How long is the flight from London Heathrow Airport to Kentucky?

Scandinavian Airlines and United Airlines can get you from London Heathrow Airport to Kentucky in just under 16h 52m. Your travel time can differ by up to 17h 01m. There are 4033 mi between London Heathrow Airport and Kentucky. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Kentucky ranges from 79.0 - 135.0 inches per month. May is typically the wettest month, when rainfall can reach 135.0 mm. September is typically the driest time to visit Kentucky when rainfall is around 79.0 mm.

If weather is an important factor for your trip to Kentucky, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What are the most popular routes from London Heathrow Airport to Kentucky?

Most travelers choose London Heathrow - Nashville Intl, London Heathrow - Cincinnati Cinci./N. Kentucky or London Heathrow - Louisville Intl when deciding on the best route from London Heathrow Airport to Kentucky.

What is the cheapest time of day to fly from LHR to KY?

When flying from London Heathrow Airport to Kentucky, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Heathrow to Kentucky that include hotel bookings?

Yes. In addition to deals on Heathrow to Kentucky flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Kentucky?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Kentucky.

Can I find deals for business class flights from Heathrow to Kentucky?

Yes. Cheapflights offers flight deals from Heathrow to Kentucky by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£450+ Cheap Flights from London Heathrow Airport to Kentucky

Cheap flight deals from Heathrow to Kentucky

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Heathrow to Kentucky
Explore the most affordable flight options available from Heathrow to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Sun 22/1106:40 -

2 stops22h 30m

Fri 27/1115:00 -

2 stops20h 00m

Deal found 29/9£589

Thu 29/1018:40 -

2 stops33h 19m

Sun 1/1115:34 -

2 stops21h 06m

Deal found 25/9£589

Mon 26/1006:40 -

2 stops21h 18m

Sun 1/1115:34 -

2 stops25h 06m

Deal found 25/9£598

Sun 27/1219:30 -

2 stops33h 53m

Sun 10/115:24 -

2 stops36h 56m

Deal found 26/9£599

Mon 2/1106:40 -

2 stops22h 19m

Mon 16/1113:01 -

2 stops21h 59m

Deal found 29/9£605

Mon 9/1106:40 -

2 stops22h 18m

Mon 16/1115:38 -

2 stops19h 22m

Deal found 25/9£611

Wed 11/1106:40 -

2 stops22h 18m

Wed 18/1115:38 -

2 stops19h 22m

Deal found 27/9£616

Thu 29/1018:40 -

2 stops33h 19m

Mon 2/1113:04 -

2 stops21h 56m

Deal found 25/9£621

Mon 26/1006:40 -

2 stops21h 18m

Wed 4/1115:34 -

2 stops21h 56m

Deal found 25/9£629

Wed 7/1018:40 -

2 stops34h 19m

Tue 13/1013:20 -

2 stops21h 40m

Deal found 28/9£631

Mon 2/1106:40 -

2 stops22h 18m

Mon 9/1115:38 -

2 stops19h 22m

Deal found 29/9£653

Mon 9/1106:40 -

2 stops22h 30m

Sun 15/1113:01 -

2 stops24h 29m

Deal found 27/9£654

Best flights from Heathrow to Kentucky
Discover carefully curated flight deals from Heathrow to Kentucky that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Sun 27/1219:30 -

