How long is the flight from Kentucky to London?

United Airlines, Delta, and British Airways can get you from Kentucky to London in just under 11h 48m. Your travel time can differ by up to 23h 02m. There are 3995 mi between Kentucky and London. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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.

What is the cheapest time of day to fly from KY to LON?

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

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.

£244+ Cheap Flights from Kentucky to London

Cheap flight deals from Kentucky to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 9 October 2026.

Wed 18/1111:29 -

1 stop16h 06m

Wed 25/1106:15 -

2 stops22h 27m

Deal found 4/10£674

Sun 8/1107:10 -

2 stops18h 30m

Tue 24/1109:00 -

2 stops30h 13m

Deal found 6/10£680

Tue 3/1118:54 -

1 stop11h 41m

Tue 10/1119:40 -

2 stops33h 08m

Deal found 6/10£683

Wed 4/1111:29 -

1 stop14h 26m

Wed 11/1119:40 -

2 stops33h 08m

Deal found 7/10£684

Wed 4/1118:55 -

1 stop11h 40m

Wed 11/1111:00 -

1 stop17h 48m

Deal found 7/10£688

Wed 25/1114:10 -

1 stop16h 50m

Thu 3/1209:00 -

2 stops19h 49m

Deal found 6/10£689

Mon 2/1111:05 -

1 stop15h 50m

Mon 9/1112:05 -

2 stops37h 30m

Deal found 4/10£689

Mon 2/1109:55 -

1 stop15h 45m

Fri 13/1106:50 -

2 stops15h 12m

Deal found 4/10£689

Wed 25/1109:55 -

1 stop19h 55m

Fri 4/1206:35 -

2 stops22h 14m

Deal found 6/10£690

Tue 8/1213:45 -

1 stop17h 15m

Tue 15/1206:35 -

2 stops22h 21m

Deal found 7/10£690

Tue 3/1111:05 -

2 stops15h 05m

Tue 10/1109:00 -

2 stops16h 35m

Deal found 6/10£691

Wed 4/1111:05 -

2 stops15h 35m

Wed 11/1109:00 -

2 stops16h 35m

Deal found 7/10£692

Best flights from Kentucky to London
Discover carefully curated flight deals from Kentucky to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Tue 2/315:50 -

