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Cheap flights from Knoxville to London from £205

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 11/11. 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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Cheap return flights

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Delta Logo
20:07 - 11:40TYS-LHR
10h 33m1 stop
Delta Logo
06:30 - 20:00LHR-TYS
18h 30m2 stops
£452Delta
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Sun, 30 Nov - Sun, 7 Dec
United Airlines Logo
05:45 - 07:10TYS-LHR
20h 25m2 stops
United Airlines Logo
07:40 - 19:29LHR-TYS
16h 49m2 stops
£470United Airlines
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Tue, 2 Dec - Mon, 8 Dec
KLM Logo
20:07 - 11:40TYS-LHR
10h 33m1 stop
KLM Logo
08:55 - 17:09LHR-TYS
13h 14m1 stop
£473KLM
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Sun, 30 Nov - Sun, 7 Dec
Delta Logo
16:06 - 11:40TYS-LHR
14h 34m1 stop
Delta Logo
06:30 - 20:47LHR-TYS
19h 17m2 stops
£475Delta
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Thu, 19 Feb - Thu, 26 Feb
KLM Logo
14:37 - 07:50TYS-LHR
12h 13m1 stop
KLM Logo
15:50 - 23:50LHR-TYS
13h 00m1 stop
£480KLM
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Thu, 19 Feb - Thu, 26 Feb
Virgin Atlantic Logo
15:53 - 07:50TYS-LHR
10h 57m1 stop
Virgin Atlantic Logo
13:00 - 20:00LHR-TYS
12h 00m1 stop
£492Virgin Atlantic
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Fri, 14 Nov - Tue, 18 Nov
Virgin Atlantic Logo
14:41 - 07:50TYS-LHR
12h 09m1 stop
Virgin Atlantic Logo
10:10 - 21:59LHR-TYS
16h 49m2 stops
£496Virgin Atlantic
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Fri, 14 Nov - Tue, 18 Nov
Lufthansa Logo
19:20 - 15:50TYS-LHR
15h 30m2 stops
Lufthansa Logo
11:10 - 22:55LHR-TYS
16h 45m2 stops
£498Lufthansa
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Fri, 14 Nov - Thu, 20 Nov
Lufthansa Logo
19:20 - 15:50TYS-LHR
15h 30m2 stops
Lufthansa Logo
07:30 - 20:20LHR-TYS
17h 50m2 stops
£509Lufthansa
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Fri, 14 Nov - Thu, 20 Nov
Scandinavian Airlines Logo
15:53 - 16:00TYS-LHR
19h 07m2 stops
Scandinavian Airlines Logo
07:05 - 23:28LHR-TYS
21h 23m3 stops
£676Scandinavian Airlines
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Mon, 1 Dec - Mon, 8 Dec

KLM flights from Knoxville to London Heathrow Airport

Our best KLM deals on Knoxville to London Heathrow Airport flight tickets
KLM
30 Nov
TYS20:07Knoxville McGhee Tyson
10h 33m
1 stop
LHR11:40London Heathrow
7 Dec
LHR08:55London Heathrow
13h 14m
1 stop
TYS17:09Knoxville McGhee Tyson
£473
Find similar
KLM
19 Feb
TYS14:37Knoxville McGhee Tyson
12h 13m
1 stop
LHR07:50London Heathrow
26 Feb
LHR15:50London Heathrow
13h 00m
1 stop
TYS23:50Knoxville McGhee Tyson
£480
Find similar
KLM
14 Nov
TYS14:41Knoxville McGhee Tyson
12h 09m
1 stop
LHR07:50London Heathrow
20 Nov
LHR13:00London Heathrow
12h 00m
1 stop
TYS20:00Knoxville McGhee Tyson
£493
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United Airlines flights from Knoxville to London Heathrow Airport

Our best United Airlines deals on Knoxville to London Heathrow Airport flight tickets
United Airlines
2 Dec
TYS05:45Knoxville McGhee Tyson
20h 25m
2 stops
LHR07:10London Heathrow
8 Dec
LHR07:40London Heathrow
16h 49m
2 stops
TYS19:29Knoxville McGhee Tyson
£470
Find similar
United Airlines
19 Feb
TYS10:55Knoxville McGhee Tyson
14h 45m
2 stops
LHR06:40London Heathrow
26 Feb
LHR06:35London Heathrow
17h 54m
2 stops
TYS19:29Knoxville McGhee Tyson
£479
Find similar
United Airlines
8 Mar
TYS06:55Knoxville McGhee Tyson
20h 35m
1 stop
LHR07:30London Heathrow
15 Mar
LHR11:30London Heathrow
27h 18m
2 stops
TYS10:48Knoxville McGhee Tyson
£547
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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 4 November 2025.
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

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 30/11

20:07-11:40

1 stop10h 33m

London Heathrow

Sun 7/12

06:30-20:00

2 stops18h 30m

£452

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 2/12

05:45-07:10

2 stops20h 25m

London Heathrow

Mon 8/12

07:40-19:29

2 stops16h 49m

£470

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 30/11

20:07-11:40

1 stop10h 33m

London Heathrow

Sun 7/12

08:55-17:09

1 stop13h 14m

£473

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 19/2

16:06-11:40

1 stop14h 34m

London Heathrow

Thu 26/2

06:30-20:47

2 stops19h 17m

£475

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 19/2

14:37-07:50

1 stop12h 13m

London Heathrow

Thu 26/2

15:50-23:50

1 stop13h 00m

£480

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 14/11

15:53-07:50

1 stop10h 57m

London Heathrow

Tue 18/11

13:00-20:00

1 stop12h 00m

£492

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 14/11

14:41-07:50

1 stop12h 09m

London Heathrow

Tue 18/11

10:10-21:59

2 stops16h 49m

£496

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 14/11

19:20-15:50

2 stops15h 30m

London Heathrow

Thu 20/11

11:10-22:55

2 stops16h 45m

£498

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 14/11

19:20-15:50

2 stops15h 30m

London Heathrow

Thu 20/11

07:30-20:20

2 stops17h 50m

£509

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 1/12

15:53-16:00

2 stops19h 07m

London Heathrow

Mon 8/12

07:05-23:28

3 stops21h 23m

£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, February 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 £516. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Knoxville averaging around £566.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Knoxville is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £516. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £865.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Knoxville to London Heathrow Airport in the afternoon for as low as £534. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £856 on average. Flights to London Heathrow Airport from Knoxville in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £700 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 £545 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

Direct flights

None
There are no direct flights from Knoxville to London Heathrow Airport. There are no popular flight routes from Knoxville to London Heathrow Airport.
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  • 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 9h 56m 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 many operators does momondo search for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport?

  • 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.

  • What is the most popular airline from Knoxville to London Heathrow Airport?

Best airlines flying from Knoxville to London Heathrow Airport

Compare and see reviews for airlines that fly from Knoxville to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom £516Free CancellationRating
7.4
1,556 reviews
Search Scandinavian Airlines flights

Travelling to a place near London?

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Ipswich
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Swanage
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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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