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Cheap flights from Knoxville to London from £180

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
20 Jan — 27 Jan1
1 adult
1 adult, Economy, 0 bags

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

Cheap 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 21 December 2025.

Sun 28/1214:00TYS - LHR
1 stop11h 40mLufthansa
Sun 11/110:25LHR - TYS
1 stop15h 27mLufthansa
Deal found 19/12£718
Sun 28/1206:45TYS - LHR
2 stops18h 55mUnited Airlines
Sun 11/118:00LHR - TYS
2 stops31h 52mUnited Airlines
Deal found 20/12£759
Sun 28/1217:35TYS - LHR
1 stop12h 40mMultiple Airlines
Sun 11/112:00LHR - TYS
2 stops27h 57mMultiple Airlines
Deal found 19/12£768
Sun 28/1210:02TYS - LHR
2 stops16h 03mDelta
Sun 11/108:55LHR - TYS
2 stops19h 50mDelta
Deal found 19/12£854
Fri 26/1209:50TYS - LHR
2 stops18h 30mUnited Airlines
Fri 2/112:05LHR - TYS
1 stop35h 05mUnited Airlines
Deal found 19/12£1,288
Wed 24/1219:23TYS - LHR
2 stops16h 42mLufthansa
Fri 26/1207:30LHR - TYS
2 stops17h 21mLufthansa
Deal found 20/12£1,369
Fri 26/1216:12TYS - LHR
1 stop10h 08mBritish Airways
Fri 2/109:55LHR - TYS
1 stop11h 49mBritish Airways
Deal found 19/12£1,643
Wed 24/1214:46TYS - LGW
2 stops39h 04mBritish Airways
Fri 26/1219:40LGW - TYS
2 stops30h 41mBritish Airways
Deal found 20/12£3,298
Wed 24/1214:46TYS - LCY
2 stops42h 49mBritish Airways
Fri 26/1219:15LCY - TYS
2 stops31h 06mBritish Airways
Deal found 20/12£3,401

Find 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 21 December 2025.

Round-trip from

£419

One-way from

£180

Popular in

June

Cheapest in

November

Average price

£668
Lufthansa
  • Lufthansa
  • 3/2-10/2
  • 3 total stops
  • 27h 43m total
  • Knoxville to London
Search Deals
2/2
  • 2/2
  • 1 total stop
  • 16h 05m total
  • Knoxville to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£136 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 21 December 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

Wed 28/1

14:25-10:25

2 stops15h 00m

London Heathrow

Mon 9/2

07:40-19:27

2 stops16h 47m

£452

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sat 17/1

14:25-10:50

1 stop15h 25m

London Heathrow

Sat 24/1

07:30-20:52

2 stops18h 22m

£454

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sat 7/2

13:59-05:55

1 stop10h 56m

London Heathrow

Sun 15/2

12:05-19:29

1 stop12h 24m

£466

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 23/1

11:40-10:15

1 stop17h 35m

London Heathrow

Tue 27/1

06:50-16:53

2 stops15h 03m

£469

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sat 7/2

11:07-06:20

2 stops14h 13m

London Heathrow

Sun 15/2

06:50-19:29

2 stops17h 39m

£473

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 28/1

14:37-08:45

2 stops13h 08m

London Heathrow

Sun 1/2

06:30-20:47

2 stops19h 17m

£474

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 27/1

17:00-11:25

2 stops13h 25m

London Heathrow

Sun 1/2

06:30-17:52

2 stops16h 22m

£474

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 7/4

20:23-12:15

1 stop10h 52m

London Heathrow

Tue 21/4

06:10-19:26

2 stops18h 16m

£480

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sat 18/4

19:20-06:55

1 stop30h 35m

London Heathrow

Tue 5/5

06:55-19:41

2 stops17h 46m

£481

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Tue 3/2

14:25-09:15

2 stops13h 50m

London City

Tue 10/2

18:15-20:52

2 stops31h 37m

£527

Flights are sorted by cheapest return flights first.

Deals found on 19/12

Showing 1-10 of 52 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 December 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 £401). Flying from Knoxville to London in June is currently the most expensive (average of £679). 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 21 December 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.

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 £520.

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 15h. 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 £401). Flying from Knoxville to London in June is currently the most expensive (average of £679). 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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