What is the cheapest airline that flies from Knoxville McGhee Tyson to London Heathrow?

British Airways and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to London Heathrow

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport?

Prices for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport refresh daily.

How old do you have to be to fly from Knoxville McGhee Tyson Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport 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.

£255 Cheap Flights from Knoxville to London Heathrow Airport in 2026

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Find the cheapest flights from Knoxville to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:35 - 10:50

TYS

LHR

18h 15m

1 stop

06:05 - 22:40

LHR

TYS

21h 35m

2 stops

£657Iberia

Tue, 13 Oct - Tue, 17 Nov

10:42 - 08:35

TYS

LHR

16h 53m

2 stops

06:50 - 19:36

LHR

TYS

17h 46m

2 stops

£661United Airlines

Wed, 14 Oct - Wed, 18 Nov

09:45 - 06:40

TYS

LHR

15h 55m

1 stop

06:35 - 19:17

LHR

TYS

17h 42m

2 stops

£662United Airlines

Mon, 30 Nov - Thu, 10 Dec

05:45 - 06:30

TYS

LHR

19h 45m

2 stops

08:45 - 23:56

LHR

TYS

20h 11m

2 stops

£663Multiple Airlines

Tue, 13 Oct - Tue, 17 Nov

19:20 - 21:20

TYS

LHR

21h 00m

2 stops

06:35 - 19:17

LHR

TYS

17h 42m

2 stops

£665United Airlines

Mon, 30 Nov - Thu, 10 Dec

15:53 - 06:55

TYS

LHR

10h 02m

1 stop

07:50 - 23:59

LHR

TYS

21h 09m

2 stops

£669British Airways

Wed, 30 Sep - Wed, 14 Oct

07:00 - 05:55

TYS

LHR

17h 55m

1 stop

07:30 - 21:05

LHR

TYS

18h 35m

2 stops

£676United Airlines

Mon, 30 Nov - Fri, 11 Dec

18:04 - 12:10

TYS

LHR

13h 06m

1 stop

06:15 - 17:35

LHR

TYS

16h 20m

2 stops

£679British Airways

Wed, 30 Sep - Thu, 15 Oct

19:20 - 10:50

TYS

LHR

10h 30m

1 stop

07:40 - 20:44

LHR

TYS

18h 04m

1 stop

£682United Airlines

Sun, 8 Nov - Thu, 19 Nov

17:55 - 12:00

TYS

LHR

13h 05m

1 stop

12:05 - 23:19

LHR

TYS

16h 14m

1 stop

£682United Airlines

Mon, 30 Nov - Thu, 10 Dec

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Delta flights from Knoxville to London Heathrow Airport

Our best Delta deals on Knoxville to London Heathrow Airport flight tickets

Delta

10 Nov

TYS10:05Knoxville McGhee Tyson

15h 20m

1 stop

LHR06:25London Heathrow

17 Nov

LHR06:30London Heathrow

17h 08m

2 stops

TYS18:38Knoxville McGhee Tyson

£685

Delta

10 Nov

TYS11:30Knoxville McGhee Tyson

13h 50m

2 stops

LHR06:20London Heathrow

17 Nov

LHR06:30London Heathrow

15h 48m

2 stops

TYS17:18Knoxville McGhee Tyson

£688

Delta

30 Sept

TYS10:26Knoxville McGhee Tyson

15h 44m

2 stops

LHR07:10London Heathrow

14 Oct

LHR09:55London Heathrow

16h 52m

2 stops

TYS21:47Knoxville McGhee Tyson

£689

United Airlines flights from Knoxville to London Heathrow Airport

Our best United Airlines deals on Knoxville to London Heathrow Airport flight tickets

United Airlines

14 Oct

TYS10:42Knoxville McGhee Tyson

16h 53m

2 stops

LHR08:35London Heathrow

18 Nov

LHR06:50London Heathrow

17h 46m

2 stops

TYS19:36Knoxville McGhee Tyson

£661

United Airlines

30 Nov

TYS09:45Knoxville McGhee Tyson

15h 55m

1 stop

LHR06:40London Heathrow

10 Dec

LHR06:35London Heathrow

17h 42m

2 stops

TYS19:17Knoxville McGhee Tyson

£662

United Airlines

30 Nov

TYS19:20Knoxville McGhee Tyson

21h 00m

2 stops

LHR21:20London Heathrow

10 Dec

LHR06:35London Heathrow

17h 42m

2 stops

TYS19:17Knoxville McGhee Tyson

£665

momondo Fare Finder

Use the filters below to find and compare flights from Knoxville 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

Tue 13/10

11:35-10:50

1 stop18h 15m

London Heathrow

Tue 17/11

06:05-22:40

2 stops21h 35m

£657

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 14/10

10:42-08:35

2 stops16h 53m

London Heathrow

Wed 18/11

06:50-19:36

2 stops17h 46m

£661

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 30/11

09:45-06:40

1 stop15h 55m

London Heathrow

Thu 10/12

06:35-19:17

2 stops17h 42m

£662

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 13/10

05:45-06:30

2 stops19h 45m

London Heathrow

Tue 17/11

08:45-23:56

2 stops20h 11m

£663

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 30/11

19:20-21:20

2 stops21h 00m

London Heathrow

Thu 10/12

06:35-19:17

2 stops17h 42m

£665

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 30/9

15:53-06:55

1 stop10h 02m

London Heathrow

Wed 14/10

07:50-23:59

2 stops21h 09m

£669

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 30/11

07:00-05:55

1 stop17h 55m

London Heathrow

Fri 11/12

07:30-21:05

2 stops18h 35m

£676

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 30/9

18:04-12:10

1 stop13h 06m

London Heathrow

Thu 15/10

06:15-17:35

2 stops16h 20m

£679

Fastest return journey

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 8/11

19:20-10:50

1 stop10h 30m

London Heathrow

Thu 19/11

07:40-20:44

1 stop18h 04m

£682

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 30/11

17:55-12:00

1 stop13h 05m

London Heathrow

Thu 10/12

12:05-23:19

1 stop16h 14m

£682

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Knoxville 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

Prices

Airlines

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

In general, November is the cheapest month to fly from Knoxville to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £596. The month of August is another great option to travel to London Heathrow Airport, with average flight prices from Knoxville averaging around £613.

Can stopping save me money on Knoxville to London Heathrow Airport flights?

You could potentially save up to 4% on your flight if you consider stops on a Knoxville to London Heathrow Airport flight.

When to book flights from Knoxville to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Knoxville to London Heathrow Airport (TYS to LHR) flight deals and tips

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

Fastest flight time	10h 15m
Direct flights	None

The fastest flight from Knoxville to London Heathrow Airport takes 10h 15m

There are no direct flights from Knoxville to London Heathrow Airport. There are no popular flight routes from Knoxville to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Knoxville to London Heathrow Airport

How far is Knoxville McGhee Tyson to London Heathrow by plane?
Knoxville McGhee Tyson and London Heathrow are 4065.6 mi apart from one another. Typically, this will take 10h 15m by plane in normal conditions.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport?
Prices for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport refresh daily.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport 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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Luton

Stratford-upon-Avon

Southend-on-Sea

Slough

Northampton

Maidstone

Ipswich

Swindon

Ilford

Folkestone

Canterbury

Poole

Guildford

Hayes

Hastings

Chichester

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Knoxville.

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

momondo does allow users to show only those flights to London from Knoxville which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to London from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to London from Knoxville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.