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

Finnair, Scandinavian Airlines, and United Airlines can get you from London Heathrow Airport to Kentucky in just under 15h 54m. Your travel time can differ by up to 5h 13m. 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 are the most popular airlines that fly from London Heathrow Airport to Kentucky?

Consider British Airways, Virgin Atlantic or American Airlines when booking your flight. These represent the most popular airlines when flying 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.

£390+ 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 23 September 2026.

Wed 7/1018:40 -

2 stops32h 57m

Sat 17/1015:26 -

2 stops21h 14m

Deal found 22/9£598

Sat 7/1117:00 -

2 stops32h 35m

Sat 14/1113:30 -

2 stops14h 50m

Deal found 23/9£627

Wed 7/1017:00 -

2 stops35h 59m

Tue 13/1013:20 -

2 stops24h 10m

Deal found 23/9£629

Mon 2/1106:40 -

2 stops22h 19m

Mon 16/1115:00 -

2 stops20h 00m

Deal found 19/9£644

Mon 5/1006:40 -

2 stops20h 19m

Tue 13/1013:59 -

2 stops23h 31m

Deal found 21/9£650

Wed 4/1110:05 -

1 stop15h 54m

Wed 11/1113:25 -

1 stop13h 50m

Deal found 20/9£651

Fri 11/1206:40 -

2 stops21h 23m

Wed 30/1214:20 -

2 stops20h 40m

Deal found 19/9£653

Tue 27/1019:30 -

2 stops32h 29m

Thu 5/1113:20 -

2 stops15h 00m

Deal found 20/9£654

Wed 4/1106:40 -

2 stops21h 07m

Wed 11/1113:01 -

2 stops27h 39m

Deal found 20/9£656

Wed 4/1106:40 -

2 stops21h 13m

Wed 11/1115:38 -

2 stops21h 02m

Deal found 20/9£656

Fri 6/1106:40 -

2 stops21h 13m

Fri 13/1112:50 -

2 stops39h 30m

Deal found 22/9£675

Mon 2/1109:00 -

2 stops19h 54m

Mon 9/1113:49 -

2 stops16h 26m

Deal found 18/9£681

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 23 September 2026.

