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Cheap flights from Kentucky to London Heathrow Airport from £166

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
4 Jan — 11 Jan1
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 5 December 2025.

Tue 30/1218:40CVG - LHR
1 stop30h 50mAir Canada
Fri 9/118:00LHR - CVG
1 stop29h 00mAir Canada
Deal found 4/12£446
Wed 10/1212:30CVG - LHR
2 stops15h 50mMultiple Airlines
Tue 16/1207:25LHR - CVG
1 stop21h 04mMultiple Airlines
Deal found 3/12£449
Wed 10/1212:30CVG - LHR
2 stops13h 10mUnited Airlines
Tue 16/1207:25LHR - CVG
2 stops16h 28mUnited Airlines
Deal found 3/12£451
Mon 29/1219:40CVG - LHR
1 stop30h 00mUnited Airlines
Fri 9/118:00LHR - CVG
1 stop29h 00mUnited Airlines
Deal found 2/12£463
Mon 29/1219:23TYS - LHR
1 stop30h 17mMultiple Airlines
Fri 9/112:00LHR - TYS
2 stops51h 57mMultiple Airlines
Deal found 2/12£465
Mon 29/1218:40CVG - LHR
2 stops44h 55mAir Canada
Sat 10/109:00LHR - CVG
2 stops41h 30mAir Canada
Deal found 2/12£469
Wed 31/1210:20CVG - LHR
1 stop19h 30mUnited Airlines
Mon 12/107:30LHR - CVG
2 stops15h 46mUnited Airlines
Deal found 3/12£471
Mon 29/1219:40CVG - LHR
1 stop30h 00mLufthansa
Sat 10/109:10LHR - CVG
1 stop13h 36mLufthansa
Deal found 2/12£474
Wed 31/1220:50CVG - LHR
Nonstop7h 40mBritish Airways
Mon 12/110:35LHR - CVG
1 stop14h 41mBritish Airways
Deal found 3/12£481
Mon 29/1219:23TYS - LHR
1 stop30h 17mLufthansa
Fri 9/116:20LHR - TYS
1 stop32h 07mLufthansa
Deal found 2/12£482
Wed 31/1219:40CVG - LHR
1 stop10h 10mLufthansa
Mon 12/112:05LHR - CVG
1 stop11h 58mLufthansa
Deal found 3/12£482
Mon 29/1218:40CVG - LHR
2 stops44h 55mUnited Airlines
Sat 10/111:10LHR - CVG
1 stop11h 50mUnited Airlines
Deal found 2/12£483

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 5 December 2025.

Round-trip from

£420

One-way from

£166

Popular in

December

Cheapest in

October

Average price

£1,103
Lufthansa
  • Lufthansa
  • 22/1-25/1
  • 3 total stops
  • 27h 25m total
  • Kentucky to London
Search Deals
British Airways
  • British Airways
  • 25/3
  • 1 total stop
  • 13h 30m total
  • Kentucky to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 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 5 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

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Thu 22/1

14:00-05:55

1 stop10h 55m

London Heathrow

Sun 25/1

11:10-22:40

2 stops16h 30m

£420

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Thu 8/1

07:00-12:55

2 stops24h 55m

London Heathrow

Thu 22/1

18:40-17:12

3 stops27h 32m

£443

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 11/3

12:45-14:35

2 stops21h 50m

London Heathrow

Wed 25/3

06:40-22:12

3 stops19h 32m

£443

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Sun 18/1

14:26-06:15

1 stop10h 49m

London Heathrow

Tue 27/1

15:05-18:55

Nonstop8h 50m

£445

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 29/4

07:25-06:45

1 stop18h 20m

London Heathrow

Tue 5/5

12:40-19:11

2 stops35h 31m

£448

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Sun 15/3

21:50-09:30

Nonstop7h 40m

London Heathrow

Thu 26/3

10:15-20:21

1 stop14h 06m

£450

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Sun 15/3

21:50-09:30

Nonstop7h 40m

London Heathrow

Wed 25/3

08:20-22:41

1 stop18h 21m

£450

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Sun 29/3

06:00-06:55

1 stop19h 55m

London Heathrow

Tue 7/4

14:05-12:53

2 stops27h 48m

£450

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 25/3

08:35-05:55

1 stop17h 20m

London Heathrow

Tue 31/3

15:50-16:22

1 stop29h 32m

£450

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 18/2

10:18-06:50

2 stops15h 32m

London Heathrow

Wed 25/2

11:45-21:14

2 stops14h 29m

£453

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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 £428). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £688). 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 5 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, Scandinavian Airlines, and British Airways can get you from Kentucky to London Heathrow Airport in just under 10h 49m. Your travel time can differ by up to 14h 06m. 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, November is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £428). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £688). 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
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

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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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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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