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

Virgin Atlantic, Delta, and British Airways can get you from Kentucky to London Heathrow Airport in just under 7h 40m. Your travel time can differ by up to 10h 10m. Kentucky and London Heathrow Airport are separated by a distance of 3950 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

When deciding which route to take from Kentucky to London Heathrow Airport consider Nashville Intl - London Heathrow, Cincinnati Cinci./N. Kentucky - London Heathrow or Louisville Intl - London Heathrow as they are the most popular.

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

When flying from Kentucky to London Heathrow Airport, 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 Kentucky to Heathrow that include hotel bookings?

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

How can I find direct flights from Kentucky to Heathrow?

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

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

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

£219+ Cheap Flights from Kentucky to London Heathrow Airport

Cheap flight deals from Kentucky to Heathrow

Enter your travel dates to find the best prices.

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One-way

Cheapest flights from Kentucky to Heathrow
Explore the most affordable flight options available from Kentucky to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Sun 27/913:43 -

1 stop11h 32m

Tue 13/1008:40 -

2 stops19h 27m

Deal found 16/9£552

Sun 27/913:43 -

1 stop17h 32m

Tue 13/1011:15 -

1 stop16h 52m

Deal found 16/9£558

Tue 1/1214:35 -

1 stop16h 05m

Tue 8/1211:30 -

2 stops15h 47m

Deal found 18/9£563

Mon 19/1010:39 -

1 stop15h 31m

Tue 10/1111:45 -

2 stops14h 28m

Deal found 18/9£563

Tue 3/1111:04 -

1 stop15h 46m

Tue 10/1111:45 -

2 stops17h 13m

Deal found 18/9£563

Mon 2/1107:26 -

1 stop18h 39m

Wed 11/1111:30 -

2 stops15h 42m

Deal found 16/9£564

Wed 4/1110:06 -

1 stop20h 34m

Wed 11/1106:30 -

2 stops17h 00m

Deal found 17/9£565

Tue 8/1210:10 -

1 stop17h 50m

Tue 15/1206:20 -

2 stops17h 13m

Deal found 17/9£565

Tue 3/1113:04 -

1 stop17h 36m

Tue 17/1111:45 -

2 stops17h 13m

Deal found 15/9£565

Mon 2/1107:26 -

1 stop18h 39m

Wed 11/1108:55 -

2 stops18h 17m

Deal found 16/9£566

Mon 19/1006:00 -

1 stop19h 25m

Fri 30/1006:20 -

2 stops20h 31m

Deal found 16/9£566

Wed 28/1013:59 -

1 stop12h 26m

Wed 4/1106:20 -

2 stops16h 39m

Deal found 13/9£567

Best flights from Kentucky to Heathrow
Discover carefully curated flight deals from Kentucky to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Tue 8/1210:10 -

