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Cheap flights from Knoxville to London from £157

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

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 January 2026.

Round-trip from

£433

One-way from

£157

Popular in

June

Cheapest in

January

Average price

£447
British Airways
  • British Airways
  • 7/4-21/4
  • 3 total stops
  • 29h 24m total
  • Knoxville to London
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24/3
  • 24/3
  • 1 total stop
  • 17h 58m total
  • Knoxville to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£121 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find flight deals from Knoxville to London

Enter your travel dates to find the best prices.

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 January 2026.

Tue 7/419:33TYS - LHR
1 stop11h 42mBritish Airways
Tue 21/409:15LHR - TYS
2 stops17h 42mBritish Airways
Deal found 6/1£433
Tue 13/117:17TYS - LHR
1 stop10h 58mBritish Airways
Tue 20/111:45LHR - TYS
1 stop14h 36mBritish Airways
Deal found 6/1£435
Tue 13/114:19TYS - LGW
2 stops18h 31mBritish Airways
Tue 20/113:10LGW - TYS
2 stops36h 46mBritish Airways
Deal found 6/1£436
Wed 18/213:50TYS - LHR
1 stop13h 05mLufthansa
Mon 23/206:35LHR - TYS
2 stops17h 54mLufthansa
Deal found 6/1£444
Tue 31/306:10TYS - LHR
1 stop20h 40mBritish Airways
Tue 14/419:25LHR - TYS
2 stops31h 32mBritish Airways
Deal found 6/1£445
Wed 22/417:06TYS - LHR
1 stop14h 09mBritish Airways
Wed 6/516:30LHR - TYS
2 stops34h 27mBritish Airways
Deal found 6/1£448
Tue 13/114:37TYS - LHR
2 stops13h 08mDelta
Tue 20/111:30LHR - TYS
2 stops17h 15mDelta
Deal found 6/1£449
Fri 13/213:50TYS - LHR
1 stop11h 05mLufthansa
Mon 16/207:30LHR - TYS
2 stops16h 59mLufthansa
Deal found 5/1£452
Wed 18/216:02TYS - LHR
1 stop11h 13mMultiple Airlines
Mon 23/219:40LHR - TYS
2 stops28h 32mMultiple Airlines
Deal found 6/1£452
Tue 31/313:53TYS - LHR
1 stop11h 52mLufthansa
Tue 14/409:00LHR - TYS
2 stops18h 29mLufthansa
Deal found 5/1£455
Fri 13/216:02TYS - LHR
1 stop13h 23mIberia
Mon 16/218:45LHR - TYS
2 stops30h 55mIberia
Deal found 5/1£456
Sat 18/418:38TYS - LGW
2 stops36h 27mBritish Airways
Tue 5/520:40LGW - TYS
2 stops30h 17mBritish Airways
Deal found 6/1£458

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 January 2026.
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

Tue 31/3

16:02-07:40

1 stop10h 38m

London Heathrow

Tue 14/4

09:45-21:35

1 stop16h 50m

£447

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 22/4

17:06-12:15

1 stop14h 09m

London Heathrow

Wed 6/5

16:30-21:57

2 stops34h 27m

£448

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 7/4

11:18-08:50

2 stops16h 32m

London Heathrow

Tue 21/4

06:30-16:49

2 stops15h 19m

£461

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 18/2

12:21-11:40

1 stop18h 19m

London Heathrow

Mon 23/2

11:15-23:59

1 stop17h 44m

£461

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 22/4

17:30-13:05

2 stops14h 35m

London Heathrow

Wed 6/5

06:15-16:54

2 stops15h 39m

£461

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 6/5

17:30-12:05

2 stops13h 35m

London Heathrow

Wed 20/5

10:45-21:28

1 stop15h 43m

£465

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 20/2

10:55-05:55

1 stop14h 00m

London Heathrow

Fri 27/2

06:50-20:37

2 stops18h 47m

£466

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 6/2

14:25-06:40

1 stop11h 15m

London Heathrow

Mon 9/2

06:50-16:53

2 stops15h 03m

£466

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 19/2

13:50-05:55

1 stop11h 05m

London Heathrow

Thu 26/2

06:50-19:29

2 stops17h 39m

£466

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sun 1/3

06:10-12:05

2 stops24h 55m

London Gatwick

Sun 8/3

21:40-21:05

2 stops27h 25m

£466

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 58 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 2 January 2026.

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 £399). Flying from Knoxville to London in June is currently the most expensive (average of £670). 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’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 £515.

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 Atlanta (ATL) have the shortest average one-way travel time for one-stop routes: 10h 07m.

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 0 different airlines.

  • How long is the flight from Knoxville to London?

    Departing from Knoxville to London will take you 10h 38m. 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, July is the cheapest month in which you can book a flight from Knoxville to London (average of £399). Flying from Knoxville to London in June is currently the most expensive (average of £670). 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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