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Cheap flights from London to Knoxville from $556

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 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 to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:30 am - 7:29 pm
LHR
-
TYS
15h 59m
2 stops
United Airlines Logo
9:00 am - 7:30 am
TYS
-
LHR
18h 30m
1 stop
$815United Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
7:30 am - 7:29 pm
LHR
-
TYS
15h 59m
2 stops
United Airlines Logo
1:53 pm - 9:10 am
TYS
-
LHR
15h 17m
2 stops
$819United Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
6:35 am - 8:47 pm
LHR
-
TYS
18h 12m
2 stops
United Airlines Logo
9:00 am - 10:15 am
TYS
-
LHR
21h 15m
1 stop
$839United Airlines
Thu, Mar 19 - Thu, Mar 26
United Airlines Logo
7:40 am - 4:45 pm
LHR
-
TYS
13h 05m
1 stop
United Airlines Logo
10:55 am - 5:55 am
TYS
-
LHR
15h 00m
1 stop
$847United Airlines
Wed, Mar 18 - Wed, Mar 25
Lufthansa Logo
4:20 pm - 10:49 am
LHR
-
TYS
22h 29m
1 stop
Lufthansa Logo
7:05 am - 7:30 am
TYS
-
LHR
20h 25m
1 stop
$859Lufthansa
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
2:00 pm - 6:27 pm
LGW
-
TYS
32h 27m
1 stop
Multiple Airlines Logo
7:00 am - 10:00 am
TYS
-
LGW
23h 00m
2 stops
$872Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Virgin Atlantic Logo
11:05 am - 11:12 pm
LHR
-
TYS
17h 07m
1 stop
Virgin Atlantic Logo
5:00 pm - 6:25 am
TYS
-
LHR
32h 25m
1 stop
$875Virgin Atlantic
Tue, Feb 17 - Sat, Feb 21
British Airways Logo
6:55 am - 9:07 pm
LHR
-
TYS
19h 12m
2 stops
British Airways Logo
11:42 am - 6:55 am
TYS
-
LHR
14h 13m
1 stop
$879British Airways
Thu, Feb 19 - Mon, Feb 23
British Airways Logo
6:55 am - 9:07 pm
LHR
-
TYS
19h 12m
2 stops
British Airways Logo
4:02 pm - 11:35 am
TYS
-
LHR
14h 33m
1 stop
$880British Airways
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
2:00 pm - 6:42 pm
LGW
-
TYS
32h 42m
1 stop
Multiple Airlines Logo
2:06 pm - 10:00 am
TYS
-
LGW
15h 54m
1 stop
$914Multiple Airlines
Fri, Mar 13 - Fri, Mar 27

United Airlines flights from London to Knoxville

Our best United Airlines deals on London to Knoxville flight tickets
United Airlines
Mar 18
LHR7:30 amLondon Heathrow
15h 59m
2 stops
TYS7:29 pmKnoxville McGhee Tyson
Mar 25
TYS9:00 amKnoxville McGhee Tyson
18h 30m
1 stop
LHR7:30 amLondon Heathrow
$815
United Airlines
Mar 18
LHR7:30 amLondon Heathrow
15h 59m
2 stops
TYS7:29 pmKnoxville McGhee Tyson
Mar 25
TYS1:53 pmKnoxville McGhee Tyson
15h 17m
2 stops
LHR9:10 amLondon Heathrow
$819
United Airlines
Mar 19
LHR6:35 amLondon Heathrow
18h 12m
2 stops
TYS8:47 pmKnoxville McGhee Tyson
Mar 26
TYS9:00 amKnoxville McGhee Tyson
21h 15m
1 stop
LHR10:15 amLondon Heathrow
$839

Virgin Atlantic flights from London to Knoxville

Our best Virgin Atlantic deals on London to Knoxville flight tickets
Virgin Atlantic
Feb 17
LHR11:05 amLondon Heathrow
17h 07m
1 stop
TYS11:12 pmKnoxville McGhee Tyson
Feb 21
TYS5:00 pmKnoxville McGhee Tyson
32h 25m
1 stop
LHR6:25 amLondon Heathrow
$875
Virgin Atlantic
Mar 19
LHR9:40 amLondon Heathrow
18h 17m
2 stops
TYS11:57 pmKnoxville McGhee Tyson
Mar 26
TYS12:03 pmKnoxville McGhee Tyson
14h 47m
2 stops
LHR6:50 amLondon Heathrow
$895
Virgin Atlantic
Feb 17
LHR4:50 pmLondon Heathrow
33h 05m
2 stops
TYS8:55 pmKnoxville McGhee Tyson
Feb 21
TYS6:35 amKnoxville McGhee Tyson
42h 50m
2 stops
LHR6:25 amLondon Heathrow
$948

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 February 4, 2026.
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

Wed 3/18

7:30 am-7:29 pm

2 stops15h 59m

Knoxville McGhee Tyson

Wed 3/25

9:00 am-7:30 am

1 stop18h 30m

$815

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 3/18

7:30 am-7:29 pm

2 stops15h 59m

Knoxville McGhee Tyson

Wed 3/25

1:53 pm-9:10 am

2 stops15h 17m

$819

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 3/19

6:35 am-8:47 pm

2 stops18h 12m

Knoxville McGhee Tyson

Thu 3/26

9:00 am-10:15 am

1 stop21h 15m

$839

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 3/18

7:40 am-4:45 pm

1 stop13h 05m

Knoxville McGhee Tyson

Wed 3/25

10:55 am-5:55 am

1 stop15h 00m

$847

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 3/19

4:20 pm-10:49 am

1 stop22h 29m

Knoxville McGhee Tyson

Thu 3/26

7:05 am-7:30 am

1 stop20h 25m

$859

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Thu 3/19

2:00 pm-6:27 pm

1 stop32h 27m

Knoxville McGhee Tyson

Thu 3/26

7:00 am-10:00 am

2 stops23h 00m

$872

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 2/17

11:05 am-11:12 pm

1 stop17h 07m

Knoxville McGhee Tyson

Sat 2/21

5:00 pm-6:25 am

1 stop32h 25m

$875

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 2/19

6:55 am-9:07 pm

2 stops19h 12m

Knoxville McGhee Tyson

Mon 2/23

11:42 am-6:55 am

1 stop14h 13m

$879

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 2/19

6:55 am-9:07 pm

2 stops19h 12m

Knoxville McGhee Tyson

Mon 2/23

4:02 pm-11:35 am

1 stop14h 33m

$880

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 3/13

2:00 pm-6:42 pm

1 stop32h 42m

Knoxville McGhee Tyson

Fri 3/27

2:06 pm-10:00 am

1 stop15h 54m

$914

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 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 and Knoxville?

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 $734. 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 $759.

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 $960 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 $755 on momondo.

Can stopping save me money on London to Knoxville flights?

You could potentially save up to 14% on your flight if you consider stops on a London to Knoxville flight.

How have London to Knoxville flight prices changed over time?

As of February 2026, prices for London to Knoxville flights are approximately 36% cheaper when compared to flights at the same time last year.

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

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from London to Knoxville takes 13h 35m
There are no direct flights from London to Knoxville. There are no popular flight routes from London to Knoxville.
Search flight deals

  • 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 13h 35m.

  • 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
6.7
7,715 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
Alcoa
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?

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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