1 stop17h 50m

Tue 15/1206:20 -

2 stops17h 13m

Deal found 17/9£565

Wed 28/1013:59 -

1 stop12h 26m

Wed 4/1106:20 -

2 stops16h 39m

Deal found 13/9£567

Tue 2/315:50 -

1 stop34h 50m

Fri 5/306:50 -

2 stops17h 44m

Deal found 15/9£595

Wed 18/1120:50 -

Nonstop7h 40m

Fri 27/1115:05 -

Nonstop8h 50m

Deal found 16/9£602

Wed 18/1114:45 -

1 stop11h 05m

Sat 28/1110:50 -

1 stop13h 45m

Deal found 16/9£633

Wed 2/1212:16 -

1 stop14h 04m

Sun 6/1211:45 -

1 stop17h 10m

Deal found 17/9£707

Sat 21/1114:10 -

2 stops20h 10m

Sun 22/1122:40 -

2 stops30h 47m

Deal found 13/9£764

Mon 12/1015:00 -

2 stops22h 30m

Fri 16/1007:05 -

2 stops20h 25m

Deal found 15/9£774

Mon 19/1013:59 -

2 stops14h 16m

Tue 10/1111:45 -

2 stops14h 28m

Deal found 18/9£566

Tue 13/1017:18 -

2 stops14h 47m

Tue 20/1009:55 -

2 stops16h 42m

Deal found 14/9£570

Wed 25/1106:00 -

1 stop23h 50m

Sun 29/1115:00 -

1 stop32h 00m

Deal found 15/9£622

Tue 3/1113:04 -

1 stop17h 36m

Tue 10/1111:20 -

1 stop14h 58m

Deal found 18/9£568

Tue 13/1008:35 -

1 stop16h 50m

Fri 23/1011:15 -

1 stop15h 53m

Deal found 18/9£571

Sat 3/1007:00 -

1 stop18h 25m

Sun 11/1011:15 -

1 stop15h 12m

Deal found 15/9£647

Fri 13/1118:40 -

Nonstop8h 10m

Mon 16/1113:10 -

Nonstop9h 30m

Deal found 17/9£666

Wed 28/1013:59 -

2 stops13h 46m

Wed 4/1111:30 -

2 stops16h 17m

Deal found 13/9£571

Wed 6/115:45 -

1 stop11h 05m

Thu 14/106:30 -

2 stops20h 05m

Deal found 14/9£574

Thu 29/1005:00 -

1 stop22h 20m

Thu 5/1109:55 -

1 stop14h 31m

Deal found 14/9£707

Thu 15/1013:55 -

1 stop11h 50m

Thu 22/1007:25 -

2 stops18h 24m

Deal found 15/9£648

Sun 29/1118:40 -

Nonstop8h 10m

Mon 7/1213:10 -

Nonstop9h 30m

Deal found 15/9£677

Wed 17/317:55 -

1 stop13h 45m

Wed 24/308:40 -

2 stops16h 55m

Deal found 14/9£574

Wed 2/1206:15 -

2 stops29h 10m

Tue 8/1206:40 -

3 stops20h 35m

Deal found 14/9£778

Fri 16/1015:05 -

1 stop33h 40m

Sun 25/1013:00 -

1 stop30h 57m

Deal found 17/9£651

Fri 13/1110:11 -

1 stop14h 14m

Wed 18/1111:30 -

2 stops16h 52m

Deal found 17/9£597

Fri 23/1014:15 -

3 stops15h 40m

Wed 28/1020:35 -

2 stops32h 55m

Deal found 14/9£796

Tue 20/1007:05 -

2 stops21h 30m

Mon 26/1021:05 -

3 stops27h 52m

Deal found 14/9£779

Thu 3/1218:40 -

Nonstop8h 10m

Mon 7/1213:10 -

Nonstop9h 30m

Deal found 15/9£714

Fri 6/1111:05 -

2 stops14h 35m

Tue 10/1106:50 -

2 stops15h 40m

Deal found 14/9£651

Thu 29/1010:07 -

2 stops16h 38m

Thu 5/1110:00 -

2 stops18h 07m

Deal found 14/9£600

Mon 9/1119:59 -

1 stop10h 41m

Mon 23/1109:50 -

1 stop13h 21m

Deal found 17/9£607

Find flight deals from Kentucky to Heathrow

Round-trip from	£563
One-way from	£219
Popular in	June
Cheapest in	November
Average price	£802

Virgin Atlantic
1/12-8/12
3 total stops
31h 52m total
Kentucky to London

Search Deals

Icelandair
4/12-31/12
1 total stop
11h 20m total
Kentucky to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£111 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 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 Kentucky to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CincinnatiLondon

