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Cheap flights from Kentucky to London from £178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to London departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
17:39 - 18:35
LEX
-
LHR
20h 56m
2 stops
Lufthansa Logo
11:10 - 23:44
LHR
-
LEX
16h 34m
2 stops
£448Lufthansa
Tue, 10 Mar - Tue, 17 Mar
Lufthansa Logo
17:45 - 18:25
LEX
-
LHR
19h 40m
2 stops
Lufthansa Logo
10:50 - 23:44
LHR
-
LEX
17h 54m
2 stops
£459Lufthansa
Tue, 28 Apr - Tue, 19 May
United Airlines Logo
13:47 - 06:20
SDF
-
LHR
12h 33m
1 stop
United Airlines Logo
06:50 - 20:14
LHR
-
SDF
17h 24m
2 stops
£464United Airlines
Mon, 9 Mar - Mon, 16 Mar
United Airlines Logo
13:56 - 05:55
LEX
-
LHR
11h 59m
1 stop
United Airlines Logo
06:50 - 20:09
LHR
-
LEX
17h 19m
2 stops
£464United Airlines
Tue, 10 Mar - Tue, 17 Mar
United Airlines Logo
13:58 - 07:10
SDF
-
LHR
13h 12m
2 stops
United Airlines Logo
06:50 - 19:31
LHR
-
SDF
16h 41m
2 stops
£466United Airlines
Wed, 11 Mar - Wed, 18 Mar
Iberia Logo
17:06 - 12:15
TYS
-
LHR
14h 09m
1 stop
Iberia Logo
06:15 - 21:21
LHR
-
TYS
20h 06m
2 stops
£472Iberia
Wed, 22 Apr - Wed, 6 May
Icelandair Logo
20:55 - 11:55
BNA
-
LHR
33h 00m
1 stop
Icelandair Logo
13:05 - 19:30
LHR
-
BNA
12h 25m
1 stop
£473Icelandair
Mon, 6 Apr - Fri, 17 Apr
British Airways Logo
17:06 - 10:30
TYS
-
LHR
12h 24m
1 stop
British Airways Logo
19:25 - 20:18
LHR
-
TYS
29h 53m
2 stops
£474British Airways
Wed, 15 Apr - Mon, 20 Apr
British Airways Logo
11:13 - 10:30
SDF
-
LHR
18h 17m
1 stop
British Airways Logo
19:25 - 21:30
LHR
-
SDF
31h 05m
2 stops
£474British Airways
Wed, 8 Apr - Mon, 13 Apr
Icelandair Logo
20:55 - 20:20
BNA
-
LHR
17h 25m
1 stop
Icelandair Logo
13:05 - 19:30
LHR
-
BNA
12h 25m
1 stop
£478Icelandair
Sun, 19 Apr - Fri, 1 May

Iberia flights from Kentucky to London Heathrow Airport

Our best Iberia deals on Kentucky to London Heathrow Airport flight tickets
Iberia
22 Apr
TYS17:06Knoxville McGhee Tyson
14h 09m
1 stop
LHR12:15London Heathrow
6 May
LHR06:15London Heathrow
20h 06m
2 stops
TYS21:21Knoxville McGhee Tyson
£472
Iberia
30 Mar
SDF12:07Louisville Intl
17h 23m
1 stop
LHR10:30London Heathrow
7 Apr
LHR09:45London Heathrow
16h 45m
1 stop
SDF21:30Louisville Intl
£497
Iberia
14 Apr
SDF11:13Louisville Intl
18h 22m
2 stops
LHR10:35London Heathrow
23 Apr
LHR09:45London Heathrow
16h 45m
1 stop
SDF21:30Louisville Intl
£503

United Airlines flights from Kentucky to London Heathrow Airport

Our best United Airlines deals on Kentucky to London Heathrow Airport flight tickets
United Airlines
10 Mar
LEX13:56Lexington Blue Grass
11h 59m
1 stop
LHR05:55London Heathrow
17 Mar
LHR06:50London Heathrow
17h 19m
2 stops
LEX20:09Lexington Blue Grass
£464
United Airlines
18 Mar
SDF06:00Louisville Intl
10h 35m
1 stop
LHR20:35London Heathrow
23 Mar
LHR10:30London Heathrow
32h 17m
2 stops
SDF14:47Louisville Intl
£472
United Airlines
11 Mar
LEX13:56Lexington Blue Grass
11h 59m
1 stop
LHR05:55London Heathrow
15 Mar
LHR18:00London Heathrow
33h 44m
2 stops
LEX23:44Lexington Blue Grass
£474

momondo Fare Finder

 
Customise your flight search to find flights from Kentucky to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 12 February 2026.
Use the filters below to find and compare flights from Kentucky to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Tue 10/3

17:39-18:35

2 stops20h 56m

London Heathrow

Tue 17/3

11:10-23:44

2 stops16h 34m

£448

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Tue 28/4

17:45-18:25

2 stops19h 40m

London Heathrow

Tue 19/5

10:50-23:44

2 stops17h 54m

£459

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 9/3

13:47-06:20

1 stop12h 33m

London Heathrow

Mon 16/3

06:50-20:14

2 stops17h 24m

£464

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Tue 10/3

13:56-05:55

1 stop11h 59m

London Heathrow

Tue 17/3

06:50-20:09

2 stops17h 19m

£464

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 11/3

13:58-07:10

2 stops13h 12m

London Heathrow

Wed 18/3

06:50-19:31

2 stops16h 41m

£466

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 22/4

17:06-12:15

1 stop14h 09m

London Heathrow

Wed 6/5

06:15-21:21

2 stops20h 06m

£472

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Mon 6/4

20:55-11:55

1 stop33h 00m

London Heathrow

Fri 17/4

13:05-19:30

1 stop12h 25m

£473

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 15/4

17:06-10:30

1 stop12h 24m

London Heathrow

Mon 20/4

19:25-20:18

2 stops29h 53m

£474

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 8/4

11:13-10:30

1 stop18h 17m

London Heathrow

Mon 13/4

19:25-21:30

2 stops31h 05m

£474

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Sun 19/4

20:55-20:20

1 stop17h 25m

London Heathrow

Fri 1/5

13:05-19:30

1 stop12h 25m

£478

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Kentucky to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from Kentucky to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £454. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Kentucky averaging around £473.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £658 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Kentucky for as low as £504 on momondo.

Cheap Kentucky to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to London Heathrow Airport

Fastest flight time

7h 40m

Direct flights

Every day
The fastest flight from Kentucky to London Heathrow Airport takes 7h 40m
Direct flights go from Kentucky to London Heathrow Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Kentucky to London Heathrow Airport?

    Prices for flights from Kentucky to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Kentucky to London Heathrow Airport?

  • How old do you have to be to fly from Kentucky to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Poole
Chelmsford
Hayes
Wembley
Dover
Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to London?

Finding the right flight to London from Kentucky is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Kentucky to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Kentucky with this policy.

How can momondo help me find flights from Kentucky to London?

Once all potential Kentucky to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Kentucky to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Kentucky to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Heathrow Airport trip

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