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

United Airlines, American Airlines, and Delta can get you from Kentucky to London Heathrow Airport in just under 11h 19m. Your travel time can differ by up to 3h 21m. Kentucky and London Heathrow Airport are separated by a distance of 3898 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 Knoxville McGhee Tyson - 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.

£206+ 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 1 September 2026.

Wed 4/1110:13 -

1 stop17h 22m

Thu 12/1115:00 -

2 stops35h 37m

Deal found 31/8£626

Wed 21/1013:21 -

1 stop14h 44m

Wed 28/1011:50 -

1 stop15h 37m

Deal found 1/9£630

Wed 14/1019:51 -

1 stop11h 19m

Tue 20/1008:15 -

2 stops15h 36m

Deal found 1/9£634

Tue 13/1006:15 -

1 stop19h 40m

Tue 20/1008:15 -

2 stops15h 36m

Deal found 29/8£635

Tue 29/910:29 -

1 stop19h 21m

Tue 6/1006:15 -

2 stops20h 20m

Deal found 1/9£636

Wed 30/910:29 -

1 stop16h 11m

Tue 6/1006:15 -

2 stops20h 20m

Deal found 1/9£637

Wed 21/1017:19 -

1 stop13h 56m

Wed 28/1007:35 -

2 stops18h 00m

Deal found 1/9£638

Wed 4/1109:02 -

2 stops17h 08m

Thu 12/1111:10 -

2 stops16h 20m

Deal found 31/8£639

Tue 1/1207:00 -

2 stops19h 10m

Tue 8/1207:40 -

2 stops19h 52m

Deal found 29/8£639

Mon 2/1117:30 -

1 stop20h 00m

Sun 8/1108:50 -

2 stops15h 55m

Deal found 30/8£642

Wed 21/1020:55 -

2 stops15h 35m

Tue 27/1006:35 -

2 stops18h 03m

Deal found 28/8£644

Mon 19/1010:54 -

2 stops14h 16m

Fri 30/1006:30 -

2 stops15h 24m

Deal found 31/8£645

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 1 September 2026.

