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Cheap flights from London to Knoxville from $545

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 9/8. 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.
Multiple Airlines Logo
2:00 pm - 11:37 pm
LGW
-
TYS
14h 37m
1 stop
Multiple Airlines Logo
7:22 pm - 10:00 am
TYS
-
LGW
33h 38m
1 stop
$791Multiple Airlines
Mon, May 25 - Fri, Jun 12
Multiple Airlines Logo
2:00 pm - 11:39 pm
LGW
-
TYS
14h 39m
1 stop
Multiple Airlines Logo
7:22 pm - 10:00 am
TYS
-
LGW
33h 38m
1 stop
$835Multiple Airlines
Fri, Jun 5 - Fri, Jun 12
Multiple Airlines Logo
2:00 pm - 11:38 pm
LGW
-
TYS
14h 38m
1 stop
Multiple Airlines Logo
7:26 pm - 10:00 am
TYS
-
LGW
33h 34m
1 stop
$883Multiple Airlines
Fri, Jun 19 - Mon, Jun 22
British Airways Logo
12:15 pm - 9:15 pm
LHR
-
TYS
14h 00m
1 stop
British Airways Logo
6:19 pm - 12:10 pm
TYS
-
LHR
12h 51m
1 stop
$954British Airways
Wed, Sep 9 - Wed, Sep 23
Delta Logo
6:30 am - 6:17 pm
LHR
-
TYS
16h 47m
2 stops
Delta Logo
10:05 am - 11:20 am
TYS
-
LHR
20h 15m
1 stop
$958Delta
Wed, Sep 9 - Wed, Sep 23
British Airways Logo
3:15 pm - 11:53 pm
LHR
-
TYS
13h 38m
1 stop
British Airways Logo
1:13 pm - 9:05 am
TYS
-
LHR
14h 52m
1 stop
$979British Airways
Tue, Jun 16 - Tue, Jun 23
Delta Logo
10:45 am - 9:41 pm
LHR
-
TYS
15h 56m
1 stop
Delta Logo
11:55 am - 6:20 am
TYS
-
LHR
13h 25m
2 stops
$1,016Delta
Wed, Jul 1 - Wed, Jul 15
KLM Logo
3:15 pm - 11:54 pm
LHR
-
TYS
13h 39m
1 stop
KLM Logo
6:36 pm - 1:05 pm
TYS
-
LHR
13h 29m
1 stop
$1,017KLM
Wed, Jul 1 - Wed, Jul 15
Aer Lingus Logo
1:45 pm - 11:53 pm
LCY
-
TYS
15h 08m
2 stops
Aer Lingus Logo
6:32 pm - 5:20 pm
TYS
-
LCY
17h 48m
2 stops
$1,147Aer Lingus
Wed, Jul 1 - Wed, Jul 15
Aer Lingus Logo
1:45 pm - 11:53 pm
LCY
-
TYS
15h 08m
2 stops
Aer Lingus Logo
1:00 pm - 8:35 am
TYS
-
LCY
14h 35m
2 stops
$1,195Aer Lingus
Wed, Jul 1 - Wed, Jul 15

Delta flights from London to Knoxville

Our best Delta deals on London to Knoxville flight tickets
Delta
Sep 9
LHR6:30 amLondon Heathrow
16h 47m
2 stops
TYS6:17 pmKnoxville McGhee Tyson
Sep 23
TYS11:30 amKnoxville McGhee Tyson
16h 20m
2 stops
LHR8:50 amLondon Heathrow
$958
Delta
Jul 1
LHR10:45 amLondon Heathrow
15h 56m
1 stop
TYS9:41 pmKnoxville McGhee Tyson
Jul 15
TYS11:55 amKnoxville McGhee Tyson
13h 25m
2 stops
LHR6:20 amLondon Heathrow
$1,016
Delta
Jun 16
LHR6:30 amLondon Heathrow
15h 15m
2 stops
TYS4:45 pmKnoxville McGhee Tyson
Jun 23
TYS10:26 amKnoxville McGhee Tyson
15h 44m
2 stops
LHR7:10 amLondon Heathrow
$1,024