2 stops33h 53m

Sun 10/115:24 -

2 stops36h 56m

Deal found 26/9£599

Tue 24/1109:00 -

2 stops16h 52m

Sun 29/1118:18 -

1 stop21h 17m

Deal found 25/9£683

Mon 2/1106:15 -

2 stops20h 22m

Mon 16/1110:13 -

1 stop19h 12m

Deal found 26/9£699

Mon 23/1107:30 -

2 stops19h 07m

Mon 30/1118:11 -

1 stop10h 29m

Deal found 25/9£714

Thu 12/1119:30 -

2 stops33h 40m

Mon 16/1115:00 -

2 stops21h 40m

Deal found 29/9£630

Tue 24/1106:50 -

2 stops17h 20m

Mon 30/1118:15 -

1 stop12h 45m

Deal found 25/9£690

Tue 24/1112:35 -

1 stop16h 07m

Sun 29/1111:20 -

1 stop16h 15m

Deal found 25/9£743

Mon 23/1106:50 -

2 stops17h 20m

Mon 30/1109:00 -

1 stop15h 55m

Deal found 25/9£690

Tue 27/1007:30 -

2 stops17h 03m

Tue 3/1113:45 -

1 stop11h 35m

Deal found 29/9£705

Tue 27/1007:30 -

2 stops17h 05m

Tue 3/1113:50 -

1 stop11h 05m

Deal found 29/9£705

Mon 23/1110:25 -

1 stop13h 07m

Mon 30/1113:45 -

1 stop11h 35m

Deal found 25/9£713

Tue 24/1107:40 -

1 stop14h 17m

Mon 30/1118:18 -

1 stop11h 07m

Deal found 25/9£713

Sat 5/1209:00 -

2 stops19h 56m

Tue 8/1210:50 -

2 stops14h 30m

Deal found 29/9£713

Mon 2/1108:00 -

2 stops16h 10m

Mon 9/1113:49 -

1 stop11h 06m

Deal found 26/9£714

Tue 20/1010:50 -

2 stops17h 51m

Thu 24/1214:40 -

2 stops17h 20m

Deal found 29/9£716

Wed 14/1006:50 -

2 stops17h 34m

Sun 18/1015:37 -

1 stop35h 08m

Deal found 25/9£719

Find flight deals from Heathrow to Kentucky

Round-trip from	£589
One-way from	£450
Popular in	December
Cheapest in	January
Average price	£691

Scandinavian Airlines
22/11-27/11
4 total stops
42h 30m total
London to Kentucky

Search Deals

United Airlines
30/11-31/12
2 total stops
39h 11m total
London to Kentucky

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£31 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLexington

LHR London Heathrow - LEX Lexington Blue Grass

LHRLEX

London Heathrow

Mon 30/11

13:45-23:56

2 stops39h 11m

Lexington Blue Grass

Wed 31/12

00:00-06:00

Nonstop0h 00m

£450

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

19:55-20:29

3 stops53h 34m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£453

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 11/1

08:40-21:41

2 stops18h 01m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£460

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

08:45-23:54

2 stops20h 09m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£486

LondonLexington

LHR London Heathrow - LEX Lexington Blue Grass

LHRLEX

London Heathrow

Mon 30/11

10:50-23:58

1 stop18h 08m

Lexington Blue Grass

Wed 31/12

00:00-06:00

Nonstop0h 00m

£487

LondonLexington

LHR London Heathrow - LEX Lexington Blue Grass

LHRLEX

London Heathrow

Thu 26/11

11:10-13:13

2 stops31h 03m

Lexington Blue Grass

Wed 31/12

00:00-06:00

Nonstop0h 00m

£497

LondonLexington

LHR London Heathrow - LEX Lexington Blue Grass

LHRLEX

London Heathrow

Fri 27/11

06:50-10:13

2 stops32h 23m

Lexington Blue Grass

Wed 31/12

00:00-06:00

Nonstop0h 00m

£499

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 22/3

06:30-19:01

2 stops16h 31m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£502

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Tue 23/3

10:50-00:02

1 stop17h 12m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£517

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 21/10

20:50-19:19

3 stops51h 29m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£523

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Showing 1-10 of 37 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Heathrow with our price prediction graph.

LHR-LEX

LHR-SDF

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Kentucky

LHR-USKY

LHR-LEX

LHR-SDF

What is the cheapest month to book a flight from London Heathrow Airport to Kentucky?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Kentucky (average of £618). Flying from London Heathrow Airport to Kentucky in July is currently the most expensive (average of £1,035). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Kentucky?

Airfare is below average for this route at the moment.

London Heathrow Airport to Kentucky flights typically cost between £601 and £740 in November.
The cheapest return price found within the last 5 days was £589 on Scandinavian Airlines (22 Nov–27 Nov).

How far ahead should I book a flight from London Heathrow Airport to Kentucky?

