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Cheap flights from London Heathrow Airport to Knoxville from £449

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Knoxville

Cheap return flights

United Airlines Logo
09:00 - 23:59LHR-TYS
18h 59m2 stops
United Airlines Logo
11:45 - 07:30TYS-LHR
14h 45m1 stop
£484United Airlines
Find Deal
sab, 1 nov - sab, 22 nov
United Airlines Logo
09:00 - 10:05LHR-TYS
30h 05m2 stops
United Airlines Logo
14:25 - 06:40TYS-LHR
11h 15m1 stop
£484United Airlines
Find Deal
gio, 6 nov - gio, 20 nov
British Airways Logo
08:25 - 21:04LHR-TYS
17h 39m2 stops
British Airways Logo
14:59 - 06:55TYS-LHR
10h 56m1 stop
£496British Airways
Find Deal
lun, 3 nov - gio, 20 nov
British Airways Logo
12:15 - 21:00LHR-TYS
13h 45m1 stop
British Airways Logo
16:49 - 10:30TYS-LHR
12h 41m1 stop
£499British Airways
Find Deal
mer, 17 set - lun, 22 set
Lufthansa Logo
12:05 - 23:59LHR-TYS
16h 54m1 stop
Lufthansa Logo
13:52 - 05:55TYS-LHR
11h 03m1 stop
£509Lufthansa
Find Deal
lun, 3 nov - gio, 20 nov
Air Canada Logo
13:25 - 23:59LHR-TYS
15h 34m2 stops
Air Canada Logo
05:45 - 11:20TYS-LHR
24h 35m2 stops
£514Air Canada
Find Deal
sab, 8 nov - mer, 19 nov
Air Canada Logo
13:25 - 23:59LHR-TYS
15h 34m2 stops
Air Canada Logo
09:50 - 11:20TYS-LHR
20h 30m2 stops
£516Air Canada
Find Deal
sab, 8 nov - mer, 19 nov
Lufthansa Logo
11:05 - 22:45LHR-TYS
16h 40m1 stop
Lufthansa Logo
09:55 - 06:55TYS-LHR
16h 00m1 stop
£528Lufthansa
Find Deal
mer, 17 set - dom, 21 set
Virgin Atlantic Logo
11:20 - 19:03LHR-TYS
12h 43m1 stop
Virgin Atlantic Logo
16:13 - 10:30TYS-LHR
13h 17m2 stops
£877Virgin Atlantic
Find Deal
mar, 26 ago - mar, 16 set
Virgin Atlantic Logo
11:45 - 18:22LHR-TYS
11h 37m1 stop
Virgin Atlantic Logo
19:11 - 16:15TYS-LHR
16h 04m2 stops
£892Virgin Atlantic
Find Deal
lun, 8 set - lun, 29 set

Lufthansa flights from London Heathrow Airport to Knoxville

Our best Lufthansa deals on London Heathrow Airport to Knoxville flight tickets
Lufthansa
3 Nov
LHR12:05London Heathrow
16h 54m
1 stop
TYS23:59Knoxville McGhee Tyson
20 Nov
TYS13:52Knoxville McGhee Tyson
11h 03m
1 stop
LHR05:55London Heathrow
£509
Find similar
Lufthansa
17 Sept
LHR11:05London Heathrow
16h 40m
1 stop
TYS22:45Knoxville McGhee Tyson
21 Sept
TYS09:55Knoxville McGhee Tyson
16h 00m
1 stop
LHR06:55London Heathrow
£528
Find similar
Lufthansa
30 Aug
LHR07:25London Heathrow
18h 31m
2 stops
TYS20:56Knoxville McGhee Tyson
1 Sept
TYS19:25Knoxville McGhee Tyson
30h 30m
1 stop
LHR06:55London Heathrow
£561
Find similar