Wed 14/1019:51 -

1 stop11h 19m

Tue 20/1008:15 -

2 stops15h 36m

Deal found 1/9£634

Tue 20/1010:54 -

2 stops14h 16m

Thu 29/1006:30 -

2 stops15h 24m

Deal found 31/8£645

Wed 20/106:00 -

1 stop21h 00m

Tue 26/110:00 -

2 stops18h 03m

Deal found 31/8£653

Tue 13/1006:15 -

1 stop18h 40m

Tue 20/1006:50 -

2 stops15h 50m

Deal found 30/8£655

Tue 24/1110:47 -

1 stop15h 03m

Tue 8/1214:45 -

1 stop14h 14m

Deal found 29/8£662

Wed 2/1214:00 -

1 stop10h 55m

Mon 14/1211:10 -

1 stop17h 39m

Deal found 27/8£676

Tue 13/1018:05 -

1 stop13h 10m

Tue 20/1011:15 -

1 stop12h 10m

Deal found 29/8£677

Wed 9/1220:50 -

Nonstop7h 40m

Sun 13/1215:05 -

Nonstop8h 50m

Deal found 30/8£695

Mon 30/1116:12 -

2 stops20h 18m

Fri 11/1207:05 -

3 stops19h 56m

Deal found 27/8£780

Tue 13/1006:15 -

1 stop19h 40m

Tue 20/1008:15 -

2 stops15h 36m

Deal found 29/8£635

Tue 20/1013:59 -

1 stop12h 16m

Tue 27/1006:30 -

2 stops14h 48m

Deal found 1/9£655

Wed 14/1010:11 -

2 stops17h 24m

Wed 21/1006:50 -

2 stops18h 38m

Deal found 31/8£655

Tue 24/1113:01 -

2 stops13h 49m

Tue 8/1211:45 -

2 stops14h 32m

Deal found 29/8£657

Fri 13/1106:20 -

1 stop19h 30m

Wed 18/1106:30 -

2 stops15h 48m

Deal found 1/9£692

Wed 10/205:20 -

1 stop25h 40m

Sun 14/218:00 -

1 stop29h 00m

Deal found 31/8£692

Sun 17/111:13 -

2 stops27h 12m

Sat 23/111:00 -

1 stop12h 24m

Deal found 29/8£715

Mon 9/1108:35 -

1 stop16h 50m

Thu 3/1206:30 -

2 stops16h 00m

Deal found 30/8£656

Mon 5/1011:13 -

2 stops14h 17m

Fri 13/1109:00 -

2 stops16h 52m

Deal found 28/8£656

Wed 7/1016:11 -

1 stop10h 04m

Thu 15/1011:15 -

1 stop17h 44m

Deal found 28/8£674

Tue 3/1117:00 -

1 stop11h 00m

Tue 17/1108:55 -

1 stop12h 14m

Deal found 30/8£698

Fri 16/1011:05 -

1 stop14h 50m

Fri 23/1013:10 -

1 stop15h 47m

Deal found 1/9£698

Mon 19/1021:15 -

Nonstop7h 50m

Tue 27/1015:05 -

Nonstop8h 50m

Deal found 31/8£718

Mon 11/106:00 -

1 stop19h 50m

Wed 20/108:40 -

2 stops19h 23m

Deal found 30/8£656

Wed 11/1110:45 -

2 stops14h 55m

Wed 25/1106:50 -

2 stops17h 46m

Deal found 29/8£658

Wed 9/1210:50 -

2 stops15h 00m

Fri 18/1212:55 -

2 stops15h 08m

Deal found 31/8£677

Thu 15/1012:13 -

1 stop13h 42m

Thu 22/1009:15 -

1 stop15h 11m

Deal found 31/8£699

Wed 14/1013:22 -

1 stop12h 53m

Wed 21/1009:55 -

2 stops17h 29m

Deal found 30/8£656

Wed 2/1214:00 -

1 stop12h 55m

Mon 14/1211:05 -

2 stops34h 29m

Deal found 27/8£665

Mon 28/914:18 -

1 stop11h 32m

Mon 5/1015:35 -

Nonstop8h 55m

Deal found 29/8£751

Wed 21/1015:34 -

1 stop10h 41m

Sat 31/1008:40 -

2 stops16h 26m

Deal found 29/8£691

Find flight deals from Kentucky to Heathrow

Round-trip from	£583
One-way from	£206
Popular in	June
Cheapest in	November
Average price	£684

United Airlines
23/2-25/2
3 total stops
32h 07m total
Kentucky to London

Search Deals

5/10
2 total stops
18h 45m total
Kentucky to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£118 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 Kentucky to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HuntingtonLondon

HTS Huntington Tri State - LHR London Heathrow

HTSLHR

Huntington Tri State

Wed 14/10

19:51-12:10

1 stop11h 19m

London Heathrow

Tue 20/10

08:15-18:51

2 stops15h 36m

£634

HuntingtonLondon

HTS Huntington Tri State - LHR London Heathrow

HTSLHR

Huntington Tri State

Tue 13/10

06:15-06:55

1 stop19h 40m

London Heathrow

Tue 20/10

08:15-18:51

2 stops15h 36m

£635

NashvilleLondon

BNA Nashville Intl - LHR London Heathrow

BNALHR

Nashville Intl

Tue 20/10

10:54-07:10

2 stops14h 16m

London Heathrow

Thu 29/10

06:30-16:54

2 stops15h 24m

£645

EvansvilleLondon

EVV Evansville Dress Regional - LHR London Heathrow

EVVLHR

Evansville Dress Regional

Wed 20/1

06:00-09:00

1 stop21h 00m

London Heathrow

Tue 26/1

10:00-22:03

2 stops18h 03m

£653

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 13/10

06:15-05:55

1 stop18h 40m

London Heathrow

Tue 20/10

06:50-17:40

2 stops15h 50m

£655

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 20/10

13:59-07:15

1 stop12h 16m

London Heathrow

Tue 27/10

06:30-17:18

2 stops14h 48m

£655

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Wed 14/10

10:11-08:35

2 stops17h 24m

London Heathrow

Wed 21/10

06:50-20:28

2 stops18h 38m

£655

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 9/11

08:35-06:25

1 stop16h 50m

London Heathrow

Thu 3/12

06:30-17:30

2 stops16h 00m

£656

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 5/10

11:13-06:30

2 stops14h 17m

London Heathrow

Fri 13/11

09:00-20:52

2 stops16h 52m

£656

EvansvilleLondon

EVV Evansville Dress Regional - LHR London Heathrow

EVVLHR

Evansville Dress Regional

Mon 11/1

06:00-07:50

1 stop19h 50m

London Heathrow

Wed 20/1

08:40-22:03

2 stops19h 23m

£656

Flights are sorted by cheapest return flights first.

Deals found on 31/8

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.

BNA-LHR

CVG-LHR

HTS-LHR

EVV-LHR

SDF-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

BNA-LHR

CVG-LHR

HTS-LHR

EVV-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 £465). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £1,087). 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 typical for this route at the moment.

Kentucky to London Heathrow Airport flights typically cost between £608 and £894 in November.
The cheapest return price found within the last 5 days was £626 on Iberia (4 Nov–12 Nov).

Related info for your journey

How long is the flight from Kentucky to London Heathrow Airport?
United Airlines, American Airlines, and Delta can get you from Kentucky to London Heathrow Airport in just under 11h 19m. Your travel time can differ by up to 3h 21m. Kentucky and London Heathrow Airport are separated by a distance of 3898 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 Knoxville McGhee Tyson - 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 £465). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £1,087). 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 £206

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. 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 1 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 1 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 1 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 1 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 1 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 1 September 2026.

Last-minute flights from Kentucky to HeathrowDiscover last-minute flight deals from Kentucky to Heathrow. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Kentucky to Heathrow. Data last updated 1 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 1 September 2026.

Search for one-way flight options from Kentucky to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 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 typical for this route at the moment.

Kentucky to London Heathrow Airport flights typically cost between £608 and £894 in November.The cheapest return price found within the last 5 days was £626 on Iberia (4 Nov–12 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?

Browse thousands of different options on Cheapflights for your next trip

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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 1 September 2026.

Kentucky and Heathrow flights

Browse other Kentucky and Heathrow flight options. Last updated on 1 September 2026.

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

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

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 1 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 1 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 1 September 2026.

Last-minute flights from Kentucky to Heathrow
Discover last-minute flight deals from Kentucky to Heathrow. Data last updated 1 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 1 September 2026.

Kentucky to London Heathrow Airport flights typically cost between £608 and £894 in November.
The cheapest return price found within the last 5 days was £626 on Iberia (4 Nov–12 Nov).