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Cheap flights from London Heathrow Airport to Knoxville from $552

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 5/12. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:50 am - 7:29 pm
LHR
-
TYS
16h 39m
2 stops
Multiple Airlines Logo
5:43 pm - 11:15 am
TYS
-
LHR
13h 32m
1 stop
$789Multiple Airlines
wt., mar 10 - wt., mar 17
Multiple Airlines Logo
6:50 am - 7:29 pm
LHR
-
TYS
16h 39m
2 stops
Multiple Airlines Logo
5:43 pm - 3:50 pm
TYS
-
LHR
18h 07m
2 stops
$794Multiple Airlines
wt., mar 10 - wt., mar 17
British Airways Logo
2:45 pm - 10:48 pm
LHR
-
TYS
12h 03m
1 stop
British Airways Logo
5:47 pm - 12:00 pm
TYS
-
LHR
14h 13m
1 stop
$803British Airways
wt., mar 10 - wt., mar 17
Virgin Atlantic Logo
9:55 am - 9:40 pm
LHR
-
TYS
16h 45m
2 stops
Virgin Atlantic Logo
7:00 pm - 1:15 pm
TYS
-
LHR
13h 15m
1 stop
$809Virgin Atlantic
śr., kwi 29 - pon., maj 4
British Airways Logo
11:10 am - 8:18 pm
LHR
-
TYS
14h 08m
1 stop
British Airways Logo
6:38 pm - 10:20 am
TYS
-
LHR
10h 42m
1 stop
$817British Airways
śr., kwi 29 - pon., maj 4
Multiple Airlines Logo
6:30 am - 8:47 pm
LHR
-
TYS
18h 17m
2 stops
Multiple Airlines Logo
5:48 pm - 2:20 pm
TYS
-
LHR
15h 32m
2 stops
$819Multiple Airlines
śr., mar 25 - pon., mar 30
United Airlines Logo
6:35 am - 8:47 pm
LHR
-
TYS
18h 12m
2 stops
United Airlines Logo
9:40 am - 6:20 am
TYS
-
LHR
16h 40m
2 stops
$835United Airlines
czw., mar 19 - pon., mar 23
United Airlines Logo
7:30 am - 7:29 pm
LHR
-
TYS
15h 59m
2 stops
United Airlines Logo
9:40 am - 5:55 am
TYS
-
LHR
16h 15m
2 stops
$838United Airlines
czw., mar 19 - pon., mar 23
United Airlines Logo
1:30 pm - 10:49 am
LHR
-
TYS
25h 19m
2 stops
United Airlines Logo
10:55 am - 5:55 am
TYS
-
LHR
15h 00m
1 stop
$839United Airlines
czw., mar 19 - pon., mar 23
United Airlines Logo
6:30 am - 7:29 pm
LHR
-
TYS
16h 59m
2 stops
United Airlines Logo
10:55 am - 5:55 am
TYS
-
LHR
15h 00m
1 stop
$840United Airlines
czw., mar 19 - pon., mar 23

British Airways flights from London Heathrow Airport to Knoxville

Our best British Airways deals on London Heathrow Airport to Knoxville flight tickets
British Airways
Mar 10
LHR2:45 pmLondon Heathrow
12h 03m
1 stop
TYS10:48 pmKnoxville McGhee Tyson
Mar 17
TYS5:47 pmKnoxville McGhee Tyson
14h 13m
1 stop
LHR12:00 pmLondon Heathrow
$803
British Airways
Apr 29
LHR11:10 amLondon Heathrow
14h 08m
1 stop
TYS8:18 pmKnoxville McGhee Tyson
May 4
TYS6:38 pmKnoxville McGhee Tyson
10h 42m
1 stop
LHR10:20 amLondon Heathrow
$817
British Airways
May 18
LHR12:15 pmLondon Heathrow
13h 03m
1 stop
TYS8:18 pmKnoxville McGhee Tyson
Jun 3
TYS6:26 pmKnoxville McGhee Tyson
11h 49m
1 stop
LHR11:15 amLondon Heathrow
$1,014

