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Cheap flights from Kentucky to London Heathrow Airport from £160

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
6 Mar — 13 Mar1
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 4 February 2026.

Sun 1/314:38
TYS
-
LHR
1 stop13h 22m
Virgin Atlantic
Mon 16/315:50
LHR
-
TYS
1 stop12h 07m
Virgin Atlantic
Deal found 1/2£441
Tue 3/317:45
LEX
-
LHR
2 stops18h 20m
Lufthansa
Tue 10/311:10
LHR
-
LEX
2 stops16h 34m
Lufthansa
Deal found 3/2£447
Mon 2/317:54
SDF
-
LHR
2 stops20h 41m
Lufthansa
Mon 9/309:30
LHR
-
SDF
2 stops18h 29m
Lufthansa
Deal found 31/1£456
Mon 2/314:03
LEX
-
LHR
2 stops15h 42m
Lufthansa
Mon 9/311:10
LHR
-
LEX
2 stops16h 34m
Lufthansa
Deal found 2/2£456
Wed 11/313:58
SDF
-
LHR
1 stop11h 57m
United Airlines
Tue 17/306:50
LHR
-
SDF
2 stops19h 23m
United Airlines
Deal found 3/2£463
Tue 3/314:03
LEX
-
LHR
1 stop10h 52m
United Airlines
Tue 10/306:50
LHR
-
LEX
2 stops17h 19m
United Airlines
Deal found 3/2£463
Wed 18/308:35
CVG
-
LHR
2 stops18h 35m
Multiple Airlines
Wed 25/308:45
LHR
-
CVG
2 stops19h 08m
Multiple Airlines
Deal found 1/2£463
Tue 3/307:40
SDF
-
LHR
1 stop19h 55m
British Airways
Wed 18/307:35
LHR
-
SDF
2 stops19h 45m
British Airways
Deal found 1/2£463
Sat 28/219:25
TYS
-
LHR
1 stop10h 25m
United Airlines
Sat 7/306:50
LHR
-
TYS
2 stops17h 39m
United Airlines
Deal found 31/1£464
Sun 1/306:00
SDF
-
LHR
1 stop20h 30m
United Airlines
Sun 8/306:50
LHR
-
SDF
2 stops17h 24m
United Airlines
Deal found 1/2£464
Mon 2/314:03
LEX
-
LHR
1 stop10h 52m
United Airlines
Mon 9/307:40
LHR
-
LEX
2 stops20h 04m
United Airlines
Deal found 2/2£464
Mon 2/319:55
LEX
-
LHR
1 stop10h 45m
Delta
Mon 9/306:30
LHR
-
LEX
2 stops14h 37m
Delta
Deal found 2/2£465

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 4 February 2026.

Round-trip from

£441

One-way from

£160

Popular in

June

Cheapest in

October

Average price

£701
Virgin Atlantic
  • Virgin Atlantic
  • 1/3-16/3
  • 2 total stops
  • 25h 29m total
  • Kentucky to London
Search Deals
British Airways
  • British Airways
  • 19/7
  • 1 total stop
  • 14h 00m total
  • Kentucky to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£127 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 4 February 2026.
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

Wed 11/3

13:58-05:55

1 stop11h 57m

London Heathrow

Tue 17/3

06:50-22:13

2 stops19h 23m

£463

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 1/3

06:00-07:30

1 stop20h 30m

London Heathrow

Sun 8/3

06:50-19:14

2 stops17h 24m

£464

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 2/3

14:35-10:50

1 stop15h 15m

London Heathrow

Mon 9/3

09:00-22:13

2 stops17h 13m

£464

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Mon 2/3

14:03-05:55

1 stop10h 52m

London Heathrow

Mon 9/3

07:40-23:44

2 stops20h 04m

£464

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Mon 2/3

19:55-11:40

1 stop10h 45m

London Heathrow

Mon 9/3

06:30-17:07

2 stops14h 37m

£465

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 3/3

10:45-07:10

2 stops15h 25m

London Heathrow

Wed 18/3

06:50-19:31

2 stops16h 41m

£466

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Thu 19/3

06:00-07:10

2 stops21h 10m

London Heathrow

Mon 23/3

13:25-20:14

2 stops34h 49m

£471

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Mon 27/4

16:27-12:15

1 stop14h 48m

London Heathrow

Mon 18/5

19:25-23:38

2 stops33h 13m

£473

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Sun 5/4

17:07-10:30

1 stop12h 23m

London Heathrow

Mon 13/4

19:25-23:38

2 stops33h 13m

£474

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Tue 28/4

10:22-11:20

1 stop19h 58m

London Heathrow

Tue 19/5

09:55-21:11

2 stops16h 16m

£475

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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 £417). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £671). 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?

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?

    United Airlines, Delta, and British Airways can get you from Kentucky to London Heathrow Airport in just under 10h 45m. Your travel time can differ by up to 4h 03m. Kentucky and London Heathrow Airport are separated by a distance of 3995 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 Cincinnati Cinci./N. Kentucky - London Heathrow, Nashville Intl - 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 £417). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £671). 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
Luton
Northampton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Swindon
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames

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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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Dulles Intl to Gatwick flights
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Philadelphia to Heathrow flights
Los Angeles to Gatwick flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
Dulles Intl to London City flights
O'Hare Intl to Gatwick flights
Los Angeles to Stansted flights
Baltimore to Gatwick flights
George Bush Intcntl to Heathrow flights
Austin to Heathrow flights
O'Hare Intl to Stansted flights
Reagan-National to Gatwick flights
San Francisco to London City flights
Boston to Luton flights
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O'Hare Intl to London City flights
Los Angeles to London City flights
San Francisco to Stansted flights

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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