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Heathrow

$171+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This Iberia deal was found by Cheapflights users on 7/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:26 am
SDF
-
LHR
1 stop19h 24m
Iberia
Tue 11/36:05 am
LHR
-
SDF
2 stops20h 31m
Iberia
Deal found 7/20$862
This Iberia deal was found by Cheapflights users on 7/23. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:14 pm
SDF
-
LHR
1 stop13h 01m
Iberia
Wed 10/286:15 am
LHR
-
SDF
2 stops19h 20m
Iberia
Deal found 7/23$865
This Iberia deal was found by Cheapflights users on 7/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:59 pm
SDF
-
LHR
1 stop13h 16m
Iberia
Tue 9/296:15 am
LHR
-
SDF
2 stops21h 18m
Iberia
Deal found 7/22$866
This Virgin Atlantic deal was found by Cheapflights users on 7/20. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:04 am
EVV
-
LHR
1 stop16h 46m
Virgin Atlantic
Tue 11/36:30 am
LHR
-
EVV
2 stops21h 28m
Virgin Atlantic
Deal found 7/20$874
This Iberia deal was found by Cheapflights users on 7/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:41 pm
SDF
-
LHR
2 stops20h 49m
Iberia
Tue 11/36:05 am
LHR
-
SDF
2 stops20h 31m
Iberia
Deal found 7/22$874
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 pm
EVV
-
LHR
1 stop12h 40m
Delta
Fri 11/138:40 am
LHR
-
EVV
2 stops19h 23m
Delta
Deal found 7/21$876
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:45 pm
EVV
-
LHR
1 stop11h 55m
Delta
Tue 12/156:30 am
LHR
-
EVV
2 stops16h 24m
Delta
Deal found 7/21$877
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:20 pm
TYS
-
LHR
2 stops15h 30m
Lufthansa
Wed 11/188:45 am
LHR
-
TYS
2 stops20h 11m
Lufthansa
Deal found 7/22$879
This FlightHub deal was found by Cheapflights users on 7/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:42 pm
SDF
-
LHR
1 stop10h 33m
British Airways
Mon 11/166:45 pm
LHR
-
SDF
2 stops20h 37m
British Airways
Deal found 7/22$879
This Iberia deal was found by Cheapflights users on 7/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:31 am
TYS
-
LHR
1 stop16h 04m
Iberia
Wed 11/116:15 am
LHR
-
TYS
2 stops22h 32m
Iberia
Deal found 7/20$882
This FlightHub deal was found by Cheapflights users on 7/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:20 pm
SDF
-
LHR
1 stop20h 40m
British Airways
Thu 11/126:15 am
LHR
-
SDF
2 stops20h 21m
British Airways
Deal found 7/23$883
This United Airlines deal was found by Cheapflights users on 7/24. 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 11/119:58 am
TYS
-
LHR
1 stop17h 27m
United Airlines
Wed 11/186:50 am
LHR
-
TYS
2 stops15h 09m
United Airlines
Deal found 7/24$884

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 July 25, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$862
(Iberia)

One-way from

$171
(KAYAK)

Popular in

June

Cheapest in

November

Average price

$1,285
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. 22% potential increase in price ($287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 25, 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

Wed 10/14

10:04 am-6:25 am

1 stop14h 21m

London Heathrow

Wed 10/28

8:55 am-5:19 pm

1 stop13h 24m

$915

EvansvilleLondon

EVV - LHR

EVVLHR

Evansville Dress Regional

Fri 11/13

5:45 pm-11:40 am

1 stop11h 55m

London Heathrow

Wed 11/18

6:30 am-4:54 pm

2 stops16h 24m

$926

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 10/4

1:50 pm-11:55 am

1 stop17h 05m

London Heathrow

Mon 10/12

6:50 am-5:40 pm

2 stops15h 50m

$936

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 9/22

1:55 pm-10:00 am

1 stop15h 05m

London Heathrow

Tue 10/6

6:50 am-7:06 pm

2 stops17h 16m

$944

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 11/3

4:40 pm-11:40 am

1 stop14h 00m

London Heathrow

Sat 11/14

10:10 am-5:08 pm

1 stop11h 58m

$945

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 9/15

10:40 pm-11:30 am

Nonstop7h 50m

London Heathrow

Wed 9/23

7:50 am-9:04 pm

2 stops18h 14m

$946

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 9/8

7:40 am-11:15 am

1 stop22h 35m

London Heathrow

Tue 9/15

11:10 am-11:56 pm

1 stop17h 46m

$947

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 10/2

10:42 am-6:45 am

1 stop15h 03m

London Heathrow

Mon 10/12

5:55 pm-5:08 pm

2 stops28h 13m

$947

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Mon 8/24

1:55 pm-10:00 am

1 stop15h 05m

London Heathrow

Mon 8/31

11:05 am-7:06 pm

2 stops37h 01m

$957

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 9/7

12:30 pm-9:05 am

1 stop15h 35m

London Heathrow

Wed 9/16

12:15 pm-11:56 pm

1 stop16h 41m

$959

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

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, February is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of $630). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of $1,472). 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?

Airfare is below average for this route at the moment.
Kentucky to London Heathrow Airport flights typically cost between $1,062 and $1,298 in October.
The cheapest round-trip price found within the last 5 days was $862 on Iberia (Oct 20-Nov 3).

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 7h 40m. The distance from Kentucky to London Heathrow Airport is about 3950 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, February is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of $630). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of $1,472). 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
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

Browse thousands of different options on Cheapflights for your next trip

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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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$517Average$675FlexibilityNo cancel feeOn-time72%
DeltaCheapest$573Average$968FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$574Average$716FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$606Average$1,126FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$631Average$922FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$705Average$1,091FlexibilityNo cancel feeOn-time69%

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