Wed 4/1110:05 -

1 stop15h 54m

Wed 11/1113:25 -

1 stop13h 50m

Deal found 18/9£659

Wed 4/1106:40 -

2 stops21h 07m

Wed 11/1113:01 -

2 stops21h 59m

Deal found 18/9£660

Mon 2/1109:00 -

2 stops19h 54m

Mon 9/1113:49 -

2 stops16h 26m

Deal found 18/9£681

Mon 2/1116:30 -

1 stop12h 18m

Mon 9/1111:26 -

1 stop14h 29m

Deal found 18/9£717

Sun 18/1020:25 -

2 stops32h 30m

Mon 26/1018:15 -

1 stop13h 45m

Deal found 19/9£749

Wed 4/1109:00 -

2 stops16h 52m

Wed 11/1111:17 -

1 stop14h 03m

Deal found 18/9£683

Sun 27/1219:30 -

2 stops33h 53m

Sun 10/115:24 -

2 stops36h 56m

Deal found 20/9£726

Wed 7/1015:00 -

1 stop14h 07m

Tue 13/1016:34 -

1 stop14h 36m

Deal found 19/9£728

Mon 2/1106:50 -

2 stops15h 12m

Mon 9/1106:00 -

1 stop10h 20m

Deal found 18/9£690

Sun 4/1012:10 -

2 stops40h 45m

Tue 13/1013:56 -

1 stop14h 04m

Deal found 20/9£698

Sun 18/1020:20 -

2 stops28h 11m

Mon 26/1016:59 -

2 stops15h 31m

Deal found 19/9£773

Fri 23/1015:15 -

1 stop13h 54m

Tue 27/1016:59 -

1 stop10h 51m

Deal found 22/9£773

Mon 5/1006:50 -

2 stops15h 50m

Tue 13/1013:25 -

1 stop12h 50m

Deal found 21/9£706

Wed 14/1006:50 -

2 stops17h 34m

Sun 18/1015:37 -

1 stop35h 08m

Deal found 22/9£718

Sat 5/1207:30 -

2 stops17h 55m

Tue 8/1213:45 -

2 stops15h 40m

Deal found 18/9£719

Thu 5/1106:35 -

2 stops17h 35m

Thu 12/1109:00 -

2 stops16h 20m

Deal found 21/9£720

Fri 23/1008:40 -

2 stops20h 15m

Tue 27/1013:50 -

2 stops16h 35m

Deal found 22/9£743

Find flight deals from Heathrow to Kentucky

Round-trip from	£598
One-way from	£390
Popular in	December
Cheapest in	January
Average price	£674

Scandinavian Airlines
7/10-17/10
4 total stops
54h 11m total
London to Kentucky

Search Deals

United Airlines
29/10-31/12
1 total stop
12h 45m 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

Fastest return journey

LondonLexington

LHR London Heathrow - LEX Lexington Blue Grass

LHRLEX

London Heathrow

Thu 29/10

10:25-19:10

1 stop12h 45m

Lexington Blue Grass

Wed 31/12

00:00-06:00

Nonstop0h 00m

£390

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 15/11

09:00-19:19

2 stops39h 19m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£459

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 3/12

06:00-09:45

3 stops32h 45m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£460

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 14/11

18:45-09:45

2 stops44h 00m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£467

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 6/11

09:00-09:38

2 stops29h 38m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£491

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

09:00-23:54

2 stops19h 54m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£492

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 14/11

08:55-23:13

1 stop19h 18m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£507

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 15/11

10:50-19:14

1 stop13h 24m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£508

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

14:45-10:22

1 stop24h 37m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£517

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 26/10

08:50-09:32

2 stops28h 42m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£554

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 31 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-SDF

LHR-LEX

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-SDF

LHR-LEX

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 £612). Flying from London Heathrow Airport to Kentucky in July is currently the most expensive (average of £1,025). 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 £665 and £830 in October.
The cheapest return price found within the last 5 days was £598 on Scandinavian Airlines (7 Oct–17 Oct).

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

1,575 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

1,575 reviews

KLM

7.8

Good

1,575 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

10,227 reviews

KLM

7.8

Good

1,575 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

1,575 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

12,077 reviews

KLM

7.8

Good

1,575 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

8,226 reviews

KLM

7.8

Good

1,575 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?
Finnair, Scandinavian Airlines, and United Airlines can get you from London Heathrow Airport to Kentucky in just under 15h 54m. Your travel time can differ by up to 5h 13m. 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 £612). Flying from London Heathrow Airport to Kentucky in July is currently the most expensive (average of £1,025). 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£237	Average£882	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest£526	Average£744	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£592	Average£763	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£595	Average£812	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£620	Average£928	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 £390

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. 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 23 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 23 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 23 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 23 September 2026.

Last-minute flights from Heathrow to KentuckyDiscover last-minute flight deals from Heathrow to Kentucky. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Kentucky. Data last updated 23 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 23 September 2026.

Search for one-way flight options from Heathrow to Kentucky. Find affordable one-way fares based on user searches. Data last updated 23 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 £665 and £830 in October.The cheapest return price found within the last 5 days was £598 on Scandinavian Airlines (7 Oct–17 Oct).

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 23 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

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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 23 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 23 September 2026.

Last-minute flights from Heathrow to Kentucky
Discover last-minute flight deals from Heathrow to Kentucky. Data last updated 23 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 23 September 2026.

London Heathrow Airport to Kentucky flights typically cost between £665 and £830 in October.
The cheapest return price found within the last 5 days was £598 on Scandinavian Airlines (7 Oct–17 Oct).