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Cheap flights from London to Knoxville from $517

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 to Knoxville departing on 11/26. 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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Find the cheapest flights from London to Knoxville (LON-TYS)

Cheap round-trip flights

Logo
6:50 am - 10:45 pmLHR-TYS
20h 55m2 stops
Logo
7:25 pm - 10:40 amTYS-LHR
10h 15m1 stop
$637
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Mon, Sep 8 - Tue, Sep 16
Logo
2:00 pm - 3:06 pmLGW-TYS
30h 06m1 stop
Logo
3:20 pm - 10:00 amTYS-LGW
13h 40m1 stop
$638
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Mon, Oct 6 - Wed, Oct 8
United Airlines Logo
8:40 am - 9:58 amLHR-TYS
30h 18m2 stops
United Airlines Logo
5:53 pm - 8:20 amTYS-LHR
33h 27m1 stop
$638United Airlines
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Fri, Sep 19 - Sat, Oct 4
United Airlines Logo
10:50 am - 11:57 pmLHR-TYS
18h 07m2 stops
United Airlines Logo
7:20 am - 11:35 amTYS-LHR
23h 15m1 stop
$639United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
Lufthansa Logo
1:40 pm - 11:44 pmLHR-TYS
15h 04m1 stop
Lufthansa Logo
2:30 pm - 6:55 amTYS-LHR
11h 25m1 stop
$640Lufthansa
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Tue, Sep 16 - Tue, Sep 23
Virgin Atlantic Logo
8:25 pm - 9:32 pmLHR-TYS
30h 07m2 stops
Virgin Atlantic Logo
12:00 pm - 7:50 amTYS-LHR
14h 50m2 stops
$642Virgin Atlantic
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Sun, Nov 30 - Wed, Dec 10
Lufthansa Logo
11:05 am - 10:45 pmLHR-TYS
16h 40m1 stop
Lufthansa Logo
5:45 am - 6:55 amTYS-LHR
20h 10m1 stop
$643Lufthansa
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Sat, Sep 6 - Thu, Sep 25
British Airways Logo
9:15 am - 4:19 pmLHR-TYS
12h 04m1 stop
British Airways Logo
4:49 pm - 12:15 pmTYS-LHR
14h 26m1 stop
$653British Airways
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Mon, Sep 8 - Tue, Sep 16
Virgin Atlantic Logo
10:45 am - 9:43 pmLHR-TYS
15h 58m1 stop
Virgin Atlantic Logo
12:00 pm - 7:50 amTYS-LHR
14h 50m1 stop
$660Virgin Atlantic
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Mon, Dec 1 - Wed, Dec 10
British Airways Logo
7:00 am - 5:47 pmLCY-TYS
15h 47m2 stops
British Airways Logo
2:34 pm - 12:10 pmTYS-LCY
16h 36m2 stops
$910British Airways
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Tue, Sep 2 - Sun, Sep 7

United Airlines flights from London to Knoxville

Our best United Airlines deals on London to Knoxville flight tickets
United Airlines
Sep 19
LHR8:40 amLondon Heathrow
30h 18m
2 stops
TYS9:58 amKnoxville McGhee Tyson
Oct 4
TYS5:53 pmKnoxville McGhee Tyson
33h 27m
1 stop
LHR8:20 amLondon Heathrow
$638
Find similar
United Airlines
Sep 16
LHR10:50 amLondon Heathrow
18h 07m
2 stops
TYS11:57 pmKnoxville McGhee Tyson
Sep 23
TYS7:20 amKnoxville McGhee Tyson
23h 15m
1 stop
LHR11:35 amLondon Heathrow
$639
Find similar
United Airlines
Dec 1
LHR7:40 amLondon Heathrow
32h 08m
2 stops
TYS10:48 amKnoxville McGhee Tyson
Dec 10
TYS7:00 amKnoxville McGhee Tyson
18h 40m
2 stops
LHR6:40 amLondon Heathrow
$641
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Lufthansa flights from London to Knoxville

