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Cheap flights from Kentucky to London from £157

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 20/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Kentucky to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
09:15 - 07:30
TYS
-
LHR
17h 15m
1 stop
United Airlines Logo
06:50 - 19:17
LHR
-
TYS
17h 27m
2 stops
£579United Airlines
lun., 9 nov. - mié., 11 nov.
United Airlines Logo
14:00 - 08:25
TYS
-
LHR
13h 25m
2 stops
United Airlines Logo
06:50 - 19:17
LHR
-
TYS
17h 27m
2 stops
£583United Airlines
lun., 9 nov. - mié., 11 nov.
Scandinavian Airlines Logo
15:55 - 16:00
TYS
-
LHR
19h 05m
2 stops
Scandinavian Airlines Logo
06:40 - 21:45
LHR
-
TYS
20h 05m
2 stops
£634Scandinavian Airlines
lun., 30 nov. - mié., 9 dic.
Scandinavian Airlines Logo
15:55 - 16:00
TYS
-
LHR
19h 05m
2 stops
Scandinavian Airlines Logo
06:40 - 21:45
LHR
-
TYS
20h 05m
2 stops
£635Scandinavian Airlines
lun., 30 nov. - vie., 11 dic.
Iberia Logo
18:01 - 12:15
SDF
-
LHR
13h 14m
1 stop
Iberia Logo
06:15 - 22:33
LHR
-
SDF
21h 18m
2 stops
£647Iberia
mié., 9 sep. - mar., 22 sep.
Iberia Logo
18:01 - 12:15
SDF
-
LHR
13h 14m
1 stop
Iberia Logo
06:15 - 22:33
LHR
-
SDF
21h 18m
2 stops
£647Iberia
mié., 9 sep. - mar., 22 sep.
British Airways Logo
18:01 - 12:15
LEX
-
LHR
13h 14m
1 stop
British Airways Logo
07:30 - 21:39
LHR
-
LEX
18h 09m
2 stops
£653British Airways
mar., 29 sep. - mar., 27 oct.
British Airways Logo
14:53 - 06:55
SDF
-
LHR
11h 02m
1 stop
British Airways Logo
09:15 - 19:10
LHR
-
SDF
14h 55m
1 stop
£659British Airways
lun., 21 sep. - vie., 2 oct.
Multiple Airlines Logo
07:40 - 09:05
TRI
-
LHR
20h 25m
1 stop
Multiple Airlines Logo
12:55 - 22:49
LHR
-
TRI
14h 54m
1 stop
£671Multiple Airlines
lun., 7 sep. - mié., 16 sep.
Multiple Airlines Logo
07:40 - 09:05
TRI
-
LHR
20h 25m
1 stop
Multiple Airlines Logo
12:55 - 22:49
LHR
-
TRI
14h 54m
1 stop
£672Multiple Airlines
lun., 7 sep. - mié., 16 sep.

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Scandinavian Airlines flights from Kentucky to London Heathrow Airport

Our best Scandinavian Airlines deals on Kentucky to London Heathrow Airport flight tickets
Scandinavian Airlines
30 Nov
TYS15:55Knoxville McGhee Tyson
19h 05m
2 stops
LHR16:00London Heathrow
9 Dec
LHR06:40London Heathrow
20h 05m
2 stops
TYS21:45Knoxville McGhee Tyson
£634
Scandinavian Airlines
30 Nov
TYS15:55Knoxville McGhee Tyson
19h 05m
2 stops
LHR16:00London Heathrow
11 Dec
LHR06:40London Heathrow
20h 05m
2 stops
TYS21:45Knoxville McGhee Tyson
£635
Scandinavian Airlines
30 Nov
TYS15:55Knoxville McGhee Tyson
19h 05m
2 stops
LHR16:00London Heathrow
11 Dec
LHR06:40London Heathrow
20h 05m
2 stops
TYS21:45Knoxville McGhee Tyson
£653

Iberia flights from Kentucky to London Heathrow Airport

Our best Iberia deals on Kentucky to London Heathrow Airport flight tickets
Iberia
9 Sept
SDF18:01Louisville Intl
13h 14m
1 stop
LHR12:15London Heathrow
22 Sept
LHR06:15London Heathrow
21h 18m
2 stops
SDF22:33Louisville Intl
£647
Iberia
9 Sept
SDF18:01Louisville Intl
13h 14m
1 stop
LHR12:15London Heathrow
22 Sept
LHR06:15London Heathrow
21h 18m
2 stops
SDF22:33Louisville Intl
£647
Iberia
9 Sept
SDF14:41Louisville Intl
14h 54m
2 stops
LHR10:35London Heathrow
22 Sept
LHR06:15London Heathrow
21h 18m
2 stops
SDF22:33Louisville Intl
£653

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 10 junio 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

Cheapest return flight

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

lun. 9/11

09:15-07:30

1 stop17h 15m

London Heathrow

mié. 11/11

06:50-19:17

2 stops17h 27m

£579

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

lun. 9/11

14:00-08:25

2 stops13h 25m

London Heathrow

mié. 11/11

06:50-19:17

2 stops17h 27m

£583

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

lun. 30/11

15:55-16:00

2 stops19h 05m

London Heathrow

mié. 9/12

06:40-21:45

2 stops20h 05m

£634

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

lun. 30/11

15:55-16:00

2 stops19h 05m

London Heathrow

vie. 11/12

06:40-21:45

2 stops20h 05m

£635

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

mié. 9/9

18:01-12:15

1 stop13h 14m

London Heathrow

mar. 22/9

06:15-22:33

2 stops21h 18m

£647

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

mié. 9/9

18:01-12:15

1 stop13h 14m

London Heathrow

mar. 22/9

06:15-22:33

2 stops21h 18m

£647

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

mar. 29/9

18:01-12:15

1 stop13h 14m

London Heathrow

mar. 27/10

07:30-21:39

2 stops18h 09m

£653
Fastest return journey

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

lun. 21/9

14:53-06:55

1 stop11h 02m

London Heathrow

vie. 2/10

09:15-19:10

1 stop14h 55m

£659

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

lun. 7/9

07:40-09:05

1 stop20h 25m

London Heathrow

mié. 16/9

12:55-22:49

1 stop14h 54m

£671

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

lun. 7/9

07:40-09:05

1 stop20h 25m

London Heathrow

mié. 16/9

12:55-22:49

1 stop14h 54m

£672

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, April 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 £337. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Kentucky averaging around £422.

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

Mon, Tue, Wed, Thu, Sat and Sun
The fastest flight from Kentucky to London Heathrow Airport takes 7h 40m
Direct flights go from Kentucky to London Heathrow Airport on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
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Frequently asked questions about flying from Kentucky to London Heathrow Airport

  • 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
Gatwick
Wembley
Luton
Stratford-upon-Avon
Slough
Southend-on-Sea
Maidstone
Northampton
Swindon
Ipswich
Ilford
Canterbury
Guildford
Poole
Folkestone
Hayes
Chelmsford
Bedford

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.

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