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Heathrow

$316+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
May 24 — May 311
Sun 5/24
Sun 5/31
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 April 24, 2026.

This United Airlines deal was found by Cheapflights users on 4/22. 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 11/97:00 pm
TRI
-
LHR
1 stop11h 15m
United Airlines
Wed 11/1111:05 am
LHR
-
TRI
2 stops42h 09m
United Airlines
Deal found 4/22$776
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Wed 11/112:00 pm
LEX
-
LHR
1 stop16h 15m
United Airlines
Fri 11/136:50 am
LHR
-
LEX
2 stops18h 33m
United Airlines
Deal found 4/22$776
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:14 pm
SDF
-
LHR
1 stop29h 36m
British Airways
Fri 11/66:15 am
LHR
-
SDF
2 stops21h 44m
British Airways
Deal found 4/23$781
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 10/211:55 pm
SDF
-
LHR
1 stop17h 00m
United Airlines
Fri 10/238:40 am
LHR
-
SDF
2 stops16h 34m
United Airlines
Deal found 4/21$782
This United Airlines deal was found by Cheapflights users on 4/23. 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 11/32:20 pm
SDF
-
LHR
2 stops35h 50m
United Airlines
Fri 11/66:35 am
LHR
-
SDF
2 stops17h 34m
United Airlines
Deal found 4/23$787
This FlightHub deal was found by Cheapflights users on 4/20. 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.
Mon 11/25:30 pm
BNA
-
LHR
1 stop20h 00m
Icelandair
Sun 11/812:15 pm
LHR
-
BNA
1 stop12h 15m
Icelandair
Deal found 4/20$818
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:30 pm
BNA
-
LHR
1 stop20h 00m
Icelandair
Wed 11/188:35 pm
LHR
-
BNA
1 stop27h 55m
Icelandair
Deal found 4/21$819
This FlightHub deal was found by Cheapflights users on 4/20. 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.
Mon 11/25:30 pm
BNA
-
LHR
1 stop11h 20m
Icelandair
Sat 11/78:35 pm
LHR
-
BNA
1 stop27h 55m
Icelandair
Deal found 4/20$820
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:50 pm
BNA
-
LHR
2 stops20h 10m
Multiple Airlines
Tue 5/196:00 am
LHR
-
BNA
3 stops20h 56m
Multiple Airlines
Deal found 4/20$821
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:55 pm
BNA
-
LHR
1 stop17h 25m
Icelandair
Thu 10/19:25 pm
LHR
-
BNA
1 stop28h 05m
Icelandair
Deal found 4/21$827
This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 pm
BNA
-
LHR
1 stop17h 25m
Icelandair
Sun 8/239:25 pm
LHR
-
BNA
1 stop28h 05m
Icelandair
Deal found 4/21$828
This Gotogate deal was found by Cheapflights users on 4/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:55 pm
BNA
-
LHR
1 stop33h 00m
Icelandair
Tue 5/199:25 pm
LHR
-
BNA
1 stop28h 05m
Icelandair
Deal found 4/20$829

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$782
(United Airlines)

One-way from

$316
(CrystalTravel)

Popular in

June

Cheapest in

October

Average price

$937
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. 17% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 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

EvansvilleLondon

EVV - LHR

EVVLHR

Evansville Dress Regional

Sun 8/23

5:13 pm-11:15 am

1 stop12h 02m

London Heathrow

Fri 12/4

3:00 pm-10:58 pm

1 stop13h 58m

$897

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 8/10

10:53 am-10:00 am

2 stops18h 07m

London Heathrow

Fri 8/28

10:50 am-12:17 am

2 stops18h 27m

$910

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 9/2

4:00 pm-12:05 pm

2 stops15h 05m

London Heathrow

Wed 9/9

11:45 am-11:50 pm

2 stops17h 05m

$911

EvansvilleLondon

EVV - LHR

EVVLHR

Evansville Dress Regional

Sun 8/23

1:30 pm-10:40 am

2 stops15h 10m

London Heathrow

Fri 12/4

6:30 am-10:03 pm

2 stops21h 33m

$913

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Fri 9/11

5:45 pm-10:40 am

1 stop11h 55m

London Heathrow

Fri 9/18

6:30 am-6:06 pm

2 stops16h 36m

$918

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 8/11

7:08 am-10:55 am

1 stop22h 47m

London Heathrow

Tue 8/18

3:15 pm-11:53 pm

1 stop13h 38m

$929

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 9/2

5:45 am-6:30 am

2 stops19h 45m

London Heathrow

Wed 9/9

4:40 pm-11:57 pm

1 stop12h 17m

$938

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Mon 8/3

10:12 am-6:45 am

1 stop15h 33m

London Heathrow

Fri 8/21

2:05 pm-12:09 am

2 stops15h 04m

$938

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Thu 9/17

7:06 pm-11:15 am

1 stop11h 09m

London Heathrow

Tue 9/22

7:55 am-11:59 pm

2 stops21h 04m

$939

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 9/1

3:50 pm-10:40 am

2 stops13h 50m

London Heathrow

Tue 9/22

11:45 am-10:28 pm

2 stops15h 43m

$940

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

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

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

To ensure you get the cheapest price possible for a flight from Kentucky to London Heathrow Airport, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 15h 05m. The distance from Kentucky to London Heathrow Airport is about 4076 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 Louisville Intl - 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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Kentucky to Heathrow

Discover the top 5 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$571Average$812FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$577Average$799FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$589Average$959FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$631Average$979FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$678Average$975FlexibilityNo cancel feeOn-time69%

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