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Cheap flights from London Heathrow Airport to Knoxville from $531

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 6/16. 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 round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:55 am - 8:12 pm
LHR
-
TYS
18h 17m
2 stops
Lufthansa Logo
2:25 pm - 10:40 am
TYS
-
LHR
15h 15m
1 stop
$891Lufthansa
Mon, May 11 - Mon, May 18
United Airlines Logo
8:40 am - 8:45 pm
LHR
-
TYS
17h 05m
2 stops
United Airlines Logo
7:18 pm - 10:40 am
TYS
-
LHR
10h 22m
1 stop
$912United Airlines
Mon, May 11 - Mon, May 18
British Airways Logo
12:30 pm - 9:57 pm
LHR
-
TYS
14h 27m
1 stop
British Airways Logo
5:57 pm - 9:05 am
TYS
-
LHR
10h 08m
1 stop
$916British Airways
Thu, Apr 30 - Mon, May 4
United Airlines Logo
8:40 am - 8:12 pm
LHR
-
TYS
16h 32m
2 stops
United Airlines Logo
7:18 pm - 2:40 pm
TYS
-
LHR
14h 22m
2 stops
$917United Airlines
Mon, May 11 - Mon, May 18
United Airlines Logo
7:25 am - 10:36 am
LHR
-
TYS
32h 11m
2 stops
United Airlines Logo
5:20 pm - 11:35 am
TYS
-
LHR
13h 15m
1 stop
$919United Airlines
Tue, Sep 22 - Mon, Oct 5
Lufthansa Logo
12:15 pm - 8:12 pm
LHR
-
TYS
12h 57m
1 stop
Lufthansa Logo
2:25 pm - 10:40 am
TYS
-
LHR
15h 15m
1 stop
$924Lufthansa
Mon, May 11 - Mon, May 18
KLM Logo
11:15 am - 6:17 pm
LHR
-
TYS
12h 02m
1 stop
KLM Logo
7:20 pm - 11:20 am
TYS
-
LHR
11h 00m
1 stop
$927KLM
Tue, Sep 22 - Mon, Oct 5
United Airlines Logo
8:40 am - 8:12 pm
LHR
-
TYS
16h 32m
2 stops
United Airlines Logo
10:49 am - 6:55 am
TYS
-
LHR
15h 06m
2 stops
$928United Airlines
Fri, May 1 - Wed, May 6
Delta Logo
6:15 am - 6:17 pm
LHR
-
TYS
17h 02m
2 stops
Delta Logo
5:57 pm - 12:05 pm
TYS
-
LHR
13h 08m
2 stops
$937Delta
Tue, Sep 22 - Mon, Oct 5
Lufthansa Logo
11:05 am - 8:45 pm
LHR
-
TYS
14h 40m
1 stop
Lufthansa Logo
2:25 pm - 6:55 am
TYS
-
LHR
11h 30m
1 stop
$940Lufthansa
Fri, May 1 - Wed, May 6

British Airways flights from London Heathrow Airport to Knoxville

Our best British Airways deals on London Heathrow Airport to Knoxville flight tickets
British Airways
Apr 30
LHR12:30 pmLondon Heathrow
14h 27m
1 stop
TYS9:57 pmKnoxville McGhee Tyson
May 4
TYS5:57 pmKnoxville McGhee Tyson
10h 08m
1 stop
LHR9:05 amLondon Heathrow
$916
British Airways
May 1
LHR12:30 pmLondon Heathrow
14h 27m
1 stop
TYS9:57 pmKnoxville McGhee Tyson
May 5
TYS11:31 amKnoxville McGhee Tyson
14h 19m
1 stop
LHR6:50 amLondon Heathrow
$948
British Airways
Apr 13
LHR12:15 pmLondon Heathrow
13h 03m
1 stop
TYS8:18 pmKnoxville McGhee Tyson
Apr 19
TYS8:48 pmKnoxville McGhee Tyson
29h 52m
1 stop
LHR7:40 amLondon Heathrow
$987

KLM flights from London Heathrow Airport to Knoxville

Our best KLM deals on London Heathrow Airport to Knoxville flight tickets
KLM
Sep 22
LHR11:15 amLondon Heathrow
12h 02m
1 stop
TYS6:17 pmKnoxville McGhee Tyson
Oct 5
TYS7:20 pmKnoxville McGhee Tyson
11h 00m
1 stop
LHR11:20 amLondon Heathrow
$927
KLM
Apr 15
LHR11:45 amLondon Heathrow
17h 09m
2 stops
TYS11:54 pmKnoxville McGhee Tyson
Apr 22
TYS5:54 pmKnoxville McGhee Tyson
17h 21m
2 stops
LHR4:15 pmLondon Heathrow
$965

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 March 31, 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 round-trip

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 5/11

6:55 am-8:12 pm

2 stops18h 17m

Knoxville McGhee Tyson

Mon 5/18

2:25 pm-10:40 am

1 stop15h 15m

$891

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 5/11

8:40 am-8:45 pm

2 stops17h 05m

Knoxville McGhee Tyson

Mon 5/18

7:18 pm-10:40 am

1 stop10h 22m

$912

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 4/30

12:30 pm-9:57 pm

1 stop14h 27m

Knoxville McGhee Tyson

Mon 5/4

5:57 pm-9:05 am

1 stop10h 08m

$916

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 5/11

8:40 am-8:12 pm

2 stops16h 32m

Knoxville McGhee Tyson

Mon 5/18

7:18 pm-2:40 pm

2 stops14h 22m

$917

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/22

7:25 am-10:36 am

2 stops32h 11m

Knoxville McGhee Tyson

Mon 10/5

5:20 pm-11:35 am

1 stop13h 15m

$919

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 5/11

12:15 pm-8:12 pm

1 stop12h 57m

Knoxville McGhee Tyson

Mon 5/18

2:25 pm-10:40 am

1 stop15h 15m

$924
Quickest round-trip

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/22

11:15 am-6:17 pm

1 stop12h 02m

Knoxville McGhee Tyson

Mon 10/5

7:20 pm-11:20 am

1 stop11h 00m

$927

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 5/1

8:40 am-8:12 pm

2 stops16h 32m

Knoxville McGhee Tyson

Wed 5/6

10:49 am-6:55 am

2 stops15h 06m

$928

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/22

6:15 am-6:17 pm

2 stops17h 02m

Knoxville McGhee Tyson

Mon 10/5

5:57 pm-12:05 pm

2 stops13h 08m

$937

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 5/1

11:05 am-8:45 pm

1 stop14h 40m

Knoxville McGhee Tyson

Wed 5/6

2:25 pm-6:55 am

1 stop11h 30m

$940

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 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 $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.

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 $968 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 $679 on momondo.

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

You could potentially save up to 2% 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

14h 12m

Direct flights

None
The fastest flight from London Heathrow Airport to Knoxville takes 14h 12m
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 14h 12m.

  • 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
7,838 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
Crossville
Alcoa
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Clinton
Jefferson City
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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