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Kentucky. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Kentucky

Read through reviews of airlines operating flights from London Heathrow Airport to Kentucky, such as KLM,United Airlines, andVirgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

KLM

7.8

Good

1,578 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

United Airlines

7.4

Good

10,261 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Virgin Atlantic

7.4

Good

694 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

American Airlines

7.0

Good

12,098 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

British Airways

6.7

Okay

8,243 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

How long is the flight from London Heathrow Airport to Kentucky?
Scandinavian Airlines and United Airlines can get you from London Heathrow Airport to Kentucky in just under 16h 52m. Your travel time can differ by up to 17h 01m. There are 4033 mi between London Heathrow Airport and Kentucky. This flight may include one or multiple stops.
What are the most popular routes from London Heathrow Airport to Kentucky?
Most travelers choose London Heathrow - Nashville Intl, London Heathrow - Cincinnati Cinci./N. Kentucky or London Heathrow - Louisville Intl when deciding on the best route from London Heathrow Airport to Kentucky.
Can I find deals for flights from Heathrow to Kentucky that include hotel bookings?
Yes. In addition to deals on Heathrow to Kentucky flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Kentucky?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Kentucky.
Can I find deals for business class flights from Heathrow to Kentucky?
Yes. Cheapflights offers flight deals from Heathrow to Kentucky by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Kentucky?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Kentucky (average of £618). Flying from London Heathrow Airport to Kentucky in July is currently the most expensive (average of £1,035). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Kentucky

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Top 5 airlines flying from Heathrow to Kentucky

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest£239	Average£890	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest£531	Average£748	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£600	Average£846	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£618	Average£773	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£626	Average£937	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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How does Cheapflights help users find flights from Heathrow to Kentucky?

Cheapflights makes it easy to find Heathrow to Kentucky flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Kentucky?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Kentucky.

Can Cheapflights find flights from Heathrow to Kentucky with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Kentucky with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Kentucky become cheaper?

Yes! Start tracking prices for Heathrow to Kentucky flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London Heathrow Airport to Kentucky from £450

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Kentucky

Cheapest flights from Heathrow to KentuckyExplore the most affordable flight options available from Heathrow to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from Heathrow to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Heathrow to KentuckyDiscover carefully curated flight deals from Heathrow to Kentucky that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Heathrow to Kentucky that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Heathrow to KentuckyDiscover last-minute flight deals from Heathrow to Kentucky. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Kentucky. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Heathrow to KentuckySearch for one-way flight options from Heathrow to Kentucky. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Heathrow to Kentucky. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Find flight deals from Heathrow to Kentucky

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Heathrow with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London Heathrow Airport to Kentucky?

How much does it cost for a return flight from London Heathrow Airport to Kentucky?

Airfare is below average for this route at the moment.

London Heathrow Airport to Kentucky flights typically cost between £601 and £740 in November.The cheapest return price found within the last 5 days was £589 on Scandinavian Airlines (22 Nov–27 Nov).

How far ahead should I book a flight from London Heathrow Airport to Kentucky?

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Kentucky. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Kentucky

Read through reviews of airlines operating flights from London Heathrow Airport to Kentucky, such as KLM,United Airlines, andVirgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London Heathrow Airport to Kentucky?

What are the most popular routes from London Heathrow Airport to Kentucky?

Can I find deals for flights from Heathrow to Kentucky that include hotel bookings?

How can I find direct flights from Heathrow to Kentucky?

Can I find deals for business class flights from Heathrow to Kentucky?

What is the cheapest month to book a flight from London Heathrow Airport to Kentucky?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Kentucky by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Heathrow to Kentucky by cabin class

Find flights from Heathrow to Kentucky, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Kentucky flights

Browse other Heathrow and Kentucky flight options. Last updated on 30 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Heathrow to Kentucky flights

Consider these flights travelling from Heathrow to Kentucky.

Top 5 airlines flying from Heathrow to Kentucky

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Kentucky?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Kentucky?

Can Cheapflights find flights from Heathrow to Kentucky with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Kentucky become cheaper?

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Travel Smart

Cheapest flights from Heathrow to Kentucky
Explore the most affordable flight options available from Heathrow to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Heathrow to Kentucky
Discover carefully curated flight deals from Heathrow to Kentucky that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Heathrow to Kentucky
Discover last-minute flight deals from Heathrow to Kentucky. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Heathrow to Kentucky
Search for one-way flight options from Heathrow to Kentucky. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

London Heathrow Airport to Kentucky flights typically cost between £601 and £740 in November.
The cheapest return price found within the last 5 days was £589 on Scandinavian Airlines (22 Nov–27 Nov).