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Cheap flights from Kentucky to London Heathrow Airport from £164

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kentucky to Heathrow

Keep the following information in mind while searching for Kentucky to Heathrow flight deals. Data was last updated 13 January 2026.

Round-trip from

£421

One-way from

£164

Popular in

June

Cheapest in

October

Average price

£581
Virgin Atlantic
  • Virgin Atlantic
  • 17/2-27/2
  • 4 total stops
  • 31h 15m total
  • Kentucky to London
Search Deals
British Airways
  • British Airways
  • 15/4
  • 1 total stop
  • 14h 25m total
  • Kentucky to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£131 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 13 January 2026.

Tue 17/213:02
TRI
-
LHR
2 stops14h 03m
Virgin Atlantic
Fri 27/210:10
LHR
-
TRI
2 stops17h 12m
Virgin Atlantic
Deal found 12/1£421
Sat 18/407:02
CVG
-
LHR
2 stops24h 53m
Scandinavian Airlines
Mon 20/407:05
LHR
-
CVG
2 stops20h 23m
Scandinavian Airlines
Deal found 12/1£423
Wed 4/317:13
LEX
-
LHR
1 stop13h 22m
British Airways
Wed 18/306:15
LHR
-
LEX
2 stops21h 01m
British Airways
Deal found 11/1£424
Wed 25/206:10
TYS
-
LHR
1 stop19h 25m
British Airways
Wed 4/307:35
LHR
-
TYS
2 stops16h 37m
British Airways
Deal found 10/1£430
Tue 10/321:50
CVG
-
LHR
Nonstop7h 40m
British Airways
Tue 17/308:25
LHR
-
CVG
2 stops16h 31m
British Airways
Deal found 12/1£433
Tue 31/316:02
TYS
-
LHR
1 stop13h 28m
British Airways
Tue 14/419:25
LHR
-
TYS
2 stops31h 10m
British Airways
Deal found 11/1£434
Sat 18/407:02
CVG
-
LHR
2 stops24h 53m
Scandinavian Airlines
Sun 19/418:40
LHR
-
CVG
2 stops32h 48m
Scandinavian Airlines
Deal found 12/1£434
Tue 7/414:49
TYS
-
LHR
1 stop11h 01m
British Airways
Tue 21/420:00
LHR
-
TYS
2 stops32h 55m
British Airways
Deal found 11/1£435
Wed 18/209:25
CVG
-
LHR
1 stop19h 15m
British Airways
Wed 25/207:20
LHR
-
CVG
2 stops18h 36m
British Airways
Deal found 12/1£435
Wed 8/419:05
SDF
-
LHR
1 stop11h 10m
British Airways
Mon 13/420:00
LHR
-
SDF
2 stops30h 20m
British Airways
Deal found 12/1£435
Wed 18/216:04
TYS
-
LHR
1 stop12h 11m
British Airways
Mon 23/219:15
LHR
-
TYS
2 stops30h 42m
British Airways
Deal found 12/1£436
Mon 9/211:18
CVG
-
LHR
1 stop15h 32m
British Airways
Mon 16/219:40
LHR
-
CVG
2 stops29h 41m
British Airways
Deal found 11/1£436

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 13 January 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

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 17/2

15:33-06:25

1 stop9h 52m

London Heathrow

Fri 27/2

10:10-22:22

2 stops17h 12m

£424

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 17/3

18:38-11:40

1 stop13h 02m

London Heathrow

Tue 31/3

09:15-17:54

1 stop13h 39m

£438

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sat 28/2

20:00-07:20

1 stop30h 20m

London Heathrow

Tue 10/3

07:30-21:11

2 stops17h 41m

£438

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Tue 28/4

16:27-09:05

1 stop11h 38m

London Heathrow

Tue 19/5

06:15-23:52

2 stops22h 37m

£442

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/2

07:40-06:50

1 stop18h 10m

London Heathrow

Wed 18/2

19:40-21:26

2 stops30h 46m

£443

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/2

12:22-07:50

1 stop14h 28m

London Heathrow

Wed 18/2

11:30-23:58

2 stops17h 28m

£447

EvansvilleLondon

EVV - LHR

EVVLHR

Evansville Dress Regional

Wed 25/2

06:00-09:00

1 stop21h 00m

London Heathrow

Wed 4/3

11:30-22:20

2 stops16h 50m

£447

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 17/3

08:05-07:50

1 stop19h 45m

London Heathrow

Tue 31/3

11:45-23:57

2 stops17h 12m

£448

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/2

12:22-06:25

1 stop13h 03m

London Heathrow

Tue 17/2

11:45-21:18

2 stops14h 33m

£448

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 7/4

14:49-06:50

1 stop11h 01m

London Heathrow

Tue 21/4

12:30-21:57

1 stop14h 27m

£449

Flights are sorted by cheapest return flights first.

Deals found on 11/1

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 £424). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £682). 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?

    Virgin Atlantic, British Airways, and Delta can get you from Kentucky to London Heathrow Airport in just under 9h 52m. Your travel time can differ by up to 4h 36m. Kentucky and London Heathrow Airport are separated by a distance of 3980 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, November is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £424). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £682). 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
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

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 Gatwick flights
Baltimore to Gatwick flights
Dulles Intl to London City flights
O'Hare Intl to Gatwick flights
Boston to Stansted flights
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Los Angeles to London City flights
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O'Hare Intl to London City flights
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San Francisco to Gatwick flights
Charlotte to Heathrow flights
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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?

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.

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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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