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Cheap flights from London Heathrow Airport to Knoxville from £403

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Knoxville departing on 4/9. 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 London Heathrow Airport to Knoxville

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
07:30 - 19:17
LHR
-
TYS
16h 47m
2 stops
Lufthansa Logo
14:20 - 06:40
TYS
-
LHR
11h 20m
1 stop
£635Lufthansa
Sun, 22 Nov - Tue, 1 Dec
Lufthansa Logo
07:30 - 19:17
LHR
-
TYS
16h 47m
2 stops
Lufthansa Logo
14:20 - 06:40
TYS
-
LHR
11h 20m
1 stop
£636Lufthansa
Sun, 22 Nov - Tue, 1 Dec
Lufthansa Logo
07:30 - 19:17
LHR
-
TYS
16h 47m
2 stops
Lufthansa Logo
14:00 - 12:50
TYS
-
LHR
17h 50m
2 stops
£638Lufthansa
Sun, 22 Nov - Tue, 1 Dec
Lufthansa Logo
07:30 - 19:17
LHR
-
TYS
16h 47m
2 stops
Lufthansa Logo
14:00 - 12:50
TYS
-
LHR
17h 50m
2 stops
£639Lufthansa
Sun, 22 Nov - Tue, 1 Dec
Lufthansa Logo
10:30 - 23:37
LHR
-
TYS
18h 07m
2 stops
Lufthansa Logo
14:00 - 05:55
TYS
-
LHR
10h 55m
1 stop
£641Lufthansa
Sat, 21 Nov - Fri, 27 Nov
Lufthansa Logo
07:30 - 20:24
LHR
-
TYS
17h 54m
2 stops
Lufthansa Logo
09:45 - 06:55
TYS
-
LHR
16h 10m
1 stop
£644Lufthansa
Tue, 1 Sep - Thu, 10 Sep
Lufthansa Logo
07:30 - 19:17
LHR
-
TYS
16h 47m
2 stops
Lufthansa Logo
14:20 - 06:40
TYS
-
LHR
11h 20m
1 stop
£648Lufthansa
Sun, 22 Nov - Tue, 1 Dec
British Airways Logo
12:30 - 20:07
LHR
-
TYS
12h 37m
1 stop
British Airways Logo
15:41 - 06:55
TYS
-
LHR
10h 14m
1 stop
£648British Airways
Tue, 1 Sep - Thu, 10 Sep
United Airlines Logo
07:25 - 20:24
LHR
-
TYS
17h 59m
2 stops
United Airlines Logo
19:20 - 06:55
TYS
-
LHR
30h 35m
1 stop
£649United Airlines
Thu, 3 Sep - Mon, 7 Sep
Finnair Logo
18:05 - 15:42
LHR
-
TYS
26h 37m
2 stops
Finnair Logo
18:10 - 12:10
TYS
-
LHR
13h 00m
1 stop
£650Finnair
Wed, 1 Jul - Wed, 15 Jul

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Lufthansa flights from London Heathrow Airport to Knoxville

Our best Lufthansa deals on London Heathrow Airport to Knoxville flight tickets
Lufthansa
22 Nov
LHR07:30London Heathrow
16h 47m
2 stops
TYS19:17Knoxville McGhee Tyson
1 Dec
TYS14:20Knoxville McGhee Tyson
11h 20m
1 stop
LHR06:40London Heathrow
£635
Lufthansa
22 Nov
LHR07:30London Heathrow
16h 47m
2 stops
TYS19:17Knoxville McGhee Tyson
1 Dec
TYS14:20Knoxville McGhee Tyson
11h 20m
1 stop
LHR06:40London Heathrow
£636
Lufthansa
22 Nov
LHR07:30London Heathrow
16h 47m
2 stops
TYS19:17Knoxville McGhee Tyson
1 Dec
TYS14:00Knoxville McGhee Tyson
17h 50m
2 stops
LHR12:50London Heathrow
£638

