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Heathrow

$212+ Cheap flights from Kentucky to Heathrow (LHR)

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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from Kentucky to Heathrow

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 June 9, 2026.

This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:15 am
TYS
-
LHR
1 stop17h 15m
United Airlines
Wed 11/116:50 am
LHR
-
TYS
2 stops17h 27m
United Airlines
Deal found 6/7$775
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 pm
TRI
-
LHR
1 stop31h 55m
United Airlines
Fri 11/136:50 am
LHR
-
TRI
2 stops14h 50m
United Airlines
Deal found 6/8$780
This Cheapflightsfares deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:55 pm
TYS
-
LHR
2 stops19h 05m
Scandinavian Airlines
Fri 12/116:40 am
LHR
-
TYS
2 stops20h 05m
Scandinavian Airlines
Deal found 6/8$850
This Iberia deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:01 pm
SDF
-
LHR
1 stop13h 14m
Iberia
Tue 9/226:15 am
LHR
-
SDF
2 stops21h 18m
Iberia
Deal found 6/8$866
This Travelocity deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:01 pm
LEX
-
LHR
1 stop13h 14m
British Airways
Tue 10/277:30 am
LHR
-
LEX
2 stops18h 09m
British Airways
Deal found 6/7$874
This FlightHub deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:24 pm
SDF
-
LHR
2 stops25h 16m
Scandinavian Airlines
Mon 12/76:40 am
LHR
-
SDF
2 stops20h 55m
Scandinavian Airlines
Deal found 6/5$875
This FlightHub deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:30 pm
LEX
-
LHR
2 stops24h 10m
Scandinavian Airlines
Wed 11/46:40 am
LHR
-
LEX
2 stops22h 16m
Scandinavian Airlines
Deal found 6/8$875
This Expedia deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:02 pm
SDF
-
LHR
1 stop16h 23m
Iberia
Mon 12/711:25 am
LHR
-
SDF
2 stops39h 35m
Iberia
Deal found 6/5$877
This Cheapflightsfares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:55 pm
TYS
-
LHR
2 stops19h 05m
Scandinavian Airlines
Wed 12/96:40 am
LHR
-
TYS
2 stops22h 06m
Scandinavian Airlines
Deal found 6/5$878
This Scandinavian Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:57 pm
TYS
-
LHR
2 stops22h 43m
Scandinavian Airlines
Wed 12/96:40 am
LHR
-
TYS
2 stops20h 05m
Scandinavian Airlines
Deal found 6/6$880
This FlightHub deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:38 pm
SDF
-
LHR
1 stop13h 17m
British Airways
Tue 9/226:15 am
LHR
-
SDF
2 stops17h 55m
British Airways
Deal found 6/6$886
This FlightHub deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:07 pm
LEX
-
LHR
1 stop11h 18m
British Airways
Wed 11/46:15 am
LHR
-
LEX
2 stops22h 23m
British Airways
Deal found 6/8$886

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 June 9, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$775
(United Airlines)

One-way from

$212
(oojo)

Popular in

June

Cheapest in

October

Average price

$1,359
Provider with most accurate pricing for Louisville Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-London (LON) flights.
Search Deals
From Kentucky to London Heathrow
Search Deals
One-way flight from Kentucky to London Heathrow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($255 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated June 9, 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 round-trip

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 11/9

9:15 am-7:30 am

1 stop17h 15m

London Heathrow

Wed 11/11

6:50 am-7:17 pm

2 stops17h 27m

$775

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Sun 10/25

7:07 pm-11:35 am

1 stop12h 28m

London Heathrow

Tue 11/3

6:05 am-11:38 pm

2 stops22h 33m

$886

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Fri 8/21

3:32 pm-9:20 am

2 stops36h 48m

London Heathrow

Sat 12/5

10:20 am-9:26 pm

2 stops40h 06m

$894

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 9/7

7:40 am-9:05 am

1 stop20h 25m

London Heathrow

Wed 9/16

12:55 pm-10:49 pm

1 stop14h 54m

$898

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 11/30

7:00 am-9:00 am

1 stop21h 00m

London Heathrow

Wed 12/9

6:30 am-6:38 pm

2 stops17h 08m

$905

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 9/7

6:00 am-7:15 am

1 stop20h 15m

London Heathrow

Wed 9/16

6:30 am-10:25 pm

2 stops20h 55m

$905

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Sun 10/18

5:55 pm-11:20 am

1 stop12h 25m

London Heathrow

Fri 10/23

6:30 am-5:10 pm

2 stops15h 40m

$905

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 11/10

11:00 am-7:10 am

2 stops15h 10m

London Heathrow

Fri 11/13

6:50 am-4:40 pm

2 stops14h 50m

$908

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 9/14

11:00 am-6:55 am

2 stops14h 55m

London Heathrow

Wed 9/23

7:30 am-7:07 pm

2 stops16h 37m

$920

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Sat 8/22

4:30 pm-9:20 am

2 stops35h 50m

London Heathrow

Sat 12/5

10:20 am-9:26 pm

2 stops40h 06m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

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 round-trip 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 $451). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of $948). 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 to fly round-trip 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?

    Departing from Kentucky to London Heathrow Airport will take you 12h 28m. The distance from Kentucky to London Heathrow Airport is about 3995 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Kentucky to London Heathrow Airport?

    Most travelers choose Nashville Intl - London Heathrow, Cincinnati Cinci./N. Kentucky - London Heathrow or Knoxville McGhee Tyson - London Heathrow when deciding on the best route from Kentucky to London Heathrow Airport.

  • 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 vacation 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 $451). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of $948). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

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.

Top 6 airlines flying from Kentucky to Heathrow

Discover the top 6 airlines that operate flights from Kentucky to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$573Average$885FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$574Average$716FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$577Average$774FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$589Average$973FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$631Average$911FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$678Average$1,091FlexibilityNo cancel feeOn-time69%

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