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?

As of December 2025, there is 1 operator available to choose from for flights 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.

$473 Cheap Flights from London Heathrow Airport to Knoxville in 2025/26

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Find the cheapest flights from London Heathrow Airport to Knoxville

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:45 am - 7:08 pm

LHR

TYS

12h 23m1 stop

8:44 pm - 12:30 pm

TYS

LHR

10h 46m1 stop

$684British Airways

Tue, Mar 3 - Tue, Apr 28

8:15 am - 10:02 pm

LHR

TYS

18h 47m2 stops

8:44 pm - 9:05 am

TYS

LHR

31h 21m1 stop

$702British Airways

Tue, Mar 3 - Sun, Apr 26

12:35 pm - 9:23 pm

LHR

TYS

13h 48m1 stop

6:22 pm - 9:05 am

TYS

LHR

9h 43m1 stop

$713British Airways

Mon, Mar 2 - Wed, Apr 29

9:55 am - 4:49 pm

LHR

TYS

11h 54m1 stop

7:11 pm - 12:00 pm

TYS

LHR

11h 49m1 stop

$715Multiple Airlines

Mon, Jan 12 - Mon, Jan 26

6:05 am - 9:28 pm

LHR

TYS

20h 23m2 stops

8:23 pm - 5:15 pm

TYS

LHR

15h 52m2 stops

$730Iberia

Tue, Mar 3 - Tue, Apr 28

8:15 am - 9:48 pm

LHR

TYS

18h 33m2 stops

8:44 pm - 6:55 am

TYS

LHR

29h 11m1 stop

$742British Airways

Sun, Mar 1 - Sun, Apr 26

2:10 pm - 9:23 pm

LHR

TYS

12h 13m1 stop

6:22 pm - 9:05 am

TYS

LHR

9h 43m1 stop

$753British Airways

Sun, Mar 1 - Mon, Apr 27

12:35 pm - 10:09 pm

LHR

TYS

14h 34m1 stop

4:00 pm - 7:20 am

TYS

LHR

10h 20m1 stop

$754British Airways

Thu, Jan 22 - Mon, Jan 26

7:40 pm - 9:28 pm

LHR

TYS

30h 48m2 stops

8:23 pm - 10:30 am

TYS

LHR

33h 07m1 stop

$761Iberia

Mon, Mar 2 - Wed, Apr 29

6:05 am - 9:28 pm

LHR

TYS

20h 23m2 stops

11:34 am - 4:25 pm

TYS

LHR

23h 51m2 stops

$764Iberia

Tue, Mar 3 - Wed, Apr 29

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 3

LHR11:45 amLondon Heathrow

12h 23m

1 stop

TYS7:08 pmKnoxville McGhee Tyson

Apr 28

TYS8:44 pmKnoxville McGhee Tyson

10h 46m

1 stop

LHR12:30 pmLondon Heathrow

$684

Find similar

British Airways

Mar 3

LHR8:15 amLondon Heathrow

18h 47m

2 stops

TYS10:02 pmKnoxville McGhee Tyson

Apr 27

TYS11:03 amKnoxville McGhee Tyson

18h 17m

1 stop

LHR10:20 amLondon Heathrow

$702

Find similar

British Airways

Mar 2

LHR2:45 pmLondon Heathrow

14h 09m

1 stop

TYS11:54 pmKnoxville McGhee Tyson

Apr 27

TYS6:22 pmKnoxville McGhee Tyson

9h 43m

1 stop

LHR9:05 amLondon Heathrow

$713

Find similar

Iberia flights from London Heathrow Airport to Knoxville

Our best Iberia deals on London Heathrow Airport to Knoxville flight tickets

Iberia

Mar 3

LHR6:05 amLondon Heathrow

20h 23m

2 stops

TYS9:28 pmKnoxville McGhee Tyson

Apr 28

TYS8:23 pmKnoxville McGhee Tyson

15h 52m

2 stops

LHR5:15 pmLondon Heathrow

$730

Find similar

Iberia

Mar 2

LHR5:25 pmLondon Heathrow

33h 03m

2 stops

TYS9:28 pmKnoxville McGhee Tyson

Apr 30

TYS11:34 amKnoxville McGhee Tyson

14h 46m

1 stop

LHR7:20 amLondon Heathrow

$761

Find similar

Iberia

Mar 3

LHR6:05 amLondon Heathrow

20h 23m

2 stops

TYS9:28 pmKnoxville McGhee Tyson

Apr 26

TYS8:23 pmKnoxville McGhee Tyson

45h 12m

2 stops

LHR10:35 pmLondon Heathrow

$764

Find similar

momondo Fare Finder

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

Tue 3/3

11:45 am-7:08 pm

1 stop12h 23m

Knoxville McGhee Tyson

Tue 4/28

8:44 pm-12:30 pm

1 stop10h 46m

$684

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 3/3

8:15 am-10:02 pm

2 stops18h 47m

Knoxville McGhee Tyson

Sun 4/26

8:44 pm-9:05 am

1 stop31h 21m

$702

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 3/2

12:35 pm-9:23 pm

1 stop13h 48m

Knoxville McGhee Tyson

Wed 4/29

6:22 pm-9:05 am

1 stop9h 43m

$713

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 1/12

9:55 am-4:49 pm

1 stop11h 54m

Knoxville McGhee Tyson

Mon 1/26

7:11 pm-12:00 pm

1 stop11h 49m

$715

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 3/3

6:05 am-9:28 pm

2 stops20h 23m

Knoxville McGhee Tyson

Tue 4/28

8:23 pm-5:15 pm

2 stops15h 52m

$730

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 3/1

8:15 am-9:48 pm

2 stops18h 33m

Knoxville McGhee Tyson

Sun 4/26

8:44 pm-6:55 am

1 stop29h 11m

$742

