Rating 7.5 697 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $606	Free Cancellation	Rating 6.7 8,272 reviews	Search British Airways flights
American Airlines	PriceFrom $631	Free Cancellation	Rating 7.0 12,182 reviews	Search American Airlines flights
United Airlines	PriceFrom $705	Free Cancellation	Rating 7.3 10,396 reviews	Search United Airlines flights

Hounslow

Gatwick

Croydon

Hayes

Milton Keynes

Luton

Stansted

Kingston upon Thames

Dover

Wembley

Richmond

Watford

Crawley

Worthing

Harrow

Slough

Hook

Ilford

Canterbury

Brentford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kentucky to London. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Kentucky to London flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to London from Kentucky. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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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 3/24. 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

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United Airlines flights from Kentucky to London

Our best United Airlines deals on Kentucky to London flight tickets

Iberia flights from Kentucky to London

Our best Iberia deals on Kentucky to London flight tickets

momondo Fare Finder

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

See travel insights to London from

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?

What airlines fly 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

Best airlines flying from Kentucky to London

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London 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 the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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.

Popular cities in the United Kingdom

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

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According to popular flight searches on momondo this year

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