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Heathrow

$245+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$644
(Delta)

One-way from

$278
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$856
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 ($204 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 9/89:50 pmCVG - LHR
Nonstop7h 50mIberia
Wed 10/14:30 pmLHR - CVG
Nonstop8h 35mIberia
Deal found 4/29$632
This Delta deal was found by Cheapflights users on 4/29. 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 10/132:59 pmSDF - LHR
1 stop17h 31mDelta
Wed 10/226:15 amLHR - SDF
2 stops16h 24mDelta
Deal found 4/29$644
This Delta deal was found by Cheapflights users on 4/29. 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 5/612:01 pmLEX - LHR
1 stop15h 54mDelta
Tue 5/2011:30 amLHR - LEX
2 stops17h 21mDelta
Deal found 4/29$644
This World Air Fares deal was found by Cheapflights users on 4/29. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:50 pmCVG - LHR
1 stop10h 55mMultiple Airlines
Wed 10/16:00 amLHR - CVG
2 stops15h 50mMultiple Airlines
Deal found 4/29$655
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 10/197:25 pmCVG - LHR
1 stop10h 15mUnited Airlines
Fri 10/316:30 amLHR - CVG
2 stops15h 30mUnited Airlines
Deal found 4/28$683
This World Air Fares deal was found by Cheapflights users on 4/29. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:06 pmCVG - LHR
2 stops17h 54mSWISS
Wed 10/16:00 amLHR - CVG
2 stops15h 50mSWISS
Deal found 4/29$687
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 10/712:30 pmCVG - LHR
2 stops23h 30mScandinavian Airlines
Tue 10/1410:35 amLHR - CVG
2 stops35h 28mScandinavian Airlines
Deal found 4/29$689
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:30 pmCVG - LHR
1 stop15h 05mAir Canada
Tue 10/213:50 pmLHR - CVG
2 stops26h 19mAir Canada
Deal found 4/28$692
This Delta deal was found by Cheapflights users on 4/28. 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 9/1011:00 amCVG - LHR
1 stop16h 50mDelta
Tue 9/166:15 amLHR - CVG
1 stop14h 00mDelta
Deal found 4/28$694
This Expedia deal was found by Cheapflights users on 4/29. 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 8/205:53 pmBNA - LHR
1 stop10h 37mIberia
Wed 8/276:15 amLHR - BNA
2 stops18h 33mIberia
Deal found 4/29$702
This The Travel House deal was found by Cheapflights users on 4/29. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:00 amBNA - LHR
1 stop32h 45mIcelandair
Tue 5/1311:55 amLHR - BNA
1 stop30h 45mIcelandair
Deal found 4/29$703
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/126:00 amBNA - LHR
2 stops23h 55mMultiple Airlines
Wed 5/283:05 pmLHR - BNA
3 stops37h 01mMultiple Airlines
Deal found 4/29$704

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 30, 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

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 10/13

2:59 pm-1:30 pm

1 stop17h 31m

London Heathrow

Wed 10/22

6:15 am-5:39 pm

2 stops16h 24m

$644

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Mon 9/22

11:00 am-8:55 am

1 stop16h 55m

London Heathrow

Tue 9/30

6:15 am-9:36 pm

2 stops20h 21m

$644

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Tue 5/6

6:00 am-8:45 pm

1 stop32h 45m

London Heathrow

Tue 5/13

11:55 am-12:40 pm

1 stop30h 45m

$703

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Mon 5/12

6:00 am-11:55 am

2 stops23h 55m

London Heathrow

Wed 5/28

3:05 pm-10:06 pm

3 stops37h 01m

$704

EvansvilleLondon

EVV - LHR

EVVLHR

Evansville Dress Regional

Sun 9/21

7:06 pm-12:45 pm

1 stop11h 39m

London Heathrow

Fri 10/3

11:05 am-4:38 pm

1 stop11h 33m

$708

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Tue 5/20

12:15 pm-11:00 am

1 stop16h 45m

London Heathrow

Tue 5/27

11:20 am-6:40 pm

1 stop13h 20m

$709

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Tue 9/23

10:45 am-8:20 am

1 stop16h 35m

London Heathrow

Tue 10/7

2:05 pm-5:15 pm

2 stops32h 10m

$710

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Tue 9/30

1:59 pm-6:30 am

2 stops35h 31m

London Heathrow

Tue 10/7

9:30 am-8:48 pm

2 stops40h 18m

$715

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 10/13

2:59 pm-5:40 pm

2 stops21h 41m

London Heathrow

Wed 10/22

6:40 pm-10:30 pm

2 stops32h 50m

$717

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 9/5

1:30 pm-9:00 pm

2 stops50h 30m

London Heathrow

Fri 10/3

6:30 am-10:24 pm

2 stops20h 54m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 $661). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 April 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to London Heathrow Airport as you normally would.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated April 30, 2025.
To help decide which airline to fly from Kentucky to London, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Kentucky to London Heathrow Airport one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $294. However, be on the lookout for offers from JetBlue and Delta, 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 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 $661). Flying from Kentucky to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 Kentucky?

Book flights to Kentucky if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
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O'Hare Intl to Heathrow flights
LaGuardia to Gatwick flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
Newark to London City flights
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John F Kennedy Intl to Stansted flights
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Reagan-National to Heathrow flights
Boston to London City flights
Hobby to Heathrow flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
Los Angeles to London City flights
Philadelphia to Heathrow flights
Stewart to Stansted flights
John F Kennedy Intl to Luton flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Tampa to Heathrow flights
Baltimore to Gatwick flights
Seattle to Gatwick flights
San Francisco to Gatwick flights
Austin to Heathrow flights
San Francisco to London City flights
Sky Harbor Intl to Heathrow flights
Los Angeles to Gatwick flights
O'Hare Intl to Gatwick flights
Portland to Heathrow flights
Minneapolis to Heathrow flights
Los Angeles to Luton flights
Orlando to Gatwick flights
Charlotte to Heathrow flights
O'Hare Intl to London City flights
Raleigh to Heathrow flights
Dallas/Fort Worth to Gatwick flights

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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$611Average$909FlexibilityNo cancel feeOn-time70%
DeltaCheapest$700Average$914FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$708Average$964FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$727Average$965FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$777Average$1,242FlexibilityNo cancel feeOn-time72%

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