Cheap flights from Knoxville to London from £222

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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

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 17 September 2025.

Round-trip from

£411

One-way from

£222

Popular in

June

Cheapest in

November

Average price

£607
19/11-24/11
  • 19/11-24/11
  • 2 total stops
  • 30h 37m total
  • Knoxville to London
24/9
  • 24/9
  • 2 total stops
  • 33h 55m total
  • Knoxville to London
Highest demand for flights based on searches. 17% potential increase in price (£109 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Knoxville to London

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 17 September 2025.

Wed 19/1108:15TYS - LGW
1 stop16h 45mMultiple Airlines
Mon 24/1114:00LGW - TYS
1 stop13h 52mMultiple Airlines
Deal found 16/9£411
Wed 29/1014:27TYS - LHR
1 stop13h 23mDelta
Wed 5/1111:30LHR - TYS
2 stops16h 52mDelta
Deal found 14/9£416
Tue 14/1008:15TYS - LHR
1 stop17h 30mDelta
Tue 21/1009:55LHR - TYS
2 stops18h 12mDelta
Deal found 16/9£418
Mon 13/1020:10TYS - LHR
1 stop12h 20mKLM
Thu 23/1015:15LHR - TYS
1 stop13h 31mKLM
Deal found 15/9£422
Wed 22/1015:48TYS - LHR
2 stops12h 27mVirgin Atlantic
Fri 31/1010:10LHR - TYS
2 stops15h 03mVirgin Atlantic
Deal found 14/9£425
Thu 30/1015:48TYS - LHR
2 stops20h 12mScandinavian Airlines
Thu 6/1106:40LHR - TYS
2 stops22h 06mScandinavian Airlines
Deal found 15/9£438
Wed 19/1108:15TYS - LGW
1 stop16h 45mMultiple Airlines
Thu 27/1114:00LGW - TYS
1 stop34h 19mMultiple Airlines
Deal found 16/9£442
Wed 29/1015:48TYS - LHR
2 stops21h 52mScandinavian Airlines
Mon 3/1106:40LHR - TYS
2 stops22h 06mScandinavian Airlines
Deal found 15/9£443
Wed 29/1010:25TYS - LHR
1 stop17h 25mDelta
Mon 3/1111:30LHR - TYS
2 stops17h 16mDelta
Deal found 16/9£453
Wed 29/1014:27TYS - LHR
1 stop13h 23mKLM
Mon 3/1113:00LHR - TYS
1 stop13h 13mKLM
Deal found 16/9£459
Fri 14/1115:51TYS - LHR
2 stops19h 09mScandinavian Airlines
Fri 28/1106:40LHR - TYS
2 stops22h 12mScandinavian Airlines
Deal found 15/9£465
Tue 18/1107:30TYS - LGW
2 stops31h 45mMultiple Airlines
Mon 24/1114:00LGW - TYS
1 stop13h 52mMultiple Airlines
Deal found 16/9£471

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 17 September 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 - LGW

TYSLGW

Knoxville McGhee Tyson

Wed 19/11

08:15-06:00

1 stop16h 45m

London Gatwick

Mon 24/11

14:00-22:52

1 stop13h 52m

£411

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 14/10

15:48-11:00

2 stops14h 12m

London Heathrow

Tue 21/10

09:55-23:07

2 stops18h 12m

£421

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 22/10

17:16-11:10

1 stop12h 54m

London Heathrow

Fri 31/10

15:50-10:28

1 stop22h 38m

£422

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 9/3

19:20-11:40

1 stop12h 20m

London Heathrow

Wed 18/3

11:30-23:44

2 stops16h 14m

£422

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 13/10

20:10-13:30

1 stop12h 20m

London Heathrow

Thu 23/10

15:15-23:46

1 stop13h 31m

£422

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 10/3

16:00-07:50

1 stop11h 50m

London Heathrow

Wed 18/3

10:45-21:43

1 stop14h 58m

£428

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 9/3

19:20-11:40

1 stop12h 20m

London Heathrow

Tue 17/3

12:30-23:44

1 stop15h 14m

£428

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 9/3

10:05-06:25

1 stop16h 20m

London Heathrow

Fri 20/3

08:55-21:43

1 stop16h 48m

£428

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 1/3

07:30-08:45

1 stop20h 15m

London Heathrow

Fri 13/3

15:50-09:13

1 stop21h 23m

£428

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 8/3

10:05-06:25

1 stop16h 20m

London Heathrow

Thu 19/3

08:55-21:43

1 stop16h 48m

£428

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 55 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 12 September 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, January is the cheapest month in which you can book a flight from Knoxville to London (average of £112). Flying from Knoxville to London in August is currently the most expensive (average of £164). 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 17 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to London as you normally would.

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 56% 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 £510.

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 54m. 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 £497. 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 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, January is the cheapest month in which you can book a flight from Knoxville to London (average of £112). Flying from Knoxville to London in August is currently the most expensive (average of £164). 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£497Average£497FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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

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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.

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