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Cheap flights from London to Knoxville from £344

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 13/3. 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.
Lufthansa Logo
07:40 - 20:47
LHR
-
TYS
17h 07m
2 stops
Lufthansa Logo
19:25 - 10:50
TYS
-
LHR
11h 25m
1 stop
£589Lufthansa
Thu, 19 Mar - Mon, 23 Mar
United Airlines Logo
06:55 - 20:45
LHR
-
TYS
18h 50m
2 stops
United Airlines Logo
19:18 - 06:55
TYS
-
LHR
30h 37m
1 stop
£594United Airlines
Wed, 13 May - Mon, 18 May
United Airlines Logo
10:50 - 22:38
LHR
-
TYS
16h 48m
2 stops
United Airlines Logo
07:00 - 11:45
TYS
-
LHR
23h 45m
1 stop
£598United Airlines
Tue, 14 Apr - Wed, 22 Apr
British Airways Logo
12:30 - 21:57
LHR
-
TYS
14h 27m
1 stop
British Airways Logo
17:06 - 10:30
TYS
-
LHR
12h 24m
1 stop
£604British Airways
Tue, 14 Apr - Wed, 22 Apr
Multiple Airlines Logo
14:00 - 20:34
LGW
-
TYS
35h 34m
2 stops
Multiple Airlines Logo
14:06 - 10:00
TYS
-
LGW
14h 54m
1 stop
£606Multiple Airlines
Fri, 20 Feb - Fri, 6 Mar
Virgin Atlantic Logo
13:25 - 20:28
LHR
-
TYS
12h 03m
1 stop
Virgin Atlantic Logo
15:30 - 06:45
TYS
-
LHR
10h 15m
1 stop
£613Virgin Atlantic
Mon, 11 May - Thu, 21 May
Multiple Airlines Logo
14:00 - 18:27
LGW
-
TYS
32h 27m
1 stop
Multiple Airlines Logo
14:06 - 10:00
TYS
-
LGW
15h 54m
1 stop
£616Multiple Airlines
Thu, 19 Mar - Mon, 23 Mar
British Airways Logo
11:45 - 20:05
LHR
-
TYS
12h 20m
1 stop
British Airways Logo
16:15 - 07:20
TYS
-
LHR
11h 05m
1 stop
£619British Airways
Thu, 19 Mar - Mon, 23 Mar
Delta Logo
08:40 - 20:28
LHR
-
TYS
16h 48m
2 stops
Delta Logo
17:30 - 12:10
TYS
-
LHR
13h 40m
2 stops
£621Delta
Mon, 11 May - Thu, 21 May
Delta Logo
11:45 - 23:49
LHR
-
TYS
17h 04m
2 stops
Delta Logo
17:30 - 12:05
TYS
-
LHR
13h 35m
2 stops
£622Delta
Wed, 13 May - Mon, 18 May

United Airlines flights from London to Knoxville

Our best United Airlines deals on London to Knoxville flight tickets
United Airlines
13 May
LHR06:55London Heathrow
18h 50m
2 stops
TYS20:45Knoxville McGhee Tyson
18 May
TYS19:18Knoxville McGhee Tyson
30h 37m
1 stop
LHR06:55London Heathrow
£594
United Airlines
14 Apr
LHR10:50London Heathrow
16h 48m
2 stops
TYS22:38Knoxville McGhee Tyson
22 Apr
TYS10:49Knoxville McGhee Tyson
14h 06m
2 stops
LHR05:55London Heathrow
£598
United Airlines
19 Mar
LHR06:35London Heathrow
18h 12m
2 stops
TYS20:47Knoxville McGhee Tyson
23 Mar
TYS09:40Knoxville McGhee Tyson
16h 15m
2 stops
LHR05:55London Heathrow
£612

Delta flights from London to Knoxville

Our best Delta deals on London to Knoxville flight tickets
Delta
11 May
LHR08:40London Heathrow
16h 48m
2 stops
TYS20:28Knoxville McGhee Tyson
21 May
TYS17:30Knoxville McGhee Tyson
13h 40m
2 stops
LHR12:10London Heathrow
£621
Delta
13 May
LHR11:45London Heathrow
17h 04m
2 stops
TYS23:49Knoxville McGhee Tyson
18 May
TYS17:30Knoxville McGhee Tyson
13h 35m
2 stops
LHR12:05London Heathrow
£622
Delta
11 May
LHR09:20London Heathrow
12h 45m
1 stop
TYS17:05Knoxville McGhee Tyson
21 May
TYS17:30Knoxville McGhee Tyson
13h 40m
2 stops
LHR12:10London Heathrow
£634

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 8 February 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

Thu 19/3

07:40-20:47

2 stops17h 07m

Knoxville McGhee Tyson

Mon 23/3

19:25-10:50

1 stop11h 25m

£589

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 13/5

06:55-20:45

2 stops18h 50m

Knoxville McGhee Tyson

Mon 18/5

19:18-06:55

1 stop30h 37m

£594

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 14/4

10:50-22:38

2 stops16h 48m

Knoxville McGhee Tyson

Wed 22/4

07:00-11:45

1 stop23h 45m

£598

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 14/4

12:30-21:57

1 stop14h 27m

Knoxville McGhee Tyson

Wed 22/4

17:06-10:30

1 stop12h 24m

£604

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 20/2

14:00-20:34

2 stops35h 34m

Knoxville McGhee Tyson

Fri 6/3

14:06-10:00

1 stop14h 54m

£606

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 11/5

13:25-20:28

1 stop12h 03m

Knoxville McGhee Tyson

Thu 21/5

15:30-06:45

1 stop10h 15m

£613

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Thu 19/3

14:00-18:27

1 stop32h 27m

Knoxville McGhee Tyson

Mon 23/3

14:06-10:00

1 stop15h 54m

£616

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 19/3

11:45-20:05

1 stop12h 20m

Knoxville McGhee Tyson

Mon 23/3

16:15-07:20

1 stop11h 05m

£619

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 11/5

08:40-20:28

2 stops16h 48m

Knoxville McGhee Tyson

Thu 21/5

17:30-12:10

2 stops13h 40m

£621

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 13/5

11:45-23:49

2 stops17h 04m

Knoxville McGhee Tyson

Mon 18/5

17:30-12:05

2 stops13h 35m

£622

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 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 £539. If you aren’t able to travel to Knoxville during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £557.

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 £705 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 £554 on momondo.

Can stopping save me money on London to Knoxville flights?

You could potentially save up to 3% 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 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

12h 03m

Direct flights

None
The fastest flight from London to Knoxville takes 12h 03m
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?

    There are 4078.3 mi between London and Knoxville McGhee Tyson. Flights usually cover this in 12h 03m, 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 £449Free CancellationRating
6.8
7,773 reviews
Search Lufthansa flights
United AirlinesPriceFrom £460Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
British AirwaysPriceFrom £469Free CancellationRating
6.7
7,720 reviews
Search British Airways flights
FinnairPriceFrom £491Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £502Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic 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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