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Cheap flights from Knoxville to London from £371

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to London departing on 8/6. 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
0 bags
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Find the cheapest flights from Knoxville to London

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
17:57 - 16:00
TYS
-
LHR
17h 03m
2 stops
Scandinavian Airlines Logo
06:40 - 23:46
LHR
-
TYS
22h 06m
2 stops
£632Scandinavian Airlines
Mon, 9 Nov - Wed, 18 Nov
Scandinavian Airlines Logo
17:57 - 18:30
TYS
-
LHR
19h 33m
2 stops
Scandinavian Airlines Logo
06:40 - 23:46
LHR
-
TYS
22h 06m
2 stops
£633Scandinavian Airlines
Mon, 9 Nov - Wed, 18 Nov
Scandinavian Airlines Logo
17:57 - 16:00
TYS
-
LHR
17h 03m
2 stops
Scandinavian Airlines Logo
07:05 - 23:46
LHR
-
TYS
21h 41m
3 stops
£658Scandinavian Airlines
Mon, 9 Nov - Wed, 18 Nov
Lufthansa Logo
14:00 - 05:55
TYS
-
LHR
10h 55m
1 stop
Lufthansa Logo
07:40 - 19:17
LHR
-
TYS
16h 37m
2 stops
£669Lufthansa
Mon, 9 Nov - Wed, 18 Nov
Iberia Logo
17:04 - 10:50
TYS
-
LHR
12h 46m
1 stop
Iberia Logo
06:15 - 21:15
LHR
-
TYS
20h 00m
2 stops
£670Iberia
Mon, 14 Sep - Wed, 23 Sep
Delta Logo
05:45 - 06:25
TYS
-
LHR
19h 40m
1 stop
Delta Logo
06:30 - 17:35
LHR
-
TYS
16h 05m
2 stops
£672Delta
Mon, 17 Aug - Thu, 27 Aug
Delta Logo
14:30 - 13:15
TYS
-
LHR
17h 45m
1 stop
Delta Logo
06:30 - 18:17
LHR
-
TYS
16h 47m
2 stops
£673Delta
Wed, 2 Sep - Wed, 9 Sep
Delta Logo
18:15 - 13:05
TYS
-
LHR
13h 50m
1 stop
Delta Logo
06:30 - 16:34
LHR
-
TYS
15h 04m
2 stops
£674Delta
Wed, 19 Aug - Wed, 2 Sep
United Airlines Logo
09:45 - 06:30
TYS
-
LHR
15h 45m
2 stops
United Airlines Logo
06:50 - 16:58
LHR
-
TYS
15h 08m
2 stops
£675United Airlines
Tue, 1 Sep - Thu, 10 Sep
Delta Logo
12:01 - 07:10
TYS
-
LHR
14h 09m
2 stops
Delta Logo
06:30 - 18:17
LHR
-
TYS
16h 47m
2 stops
£676Delta
Wed, 19 Aug - Wed, 2 Sep

British Airways flights from Knoxville to London Heathrow Airport

Our best British Airways deals on Knoxville to London Heathrow Airport flight tickets
British Airways
19 Aug
TYS18:37Knoxville McGhee Tyson
10h 43m
1 stop
LHR10:20London Heathrow
2 Sept
LHR12:30London Heathrow
12h 43m
1 stop
TYS20:13Knoxville McGhee Tyson
£686
British Airways
19 Aug
TYS11:34Knoxville McGhee Tyson
15h 21m
1 stop
LHR07:55London Heathrow
2 Sept
LHR09:45London Heathrow
13h 57m
1 stop
TYS18:42Knoxville McGhee Tyson
£687
British Airways
9 Nov
TYS17:52Knoxville McGhee Tyson
11h 33m
1 stop
LHR10:25London Heathrow
18 Nov
LHR13:50London Heathrow
14h 04m
1 stop
TYS22:54Knoxville McGhee Tyson
£688

Lufthansa flights from Knoxville to London Heathrow Airport

Our best Lufthansa deals on Knoxville to London Heathrow Airport flight tickets
Lufthansa
14 Sept
TYS18:02Knoxville McGhee Tyson
12h 53m
1 stop
LHR11:55London Heathrow
23 Sept
LHR08:00London Heathrow
13h 58m
1 stop
TYS16:58Knoxville McGhee Tyson
£682
Lufthansa
2 Sept
TYS09:45Knoxville McGhee Tyson
16h 55m
2 stops
LHR07:40London Heathrow
9 Sept
LHR08:00London Heathrow
13h 58m
1 stop
TYS16:58Knoxville McGhee Tyson
£696
Lufthansa
12 Aug
TYS18:02Knoxville McGhee Tyson
12h 53m
1 stop
LHR11:55London Heathrow
21 Aug
LHR09:00London Heathrow
19h 59m
2 stops
TYS23:59Knoxville McGhee Tyson
£704

momondo Fare Finder

 
Customise your flight search to find flights from Knoxville 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 23 May 2026.
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

Mon 9/11

17:57-16:00

2 stops17h 03m

London Heathrow

Wed 18/11

06:40-23:46

2 stops22h 06m

£632

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 9/11

17:57-18:30

2 stops19h 33m

London Heathrow

Wed 18/11

06:40-23:46

2 stops22h 06m

£633

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 9/11

17:57-16:00

2 stops17h 03m

London Heathrow

Wed 18/11

07:05-23:46

3 stops21h 41m

£658
Fastest return journey

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 9/11

14:00-05:55

1 stop10h 55m

London Heathrow

Wed 18/11

07:40-19:17

2 stops16h 37m

£669

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 14/9

17:04-10:50

1 stop12h 46m

London Heathrow

Wed 23/9

06:15-21:15

2 stops20h 00m

£670

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 17/8

05:45-06:25

1 stop19h 40m

London Heathrow

Thu 27/8

06:30-17:35

2 stops16h 05m

£672

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 2/9

14:30-13:15

1 stop17h 45m

London Heathrow

Wed 9/9

06:30-18:17

2 stops16h 47m

£673

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 19/8

18:15-13:05

1 stop13h 50m

London Heathrow

Wed 2/9

06:30-16:34

2 stops15h 04m

£674

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 1/9

09:45-06:30

2 stops15h 45m

London Heathrow

Thu 10/9

06:50-16:58

2 stops15h 08m

£675

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 19/8

12:01-07:10

2 stops14h 09m

London Heathrow

Wed 2/9

06:30-18:17

2 stops16h 47m

£676

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 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

What is the typical price of a round-trip flight between Knoxville and London Heathrow Airport?

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

In general, January 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 £497. The month of August is another great option to travel to London Heathrow Airport, with average flight prices from Knoxville averaging around £555.

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

You are more likely to see cheaper flights to London Heathrow Airport from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £731 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 Knoxville for as low as £495 on momondo.

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 20m

Direct flights

None
The fastest flight from Knoxville to London Heathrow Airport takes 10h 20m
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 20m 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.

Travelling to a place near London?

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

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.

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