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Cheap flights from Knoxville to London from £249

TYS — LON
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Knoxville to London

Enter your travel dates to find the best prices.

Cheapest flights from Knoxville to London

Mon 28/918:13 -
1 stop14h 02m
Tue 13/1010:45 -
1 stop12h 39m
Deal found 20/9£549
Tue 1/1214:35 -
1 stop16h 05m
Tue 8/1211:30 -
2 stops15h 47m
Deal found 18/9£564
Mon 2/1111:50 -
1 stop13h 35m
Wed 11/1106:30 -
2 stops16h 19m
Deal found 21/9£565
Wed 11/1111:43 -
2 stops15h 22m
Tue 24/1108:40 -
2 stops17h 49m
Deal found 22/9£569
Wed 4/1111:50 -
2 stops14h 15m
Wed 11/1111:30 -
2 stops15h 42m
Deal found 20/9£570
Tue 13/1008:35 -
1 stop16h 50m
Fri 23/1011:15 -
1 stop15h 53m
Deal found 22/9£571
Wed 7/1012:06 -
1 stop14h 09m
Thu 29/1009:50 -
1 stop17h 12m
Deal found 20/9£572

Find flight deals from Knoxville to London

Round-trip from

£564

One-way from

£249

Popular in

June

Cheapest in

April

Average price

£720
Virgin Atlantic
  • Virgin Atlantic
  • 1/12-8/12
  • 3 total stops
  • 31h 52m total
  • Knoxville to London
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American Airlines
  • American Airlines
  • 15/3-31/12
  • 1 total stop
  • 11h 05m total
  • Knoxville to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£141 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Knoxville to London that are best for you.

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Fastest return journey

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 15/3

16:15-07:20

1 stop11h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 15/3

11:35-13:30

2 stops21h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 15/3

12:00-07:45

2 stops15h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£261

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 9/11

17:00-13:25

2 stops15h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£331

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 9/11

13:55-10:25

2 stops15h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£347

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 9/11

10:35-06:25

1 stop14h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£347

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Sun 15/11

05:45-06:40

1 stop19h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£347

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Wed 4/11

17:00-09:00

1 stop11h 00m

London Heathrow

Wed 11/11

11:45-21:29

2 stops14h 44m

£565

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Wed 11/11

07:00-07:50

1 stop19h 50m

London Heathrow

Tue 24/11

06:30-20:09

2 stops18h 39m

£566

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Wed 4/11

14:38-09:00

1 stop13h 22m

London Heathrow

Wed 11/11

12:40-22:12

1 stop14h 32m

£571

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 16 resultsSorted by cheapest first
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Best time to book a flight from Knoxville to London

Have a flexible travel schedule? Discover the best time to fly to London from Knoxville with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Knoxville to London

What is the cheapest month to book a flight from Knoxville to London?

Currently, April is the cheapest month in which you can book a flight from Knoxville to London (average of £580). Flying from Knoxville to London in June is currently the most expensive (average of £1,139). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Knoxville to London?

Airfare is below average for this route at the moment.
Knoxville to London flights typically cost between £670 and £937 in December.
The cheapest return price found within the last 5 days was £564 on Virgin Atlantic (1 Dec–8 Dec).

What’s the top stopover airport for flights from Knoxville to London?

Atlanta (ATL) – chosen by Cheapflights users on 53% of one-stop itineraries from Knoxville to London on Cheapflights.

What’s the cheapest stopover airport for flights from Knoxville to London?

Charlotte (CLT) is the most affordable one-stop option, with an average return flight price of £634.

What’s the fastest stopover option from Knoxville to London?

Flights via Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 10h 12m.

Which airport typically offers the quickest stopover for flights from Knoxville to London?

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 15m.

How far ahead should I book a flight from Knoxville to London?

To ensure you get the cheapest price possible for a flight from Knoxville to London, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

  • What airport do you fly from for flights from Knoxville to London?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson is the airport most travelers will use when flying to London from Knoxville. Booking flights from McGhee Tyson (TYS) to London should be relatively easy as there are 0 daily outbound flights to London from 0 different airlines.

  • How long is the flight from Knoxville to London?

    Departing from Knoxville to London will take you 11h. The distance between Knoxville and London is about 4076 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Knoxville to London?

    When deciding which route to take from Knoxville to London consider Knoxville McGhee Tyson - London Heathrow, Knoxville McGhee Tyson - London City or Knoxville McGhee Tyson - London Gatwick as they are the most popular.

  • Can I find deals for flights from Knoxville to London that include hotel bookings?

    Yes. In addition to deals on Knoxville to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to London.

  • Can I find deals for business class flights from Knoxville to London?

    Yes. Cheapflights offers flight deals from Knoxville to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to London?

    Currently, April is the cheapest month in which you can book a flight from Knoxville to London (average of £580). Flying from Knoxville to London in June is currently the most expensive (average of £1,139). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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