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Cheap flights from Kentucky to London Heathrow Airport from £200

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
20 Jun — 27 Jun1
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 21 May 2026.

Mon 2/1112:53
SDF
-
LHR
1 stop12h 32m
Virgin Atlantic
Mon 23/1111:30
LHR
-
SDF
2 stops15h 11m
Virgin Atlantic
Deal found 19/5£360
Sun 18/1012:49
TRI
-
LHR
2 stops22h 11m
Scandinavian Airlines
Sun 25/1006:40
LHR
-
TRI
2 stops19h 44m
Scandinavian Airlines
Deal found 17/5£620
Tue 10/1118:00
SDF
-
LHR
1 stop13h 00m
United Airlines
Thu 12/1106:50
LHR
-
SDF
2 stops14h 59m
United Airlines
Deal found 17/5£624
Tue 10/1114:00
LEX
-
LHR
1 stop12h 55m
United Airlines
Thu 12/1106:50
LHR
-
LEX
2 stops16h 47m
United Airlines
Deal found 17/5£624
Mon 9/1117:57
TYS
-
LHR
2 stops17h 03m
Scandinavian Airlines
Wed 18/1106:40
LHR
-
TYS
2 stops22h 06m
Scandinavian Airlines
Deal found 21/5£633
Mon 2/1115:24
SDF
-
LHR
2 stops19h 36m
Scandinavian Airlines
Mon 23/1106:40
LHR
-
SDF
2 stops22h 22m
Scandinavian Airlines
Deal found 19/5£636
Wed 9/910:31
SDF
-
LHR
1 stop16h 09m
Iberia
Tue 22/906:15
LHR
-
SDF
2 stops21h 43m
Iberia
Deal found 20/5£645
Mon 2/1117:20
SDF
-
LHR
1 stop12h 05m
Iberia
Fri 20/1111:25
LHR
-
SDF
2 stops16h 34m
Iberia
Deal found 16/5£646
Mon 30/1115:55
TYS
-
LHR
2 stops21h 35m
Scandinavian Airlines
Fri 11/1206:40
LHR
-
TYS
2 stops22h 06m
Scandinavian Airlines
Deal found 20/5£651
Wed 9/912:04
LEX
-
LHR
1 stop16h 01m
British Airways
Wed 30/907:50
LHR
-
LEX
2 stops21h 09m
British Airways
Deal found 20/5£651
Mon 2/1115:24
SDF
-
LHR
2 stops25h 16m
Scandinavian Airlines
Mon 9/1106:40
LHR
-
SDF
2 stops20h 55m
Scandinavian Airlines
Deal found 19/5£652
Tue 1/913:30
EVV
-
LHR
1 stop11h 45m
Virgin Atlantic
Wed 30/909:55
LHR
-
EVV
2 stops18h 08m
Virgin Atlantic
Deal found 21/5£653

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 21 May 2026.

Round-trip from

£360

One-way from

£200

Popular in

June

Cheapest in

October

Average price

£857
Virgin Atlantic
  • Virgin Atlantic
  • 2/11-23/11
  • 3 total stops
  • 27h 43m total
  • Kentucky to London
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 15h 40m total
  • Kentucky to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£138 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 May 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 21 May 2026.
Use the filters below to find and compare flights from Kentucky to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 10/11

11:00-07:10

2 stops15h 10m

London Heathrow

Thu 12/11

06:50-16:49

2 stops14h 59m

£627

EvansvilleLondon

EVV - LHR

EVVLHR

Evansville Dress Regional

Tue 1/9

13:30-07:15

1 stop11h 45m

London Heathrow

Wed 30/9

09:55-22:03

2 stops18h 08m

£653

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 9/11

17:57-16:00

2 stops17h 03m

London Heathrow

Wed 18/11

07:05-23:46

3 stops21h 41m

£659

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 10/11

13:00-16:00

2 stops22h 00m

London Heathrow

Fri 20/11

07:05-22:35

3 stops20h 30m

£659

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 13/11

17:45-09:20

2 stops34h 35m

London Heathrow

Wed 18/11

06:40-22:35

2 stops20h 55m

£667

EvansvilleLondon

EVV - LHR

EVVLHR

Evansville Dress Regional

Tue 1/9

13:58-12:50

1 stop16h 52m

London Heathrow

Wed 30/9

13:10-23:21

1 stop16h 11m

£667

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 7/9

07:24-09:05

1 stop20h 41m

London Heathrow

Wed 16/9

13:10-23:53

1 stop15h 43m

£670

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 7/9

15:50-11:20

1 stop14h 30m

London Heathrow

Wed 16/9

08:40-22:28

2 stops18h 48m

£673

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 17/8

19:41-11:20

1 stop10h 39m

London Heathrow

Thu 27/8

06:30-17:19

2 stops15h 49m

£675

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 19/8

12:01-07:10

2 stops14h 09m

London Heathrow

Wed 2/9

06:30-18:17

2 stops16h 47m

£677

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £336). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £707). 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?

How far ahead should I book a flight from Kentucky to London Heathrow Airport?

The price you pay for your flight from Kentucky to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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, Virgin Atlantic, and Scandinavian Airlines can get you from Kentucky to London Heathrow Airport in just under 11h 45m. Your travel time can differ by up to 5h 20m. Kentucky and London Heathrow Airport are separated by a distance of 4111 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, April is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £336). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of £707). 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
Hounslow
Milton Keynes
Croydon
Northampton
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Romford
Kingston upon Thames
Eastbourne
Ipswich
Swindon
Guildford
Southall

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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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San Francisco to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to Stansted flights
O'Hare Intl to Stansted flights
San Francisco to London City flights
O'Hare Intl to London City flights
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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.

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