Cheap flights from London Heathrow Airport to Kentucky from £456

LHR — SDF
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Kentucky

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Kentucky

Mon 16/1106:40 -
2 stops22h 18m
Mon 30/1115:38 -
2 stops19h 22m
Deal found 25/10£582
Sun 27/1206:40 -
2 stops22h 43m
Sun 10/115:59 -
2 stops19h 01m
Deal found 29/10£583
Tue 24/1119:30 -
2 stops32h 43m
Mon 30/1115:00 -
2 stops22h 30m
Deal found 29/10£593
Tue 17/1118:40 -
2 stops34h 18m
Mon 30/1115:38 -
2 stops19h 22m
Deal found 25/10£593
Mon 23/1107:05 -
3 stops22h 05m
Mon 7/1215:02 -
2 stops25h 38m
Deal found 25/10£621
Thu 12/1118:40 -
2 stops34h 30m
Mon 16/1113:01 -
2 stops21h 59m
Deal found 28/10£625
Fri 6/1106:40 -
2 stops19h 58m
Mon 16/1115:00 -
2 stops21h 40m
Deal found 26/10£626
Fri 6/1106:40 -
2 stops22h 19m
Sat 14/1113:30 -
2 stops21h 30m
Deal found 26/10£629
Wed 25/1106:40 -
2 stops22h 18m
Mon 30/1115:38 -
2 stops19h 22m
Deal found 29/10£699
Tue 1/1209:00 -
2 stops16h 25m
Tue 8/1213:45 -
2 stops16h 30m
Deal found 25/10£723
Wed 25/1111:10 -
2 stops17h 44m
Wed 23/1213:55 -
1 stop17h 05m
Deal found 29/10£729
Tue 17/1106:05 -
2 stops22h 43m
Mon 30/1111:20 -
1 stop16h 15m
Deal found 25/10£741

Find flight deals from Heathrow to Kentucky

Round-trip from

£582

One-way from

£456

Popular in

December

Cheapest in

January

Average price

£747
Scandinavian Airlines
  • Scandinavian Airlines
  • 16/11-30/11
  • 4 total stops
  • 41h 40m total
  • London to Kentucky
31/12-31/12
  • 31/12-31/12
  • 3 total stops
  • 32h 45m total
  • London to Kentucky
Highest demand for flights based on searches. 6% potential increase in price (£37 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Kentucky that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Tue 1/12

14:50-16:32

3 stops30h 42m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£477

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

14:50-16:32

3 stops30h 42m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£480

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 13/1

15:40-09:29

1 stop22h 49m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£504

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 3/12

14:50-19:19

3 stops33h 29m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£511

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 13/1

06:30-18:29

2 stops16h 59m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£518

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 31/12

06:35-18:47

2 stops17h 12m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£527

LondonLexington

LHR London Heathrow - LEX Lexington Blue Grass

LHRLEX

London Heathrow

Wed 11/11

08:50-18:24

2 stops14h 34m

Lexington Blue Grass

Wed 31/12

00:00-06:00

Nonstop0h 00m

£549

LondonLexington

LHR London Heathrow - LEX Lexington Blue Grass

LHRLEX

London Heathrow

Mon 21/12

06:00-20:58

3 stops43h 58m

Lexington Blue Grass

Wed 31/12

00:00-06:00

Nonstop0h 00m

£557

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 27/12

06:40-00:23

2 stops22h 43m

Louisville Intl

Sun 10/1

15:59-16:00

2 stops19h 01m

£583

LondonLexington

LHR London Heathrow - LEX Lexington Blue Grass

LHRLEX

London Heathrow

Tue 17/11

18:40-23:58

2 stops34h 18m

Lexington Blue Grass

Mon 30/11

15:38-16:00

2 stops19h 22m

£593

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 30 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Kentucky (average of £612). Flying from London Heathrow Airport to Kentucky in March is currently the most expensive (average of £1,094). 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.

How far ahead should I book a flight from London Heathrow Airport to Kentucky?

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Kentucky. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Kentucky

Read through reviews of airlines operating flights from London Heathrow Airport to Kentucky, such as KLM,Virgin Atlantic, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.4

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

  • How long is the flight from London Heathrow Airport to Kentucky?

    Scandinavian Airlines, United Airlines, and British Airways can get you from London Heathrow Airport to Kentucky in just under 16h 25m. Your travel time can differ by up to 6h 18m. There are 3995 mi between London Heathrow Airport and Kentucky. This flight may include one or multiple stops.

  • 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Kentucky (average of £612). Flying from London Heathrow Airport to Kentucky in March is currently the most expensive (average of £1,094). 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

Alternative routes for Heathrow to Kentucky

Top 5 airlines flying from Heathrow to Kentucky

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£237Average£883FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£526Average£753FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£621Average£929FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£642Average£800FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£702Average£846FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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.

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