Air Canada flights from London Heathrow Airport to Knoxville

Our best Air Canada deals on London Heathrow Airport to Knoxville flight tickets
Air Canada
8 Nov
LHR13:25London Heathrow
15h 34m
2 stops
TYS23:59Knoxville McGhee Tyson
19 Nov
TYS05:45Knoxville McGhee Tyson
24h 35m
2 stops
LHR11:20London Heathrow
£514
Find similar
Air Canada
8 Nov
LHR13:25London Heathrow
15h 34m
2 stops
TYS23:59Knoxville McGhee Tyson
19 Nov
TYS09:50Knoxville McGhee Tyson
20h 30m
2 stops
LHR11:20London Heathrow
£516
Find similar
Air Canada
27 Aug
LHR14:05London Heathrow
38h 52m
2 stops
TYS23:57Knoxville McGhee Tyson
31 Aug
TYS19:25Knoxville McGhee Tyson
54h 05m
2 stops
LHR06:30London Heathrow
£629
Find similar

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 1 agosto 2025.
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

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

sab 1/11

09:00-23:59

2 stops18h 59m

Knoxville McGhee Tyson

sab 22/11

11:45-07:30

1 stop14h 45m

£484

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

gio 6/11

09:00-10:05

2 stops30h 05m

Knoxville McGhee Tyson

gio 20/11

14:25-06:40

1 stop11h 15m

£484

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

lun 3/11

08:25-21:04

2 stops17h 39m

Knoxville McGhee Tyson

gio 20/11

14:59-06:55

1 stop10h 56m

£496

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

mer 17/9

12:15-21:00

1 stop13h 45m

Knoxville McGhee Tyson

lun 22/9

16:49-10:30

1 stop12h 41m

£499

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

lun 3/11

12:05-23:59

1 stop16h 54m

Knoxville McGhee Tyson

gio 20/11

13:52-05:55

1 stop11h 03m

£509

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

sab 8/11

13:25-23:59

2 stops15h 34m

Knoxville McGhee Tyson

mer 19/11

05:45-11:20

2 stops24h 35m

£514

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

sab 8/11

13:25-23:59

2 stops15h 34m

Knoxville McGhee Tyson

mer 19/11

09:50-11:20

2 stops20h 30m

£516

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

mer 17/9

11:05-22:45

1 stop16h 40m

Knoxville McGhee Tyson

dom 21/9

09:55-06:55

1 stop16h 00m

£528

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

mar 26/8

11:20-19:03

1 stop12h 43m

Knoxville McGhee Tyson

mar 16/9

16:13-10:30

2 stops13h 17m

£877

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

lun 8/9

11:45-18:22

1 stop11h 37m

Knoxville McGhee Tyson

lun 29/9

19:11-16:15

2 stops16h 04m

£892

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 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 cheapest month to fly to Knoxville?

The month of November is, on average, the cheapest month to fly to Knoxville from London Heathrow Airport, with most prices found around £558. If you aren’t able to travel to Knoxville during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £569.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart on your flight to Knoxville is on a Monday when prices can be found for as low as £590. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £697. These prices are subject to change though, so be sure to set up a Price Alert for flights to Knoxville.

What is the cheapest time of day to depart on your flight to Knoxville?

Flying to Knoxville from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £574 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £645 on average. Flights to Knoxville from London Heathrow Airport 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 Knoxville?

You are more likely to see cheaper flights to Knoxville from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around £680 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from London Heathrow Airport for as low as £527 on momondo.

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

You could potentially save up to 22% 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

Best price found

£449

Fastest flight time

11h 37m

Direct flights

None

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from London Heathrow Airport in the past 72 hours is £449. The best return flight deal from London Heathrow Airport to Knoxville found on momondo in the last 72 hours is £484.
The fastest flight from London Heathrow Airport to Knoxville takes 11h 37m
There are no direct flights from London Heathrow Airport to Knoxville. Popular non-direct route for this connection is London Heathrow Airport - Knoxville McGhee Tyson Airport.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)
Search flight deals

  • 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 11h 37m.

  • 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 £473Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
United AirlinesPriceFrom £497Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
FinnairPriceFrom £516Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £519Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £524Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
IberiaPriceFrom £572Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
American AirlinesPriceFrom £596Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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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