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Heathrow

$253+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$556
(Netflights)

One-way from

$253
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,036
Provider with most accurate pricing for Louisville Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-London (LON) flights.
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From Kentucky to London Heathrow
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One-way flight from Kentucky to London Heathrow
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Highest demand for flights based on searches. 17% potential increase in price ($214 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 6, 2025.

This Netflights deal was found by Cheapflights users on 11/5. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:07 amEVV - LHR
1 stop19h 43mVirgin Atlantic
Wed 12/1010:45 amLHR - EVV
1 stop12h 26mVirgin Atlantic
Deal found 11/5$556
This oojo deal was found by Cheapflights users on 11/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:30 pmBNA - LHR
1 stop20h 00mIcelandair
Sun 11/2312:15 pmLHR - BNA
1 stop12h 15mIcelandair
Deal found 11/5$562
This oojo deal was found by Cheapflights users on 11/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:30 pmBNA - LHR
1 stop20h 00mIcelandair
Wed 12/178:35 pmLHR - BNA
1 stop27h 55mIcelandair
Deal found 11/6$563
This Billigflug deal was found by Cheapflights users on 11/5. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:16 pmSDF - LHR
1 stop12h 24mVirgin Atlantic
Tue 11/258:55 amLHR - SDF
1 stop15h 17mVirgin Atlantic
Deal found 11/5$570
This Expedia deal was found by Cheapflights users on 11/5. 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.
Sun 11/96:03 pmSDF - LHR
1 stop9h 42mKLM
Tue 11/256:30 amLHR - SDF
2 stops15h 46mKLM
Deal found 11/5$581
This Delta deal was found by Cheapflights users on 11/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:36 pmTYS - LHR
1 stop10h 24mDelta
Tue 12/1611:05 amLHR - TYS
1 stop17h 13mDelta
Deal found 11/6$586
This CrystalTravel deal was found by Cheapflights users on 11/5. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:30 pmBNA - LHR
1 stop11h 20mIcelandair
Sun 11/1612:15 pmLHR - BNA
1 stop12h 15mIcelandair
Deal found 11/5$586
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:03 pmSDF - LHR
1 stop9h 42mDelta
Tue 11/2510:45 amLHR - SDF
1 stop13h 27mDelta
Deal found 11/5$586
This oojo deal was found by Cheapflights users on 11/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:30 pmBNA - LHR
1 stop20h 00mIcelandair
Sun 11/2312:15 pmLHR - BNA
1 stop12h 15mIcelandair
Deal found 11/5$587
This oojo deal was found by Cheapflights users on 11/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:30 pmBNA - LHR
1 stop20h 00mIcelandair
Sat 11/228:35 pmLHR - BNA
1 stop27h 55mIcelandair
Deal found 11/6$588
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:53 pmTYS - LHR
1 stop12h 07mDelta
Tue 11/186:20 amLHR - TYS
2 stops18h 40mDelta
Deal found 11/5$589
This Delta deal was found by Cheapflights users on 11/4. 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 11/52:25 pmCVG - LHR
1 stop16h 00mDelta
Wed 11/126:20 amLHR - CVG
2 stops16h 53mDelta
Deal found 11/4$589

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 November 6, 2025.
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

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 11/24

12:49 pm-8:45 am

1 stop14h 56m

London Heathrow

Thu 12/18

11:05 am-11:18 pm

1 stop17h 13m

$586

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 11/12

3:53 pm-9:00 am

1 stop12h 07m

London Heathrow

Tue 11/18

6:20 am-8:00 pm

2 stops18h 40m

$589

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 12/2

12:58 pm-7:50 am

1 stop13h 52m

London Heathrow

Tue 12/9

6:20 am-6:45 pm

2 stops17h 25m

$589

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Mon 11/17

5:30 pm-7:30 pm

1 stop20h 00m

London Heathrow

Wed 11/26

8:35 pm-6:30 pm

1 stop27h 55m

$590

EvansvilleLondon

EVV - LHR

EVVLHR

Evansville Dress Regional

Wed 12/3

6:07 am-6:25 am

1 stop18h 18m

London Heathrow

Wed 12/10

6:30 am-9:47 pm

2 stops21h 17m

$590

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 11/19

2:45 pm-6:50 am

1 stop11h 05m

London Heathrow

Wed 11/26

11:45 am-10:48 pm

2 stops16h 03m

$591

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 11/12

3:53 pm-9:00 am

1 stop12h 07m

London Heathrow

Tue 11/18

10:45 am-8:06 pm

1 stop14h 21m

$596

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Mon 11/10

7:52 pm-11:40 am

1 stop10h 48m

London Heathrow

Fri 11/28

9:40 am-8:32 pm

1 stop15h 52m

$596

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 12/10

5:47 pm-8:45 am

1 stop9h 58m

London Heathrow

Wed 12/24

12:30 pm-9:16 pm

1 stop13h 46m

$596

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 12/2

3:18 pm-7:50 am

1 stop11h 32m

London Heathrow

Tue 12/9

1:00 pm-9:13 pm

1 stop13h 13m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of $571). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of $918). 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.

What is the cheapest time of day to fly from KY to LHR?

Find hourly flight availability from Kentucky to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

When flying from Kentucky to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 1% versus a flight in the evening.

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 07m. 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 cheapest airlines to fly from Kentucky to London Heathrow Airport one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $313. However, be on the lookout for offers from Scandinavian Airlines and Lufthansa, as they are both options that can get you from Kentucky to London Heathrow Airport for a low price.

  • 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 Lexington Blue Grass - 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, November is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of $571). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of $918). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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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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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$564Average$933FlexibilityNo cancel feeOn-time72%
DeltaCheapest$573Average$897FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$574Average$795FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$598Average$793FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$678Average$874FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$692Average$1,022FlexibilityNo cancel feeOn-time71%

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