Find flights
Deals
When to book
FAQs

Cheap flights from Kentucky to London from £128

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kentucky to London

Enter your travel dates to find the best prices.

Cheapest flights from Kentucky to London
Explore the most affordable flight options available from Kentucky to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Tue 20/1010:26
SDF
-
LHR
1 stop19h 24m
Iberia
Tue 3/1106:05
LHR
-
SDF
2 stops20h 31m
Iberia
Deal found 20/7£644
Mon 19/1018:14
SDF
-
LHR
1 stop13h 01m
Iberia
Wed 28/1006:15
LHR
-
SDF
2 stops19h 20m
Iberia
Deal found 23/7£647
Mon 21/917:59
SDF
-
LHR
1 stop13h 16m
Iberia
Tue 29/906:15
LHR
-
SDF
2 stops21h 18m
Iberia
Deal found 22/7£647
Tue 27/1012:41
SDF
-
LHR
2 stops20h 49m
Iberia
Tue 3/1106:05
LHR
-
SDF
2 stops20h 31m
Iberia
Deal found 22/7£653
Wed 11/1119:20
TYS
-
LHR
2 stops15h 30m
Lufthansa
Wed 18/1108:45
LHR
-
TYS
2 stops20h 11m
Lufthansa
Deal found 22/7£657
Wed 11/1112:57
SDF
-
LHR
1 stop13h 23m
British Airways
Mon 16/1119:05
LHR
-
SDF
2 stops28h 21m
British Airways
Deal found 19/7£657
Wed 4/1111:31
TYS
-
LHR
1 stop16h 04m
Iberia
Wed 11/1106:15
LHR
-
TYS
2 stops22h 32m
Iberia
Deal found 20/7£659
Wed 11/1114:00
TYS
-
LHR
1 stop11h 40m
United Airlines
Wed 18/1106:50
LHR
-
TYS
2 stops15h 12m
United Airlines
Deal found 22/7£662
Wed 4/1119:20
TYS
-
LHR
1 stop10h 30m
United Airlines
Wed 11/1106:50
LHR
-
TYS
2 stops15h 12m
United Airlines
Deal found 20/7£662
Wed 7/1010:00
SDF
-
LHR
2 stops16h 40m
Lufthansa
Wed 21/1009:00
LHR
-
SDF
2 stops19h 59m
Lufthansa
Deal found 22/7£665
Mon 21/905:45
TYS
-
LHR
2 stops19h 10m
Multiple Airlines
Tue 29/909:00
LHR
-
TYS
2 stops19h 59m
Multiple Airlines
Deal found 21/7£665
Sun 22/1110:03
SDF
-
LHR
1 stop17h 32m
Iberia
Thu 3/1207:30
LHR
-
SDF
2 stops19h 05m
Iberia
Deal found 19/7£667

Find flight deals from Kentucky to London

Keep the following information in mind while searching for Kentucky to London flight deals. Data was last updated 23 July 2026.

Round-trip from

£644

One-way from

£128

Popular in

June

Cheapest in

November

Average price

£961
Iberia
  • Iberia
  • 20/10-3/11
  • 3 total stops
  • 39h 55m total
  • Kentucky to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 18/8
  • 2 total stops
  • 16h 00m total
  • Kentucky to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kentucky to London 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 23 July 2026.
Use the filters below to find and compare flights from Kentucky to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 4/10

13:50-11:55

1 stop17h 05m

London Heathrow

Mon 12/10

06:50-17:40

2 stops15h 50m

£700

CincinnatiLondon

CVG - LCY

CVGLCY

Cincinnati Cinci./N. Kentucky

Tue 17/11

16:05-14:05

2 stops17h 00m

London City

Wed 2/12

07:50-20:38

2 stops17h 48m

£701

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 15/12

07:30-07:10

2 stops18h 40m

London Heathrow

Fri 15/1

06:35-22:09

2 stops20h 34m

£707

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 15/9

22:40-11:30

Nonstop7h 50m

London Heathrow

Wed 23/9

07:50-21:04

2 stops18h 14m

£707

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Sat 26/9

18:08-06:45

1 stop31h 37m

London Heathrow

Fri 9/10

06:50-17:00

2 stops15h 10m

£712

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sat 21/11

11:15-21:20

1 stop29h 05m

London Heathrow

Mon 30/11

12:05-22:09

2 stops39h 04m

£712

CincinnatiLondon

CVG - LGW

CVGLGW

Cincinnati Cinci./N. Kentucky

Wed 7/10

10:50-08:25

2 stops16h 35m

London Gatwick

Tue 13/10

18:35-17:00

2 stops27h 25m

£714

CincinnatiLondon

CVG - LGW

CVGLGW

Cincinnati Cinci./N. Kentucky

Tue 15/9

14:21-17:50

2 stops22h 29m

London Gatwick

Mon 21/9

18:35-17:00

2 stops27h 25m

£714

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/11

11:15-07:10

2 stops14h 55m

London Heathrow

Mon 16/11

06:50-17:01

2 stops15h 11m

£716

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 26/8

18:30-10:30

1 stop11h 00m

London Heathrow

Wed 2/9

12:15-21:25

1 stop14h 10m

£718

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Kentucky to London

Have a flexible travel schedule? Discover the best time to fly to London from Kentucky 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 Kentucky to London

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

Currently, January is the cheapest month in which you can book a flight from Kentucky to London (average of £526). Flying from Kentucky to London in June is currently the most expensive (average of £1,079). 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 much does it cost for a return flight from Kentucky to London?

Airfare is below average for this route at the moment.
Kentucky to London flights typically cost between £758 and £1,013 in October.
The cheapest return price found within the last 5 days was £644 on Iberia (20 Oct–3 Nov).

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

To ensure you get the cheapest price possible for a flight from Kentucky to London, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to London. 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?

    United Airlines, British Airways, and SWISS can get you from Kentucky to London in just under 16h 35m. Your travel time can differ by up to 30m. There are 3969 mi between Kentucky and London. This flight may include one or multiple stops.

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

    Most travelers choose Nashville Intl - London Heathrow, Cincinnati Cinci./N. Kentucky - London Heathrow or Cincinnati Cinci./N. Kentucky - London Gatwick when deciding on the best route from Kentucky to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky to London 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?

    Currently, January is the cheapest month in which you can book a flight from Kentucky to London (average of £526). Flying from Kentucky to London in June is currently the most expensive (average of £1,079). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Kingston upon Thames
Southall
Aylesbury
Dover
Romford
Enfield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kentucky to London

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
LaGuardia to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
Baltimore to Heathrow flights
San Francisco to Heathrow flights
LaGuardia to Gatwick flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Seattle to Heathrow flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Newark to London City flights
Newark to Stansted flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Miami to Heathrow flights
Newark to Luton flights
Boston to London City flights
John F Kennedy Intl to Edinburgh flights
Newark to Edinburgh flights
Hobby to Heathrow flights
Dulles Intl to London City flights
Boston to Stansted flights
Denver to Heathrow flights
Los Angeles to Gatwick flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Boston to Edinburgh flights
San Francisco to Gatwick flights
Los Angeles to Stansted flights
George Bush Intcntl to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to London City flights
Sky Harbor Intl to Heathrow flights
Los Angeles to London City flights
O'Hare Intl to Stansted flights
Raleigh to Heathrow flights
Orlando to Gatwick flights
O'Hare Intl to London City flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Kentucky to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Kentucky to London.

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

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

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

Not ready to book yet? You can track prices for flights from Kentucky to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.