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Heathrow

$235+ 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
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$640
(Booking.com)

One-way from

$235
(FlightHub)

Popular in

June

Cheapest in

October

Average price

$1,380
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. 18% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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 10/67:15 amTYS - LHR
2 stops30h 35mMultiple Airlines
Mon 10/1311:20 amLHR - TYS
2 stops29h 35mMultiple Airlines
Deal found 6/11$551
This Booking.com deal was found by Cheapflights users on 6/11. 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 7/307:00 amSDF - LHR
2 stops22h 00mAir Canada
Fri 10/32:05 pmLHR - SDF
2 stops27h 13mAir Canada
Deal found 6/11$640
This Gotogate deal was found by Cheapflights users on 6/10. 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.
Wed 10/298:45 amSDF - LHR
2 stops18h 25mMultiple Airlines
Fri 11/76:30 amLHR - SDF
2 stops18h 44mMultiple Airlines
Deal found 6/10$642
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/271:30 pmCVG - LHR
1 stop12h 00mUnited Airlines
Wed 10/152:05 pmLHR - CVG
2 stops28h 02mUnited Airlines
Deal found 6/10$648
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Wed 8/279:30 amCVG - LHR
2 stops16h 00mAir Canada
Wed 10/152:05 pmLHR - CVG
2 stops28h 02mAir Canada
Deal found 6/10$655
This Delta deal was found by Cheapflights users on 6/9. 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 8/611:00 amCVG - LHR
1 stop16h 50mDelta
Wed 8/206:15 amLHR - CVG
1 stop13h 55mDelta
Deal found 6/9$657
This Netflights deal was found by Cheapflights users on 6/11. 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 7/303:21 pmSDF - LHR
1 stop10h 54mVirgin Atlantic
Fri 10/39:20 amLHR - SDF
1 stop12h 30mVirgin Atlantic
Deal found 6/11$659
This Orbitz deal was found by Cheapflights users on 6/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/284:03 pmCVG - LHR
1 stop11h 02mBritish Airways
Mon 8/187:25 pmLHR - CVG
2 stops28h 08mBritish Airways
Deal found 6/9$662
This lastminute.com deal was found by Cheapflights users on 6/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:43 pmTYS - LHR
2 stops34h 42mVirgin Atlantic
Tue 8/196:15 amLHR - TYS
2 stops18h 51mVirgin Atlantic
Deal found 6/11$665
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/2012:00 pmTYS - LHR
1 stop14h 40mUnited Airlines
Wed 8/272:05 pmLHR - TYS
2 stops31h 55mUnited Airlines
Deal found 6/10$673
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/1410:55 amSDF - LHR
1 stop14h 25mUnited Airlines
Tue 10/212:05 pmLHR - SDF
2 stops29h 46mUnited Airlines
Deal found 6/10$673
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/227:00 amLEX - LHR
1 stop18h 20mUnited Airlines
Tue 9/302:05 pmLHR - LEX
2 stops32h 15mUnited Airlines
Deal found 6/10$673

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 June 12, 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

Wed 7/30

7:00 am-10:00 am

2 stops22h 00m

London Heathrow

Fri 10/3

2:05 pm-12:18 pm

2 stops27h 13m

$640

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 8/27

1:30 pm-6:30 am

1 stop12h 00m

London Heathrow

Wed 10/15

2:05 pm-1:07 pm

2 stops28h 02m

$648

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 8/27

9:30 am-6:30 am

2 stops16h 00m

London Heathrow

Wed 10/15

2:05 pm-1:07 pm

2 stops28h 02m

$655

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 8/6

11:00 am-8:50 am

1 stop16h 50m

London Heathrow

Wed 8/20

6:15 am-3:10 pm

1 stop13h 55m

$657

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 7/30

3:21 pm-7:15 am

1 stop10h 54m

London Heathrow

Fri 10/3

9:20 am-4:50 pm

1 stop12h 30m

$659

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Mon 7/28

4:03 pm-8:05 am

1 stop11h 02m

London Heathrow

Mon 8/18

7:25 pm-6:33 pm

2 stops28h 08m

$662

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 8/4

7:43 pm-11:25 am

2 stops34h 42m

London Heathrow

Tue 8/19

6:15 am-8:06 pm

2 stops18h 51m

$665

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 8/20

12:00 pm-7:40 am

1 stop14h 40m

London Heathrow

Wed 8/27

2:05 pm-5:00 pm

2 stops31h 55m

$673

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 7/30

2:10 pm-6:20 am

1 stop11h 10m

London Heathrow

Fri 10/3

2:05 pm-1:21 pm

2 stops28h 16m

$673

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 10/8

4:59 pm-7:50 am

1 stop9h 51m

London Heathrow

Wed 10/15

9:45 am-4:13 pm

1 stop11h 28m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $1,108). 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 June 12, 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 June 12, 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
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $235. However, be on the lookout for offers from JetBlue and Air Canada, 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 $1,108). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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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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John F Kennedy Intl to Gatwick flights
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Dulles Intl to London City flights
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John F Kennedy Intl to Luton flights
Boston to London City flights
Los Angeles to London City flights
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Los Angeles to Gatwick flights
Philadelphia to Heathrow flights
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Dallas/Fort Worth to Gatwick flights
Seattle to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Detroit to Heathrow flights
O'Hare Intl to London City flights
Newark to Stansted flights
George Bush Intcntl to Heathrow flights
Sky Harbor Intl to Heathrow flights
San Francisco to London City flights
Boston to Stansted flights
Portland to Heathrow flights
Seattle to London City flights
Newark to Luton flights
Charlotte to Heathrow flights
Austin to Heathrow 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$619Average$794FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$692Average$948FlexibilityNo cancel feeOn-time71%
DeltaCheapest$700Average$939FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$734Average$996FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$776Average$1,242FlexibilityNo cancel feeOn-time72%

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