Delta flights from London Heathrow Airport to Knoxville

Our best Delta deals on London Heathrow Airport to Knoxville flight tickets
Delta
May 18
LHR3:15 pmLondon Heathrow
24h 57m
1 stop
TYS11:12 amKnoxville McGhee Tyson
Jun 3
TYS11:44 amKnoxville McGhee Tyson
16h 06m
2 stops
LHR8:50 amLondon Heathrow
$1,032
Delta
Feb 20
LHR8:40 amLondon Heathrow
16h 20m
2 stops
TYS8:00 pmKnoxville McGhee Tyson
Mar 7
TYS1:30 pmKnoxville McGhee Tyson
14h 35m
1 stop
LHR9:05 amLondon Heathrow
$1,252

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated Luty 12, 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

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

wt. 3/10

6:50 am-7:29 pm

2 stops16h 39m

Knoxville McGhee Tyson

wt. 3/17

5:43 pm-11:15 am

1 stop13h 32m

$789

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

wt. 3/10

6:50 am-7:29 pm

2 stops16h 39m

Knoxville McGhee Tyson

wt. 3/17

5:43 pm-3:50 pm

2 stops18h 07m

$794

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

wt. 3/10

2:45 pm-10:48 pm

1 stop12h 03m

Knoxville McGhee Tyson

wt. 3/17

5:47 pm-12:00 pm

1 stop14h 13m

$803

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

śr. 4/29

9:55 am-9:40 pm

2 stops16h 45m

Knoxville McGhee Tyson

pon. 5/4

7:00 pm-1:15 pm

1 stop13h 15m

$809

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

śr. 4/29

11:10 am-8:18 pm

1 stop14h 08m

Knoxville McGhee Tyson

pon. 5/4

6:38 pm-10:20 am

1 stop10h 42m

$817

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

śr. 3/25

6:30 am-8:47 pm

2 stops18h 17m

Knoxville McGhee Tyson

pon. 3/30

5:48 pm-2:20 pm

2 stops15h 32m

$819

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

czw. 3/19

6:35 am-8:47 pm

2 stops18h 12m

Knoxville McGhee Tyson

pon. 3/23

9:40 am-6:20 am

2 stops16h 40m

$835

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

czw. 3/19

7:30 am-7:29 pm

2 stops15h 59m

Knoxville McGhee Tyson

pon. 3/23

9:40 am-5:55 am

2 stops16h 15m

$838

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

czw. 3/19

1:30 pm-10:49 am

2 stops25h 19m

Knoxville McGhee Tyson

pon. 3/23

10:55 am-5:55 am

1 stop15h 00m

$839

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

czw. 3/19

6:30 am-7:29 pm

2 stops16h 59m

Knoxville McGhee Tyson

pon. 3/23

10:55 am-5:55 am

1 stop15h 00m

$840

Flights are sorted by cheapest round-trip 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 September is, on average, the cheapest month to fly to Knoxville from London Heathrow Airport, with most prices found around $697. If you aren’t able to travel during the month of September, then book flights to Knoxville from London Heathrow Airport during March instead. Flights to Knoxville in March, while not as cheap as those in September, still average around $753.

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 $964 when searching weeks out. 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 $783 on momondo.

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

You could potentially save up to 19% 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 round-trip 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

12h 07m

Direct flights

None
The fastest flight from London Heathrow Airport to Knoxville takes 12h 07m
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

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

    London Heathrow and Knoxville McGhee Tyson are 4065.6 mi apart from one another. By plane, this route typically takes 12h 07m.

  • 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 refresh 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 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 London Heathrow Airport to Knoxville McGhee Tyson Airport.

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

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
British AirwaysPriceFrom $720Free CancellationRating
6.7
7,736 reviews
Search British Airways flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Alcoa
Crossville
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
Rockford

Why use momondo?

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

Finding the right flight to Knoxville from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.

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

Yes. All flights to Knoxville from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Knoxville from London.

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

If you are not ready to book a flight from London to Knoxville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knoxville and let you know when they change.

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