United Airlines flights from London Heathrow Airport to Knoxville

Our best United Airlines deals on London Heathrow Airport to Knoxville flight tickets
United Airlines
3 Sept
LHR07:25London Heathrow
17h 59m
2 stops
TYS20:24Knoxville McGhee Tyson
7 Sept
TYS19:20Knoxville McGhee Tyson
30h 35m
1 stop
LHR06:55London Heathrow
£649
United Airlines
29 Sept
LHR06:50London Heathrow
19h 10m
2 stops
TYS21:00Knoxville McGhee Tyson
3 Oct
TYS09:45Knoxville McGhee Tyson
16h 10m
1 stop
LHR06:55London Heathrow
£651
United Airlines
29 Sept
LHR06:50London Heathrow
19h 10m
2 stops
TYS21:00Knoxville McGhee Tyson
3 Oct
TYS09:45Knoxville McGhee Tyson
16h 10m
1 stop
LHR06:55London Heathrow
£652

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Knoxville 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 18 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 22/11

07:30-19:17

2 stops16h 47m

Knoxville McGhee Tyson

Tue 1/12

14:20-06:40

1 stop11h 20m

£635

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 22/11

07:30-19:17

2 stops16h 47m

Knoxville McGhee Tyson

Tue 1/12

14:20-06:40

1 stop11h 20m

£636

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 22/11

07:30-19:17

2 stops16h 47m

Knoxville McGhee Tyson

Tue 1/12

14:00-12:50

2 stops17h 50m

£638

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 22/11

07:30-19:17

2 stops16h 47m

Knoxville McGhee Tyson

Tue 1/12

14:00-12:50

2 stops17h 50m

£639

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 21/11

10:30-23:37

2 stops18h 07m

Knoxville McGhee Tyson

Fri 27/11

14:00-05:55

1 stop10h 55m

£641

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 1/9

07:30-20:24

2 stops17h 54m

Knoxville McGhee Tyson

Thu 10/9

09:45-06:55

1 stop16h 10m

£644

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 22/11

07:30-19:17

2 stops16h 47m

Knoxville McGhee Tyson

Tue 1/12

14:20-06:40

1 stop11h 20m

£648
Fastest return journey

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 1/9

12:30-20:07

1 stop12h 37m

Knoxville McGhee Tyson

Thu 10/9

15:41-06:55

1 stop10h 14m

£648

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 3/9

07:25-20:24

2 stops17h 59m

Knoxville McGhee Tyson

Mon 7/9

19:20-06:55

1 stop30h 35m

£649

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 1/7

18:05-15:42

2 stops26h 37m

Knoxville McGhee Tyson

Wed 15/7

18:10-12:10

1 stop13h 00m

£650

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Knoxville from

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

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 London Heathrow Airport and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of September is, on average, the cheapest month to fly to Knoxville from London Heathrow Airport, with most prices found around £521. If you aren’t able to travel to Knoxville during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £595.

When to book flights from London Heathrow Airport to Knoxville

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

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

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

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from London Heathrow Airport to Knoxville takes 15h 10m
There are no direct flights from London Heathrow Airport to Knoxville. There are no popular flight routes from London Heathrow Airport to Knoxville.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Knoxville

  • How far is London Heathrow to Knoxville McGhee Tyson by plane?

    The distance between London Heathrow and Knoxville McGhee Tyson is about 4065.6 mi. A reasonable flight in good conditions will take 15h 10m.

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

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

  • How many operators does momondo search for flights from London Heathrow Airport to Knoxville McGhee Tyson Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The required travel and health documents for your Knoxville McGhee Tyson 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 Knoxville McGhee Tyson 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 London Heathrow Airport to Knoxville?

Best airlines flying from London Heathrow Airport to Knoxville

Compare and see reviews for airlines that fly from London Heathrow Airport to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £457Free CancellationRating
6.8
8,069 reviews
Search Lufthansa flights
United AirlinesPriceFrom £468Free CancellationRating
7.4
9,858 reviews
Search United Airlines flights
British AirwaysPriceFrom £474Free CancellationRating
6.7
8,054 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £508Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights

Travelling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Newport

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Knoxville . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for London to Knoxville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for London to Knoxville 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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