Cheap flights from Knoxville to London from £337

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
23 Nov — 30 Nov1
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 24 October 2025.

Sun 7/1215:57TYS - LHR
1 stop10h 53mVirgin Atlantic
Sun 14/1215:50LHR - TYS
1 stop12h 38mVirgin Atlantic
Deal found 23/10£440
Mon 10/1115:53TYS - LHR
1 stop12h 07mDelta
Thu 4/1211:30LHR - TYS
2 stops16h 58mDelta
Deal found 23/10£444
Sun 26/1017:28TYS - LHR
1 stop14h 12mDelta
Tue 11/1106:20LHR - TYS
2 stops18h 40mDelta
Deal found 22/10£445
Sun 30/1105:35TYS - LHR
1 stop19h 50mDelta
Wed 10/1206:30LHR - TYS
2 stops18h 35mDelta
Deal found 23/10£445
Wed 3/1210:23TYS - LHR
2 stops15h 32mDelta
Tue 9/1206:20LHR - TYS
2 stops17h 38mDelta
Deal found 23/10£448
Tue 2/1215:57TYS - LHR
2 stops13h 18mDelta
Wed 10/1206:30LHR - TYS
2 stops18h 30mDelta
Deal found 23/10£448
Sun 30/1105:35TYS - LHR
1 stop19h 50mDelta
Thu 11/1215:50LHR - TYS
1 stop12h 38mDelta
Deal found 23/10£450
Mon 10/1117:36TYS - LHR
2 stops12h 14mVirgin Atlantic
Thu 4/1213:05LHR - TYS
2 stops15h 23mVirgin Atlantic
Deal found 22/10£454
Sun 30/1105:35TYS - LHR
1 stop19h 50mDelta
Sun 7/1206:30LHR - TYS
2 stops15h 39mDelta
Deal found 23/10£466
Sun 9/1108:30TYS - LGW
2 stops21h 25mMultiple Airlines
Fri 14/1114:00LGW - TYS
1 stop23h 16mMultiple Airlines
Deal found 22/10£469
Tue 2/1214:37TYS - LHR
2 stops14h 38mDelta
Mon 8/1206:30LHR - TYS
2 stops18h 35mDelta
Deal found 23/10£469
Wed 3/1212:50TYS - LCY
2 stops13h 25mDelta
Tue 9/1209:20LCY - TYS
2 stops15h 45mDelta
Deal found 23/10£487

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 24 October 2025.

Round-trip from

£440

One-way from

£337

Popular in

June

Cheapest in

November

Average price

£596
Virgin Atlantic
  • Virgin Atlantic
  • 7/12-14/12
  • 2 total stops
  • 23h 31m total
  • Knoxville to London
Lufthansa
  • Lufthansa
  • 25/3
  • 1 total stop
  • 12h 10m total
  • Knoxville to London
Highest demand for flights based on searches. 17% potential increase in price (£112 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in October 2025

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 24 October 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 10/11

15:53-09:00

1 stop12h 07m

London Heathrow

Thu 4/12

11:30-23:28

2 stops16h 58m

£444

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 2/12

06:29-07:05

1 stop19h 36m

London Heathrow

Wed 10/12

06:30-20:05

2 stops18h 35m

£445

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 30/11

05:35-06:25

1 stop19h 50m

London Heathrow

Wed 10/12

06:30-20:05

2 stops18h 35m

£445

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 1/12

05:35-06:25

1 stop19h 50m

London Heathrow

Tue 9/12

06:30-20:05

2 stops18h 35m

£445

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 3/12

10:23-06:55

2 stops15h 32m

London Heathrow

Tue 9/12

06:20-18:58

2 stops17h 38m

£448

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 10/11

15:53-07:50

1 stop10h 57m

London Heathrow

Thu 4/12

13:00-20:00

1 stop12h 00m

£450

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 30/11

05:35-06:25

1 stop19h 50m

London Heathrow

Fri 12/12

10:45-21:30

1 stop15h 45m

£450

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 30/11

05:35-06:25

1 stop19h 50m

London Heathrow

Thu 11/12

15:50-23:28

1 stop12h 38m

£450

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 1/12

14:41-09:00

1 stop13h 19m

London Heathrow

Wed 10/12

15:50-10:46

1 stop23h 56m

£450

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sun 9/11

08:30-10:55

2 stops21h 25m

London Gatwick

Fri 14/11

14:00-08:16

1 stop23h 16m

£469

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 30 results
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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 17 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 £379). Flying from Knoxville to London in June is currently the most expensive (average of £681). 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 24 October 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 £522.

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 12h 07m. The distance between Knoxville and London is about 4076 mi.

  • 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 £509. 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 Lufthansa. According to our data, you can fly for as low as £337. Users have also found prices from £338 and £751 on KLM and British Airways, respectively.

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

  • 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 £379). Flying from Knoxville to London in June is currently the most expensive (average of £681). 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?

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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 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£509Average£509FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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

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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.

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