CVG Cincinnati Cinci./N. Kentucky - LHR London Heathrow

CVGLHR

Cincinnati Cinci./N. Kentucky

Sun 14/3

13:15-09:10

1 stop15h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

CincinnatiLondon

CVG Cincinnati Cinci./N. Kentucky - LHR London Heathrow

CVGLHR

Cincinnati Cinci./N. Kentucky

Mon 15/3

10:00-06:25

1 stop16h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

CincinnatiLondon

CVG Cincinnati Cinci./N. Kentucky - LHR London Heathrow

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 16/3

13:50-06:20

2 stops12h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

CincinnatiLondon

CVG Cincinnati Cinci./N. Kentucky - LHR London Heathrow

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 9/2

12:21-09:10

2 stops15h 49m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

CincinnatiLondon

CVG Cincinnati Cinci./N. Kentucky - LHR London Heathrow

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 10/3

11:45-06:50

2 stops14h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

CincinnatiLondon

CVG Cincinnati Cinci./N. Kentucky - LHR London Heathrow

CVGLHR

Cincinnati Cinci./N. Kentucky

Sat 13/3

18:40-21:00

2 stops45h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 15/3

12:00-07:45

2 stops15h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£260

NashvilleLondon

BNA Nashville Intl - LHR London Heathrow

BNALHR

Nashville Intl

Thu 11/3

13:00-06:55

1 stop11h 55m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£271

CincinnatiLondon

CVG Cincinnati Cinci./N. Kentucky - LHR London Heathrow

CVGLHR

Cincinnati Cinci./N. Kentucky

Mon 14/12

10:32-06:40

2 stops15h 08m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£276

CincinnatiLondon

CVG Cincinnati Cinci./N. Kentucky - LHR London Heathrow

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 16/12

12:32-06:50

2 stops13h 18m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£276

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Kentucky to Heathrow

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

TRI-LHR

SDF-LHR

CVG-LHR

HTS-LHR

BNA-LHR

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 Kentucky to London Heathrow Airport

USKY-LHR

TRI-LHR

SDF-LHR

CVG-LHR

HTS-LHR

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

Currently, February is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £481). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £1,108). 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 Kentucky to London Heathrow Airport?

Airfare is below average for this route at the moment.

Kentucky to London Heathrow Airport flights typically cost between £695 and £906 in October.
The cheapest return price found within the last 5 days was £563 on Virgin Atlantic (19 Oct–10 Nov).

Related info for your journey

How long is the flight from Kentucky to London Heathrow Airport?
Virgin Atlantic, Delta, and British Airways can get you from Kentucky to London Heathrow Airport in just under 7h 40m. Your travel time can differ by up to 10h 10m. Kentucky and London Heathrow Airport are separated by a distance of 3950 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Kentucky to London Heathrow Airport?
When deciding which route to take from Kentucky to London Heathrow Airport consider Nashville Intl - London Heathrow, Cincinnati Cinci./N. Kentucky - London Heathrow or Louisville Intl - London Heathrow as they are the most popular.
Can I find deals for flights from Kentucky to Heathrow that include hotel bookings?
Yes. In addition to deals on Kentucky to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Kentucky to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Heathrow.
Can I find deals for business class flights from Kentucky to Heathrow?
Yes. Cheapflights offers flight deals from Kentucky to Heathrow 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 Kentucky to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £481). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £1,108). 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

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

Deals for Kentucky to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Kentucky to Heathrow for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Heathrow from Kentucky? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Kentucky to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Kentucky to London Heathrow Airport from £219

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Kentucky to Heathrow

Cheapest flights from Kentucky to HeathrowExplore the most affordable flight options available from Kentucky to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Explore the most affordable flight options available from Kentucky to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Kentucky to HeathrowDiscover carefully curated flight deals from Kentucky to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Kentucky to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Kentucky to HeathrowExplore direct flight options from Kentucky to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Explore direct flight options from Kentucky to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Kentucky to HeathrowDiscover last-minute flight deals from Kentucky to Heathrow. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Kentucky to Heathrow. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Kentucky to HeathrowSearch for one-way flight options from Kentucky to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Kentucky to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Kentucky to Heathrow

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

Best time to book a flight from Kentucky to Heathrow

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

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

Kentucky to London Heathrow Airport flights typically cost between £695 and £906 in October.The cheapest return price found within the last 5 days was £563 on Virgin Atlantic (19 Oct–10 Nov).

Related info for your journey

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

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

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

How can I find direct flights from Kentucky to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Kentucky to Heathrow

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Complete your trip

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

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Search flights from Kentucky to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Kentucky and Heathrow flights

Browse other Kentucky and Heathrow flight options. Last updated on 18 September 2026.

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

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

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Cheapest flights from Kentucky to Heathrow
Explore the most affordable flight options available from Kentucky to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Kentucky to Heathrow
Discover carefully curated flight deals from Kentucky to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Kentucky to Heathrow
Explore direct flight options from Kentucky to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Kentucky to Heathrow
Discover last-minute flight deals from Kentucky to Heathrow. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Kentucky to Heathrow
Search for one-way flight options from Kentucky to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Kentucky to London Heathrow Airport flights typically cost between £695 and £906 in October.
The cheapest return price found within the last 5 days was £563 on Virgin Atlantic (19 Oct–10 Nov).