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Heathrow

$220+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
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 December 26, 2025.

This Priceline deal was found by Cheapflights users on 12/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:40 amBNA - LHR
1 stop16h 50mJetBlue
Sat 1/108:05 amLHR - BNA
1 stop32h 08mJetBlue
Deal found 12/25$726
This Cheapflightsfares deal was found by Cheapflights users on 12/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:19 pmCVG - LHR
1 stop10h 36mLufthansa
Fri 1/912:50 pmLHR - CVG
1 stop13h 40mLufthansa
Deal found 12/24$789
This Cheapflightsfares deal was found by Cheapflights users on 12/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:08 pmCVG - LHR
1 stop11h 17mLufthansa
Mon 1/127:30 pmLHR - CVG
2 stops30h 16mLufthansa
Deal found 12/24$792
This Priceline deal was found by Cheapflights users on 12/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:01 pmBNA - LHR
1 stop12h 54mJetBlue
Wed 1/147:25 amLHR - BNA
1 stop32h 48mJetBlue
Deal found 12/25$794
This oojo deal was found by Cheapflights users on 12/23. 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.
Wed 12/312:00 pmSDF - LHR
1 stop13h 15mBritish Airways
Thu 1/84:40 pmLHR - SDF
2 stops30h 50mBritish Airways
Deal found 12/23$805
This United Airlines deal was found by Cheapflights users on 12/24. 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.
Tue 12/304:08 pmCVG - LHR
1 stop11h 17mUnited Airlines
Fri 1/99:00 amLHR - CVG
2 stops37h 46mUnited Airlines
Deal found 12/24$815
This Delta deal was found by Cheapflights users on 12/25. 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.
Tue 12/3011:00 amCVG - LHR
1 stop15h 05mDelta
Fri 1/96:20 amLHR - CVG
2 stops15h 49mDelta
Deal found 12/25$817
This Finnair deal was found by Cheapflights users on 12/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:44 pmSDF - LHR
1 stop10h 36mMultiple Airlines
Thu 1/82:45 pmLHR - SDF
1 stop12h 27mMultiple Airlines
Deal found 12/23$821
This Gotogate deal was found by Cheapflights users on 12/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:40 pmCVG - LHR
1 stop30h 50mMultiple Airlines
Fri 1/911:10 amLHR - CVG
1 stop11h 50mMultiple Airlines
Deal found 12/24$823
This Ovago deal was found by Cheapflights users on 12/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 amBNA - LHR
1 stop16h 55mJetBlue
Wed 1/147:25 amLHR - BNA
1 stop32h 48mJetBlue
Deal found 12/25$834
This Mytrip deal was found by Cheapflights users on 12/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:40 pmCVG - LHR
2 stops20h 55mAir Canada
Fri 1/99:00 amLHR - CVG
2 stops14h 00mAir Canada
Deal found 12/24$837
This Priceline deal was found by Cheapflights users on 12/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:01 pmBNA - LHR
1 stop12h 54mJetBlue
Mon 1/129:20 amLHR - BNA
1 stop29h 45mJetBlue
Deal found 12/25$862

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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$562
(Kiwi.com)

One-way from

$220
(oojo)

Popular in

June

Cheapest in

October

Average price

$1,287
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. 16% potential increase in price ($193 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 December 2025
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 December 26, 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

Thu 1/29

1:59 pm-5:55 am

1 stop10h 56m

London Heathrow

Tue 2/3

7:40 am-7:27 pm

2 stops16h 47m

$598

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 1/28

2:25 pm-10:25 am

2 stops15h 00m

London Heathrow

Mon 2/9

6:35 am-7:27 pm

2 stops17h 52m

$607

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Fri 1/23

5:32 pm-11:15 am

1 stop12h 43m

London Heathrow

Fri 1/30

7:25 am-8:31 pm

1 stop18h 06m

$623

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sat 2/7

1:59 pm-5:55 am

1 stop10h 56m

London Heathrow

Sun 2/15

12:05 pm-7:29 pm

1 stop12h 24m

$624

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 1/23

11:07 am-5:55 am

1 stop13h 48m

London Heathrow

Tue 1/27

6:50 am-4:53 pm

2 stops15h 03m

$628

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Fri 2/27

10:35 am-5:55 am

1 stop14h 20m

London Heathrow

Wed 3/4

6:50 am-8:09 pm

2 stops18h 19m

$628

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Thu 2/5

10:16 am-7:50 am

1 stop16h 34m

London Heathrow

Fri 2/13

11:45 am-9:34 am

2 stops26h 49m

$629

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Wed 2/4

2:00 pm-5:55 am

1 stop10h 55m

London Heathrow

Sun 2/8

9:00 am-8:31 pm

2 stops16h 31m

$629

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 2/13

2:38 pm-6:25 am

1 stop10h 47m

London Heathrow

Mon 2/16

6:30 am-8:55 pm

2 stops19h 25m

$630

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 2/20

9:15 am-7:30 am

1 stop17h 15m

London Heathrow

Tue 2/24

6:50 am-8:09 pm

2 stops18h 19m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

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 December 26, 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.

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 14h 20m. 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 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, 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Hayes
Orpington
Northampton
Watford
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
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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Dallas/Fort Worth to Gatwick flights
Dulles Intl to Stansted flights
Los Angeles to London City flights
Boston to Stansted flights
San Francisco to Gatwick flights
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Charlotte to Heathrow flights

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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$564Average$933FlexibilityNo cancel feeOn-time72%
DeltaCheapest$573Average$897FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$574Average$630FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$598Average$794FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$678Average$874FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$692Average$999FlexibilityNo cancel feeOn-time71%

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