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 3/1

2:10 pm-9:23 pm

1 stop12h 13m

Knoxville McGhee Tyson

Mon 4/27

6:22 pm-9:05 am

1 stop9h 43m

$753

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 1/22

12:35 pm-10:09 pm

1 stop14h 34m

Knoxville McGhee Tyson

Mon 1/26

4:00 pm-7:20 am

1 stop10h 20m

$754

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 3/2

7:40 pm-9:28 pm

2 stops30h 48m

Knoxville McGhee Tyson

Wed 4/29

8:23 pm-10:30 am

1 stop33h 07m

$761

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 3/3

6:05 am-9:28 pm

2 stops20h 23m

Knoxville McGhee Tyson

Wed 4/29

11:34 am-4:25 pm

2 stops23h 51m

$764

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Showing 1-10 of 20 resultsSorted by cheapest first

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 $694. 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.

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

The cheapest day to depart from London Heathrow Airport to Knoxville is on a Friday. Travelers who choose to depart for Knoxville on a Friday will often find tickets for as low as $824. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Knoxville for around $2,356.

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

At noon is the cheapest time of day to fly from London Heathrow Airport to Knoxville when you can find flight prices for as low as $791. Flying to Knoxville at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $1,092.

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 $924 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 $708 on momondo.

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

You could potentially save up to 30% 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 23m
Direct flights	None

The fastest flight from London Heathrow Airport to Knoxville takes 12h 23m

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 23m.
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?
As of December 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between London Heathrow Airport and Knoxville, the leading airline is British Airways, making up 100% of the total bookings.

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 Airways	PriceFrom $720	Free Cancellation	Rating 6.7 7,585 reviews		Search British Airways flights

Pigeon Forge

Gatlinburg

Cherokee

Bryson City

Morristown

Corbin

Maryville

Crossville

Murphy

Alcoa

Oak Ridge

Newport

Lenoir City

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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Cheap flights from London Heathrow Airport to Knoxville from $473

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Find the cheapest flights from London Heathrow Airport to Knoxville

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British Airways flights from London Heathrow Airport to Knoxville

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momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Knoxville that are best for you.

See travel insights to Knoxville from

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

What is the cheapest month to fly to Knoxville?

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

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

How far in advance should I book a flight to Knoxville?

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

You could potentially save up to 30% 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

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

Direct flights

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

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

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?

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

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

Traveling to a place near Knoxville?

Why use momondo?

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

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

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

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

An easier way to manage your Knoxville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Tennessee