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Cheap flights from Kentucky to London from £142

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kentucky to London

Keep the following information in mind while searching for Kentucky to London flight deals. Data was last updated 27 November 2025.

Round-trip from

£420

One-way from

£142

Popular in

December

Cheapest in

October

Average price

£829
Lufthansa
  • Lufthansa
  • 10/1-17/1
  • 3 total stops
  • 29h 18m total
  • Kentucky to London
Search Deals
12/1
  • 12/1
  • 2 total stops
  • 30h 10m total
  • Kentucky to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£150 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 27 November 2025.

Fri 5/1206:00CVG - LHR
1 stop19h 25mDelta
Tue 9/1206:20LHR - CVG
1 stop14h 00mDelta
Deal found 26/11£476
Wed 3/1214:06CVG - LHR
1 stop11h 14mIberia
Sun 7/1214:10LHR - CVG
1 stop13h 36mIberia
Deal found 26/11£479
Wed 3/1219:45CVG - LHR
1 stop10h 05mMultiple Airlines
Sun 7/1209:00LHR - CVG
2 stops16h 45mMultiple Airlines
Deal found 26/11£481
Fri 5/1217:04CVG - LHR
1 stop11h 11mAmerican Airlines
Tue 9/1215:05LHR - CVG
Nonstop8h 50mAmerican Airlines
Deal found 26/11£482
Tue 2/1211:20CVG - LHR
2 stops14h 50mUnited Airlines
Tue 9/1206:35LHR - CVG
2 stops16h 25mUnited Airlines
Deal found 25/11£483
Wed 31/1217:49CVG - LHR
1 stop9h 56mKLM
Mon 12/110:45LHR - CVG
1 stop12h 17mKLM
Deal found 26/11£489
Tue 30/1210:20CVG - LHR
1 stop19h 30mUnited Airlines
Fri 9/109:00LHR - CVG
2 stops37h 46mUnited Airlines
Deal found 25/11£489
Tue 30/1218:40CVG - LHR
2 stops31h 30mAir Canada
Fri 9/109:00LHR - CVG
2 stops41h 30mAir Canada
Deal found 24/11£490
Tue 2/1215:17TYS - LHR
1 stop11h 03mBritish Airways
Tue 16/1206:45LHR - TYS
2 stops19h 03mBritish Airways
Deal found 26/11£494
Tue 30/1214:54CVG - LHR
1 stop14h 56mLufthansa
Fri 9/112:50LHR - CVG
1 stop13h 40mLufthansa
Deal found 26/11£494
Tue 30/1214:25BNA - LHR
2 stops24h 10mAir Canada
Fri 23/109:00LHR - BNA
2 stops36h 05mAir Canada
Deal found 25/11£513
Fri 12/1217:30BNA - LHR
1 stop11h 20mIcelandair
Wed 17/1220:35LHR - BNA
1 stop27h 55mIcelandair
Deal found 25/11£514

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 27 November 2025.
Use the filters below to find and compare flights from Kentucky to London that are best for you.

Fly from

Kentucky

Fly to

London

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sat 10/1

14:10-06:40

1 stop11h 30m

London Heathrow

Sat 17/1

07:40-20:28

2 stops17h 48m

£420

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Thu 5/3

12:30-09:20

2 stops15h 50m

London Heathrow

Mon 16/3

06:40-22:37

2 stops19h 57m

£453

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 2/2

13:00-08:05

2 stops14h 05m

London Heathrow

Wed 11/2

11:30-23:45

2 stops17h 15m

£455

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/2

15:32-07:50

1 stop11h 18m

London Heathrow

Sun 8/2

11:45-23:50

2 stops17h 05m

£455

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 13/1

18:00-09:20

1 stop10h 20m

London Heathrow

Fri 23/1

10:45-18:52

1 stop13h 07m

£457

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 14/1

18:00-09:20

1 stop10h 20m

London Heathrow

Thu 22/1

08:55-16:59

1 stop13h 04m

£457

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Sun 15/3

14:20-17:40

2 stops23h 20m

London Heathrow

Thu 19/3

21:05-22:12

3 stops29h 07m

£458

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Thu 8/1

12:45-14:35

2 stops20h 50m

London Heathrow

Thu 15/1

06:40-22:12

2 stops20h 32m

£463

CincinnatiLondon

CVG - LGW

CVGLGW

Cincinnati Cinci./N. Kentucky

Wed 7/1

18:05-10:00

1 stop34h 55m

London Gatwick

Fri 16/1

14:00-15:03

1 stop30h 03m

£464

CincinnatiLondon

CVG - LGW

CVGLGW

Cincinnati Cinci./N. Kentucky

Sat 10/1

19:13-06:00

2 stops29h 47m

London Gatwick

Sat 17/1

14:00-17:48

1 stop32h 48m

£464

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from Kentucky to London (average of £433). Flying from Kentucky to London in June is currently the most expensive (average of £695). 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 LON?

Find hourly flight availability from Kentucky to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

A simple way to save on the total cost of your ticket is to fly from Kentucky to London in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.

How much does it cost for a return flight from Kentucky to London?

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?

    Lufthansa, Scandinavian Airlines, and Delta can get you from Kentucky to London in just under 11h 30m. Your travel time can differ by up to 4h 20m. There are 4033 mi between Kentucky and London. This flight may include one or multiple stops.

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

    £167 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and JetBlue, with prices starting from £167 and £245, respectively.

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

    Most travelers choose Nashville Intl - London Heathrow, Cincinnati Cinci./N. Kentucky - London Heathrow or Nashville Intl - 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, November is the cheapest month in which you can book a flight from Kentucky to London (average of £433). Flying from Kentucky to London in June is currently the most expensive (average of £695). 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
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Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
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Watford
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Chichester
Ipswich
Bedford
Eastbourne

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Alternative routes for Kentucky to London

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Fly with Cheapflights

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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.

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