British Airways flights from London to Knoxville

Our best British Airways deals on London to Knoxville flight tickets
British Airways
Sep 9
LHR12:15 pmLondon Heathrow
14h 00m
1 stop
TYS9:15 pmKnoxville McGhee Tyson
Sep 23
TYS6:19 pmKnoxville McGhee Tyson
12h 51m
1 stop
LHR12:10 pmLondon Heathrow
$954
British Airways
Jun 16
LHR3:15 pmLondon Heathrow
13h 38m
1 stop
TYS11:53 pmKnoxville McGhee Tyson
Jun 23
TYS1:13 pmKnoxville McGhee Tyson
14h 52m
1 stop
LHR9:05 amLondon Heathrow
$979
British Airways
Jun 16
LHR7:30 amLondon Heathrow
21h 23m
2 stops
TYS11:53 pmKnoxville McGhee Tyson
Jun 23
TYS1:13 pmKnoxville McGhee Tyson
12h 37m
1 stop
LHR6:50 amLondon Heathrow
$996

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 May 12, 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

Cheapest round-trip

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 5/25

2:00 pm-11:37 pm

1 stop14h 37m

Knoxville McGhee Tyson

Fri 6/12

7:22 pm-10:00 am

1 stop33h 38m

$791

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 6/5

2:00 pm-11:39 pm

1 stop14h 39m

Knoxville McGhee Tyson

Fri 6/12

7:22 pm-10:00 am

1 stop33h 38m

$835

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 6/19

2:00 pm-11:38 pm

1 stop14h 38m

Knoxville McGhee Tyson

Mon 6/22

7:26 pm-10:00 am

1 stop33h 34m

$883
Quickest round-trip

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 9/9

12:15 pm-9:15 pm

1 stop14h 00m

Knoxville McGhee Tyson

Wed 9/23

6:19 pm-12:10 pm

1 stop12h 51m

$954

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 9/9

6:30 am-6:17 pm

2 stops16h 47m

Knoxville McGhee Tyson

Wed 9/23

10:05 am-11:20 am

1 stop20h 15m

$958

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 6/16

3:15 pm-11:53 pm

1 stop13h 38m

Knoxville McGhee Tyson

Tue 6/23

1:13 pm-9:05 am

1 stop14h 52m

$979

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 7/1

10:45 am-9:41 pm

1 stop15h 56m

Knoxville McGhee Tyson

Wed 7/15

11:55 am-6:20 am

2 stops13h 25m

$1,016

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 7/1

3:15 pm-11:54 pm

1 stop13h 39m

Knoxville McGhee Tyson

Wed 7/15

6:36 pm-1:05 pm

1 stop13h 29m

$1,017

LondonKnoxville

LCY - TYS

LCYTYS

London City

Wed 7/1

1:45 pm-11:53 pm

2 stops15h 08m

Knoxville McGhee Tyson

Wed 7/15

6:32 pm-5:20 pm

2 stops17h 48m

$1,147

LondonKnoxville

LCY - TYS

LCYTYS

London City

Wed 7/1

1:45 pm-11:53 pm

2 stops15h 08m

Knoxville McGhee Tyson

Wed 7/15

1:00 pm-8:35 am

2 stops14h 35m

$1,195

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 August is, on average, the cheapest month to fly to Knoxville from London, with most prices found around $486. If you aren’t able to travel during the month of August, then book flights to Knoxville from London during September instead. Flights to Knoxville in September, while not as cheap as those in August, still average around $575.

How far in advance should I book a flight from London 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 $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 for as low as $679 on momondo.

Can stopping save me money on London to Knoxville flights?

You could potentially save up to 5% 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 May 2026, prices for London to Knoxville flights are approximately 19% 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 23m

Direct flights

None
The fastest flight from London to Knoxville takes 13h 23m
There are no direct flights from London to Knoxville. There are no popular flight routes from London to Knoxville.
Search flight deals

Frequently asked questions about flying from London to Knoxville

  • 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 23m.

  • 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 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.

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
Alcoa
Crossville
Maryville
Murphy
Oak Ridge
Newport
Lenoir City
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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