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$381+ Cheap flights from Knoxville (TYS) to London (LON)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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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 Wednesday or Thursday and return on a Friday

Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 amTYS - LHR
2 stops18h 30mUnited Airlines
Thu 1/81:00 pmLHR - TYS
2 stops32h 53mUnited Airlines
Deal found 12/17$756
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 amTYS - LHR
3 stops16h 20mMultiple Airlines
Thu 1/86:00 pmLHR - TYS
2 stops24h 24mMultiple Airlines
Deal found 12/17$789
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:35 amTYS - LCY
2 stops29h 45mBritish Airways
Thu 1/87:15 amLCY - TYS
2 stops18h 41mBritish Airways
Deal found 12/17$948
This Cheapflightsfares deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:00 amTYS - LHR
1 stop13h 55mLufthansa
Sun 1/117:40 amLHR - TYS
1 stop18h 12mLufthansa
Deal found 12/17$961
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:45 amTYS - LHR
1 stop18h 10mUnited Airlines
Sun 1/111:00 pmLHR - TYS
2 stops36h 52mUnited Airlines
Deal found 12/17$1,010
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:01 pmTYS - LGW
2 stops22h 04mMultiple Airlines
Thu 1/82:00 pmLGW - TYS
1 stop32h 28mMultiple Airlines
Deal found 12/17$1,262
This oojo deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:49 amTYS - LHR
2 stops29h 26mBritish Airways
Sun 1/113:05 pmLHR - TYS
2 stops34h 51mBritish Airways
Deal found 12/16$1,378
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:50 pmTYS - LGW
1 stop16h 10mMultiple Airlines
Sun 12/282:10 pmLGW - TYS
1 stop25h 05mMultiple Airlines
Deal found 12/16$1,415
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:50 amTYS - LHR
3 stops16h 20mMultiple Airlines
Sun 1/111:25 pmLHR - TYS
2 stops26h 07mMultiple Airlines
Deal found 12/16$1,564
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:00 amTYS - LHR
1 stop13h 55mLufthansa
Thu 12/256:35 amLHR - TYS
2 stops18h 16mLufthansa
Deal found 12/17$1,651
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:00 amTYS - LHR
1 stop15h 55mLufthansa
Wed 1/78:15 pmLHR - TYS
2 stops29h 37mLufthansa
Deal found 12/16$1,688
This Ovago deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:02 pmTYS - LHR
1 stop12h 13mBritish Airways
Thu 12/259:55 amLHR - TYS
1 stop14h 46mBritish Airways
Deal found 12/17$1,715

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$560
(Kiwi.com)

One-way from

$381
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$894
Provider with most accurate pricing for Knoxville McGhee Tyson-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-London (LON) flights.
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From Knoxville McGhee Tyson to London (LON)
Search Deals
One-way flight from Knoxville McGhee Tyson to London (LON)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 18, 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 1/28

2:25 pm-6:40 am

1 stop11h 15m

London Heathrow

Mon 2/9

7:40 am-7:27 pm

2 stops16h 47m

$597

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 1/16

7:20 pm-10:50 am

1 stop10h 30m

London Heathrow

Tue 1/20

6:35 am-2:49 pm

2 stops37h 14m

$628

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 1/15

2:37 pm-6:25 am

1 stop10h 48m

London Heathrow

Wed 1/28

10:45 am-5:56 pm

1 stop12h 11m

$634

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Fri 2/6

12:55 pm-10:00 am

1 stop16h 05m

London Gatwick

Mon 2/9

2:00 pm-12:10 pm

1 stop27h 10m

$641

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 3/31

4:02 pm-10:30 am

1 stop13h 28m

London Heathrow

Tue 4/14

6:10 am-7:26 pm

2 stops18h 16m

$642

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 4/22

10:05 am-6:45 am

1 stop15h 40m

London Heathrow

Wed 5/6

9:55 am-11:46 pm

2 stops18h 51m

$645

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 4/7

5:15 pm-1:10 pm

2 stops14h 55m

London Heathrow

Tue 4/21

9:55 am-10:56 pm

2 stops18h 01m

$649

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 3/31

5:15 pm-1:10 pm

2 stops14h 55m

London Heathrow

Tue 4/14

9:55 am-10:56 pm

2 stops18h 01m

$649

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Fri 2/6

11:58 am-8:10 am

2 stops15h 12m

London City

Mon 2/9

10:00 am-11:45 pm

2 stops18h 45m

$756

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Thu 2/5

11:58 am-7:15 am

2 stops14h 17m

London City

Sun 2/15

1:45 pm-11:52 pm

2 stops15h 07m

$756

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 38 results
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Compare providers for flights from Knoxville to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to London in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-London flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-London flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Knoxville-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-London flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Knoxville to London. Price data was last updated on December 12, 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 $537). Flying from Knoxville to London in June is currently the most expensive (average of $908). 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to London at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Knoxville to London, such as Delta, Virgin Atlantic, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,006 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Virgin Atlantic
7.5
Good
675 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,583 reviews
Delta
7.9
Good
8,006 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Knoxville McGhee Tyson (TYS) is the airport you will fly out of if you book a flight from Knoxville to London. You should not have trouble finding flights to London from McGhee Tyson; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Knoxville airport to London. It is only a 11.3 mi journey to McGhee Tyson (TYS) from Knoxville’s city center.

  • How long is the flight from Knoxville to London?

    Lufthansa, United Airlines, and KLM can get you from Knoxville to London in just under 10h 30m. Your travel time can differ by up to 4h 42m. The distance between Knoxville and London is about 4076 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Knoxville to London round-trip?

    Virgin Atlantic, at $577, was found to be the cheapest airline from Knoxville to London.Alternate airlines to your destination round-trip include Delta and British Airways. These flights start at 35% lower than the current average price 3 months from now.

  • 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 vacation 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 $537). Flying from Knoxville to London in June is currently the most expensive (average of $908). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

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Alternative routes for Knoxville to London

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Top 5 airlines flying from Knoxville to London

Discover the top 5 airlines 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$577Average$1,144FlexibilityNo cancel feeOn-time72%
DeltaCheapest$624Average$895FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$693Average$831FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$712Average$998FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$716Average$989FlexibilityNo cancel feeOn-time69%

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