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Cheap flights from Kentucky to London Heathrow Airport from £163

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
25 Jan — 1 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kentucky to Heathrow

Enter your travel dates to find the best prices.

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 26 December 2025.

Sat 27/1210:40BNA - LHR
1 stop16h 50mJetBlue
Sat 10/108:05LHR - BNA
1 stop32h 08mJetBlue
Deal found 25/12£538
Tue 30/1214:19CVG - LHR
1 stop10h 36mLufthansa
Fri 9/112:50LHR - CVG
1 stop13h 40mLufthansa
Deal found 24/12£584
Wed 31/1216:08CVG - LHR
1 stop11h 17mLufthansa
Mon 12/119:30LHR - CVG
2 stops30h 16mLufthansa
Deal found 24/12£587
Tue 30/1212:01BNA - LHR
1 stop12h 54mJetBlue
Wed 14/107:25LHR - BNA
1 stop32h 48mJetBlue
Deal found 25/12£588
Tue 30/1216:08CVG - LHR
1 stop11h 17mUnited Airlines
Fri 9/109:00LHR - CVG
2 stops37h 46mUnited Airlines
Deal found 24/12£604
Tue 30/1211:00CVG - LHR
1 stop15h 05mDelta
Fri 9/106:20LHR - CVG
2 stops15h 49mDelta
Deal found 25/12£605
Tue 30/1218:40CVG - LHR
1 stop30h 50mMultiple Airlines
Fri 9/111:10LHR - CVG
1 stop11h 50mMultiple Airlines
Deal found 24/12£610
Wed 31/1210:35BNA - LHR
1 stop16h 55mJetBlue
Wed 14/107:25LHR - BNA
1 stop32h 48mJetBlue
Deal found 25/12£618
Mon 29/1212:01BNA - LHR
1 stop12h 54mJetBlue
Mon 12/109:20LHR - BNA
1 stop29h 45mJetBlue
Deal found 25/12£638
Tue 30/1212:01BNA - LHR
1 stop12h 54mJetBlue
Mon 12/109:20LHR - BNA
1 stop29h 45mJetBlue
Deal found 25/12£644
Sun 28/1210:35BNA - LHR
1 stop28h 10mJetBlue
Tue 13/109:20LHR - BNA
1 stop29h 45mJetBlue
Deal found 25/12£647
Tue 30/1212:01BNA - LHR
1 stop12h 54mJetBlue
Thu 15/109:20LHR - BNA
1 stop29h 45mJetBlue
Deal found 25/12£664

Find flight deals from Kentucky to Heathrow

Keep the following information in mind while searching for Kentucky to Heathrow flight deals. Data was last updated 26 December 2025.

Round-trip from

£416

One-way from

£163

Popular in

June

Cheapest in

October

Average price

£953
Lufthansa
  • Lufthansa
  • 23/1-30/1
  • 3 total stops
  • 29h 13m total
  • Kentucky to London
Search Deals
British Airways
  • British Airways
  • 25/3
  • 1 total stop
  • 13h 42m total
  • Kentucky to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£106 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kentucky to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 December 2025.
Use the filters below to find and compare flights from Kentucky to London Heathrow Airport that are best for you.

Fly from

Kentucky

Fly to

Heathrow

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 26/1

12:22-06:25

1 stop13h 03m

London Heathrow

Mon 2/2

06:30-17:01

2 stops15h 31m

£439

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 26/1

15:32-09:00

1 stop12h 28m

London Heathrow

Mon 9/2

11:45-23:50

2 stops17h 05m

£439

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 9/2

14:05-05:55

1 stop10h 50m

London Heathrow

Mon 16/2

12:05-19:42

1 stop12h 37m

£449

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 28/1

14:25-10:25

2 stops15h 00m

London Heathrow

Mon 9/2

06:35-19:27

2 stops17h 52m

£450

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 29/1

14:25-09:45

2 stops14h 20m

London Heathrow

Tue 3/2

07:40-19:27

2 stops16h 47m

£457

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Fri 23/1

17:32-11:15

1 stop12h 43m

London Heathrow

Fri 30/1

07:25-20:31

1 stop18h 06m

£461

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 23/1

11:07-05:55

1 stop13h 48m

London Heathrow

Tue 27/1

06:50-16:53

2 stops15h 03m

£465

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Fri 27/2

10:35-05:55

1 stop14h 20m

London Heathrow

Wed 4/3

06:50-20:09

2 stops18h 19m

£465

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Wed 4/2

14:00-11:15

1 stop16h 15m

London Heathrow

Sun 8/2

06:50-20:31

2 stops18h 41m

£465

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 13/2

14:38-06:25

1 stop10h 47m

London Heathrow

Mon 16/2

06:30-20:55

2 stops19h 25m

£467

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Showing 1-10 of 60 results
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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.
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

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

Currently, November is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £423). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £680). 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.

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

Find hourly flight availability from Kentucky to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 December 2025.

When flying from Kentucky to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 22% versus a flight in the morning.

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

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Lufthansa, KLM, and United Airlines can get you from Kentucky to London Heathrow Airport in just under 10h 49m. Your travel time can differ by up to 4h 11m. Kentucky and London Heathrow Airport are separated by a distance of 4033 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 Lexington Blue Grass - 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, November is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £423). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £680). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Bedford
Romford
Chichester
Eastbourne
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kentucky to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Los Angeles to London City flights
Boston to Stansted flights
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Fly with Cheapflights

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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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