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Cheap flights from Knoxville to London from £202

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Knoxville McGhee Tyson to London are usually found in November or February, booked 47 days in advance, depart on a Tuesday or Monday and return on a Monday

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Cheapest flights from Knoxville to London
Explore the most affordable flight options available from Knoxville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Mon 24/1117:36TYS - LHR
1 stop10h 24mDelta
Tue 16/1211:05LHR - TYS
1 stop17h 13mDelta
Deal found 6/11£448
Wed 12/1115:53TYS - LHR
1 stop12h 07mDelta
Tue 18/1106:20LHR - TYS
2 stops18h 40mDelta
Deal found 5/11£450
Wed 12/1115:53TYS - LHR
2 stops13h 57mVirgin Atlantic
Tue 18/1106:30LHR - TYS
2 stops15h 21mVirgin Atlantic
Deal found 5/11£454
Wed 12/1115:53TYS - LHR
1 stop12h 07mKLM
Tue 18/1110:45LHR - TYS
1 stop14h 21mKLM
Deal found 5/11£455
Thu 4/1213:52TYS - LHR
1 stop13h 03mUnited Airlines
Thu 11/1206:35LHR - TYS
2 stops19h 29mUnited Airlines
Deal found 6/11£470
Fri 5/1207:00TYS - LHR
2 stops19h 10mUnited Airlines
Fri 12/1209:00LHR - TYS
2 stops33h 17mUnited Airlines
Deal found 5/11£472
Fri 5/1214:37TYS - LHR
1 stop12h 13mKLM
Fri 12/1210:45LHR - TYS
1 stop13h 07mKLM
Deal found 5/11£474
Fri 5/1214:37TYS - LHR
2 stops14h 38mDelta
Fri 12/1213:00LHR - TYS
1 stop12h 00mDelta
Deal found 6/11£477
Sun 23/1114:25TYS - LHR
1 stop11h 15mUnited Airlines
Fri 19/1216:20LHR - TYS
1 stop12h 39mUnited Airlines
Deal found 6/11£486
Sat 22/1119:20TYS - LHR
1 stop30h 20mUnited Airlines
Tue 16/1212:05LHR - TYS
1 stop16h 39mUnited Airlines
Deal found 6/11£493
Fri 14/1110:22TYS - LHR
1 stop15h 03mDelta
Tue 18/1108:55LHR - TYS
1 stop12h 56mDelta
Deal found 4/11£494
Thu 4/1214:30TYS - LCY
2 stops17h 25mMultiple Airlines
Thu 11/1209:40LCY - TYS
2 stops30h 08mMultiple Airlines
Deal found 6/11£508

Cheap flight deals from Knoxville to London

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

£448

One-way from

£202

Popular in

June

Cheapest in

November

Average price

£593
Delta
  • Delta
  • 24/11-16/12
  • 2 total stops
  • 27h 37m total
  • Knoxville to London
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 35h 21m total
  • Knoxville to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£116 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Knoxville to London 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, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Knoxville to London that are best for you.

Fly from

Knoxville

Fly to

London

Route

Depart

Return

Price

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 24/11

12:49-08:45

1 stop14h 56m

London Heathrow

Thu 18/12

11:05-23:18

1 stop17h 13m

£448

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 5/12

11:42-10:15

1 stop17h 33m

London Heathrow

Fri 12/12

09:00-13:17

2 stops33h 17m

£472

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 4/12

19:59-11:40

1 stop10h 41m

London Heathrow

Thu 11/12

13:00-20:00

1 stop12h 00m

£474

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 5/12

19:59-11:40

1 stop10h 41m

London Heathrow

Fri 12/12

10:45-18:52

1 stop13h 07m

£474

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 24/11

06:45-05:55

1 stop18h 10m

London Heathrow

Fri 19/12

16:20-23:59

1 stop12h 39m

£486

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 23/11

05:45-06:40

1 stop19h 55m

London Heathrow

Wed 17/12

07:40-19:29

2 stops16h 49m

£486

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 25/11

09:50-06:40

1 stop15h 50m

London Heathrow

Thu 18/12

16:20-23:59

1 stop12h 39m

£486

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 1/12

14:41-07:50

1 stop12h 09m

London Heathrow

Mon 8/12

08:55-18:52

1 stop14h 57m

£493

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 12/12

07:00-07:10

2 stops19h 10m

London Heathrow

Mon 22/12

16:20-23:59

1 stop12h 39m

£493

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 24/11

10:50-06:40

2 stops14h 50m

London Heathrow

Wed 17/12

07:40-19:29

2 stops16h 49m

£496

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Knoxville to London. Price data was last updated on 31 October 2025.

To ensure you get the cheapest price possible for a flight from Knoxville to London, you should look to book at least 45 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.

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

Currently, July is the cheapest month in which you can book a flight from Knoxville to London (average of £402). Flying from Knoxville to London in June is currently the most expensive (average of £693). 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.

What is the cheapest time of day to fly from TYS to LON?

Find hourly flight availability from Knoxville to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

One of the essential ways to save on airfare from Knoxville to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

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

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

Share of one-stop return flights from Knoxville to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

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?

Average return fare for one-stop flights from Knoxville to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Chicago (ORD) is the most affordable one-stop option, with an average return flight price of £532.

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

Shortest average travel time for one-stop one-way flights from Knoxville to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Philadelphia (PHL) have the shortest average one-way travel time for one-stop routes: 9h 59m.

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

Average stopover duration for one-stop one-way flights from Knoxville to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 21m.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 1 airline.

  • How long is the flight from Knoxville to London?

    Departing from Knoxville to London will take you 10h 41m. 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 is the cheapest airline to fly from Knoxville to London round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to London, with prices starting at £518. You may be able to fly from Knoxville to London for 28% less than the average price by searching for this airline.

  • What are the cheapest airlines to fly from Knoxville to London one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as £301. Users have also found prices from £305 and £364 on United Airlines and Delta, respectively.

  • 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, July is the cheapest month in which you can book a flight from Knoxville to London (average of £402). Flying from Knoxville to London in June is currently the most expensive (average of £693). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
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Ilford
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Deal
Hayes
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Watford
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Romford
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Ipswich
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Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Knoxville to London

Discover the top airline that operate flights from Knoxville to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£518Average£518FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knoxville to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Knoxville today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Knoxville to London?

Cheapflights helps you find that perfect flight to London from Knoxville by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Knoxville to London with no change fees?

Need flexible booking options for your flight to London from Knoxville? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Knoxville to London become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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