Find flights
Deals
When to book
FAQs

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
14 Feb — 21 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 15 January 2026.

Round-trip from

£414

One-way from

£164

Popular in

June

Cheapest in

October

Average price

£582
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/2-26/2
  • 4 total stops
  • 58h 22m total
  • Kentucky to London
Search Deals
British Airways
  • British Airways
  • 5/5
  • 1 total stop
  • 13h 28m 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 (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 15 January 2026.

Mon 23/212:45
CVG
-
LHR
2 stops39h 10m
Scandinavian Airlines
Thu 26/206:40
LHR
-
CVG
2 stops19h 12m
Scandinavian Airlines
Deal found 13/1£414
Sun 25/111:58
TYS
-
LHR
1 stop13h 27m
Virgin Atlantic
Tue 10/220:25
LHR
-
TYS
2 stops29h 22m
Virgin Atlantic
Deal found 14/1£423
Tue 5/507:02
CVG
-
LHR
2 stops44h 53m
Scandinavian Airlines
Fri 8/507:05
LHR
-
CVG
2 stops20h 00m
Scandinavian Airlines
Deal found 14/1£423
Tue 25/816:00
SDF
-
LHR
1 stop12h 35m
British Airways
Mon 14/918:10
LHR
-
SDF
2 stops33h 48m
British Airways
Deal found 13/1£427
Mon 23/217:47
TYS
-
LHR
1 stop10h 28m
British Airways
Tue 3/306:05
LHR
-
TYS
2 stops19h 52m
British Airways
Deal found 14/1£431
Tue 20/116:00
TYS
-
LHR
1 stop12h 15m
British Airways
Tue 27/117:25
LHR
-
TYS
2 stops32h 31m
British Airways
Deal found 13/1£433
Tue 3/211:14
SDF
-
LHR
1 stop17h 01m
British Airways
Mon 9/219:40
LHR
-
SDF
2 stops32h 39m
British Airways
Deal found 13/1£433
Mon 16/214:21
CVG
-
LHR
1 stop15h 54m
British Airways
Tue 24/207:30
LHR
-
CVG
2 stops18h 26m
British Airways
Deal found 13/1£434
Wed 25/209:25
CVG
-
LHR
1 stop17h 45m
British Airways
Wed 4/307:35
LHR
-
CVG
2 stops18h 21m
British Airways
Deal found 14/1£434
Wed 18/220:50
CVG
-
LHR
Nonstop7h 40m
British Airways
Wed 25/206:15
LHR
-
CVG
2 stops19h 41m
British Airways
Deal found 14/1£436
Sat 18/418:38
TYS
-
LHR
1 stop32h 12m
British Airways
Tue 5/507:50
LHR
-
TYS
2 stops19h 07m
British Airways
Deal found 13/1£437
Wed 18/206:10
TYS
-
LHR
1 stop20h 40m
British Airways
Mon 23/216:30
LHR
-
TYS
2 stops31h 42m
British Airways
Deal found 15/1£438

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 15 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

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 16/2

12:07-10:25

1 stop17h 18m

London Heathrow

Mon 23/2

16:30-21:11

2 stops33h 41m

£438

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 28/1

16:00-12:00

1 stop15h 00m

London Heathrow

Tue 3/2

13:10-20:56

1 stop12h 46m

£441

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 8/4

07:37-06:20

1 stop17h 43m

London Heathrow

Mon 13/4

19:25-21:28

2 stops31h 03m

£441

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 31/3

16:02-07:40

1 stop10h 38m

London Heathrow

Tue 14/4

19:25-21:35

2 stops31h 10m

£446

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 17/2

15:33-06:25

1 stop9h 52m

London Heathrow

Tue 3/3

06:20-18:30

2 stops17h 10m

£448

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 11/2

14:08-07:55

1 stop12h 47m

London Heathrow

Wed 18/2

13:25-15:28

2 stops31h 03m

£450

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/2

19:13-11:35

1 stop11h 22m

London Heathrow

Wed 18/2

08:20-17:37

1 stop14h 17m

£450

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 28/1

10:07-08:05

2 stops16h 58m

London Heathrow

Wed 4/2

11:30-23:45

2 stops17h 15m

£451

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 25/1

11:58-08:45

2 stops15h 47m

London Heathrow

Tue 10/2

11:30-23:45

2 stops17h 15m

£451

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 28/1

11:58-06:50

2 stops13h 52m

London Heathrow

Tue 3/2

11:45-23:45

2 stops17h 00m

£452

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 60 results
1
2
3
...
6

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 £425). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £683). 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?

    British Airways, Delta, and United Airlines can get you from Kentucky to London Heathrow Airport in just under 9h 52m. Your travel time can differ by up to 7h 26m. 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 £425). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £683). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kentucky to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Gatwick flights
Dallas/Fort Worth to Heathrow flights
San Francisco to Heathrow flights
John F Kennedy Intl to Stansted flights
Baltimore to Heathrow flights
LaGuardia to Gatwick flights
Boston to Gatwick flights
Seattle to Heathrow flights
Miami to Heathrow flights
Newark to Stansted flights
Atlanta to Heathrow flights
Newark to London City flights
Newark to Luton flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Boston to London City flights
Dulles Intl to Gatwick flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Philadelphia to Heathrow flights
Boston to Stansted flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
Los Angeles to Gatwick flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Los Angeles to London City flights
Charlotte to Heathrow flights
O'Hare Intl to London City flights
San Francisco to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Stansted flights
Los Angeles to Stansted flights
Tampa to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Raleigh to Heathrow flights
Austin to Heathrow flights
Boston to Luton flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.