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Cheap flights from London to Knoxville from £400

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 8/9. 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
0 bags

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Find the cheapest flights from London to Knoxville

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 23:37
LGW
-
TYS
14h 37m
1 stop
Multiple Airlines Logo
19:22 - 10:00
TYS
-
LGW
33h 38m
1 stop
£581Multiple Airlines
Mon, 25 May - Fri, 12 Jun
Multiple Airlines Logo
14:00 - 23:39
LGW
-
TYS
14h 39m
1 stop
Multiple Airlines Logo
19:22 - 10:00
TYS
-
LGW
33h 38m
1 stop
£613Multiple Airlines
Fri, 5 Jun - Fri, 12 Jun
Multiple Airlines Logo
14:00 - 23:38
LGW
-
TYS
14h 38m
1 stop
Multiple Airlines Logo
19:26 - 10:00
TYS
-
LGW
33h 34m
1 stop
£649Multiple Airlines
Fri, 19 Jun - Mon, 22 Jun
British Airways Logo
12:15 - 21:15
LHR
-
TYS
14h 00m
1 stop
British Airways Logo
18:19 - 12:10
TYS
-
LHR
12h 51m
1 stop
£701British Airways
Wed, 9 Sep - Wed, 23 Sep
Delta Logo
06:30 - 18:17
LHR
-
TYS
16h 47m
2 stops
Delta Logo
10:05 - 11:20
TYS
-
LHR
20h 15m
1 stop
£704Delta
Wed, 9 Sep - Wed, 23 Sep
British Airways Logo
15:15 - 23:53
LHR
-
TYS
13h 38m
1 stop
British Airways Logo
13:13 - 09:05
TYS
-
LHR
14h 52m
1 stop
£719British Airways
Tue, 16 Jun - Tue, 23 Jun
Delta Logo
10:45 - 21:41
LHR
-
TYS
15h 56m
1 stop
Delta Logo
11:55 - 06:20
TYS
-
LHR
13h 25m
2 stops
£746Delta
Wed, 1 Jul - Wed, 15 Jul
KLM Logo
15:15 - 23:54
LHR
-
TYS
13h 39m
1 stop
KLM Logo
18:36 - 13:05
TYS
-
LHR
13h 29m
1 stop
£747KLM
Wed, 1 Jul - Wed, 15 Jul
Aer Lingus Logo
13:45 - 23:53
LCY
-
TYS
15h 08m
2 stops
Aer Lingus Logo
18:32 - 17:20
TYS
-
LCY
17h 48m
2 stops
£843Aer Lingus
Wed, 1 Jul - Wed, 15 Jul
Aer Lingus Logo
13:45 - 23:53
LCY
-
TYS
15h 08m
2 stops
Aer Lingus Logo
13:00 - 08:35
TYS
-
LCY
14h 35m
2 stops
£878Aer Lingus
Wed, 1 Jul - Wed, 15 Jul

Delta flights from London to Knoxville

Our best Delta deals on London to Knoxville flight tickets
Delta
9 Sept
LHR06:30London Heathrow
16h 47m
2 stops
TYS18:17Knoxville McGhee Tyson
23 Sept
TYS11:30Knoxville McGhee Tyson
16h 20m
2 stops
LHR08:50London Heathrow
£704
Delta
1 Jul
LHR10:45London Heathrow
15h 56m
1 stop
TYS21:41Knoxville McGhee Tyson
15 Jul
TYS11:55Knoxville McGhee Tyson
13h 25m
2 stops
LHR06:20London Heathrow
£746
Delta
1 Jul
LHR15:15London Heathrow
13h 39m
1 stop
TYS23:54Knoxville McGhee Tyson
15 Jul
TYS17:25Knoxville McGhee Tyson
13h 45m
2 stops
LHR12:10London Heathrow
£749

British Airways flights from London to Knoxville

Our best British Airways deals on London to Knoxville flight tickets
British Airways
9 Sept
LHR12:15London Heathrow
14h 00m
1 stop
TYS21:15Knoxville McGhee Tyson
23 Sept
TYS18:19Knoxville McGhee Tyson
12h 51m
1 stop
LHR12:10London Heathrow
£701
British Airways
16 Jun
LHR15:15London Heathrow
13h 38m
1 stop
TYS23:53Knoxville McGhee Tyson
23 Jun
TYS13:13Knoxville McGhee Tyson
14h 52m
1 stop
LHR09:05London Heathrow
£719
British Airways
16 Jun
LHR07:30London Heathrow
21h 23m
2 stops
TYS23:53Knoxville McGhee Tyson
23 Jun
TYS13:13Knoxville McGhee Tyson
12h 37m
1 stop
LHR06:50London Heathrow
£732

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 12 May 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 return flight

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 25/5

14:00-23:37

1 stop14h 37m

Knoxville McGhee Tyson

Fri 12/6

19:22-10:00

1 stop33h 38m

£581

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 5/6

14:00-23:39

1 stop14h 39m

Knoxville McGhee Tyson

Fri 12/6

19:22-10:00

1 stop33h 38m

£613

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 19/6

14:00-23:38

1 stop14h 38m

Knoxville McGhee Tyson

Mon 22/6

19:26-10:00

1 stop33h 34m

£649
Fastest return journey

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 9/9

12:15-21:15

1 stop14h 00m

Knoxville McGhee Tyson

Wed 23/9

18:19-12:10

1 stop12h 51m

£701

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 9/9

06:30-18:17

2 stops16h 47m

Knoxville McGhee Tyson

Wed 23/9

10:05-11:20

1 stop20h 15m

£704

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 16/6

15:15-23:53

1 stop13h 38m

Knoxville McGhee Tyson

Tue 23/6

13:13-09:05

1 stop14h 52m

£719

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 1/7

10:45-21:41

1 stop15h 56m

Knoxville McGhee Tyson

Wed 15/7

11:55-06:20

2 stops13h 25m

£746

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 1/7

15:15-23:54

1 stop13h 39m

Knoxville McGhee Tyson

Wed 15/7

18:36-13:05

1 stop13h 29m

£747

LondonKnoxville

LCY - TYS

LCYTYS

London City

Wed 1/7

13:45-23:53

2 stops15h 08m

Knoxville McGhee Tyson

Wed 15/7

18:32-17:20

2 stops17h 48m

£843

LondonKnoxville

LCY - TYS

LCYTYS

London City

Wed 1/7

13:45-23:53

2 stops15h 08m

Knoxville McGhee Tyson

Wed 15/7

13:00-08:35

2 stops14h 35m

£878

Flights are sorted by cheapest return 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 £357. If you aren’t able to travel to Knoxville during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £422.

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 £708 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from London for as low as £499 on momondo.

Can stopping save me money on London to Knoxville flights?

You could potentially save up to 11% 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 return 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 38m

Direct flights

None
The fastest flight from London to Knoxville takes 13h 38m
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?

    There are 4078.3 mi between London and Knoxville McGhee Tyson. Flights usually cover this in 13h 38m, depending on flying conditions and air traffic around both airports.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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
LufthansaPriceFrom £450Free CancellationRating
6.8
7,992 reviews
Search Lufthansa flights
United AirlinesPriceFrom £460Free CancellationRating
7.4
9,701 reviews
Search United Airlines flights
British AirwaysPriceFrom £469Free CancellationRating
6.7
7,972 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £500Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £503Free CancellationRating
7.6
1,393 reviews
Search Finnair flights

Travelling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Newport

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Knoxville. momondo saves you time and could save you money on your trip.

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?

Once all potential London to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Knoxville from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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