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Cheap flights from London Heathrow Airport to Knoxville from £402

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 21/9. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Knoxville

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
06:40 - 23:52
LHR
-
TYS
22h 12m
2 stops
Scandinavian Airlines Logo
17:45 - 13:35
TYS
-
LHR
14h 50m
2 stops
£573Scandinavian Airlines
Thu, 3 Sep - Fri, 11 Sep
Scandinavian Airlines Logo
06:40 - 23:52
LHR
-
TYS
22h 12m
2 stops
Scandinavian Airlines Logo
14:16 - 18:30
TYS
-
LHR
23h 14m
2 stops
£576Scandinavian Airlines
Thu, 27 Aug - Thu, 3 Sep
Lufthansa Logo
08:30 - 20:24
LHR
-
TYS
16h 54m
2 stops
Lufthansa Logo
19:20 - 10:40
TYS
-
LHR
10h 20m
1 stop
£661Lufthansa
Wed, 2 Sep - Mon, 14 Sep
Lufthansa Logo
08:30 - 20:24
LHR
-
TYS
16h 54m
2 stops
Lufthansa Logo
18:02 - 19:40
TYS
-
LHR
20h 38m
2 stops
£664Lufthansa
Wed, 2 Sep - Mon, 14 Sep
British Airways Logo
09:15 - 17:31
LHR
-
TYS
13h 16m
1 stop
British Airways Logo
16:46 - 07:50
TYS
-
LHR
10h 04m
1 stop
£666British Airways
Mon, 14 Sep - Wed, 23 Sep
British Airways Logo
11:00 - 18:46
LHR
-
TYS
12h 46m
1 stop
British Airways Logo
11:31 - 06:55
TYS
-
LHR
14h 24m
1 stop
£675British Airways
Mon, 2 Nov - Thu, 5 Nov
United Airlines Logo
08:40 - 20:24
LHR
-
TYS
16h 44m
2 stops
United Airlines Logo
09:45 - 05:55
TYS
-
LHR
15h 10m
2 stops
£676United Airlines
Wed, 2 Sep - Mon, 14 Sep
United Airlines Logo
08:40 - 20:24
LHR
-
TYS
16h 44m
2 stops
United Airlines Logo
13:53 - 08:30
TYS
-
LHR
13h 37m
1 stop
£676United Airlines
Wed, 2 Sep - Mon, 14 Sep
Virgin Atlantic Logo
15:15 - 23:55
LHR
-
TYS
13h 40m
1 stop
Virgin Atlantic Logo
14:08 - 07:55
TYS
-
LHR
12h 47m
2 stops
£677Virgin Atlantic
Mon, 14 Sep - Wed, 23 Sep
Virgin Atlantic Logo
11:30 - 22:27
LHR
-
TYS
15h 57m
2 stops
Virgin Atlantic Logo
19:25 - 07:15
TYS
-
LHR
30h 50m
1 stop
£685Virgin Atlantic
Thu, 10 Sep - Thu, 17 Sep

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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
2 Sept
LHR08:30London Heathrow
16h 54m
2 stops
TYS20:24Knoxville McGhee Tyson
14 Sept
TYS19:20Knoxville McGhee Tyson
10h 20m
1 stop
LHR10:40London Heathrow
£661
Lufthansa
2 Sept
LHR08:30London Heathrow
16h 54m
2 stops
TYS20:24Knoxville McGhee Tyson
14 Sept
TYS18:02Knoxville McGhee Tyson
20h 38m
2 stops
LHR19:40London Heathrow
£664
Lufthansa
22 Nov
LHR19:30London Heathrow
30h 24m
2 stops
TYS20:54Knoxville McGhee Tyson
1 Dec
TYS14:20Knoxville McGhee Tyson
11h 20m
1 stop
LHR06:40London Heathrow
£674

Iberia flights from London Heathrow Airport to Knoxville

Our best Iberia deals on London Heathrow Airport to Knoxville flight tickets
Iberia
15 Sept
LHR06:15London Heathrow
18h 28m
2 stops
TYS19:43Knoxville McGhee Tyson
22 Sept
TYS20:14Knoxville McGhee Tyson
11h 01m
1 stop
LHR12:15London Heathrow
£712
Iberia
3 Aug
LHR14:45London Heathrow
12h 13m
1 stop
TYS21:58Knoxville McGhee Tyson
22 Sept
TYS11:20Knoxville McGhee Tyson
15h 20m
1 stop
LHR07:40London Heathrow
£1,045
Iberia
11 Aug
LHR06:15London Heathrow
22h 31m
2 stops
TYS23:46Knoxville McGhee Tyson
1 Oct
TYS20:15Knoxville McGhee Tyson
11h 00m
1 stop
LHR12:15London Heathrow
£1,108

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 3 August 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

Thu 3/9

06:40-23:52

2 stops22h 12m

Knoxville McGhee Tyson

Fri 11/9

17:45-13:35

2 stops14h 50m

£573

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 27/8

06:40-23:52

2 stops22h 12m

Knoxville McGhee Tyson

Thu 3/9

14:16-18:30

2 stops23h 14m

£576

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 2/9

08:30-20:24

2 stops16h 54m

Knoxville McGhee Tyson

Mon 14/9

19:20-10:40

1 stop10h 20m

£661

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 2/9

08:30-20:24

2 stops16h 54m

Knoxville McGhee Tyson

Mon 14/9

18:02-19:40

2 stops20h 38m

£664
Fastest return journey

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 14/9

09:15-17:31

1 stop13h 16m

Knoxville McGhee Tyson

Wed 23/9

16:46-07:50

1 stop10h 04m

£666

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 2/11

11:00-18:46

1 stop12h 46m

Knoxville McGhee Tyson

Thu 5/11

11:31-06:55

1 stop14h 24m

£675

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 2/9

08:40-20:24

2 stops16h 44m

Knoxville McGhee Tyson

Mon 14/9

09:45-05:55

2 stops15h 10m

£676

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 2/9

08:40-20:24

2 stops16h 44m

Knoxville McGhee Tyson

Mon 14/9

13:53-08:30

1 stop13h 37m

£676

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 14/9

15:15-23:55

1 stop13h 40m

Knoxville McGhee Tyson

Wed 23/9

14:08-07:55

2 stops12h 47m

£677

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 10/9

11:30-22:27

2 stops15h 57m

Knoxville McGhee Tyson

Thu 17/9

19:25-07:15

1 stop30h 50m

£685

Flights are sorted by cheapest return flights first.

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

Prices are currently low for flights on this route.

Typical prices usually range from £815 to £919.
The lowest price recently found on this route was £573.

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 £549. 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 £591.

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

You could potentially save up to 45% on your flight if you consider stops on a London Heathrow Airport to Knoxville flight.

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

16h 47m

Direct flights

None
The fastest flight from London Heathrow Airport to Knoxville takes 16h 47m
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 16h 47m.

  • 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
Virgin AtlanticPriceFrom £368Free CancellationRating
7.5
694 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom £455Free CancellationRating
6.8
8,174 reviews
Search Lufthansa flights
United AirlinesPriceFrom £464Free CancellationRating
7.4
10,058 reviews
Search United Airlines flights
British AirwaysPriceFrom £474Free CancellationRating
6.7
8,143 reviews
Search British Airways 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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