1 stop34h 50m

Fri 5/306:50 -

2 stops16h 14m

Deal found 8/10£577

Wed 17/210:05 -

1 stop17h 55m

Wed 17/306:30 -

2 stops18h 51m

Deal found 4/10£682

Wed 17/215:47 -

1 stop11h 48m

Wed 17/311:15 -

1 stop16h 17m

Deal found 4/10£686

Thu 29/1011:05 -

2 stops19h 00m

Mon 2/1119:30 -

2 stops33h 24m

Deal found 5/10£794

Tue 9/309:00 -

2 stops31h 00m

Tue 16/306:50 -

2 stops15h 14m

Deal found 5/10£663

Thu 3/1211:10 -

1 stop16h 25m

Thu 10/1206:15 -

2 stops22h 36m

Deal found 5/10£712

Sun 31/118:26 -

2 stops14h 19m

Sun 28/208:40 -

2 stops17h 11m

Deal found 4/10£723

Wed 3/213:41 -

1 stop14h 29m

Mon 15/211:05 -

2 stops35h 59m

Deal found 9/10£676

Mon 23/1111:20 -

1 stop16h 15m

Mon 30/1119:40 -

2 stops33h 02m

Deal found 9/10£730

Mon 1/206:15 -

1 stop10h 05m

Wed 3/313:35 -

1 stop15h 20m

Deal found 4/10£690

Tue 3/1111:05 -

2 stops15h 05m

Tue 10/1109:00 -

2 stops16h 35m

Deal found 6/10£691

Mon 5/414:20 -

1 stop11h 35m

Wed 7/410:00 -

1 stop16h 30m

Deal found 7/10£694

Thu 19/1111:17 -

1 stop16h 53m

Thu 26/1106:50 -

2 stops17h 40m

Deal found 7/10£727

Mon 2/1117:57 -

1 stop13h 03m

Fri 13/1106:50 -

2 stops17h 40m

Deal found 7/10£727

Mon 19/1006:15 -

1 stop10h 20m

Mon 26/1011:05 -

2 stops36h 25m

Deal found 5/10£737

Sat 7/1110:55 -

1 stop28h 40m

Sat 14/1111:05 -

2 stops34h 57m

Deal found 9/10£741

Fri 2/407:00 -

1 stop18h 45m

Sun 11/408:45 -

2 stops20h 07m

Deal found 5/10£744

Mon 16/1113:49 -

2 stops14h 21m

Wed 18/1106:50 -

2 stops15h 40m

Deal found 8/10£842

Find flight deals from Kentucky to London

Round-trip from	£577
One-way from	£244
Popular in	June
Cheapest in	January
Average price	£790

United Airlines
2/3-5/3
3 total stops
51h 04m total
Kentucky to London

Search Deals

British Airways
12/1-31/12
1 total stop
15h 13m total
Kentucky to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£109 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 12/1

13:02-09:15

1 stop15h 13m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£244

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 12/1

08:50-21:00

2 stops31h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Sun 31/1

11:55-12:05

2 stops19h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£250

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Mon 4/1

11:17-06:55

1 stop14h 38m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£286

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Thu 28/1

11:55-06:55

1 stop14h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£288

LexingtonLondon

LEX Lexington Blue Grass - LHR London Heathrow

LEXLHR

Lexington Blue Grass

Thu 28/1

06:00-06:40

2 stops19h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£289

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 21/10

16:53-15:00

2 stops17h 07m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£334

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sat 7/11

18:11-08:05

2 stops32h 54m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£350

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 9/11

12:40-07:05

1 stop13h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£350

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 23/11

10:01-08:35

1 stop17h 34m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£353

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 39 resultsSorted by cheapest first

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.

SDF-LHR

LEX-LHR

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

USKY-LON

SDF-LHR

LEX-LHR

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 £565). Flying from Kentucky to London in June is currently the most expensive (average of £1,093). 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 £659 and £960 in March.
The cheapest return price found within the last 5 days was £577 on United Airlines (2 Mar–5 Mar).

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 64 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

How long is the flight from Kentucky to London?
United Airlines, Delta, and British Airways can get you from Kentucky to London in just under 11h 48m. Your travel time can differ by up to 23h 02m. There are 3995 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 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, January is the cheapest month in which you can book a flight from Kentucky to London (average of £565). Flying from Kentucky to London in June is currently the most expensive (average of £1,093). 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

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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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Cheap flights from Kentucky to London from £244

This is the cheapest retur 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.

Cheap flight deals from Kentucky to London

Cheapest flights from Kentucky to LondonExplore 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 9 October 2026.

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 9 October 2026.

Best flights from Kentucky to LondonDiscover carefully curated flight deals from Kentucky to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Discover carefully curated flight deals from Kentucky to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Last-minute flights from Kentucky to LondonDiscover last-minute flight deals from Kentucky to London. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from Kentucky to London. Data last updated 9 October 2026 and is based on user searches.

One-way flights from Kentucky to LondonSearch for one-way flight options from Kentucky to London. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Search for one-way flight options from Kentucky to London. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Find flight deals from Kentucky to London

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

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.

Cheapflights Insights

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

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 £659 and £960 in March.The cheapest return price found within the last 5 days was £577 on United Airlines (2 Mar–5 Mar).

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 64 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

How long is the flight from Kentucky to London?

What are the most popular routes from Kentucky to London?

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

How can I find direct flights from Kentucky to London?

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

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

Travelling to a place near London?

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Alternative routes for Kentucky to London

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

Complete your trip

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Search flights from Kentucky to London by cabin class

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Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 October 2026.

Kentucky and London flights

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

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

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

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

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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 9 October 2026.

Best flights from Kentucky to London
Discover carefully curated flight deals from Kentucky to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Last-minute flights from Kentucky to London
Discover last-minute flight deals from Kentucky to London. Data last updated 9 October 2026 and is based on user searches.

One-way flights from Kentucky to London
Search for one-way flight options from Kentucky to London. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Kentucky to London flights typically cost between £659 and £960 in March.
The cheapest return price found within the last 5 days was £577 on United Airlines (2 Mar–5 Mar).