Our best Lufthansa deals on London to Knoxville flight tickets
Lufthansa
Sep 16
LHR1:40 pmLondon Heathrow
15h 04m
1 stop
TYS11:44 pmKnoxville McGhee Tyson
Sep 23
TYS2:30 pmKnoxville McGhee Tyson
11h 25m
1 stop
LHR6:55 amLondon Heathrow
$640
Find similar
Lufthansa
Sep 6
LHR11:05 amLondon Heathrow
16h 40m
1 stop
TYS10:45 pmKnoxville McGhee Tyson
Sep 25
TYS5:45 amKnoxville McGhee Tyson
20h 10m
1 stop
LHR6:55 amLondon Heathrow
$643
Find similar
Lufthansa
Sep 19
LHR11:05 amLondon Heathrow
16h 31m
1 stop
TYS10:36 pmKnoxville McGhee Tyson
Oct 4
TYS7:26 pmKnoxville McGhee Tyson
30h 29m
1 stop
LHR6:55 amLondon Heathrow
$664
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 August 4, 2025.
Use the filters below to find and compare flights from London to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 9/8

6:50 am-10:45 pm

2 stops20h 55m

Knoxville McGhee Tyson

Tue 9/16

7:25 pm-10:40 am

1 stop10h 15m

$637

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 10/6

2:00 pm-3:06 pm

1 stop30h 06m

Knoxville McGhee Tyson

Wed 10/8

3:20 pm-10:00 am

1 stop13h 40m

$638

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 9/19

8:40 am-9:58 am

2 stops30h 18m

Knoxville McGhee Tyson

Sat 10/4

5:53 pm-8:20 am

1 stop33h 27m

$638

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/16

10:50 am-11:57 pm

2 stops18h 07m

Knoxville McGhee Tyson

Tue 9/23

7:20 am-11:35 am

1 stop23h 15m

$639

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/16

1:40 pm-11:44 pm

1 stop15h 04m

Knoxville McGhee Tyson

Tue 9/23

2:30 pm-6:55 am

1 stop11h 25m

$640

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 11/30

8:25 pm-9:32 pm

2 stops30h 07m

Knoxville McGhee Tyson

Wed 12/10

12:00 pm-7:50 am

2 stops14h 50m

$642

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 9/6

11:05 am-10:45 pm

1 stop16h 40m

Knoxville McGhee Tyson

Thu 9/25

5:45 am-6:55 am

1 stop20h 10m

$643

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 9/8

9:15 am-4:19 pm

1 stop12h 04m

Knoxville McGhee Tyson

Tue 9/16

4:49 pm-12:15 pm

1 stop14h 26m

$653

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 12/1

10:45 am-9:43 pm

1 stop15h 58m

Knoxville McGhee Tyson

Wed 12/10

12:00 pm-7:50 am

1 stop14h 50m

$660

LondonKnoxville

LCY - TYS

LCYTYS

London City

Tue 9/2

7:00 am-5:47 pm

2 stops15h 47m

Knoxville McGhee Tyson

Sun 9/7

2:34 pm-12:10 pm

2 stops16h 36m

$910

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London 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 February is, on average, the cheapest month to fly to Knoxville from London, with most prices found around $758. If you aren’t able to travel during the month of February, then book flights to Knoxville from London during January instead. Flights to Knoxville in January, while not as cheap as those in February, still average around $768.

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

The cheapest day to depart from London 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 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 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $896 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from London for as low as $697 on momondo.

Can stopping save me money on London to Knoxville flights?

You could potentially save up to 15% on your flight if you consider stops on a London to Knoxville flight.

When to book flights from London to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from London to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Knoxville (LON to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Knoxville

Best Price Found

$517

Fastest flight time

11h 37m

Direct flights

None

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from London in the past 72 hours is $517. The best round-trip flight deal from London to Knoxville found on momondo in the last 72 hours is $637.
The fastest flight from London to Knoxville takes 11h 37m
There are no direct flights from London to Knoxville. Popular non-direct routes for this connection are London Gatwick Airport - Knoxville McGhee Tyson Airport, London Heathrow Airport - Knoxville McGhee Tyson Airport and London City Airport - Knoxville McGhee Tyson Airport.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)
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  • How far is London to Knoxville McGhee Tyson by plane?

    The straight-line distance from London to Knoxville McGhee Tyson is 4078.3 mi. A reasonable flight in good conditions will take 11h 37m.

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

    Prices for flights from London to Knoxville McGhee Tyson Airport were last updated today.

  • How many operators does momondo search for flights from London to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from London to Knoxville McGhee Tyson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Knoxville McGhee Tyson Airport.

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

    The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to Knoxville?

Best airlines flying from London to Knoxville

Compare and see reviews for airlines that fly from London to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $720Free CancellationRating
6.6
7,235 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
Crossville
Maryville
Murphy
Newport
Alcoa
Lenoir City
Oak Ridge
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Knoxville for you.

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

Yes. momondo enables you to select and highlight flights to Knoxville from London with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

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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