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Cheap flights from London Heathrow Airport to Kentucky from £263

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
13 Jul — 20 Jul1
1 adult

Cheap flight deals from Heathrow to Kentucky

Keep the following information in mind while searching for Heathrow to Kentucky flight deals. Data was last updated 8 July 2025.

Round-trip from

£479

One-way from

£263

Popular in

July

Cheapest in

September

Average price

£886
United Airlines
  • United Airlines
  • 6/11-6/12
  • 3 total stops
  • 33h 15m total
  • London to Kentucky
27/8
  • 27/8
  • 2 total stops
  • 26h 37m total
  • London to Kentucky
Highest demand for flights based on searches. 21% potential increase in price (£119 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Heathrow to Kentucky

Cheapest flights from Heathrow to Kentucky
Explore the most affordable flight options available from Heathrow to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Wed 17/908:40LHR - TYS
2 stops20h 17mUnited Airlines
Tue 30/914:01TYS - LHR
1 stop11h 54mUnited Airlines
Deal found 6/7£480
Mon 3/1108:55LHR - LEX
2 stops16h 59mUnited Airlines
Mon 17/1113:59LEX - LHR
1 stop12h 56mUnited Airlines
Deal found 6/7£480
Tue 23/906:10LHR - TYS
2 stops19h 50mBritish Airways
Sun 28/916:49TYS - LHR
1 stop33h 31mBritish Airways
Deal found 6/7£491
Fri 26/912:15LHR - SDF
1 stop13h 33mMultiple Airlines
Sat 4/1019:20SDF - LHR
1 stop30h 00mMultiple Airlines
Deal found 7/7£493
Mon 3/1112:35LHR - LEX
1 stop15h 19mBritish Airways
Mon 17/1119:14LEX - LHR
1 stop10h 11mBritish Airways
Deal found 6/7£493
Fri 12/911:05LHR - SDF
1 stop16h 19mLufthansa
Mon 15/914:20SDF - LHR
1 stop11h 35mLufthansa
Deal found 6/7£496
Sun 24/819:45LHR - SDF
2 stops32h 15mVirgin Atlantic
Tue 9/910:24SDF - LHR
2 stops15h 21mVirgin Atlantic
Deal found 6/7£499
Sun 24/810:00LHR - SDF
1 stop17h 00mUnited Airlines
Tue 9/914:20SDF - LHR
1 stop11h 35mUnited Airlines
Deal found 6/7£502
Wed 10/914:25LHR - SDF
1 stop13h 38mBritish Airways
Wed 24/918:12SDF - LHR
1 stop11h 18mBritish Airways
Deal found 6/7£506
Mon 4/806:20LHR - CVG
2 stops21h 56mMultiple Airlines
Mon 11/818:24CVG - LHR
1 stop10h 56mMultiple Airlines
Deal found 7/7£506
Sat 20/912:15LHR - TYS
1 stop13h 41mLufthansa
Mon 29/914:00TYS - LHR
1 stop16h 45mLufthansa
Deal found 7/7£507
Fri 26/908:30LHR - LEX
1 stop13h 50mLufthansa
Sat 4/1018:01LEX - LHR
1 stop31h 19mLufthansa
Deal found 7/7£507

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Kentucky 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 858,174 searches. Data last updated 8 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Kentucky that are best for you.

Fly from

Heathrow

Fly to

Kentucky

Route

Depart

Return

Price

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 17/9

08:40-23:57

2 stops20h 17m

Knoxville McGhee Tyson

Tue 30/9

14:01-06:55

1 stop11h 54m

£480

LondonLexington

LHR - LEX

LHRLEX

London Heathrow

Mon 3/11

08:55-20:54

2 stops16h 59m

Lexington Blue Grass

Mon 17/11

13:59-07:55

1 stop12h 56m

£480

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 23/9

06:10-21:00

2 stops19h 50m

Knoxville McGhee Tyson

Sun 28/9

16:49-07:20

1 stop33h 31m

£491

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 26/9

12:15-20:48

1 stop13h 33m

Louisville Intl

Sat 4/10

19:20-06:20

1 stop30h 00m

£493

LondonLexington

LHR - LEX

LHRLEX

London Heathrow

Mon 3/11

12:35-22:54

1 stop15h 19m

Lexington Blue Grass

Mon 17/11

19:14-10:25

1 stop10h 11m

£493

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 12/9

11:05-22:24

1 stop16h 19m

Louisville Intl

Mon 15/9

14:20-06:55

1 stop11h 35m

£496

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 24/8

19:45-23:00

2 stops32h 15m

Louisville Intl

Tue 9/9

10:24-06:45

2 stops15h 21m

£499

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 24/8

10:00-22:00

1 stop17h 00m

Louisville Intl

Tue 9/9

14:20-06:55

1 stop11h 35m

£502

LondonCincinnati

LHR - CVG

LHRCVG

London Heathrow

Mon 4/8

06:20-23:16

2 stops21h 56m

Cincinnati Cinci./N. Kentucky

Mon 11/8

18:24-10:20

1 stop10h 56m

£506

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 10/9

14:25-23:03

1 stop13h 38m

Louisville Intl

Wed 24/9

18:12-10:30

1 stop11h 18m

£506

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Kentucky

What is the cheapest month to book a flight from London Heathrow Airport to Kentucky?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Kentucky (average of £662). Flying from London Heathrow Airport to Kentucky in July is currently the most expensive (average of £1,019). 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 LHR to KY?

Find hourly flight availability from Heathrow to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 July 2025.

When flying from London Heathrow Airport to Kentucky, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated 8 July 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Kentucky, such as Delta, Alaska Airlines, andKLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

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!
8.0
Very Good

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

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!

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

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!

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

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!

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

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!

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

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 Heathrow to Kentucky. 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 London Heathrow Airport to Kentucky one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £408. However, be on the lookout for offers from Aer Lingus and WestJet, as they are both options that can get you from London Heathrow Airport to Kentucky for a low price.

  • What are the most popular routes from London Heathrow Airport to Kentucky?

  • Can I find deals for flights from Heathrow to Kentucky that include hotel bookings?

    Yes. In addition to deals on Heathrow to Kentucky flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Kentucky.

  • Can I find deals for business class flights from Heathrow to Kentucky?

    Yes. Cheapflights offers flight deals from Heathrow to Kentucky 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 London Heathrow Airport to Kentucky?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Kentucky (average of £662). Flying from London Heathrow Airport to Kentucky in July is currently the most expensive (average of £1,019). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Heathrow to Kentucky

Discover the top 9 airlines that operate flights from Heathrow to Kentucky. 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 858,174 searches. Data last updated 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£415Average£507FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£415Average£565FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£431Average£547FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£435Average£644FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£436Average£573FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£440Average£502FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£452Average£567FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£462Average£532FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£471Average£717FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Kentucky?

Cheapflights makes it easy to find Heathrow to Kentucky flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Kentucky?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Kentucky.

Can Cheapflights find flights from Heathrow to Kentucky with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Kentucky with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Kentucky become cheaper?

Yes! Start tracking prices for Heathrow to Kentucky flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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