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$322+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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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 March 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Tue 3/2412:02 pm
TYS
-
LGW
1 stop17h 58m
Multiple Airlines
Thu 4/92:00 pm
LGW
-
TYS
1 stop32h 30m
Multiple Airlines
Deal found 3/19$760
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 3/199:43 pm
TYS
-
LGW
1 stop32h 17m
Multiple Airlines
Thu 4/92:00 pm
LGW
-
TYS
1 stop32h 30m
Multiple Airlines
Deal found 3/19$812
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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.
Tue 3/317:20 pm
TYS
-
LHR
2 stops15h 20m
Lufthansa
Tue 4/79:00 am
LHR
-
TYS
2 stops18h 34m
Lufthansa
Deal found 3/20$835
This KAYAK deal was found by Cheapflights users on 3/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
TYS
-
LHR
2 stops36h 20m
Scandinavian Airlines
Sat 9/195:00 pm
LHR
-
TYS
2 stops33h 46m
Scandinavian Airlines
Deal found 3/18$840
This KAYAK deal was found by Cheapflights users on 3/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
TYS
-
LHR
2 stops36h 20m
Scandinavian Airlines
Sun 9/207:30 pm
LHR
-
TYS
2 stops31h 16m
Scandinavian Airlines
Deal found 3/19$841
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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.
Wed 8/125:57 pm
TYS
-
LHR
2 stops18h 43m
Lufthansa
Fri 8/219:00 am
LHR
-
TYS
2 stops19h 57m
Lufthansa
Deal found 3/20$845
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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.
Wed 9/25:57 pm
TYS
-
LHR
2 stops19h 43m
Lufthansa
Wed 9/99:30 am
LHR
-
TYS
2 stops19h 27m
Lufthansa
Deal found 3/23$855
This Expedia deal was found by Cheapflights users on 3/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:00 pm
TYS
-
LHR
2 stops19h 00m
Scandinavian Airlines
Sat 9/195:00 pm
LHR
-
TYS
2 stops33h 46m
Scandinavian Airlines
Deal found 3/19$859
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Mon 5/41:15 pm
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Mon 5/112:00 pm
LGW
-
TYS
2 stops49h 36m
Multiple Airlines
Deal found 3/20$860
This FlightHub deal was found by Cheapflights users on 3/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:39 pm
TYS
-
LHR
1 stop10h 31m
British Airways
Wed 9/239:15 am
LHR
-
TYS
2 stops17h 39m
British Airways
Deal found 3/20$871
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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.
Wed 4/155:53 pm
TYS
-
LHR
2 stops21h 47m
Lufthansa
Mon 4/207:30 pm
LHR
-
TYS
2 stops32h 04m
Lufthansa
Deal found 3/20$873
This FlightHub deal was found by Cheapflights users on 3/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:21 am
TYS
-
LHR
1 stop20h 29m
Multiple Airlines
Wed 9/96:30 am
LHR
-
TYS
2 stops20h 24m
Multiple Airlines
Deal found 3/23$875

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$835
(Cheapflightsfares)

One-way from

$351
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$760
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.
Search Deals
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. 24% potential increase in price ($269 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 23, 2026.
Use the filters below to find and compare flights from Knoxville to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Wed 9/2

5:57 pm-5:55 pm

2 stops18h 58m

London City

Wed 9/9

9:15 am-11:57 pm

2 stops19h 42m

$878

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Tue 9/1

5:57 pm-5:55 pm

2 stops18h 58m

London City

Tue 9/15

9:15 am-11:57 pm

2 stops19h 42m

$878

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 9/1

7:19 pm-10:40 am

1 stop10h 21m

London Heathrow

Tue 9/15

2:05 pm-4:59 pm

2 stops31h 54m

$887

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 4/15

9:00 am-7:45 am

1 stop17h 45m

London Heathrow

Mon 4/20

11:05 am-5:01 pm

2 stops34h 56m

$891

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Fri 9/11

8:20 am-10:00 am

1 stop20h 40m

London Gatwick

Sun 9/20

2:00 pm-8:39 pm

1 stop35h 39m

$895

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/6

10:49 am-6:55 am

2 stops15h 06m

London Heathrow

Wed 5/20

9:30 am-8:45 pm

2 stops16h 15m

$911

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 9/15

5:45 am-10:00 am

2 stops23h 15m

London Heathrow

Tue 9/22

8:45 am-11:57 pm

2 stops20h 12m

$933

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 9/14

5:45 am-10:00 am

2 stops23h 15m

London Heathrow

Wed 9/23

6:50 am-4:59 pm

2 stops15h 09m

$944

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Wed 6/10

1:02 pm-10:00 am

2 stops39h 58m

London Gatwick

Wed 6/24

2:00 pm-2:52 pm

1 stop29h 52m

$979
Quickest round-trip

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 8/17

7:19 pm-10:40 am

1 stop10h 21m

London Heathrow

Fri 8/21

11:05 am-8:48 pm

1 stop14h 43m

$982

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 49 resultsSorted by cheapest first
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-London flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 13, 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 $537). Flying from Knoxville to London in June is currently the most expensive (average of $884). 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.

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 March 23, 2026.
Read through reviews of airlines operating flights from Knoxville to London, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,317 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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
8,317 reviews
Delta
7.9
Good
8,317 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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
9,462 reviews
Delta
7.9
Good
8,317 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7.1
Good
11,486 reviews
Delta
7.9
Good
8,317 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7,813 reviews
Delta
7.9
Good
8,317 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

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, Scandinavian Airlines, and Delta can get you from Knoxville to London in just under 14h 26m. Your travel time can differ by up to 6h 14m. The distance between Knoxville and London is about 4095 mi. This flight may include one or multiple stops.

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

    Virgin Atlantic, at $572, was found to be the cheapest airline from Knoxville to London.Alternate airlines to your destination round-trip include Delta and American Airlines. These flights start at 31% 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 $884). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

Browse thousands of different options on Cheapflights for your next trip

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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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$572Average$1,292FlexibilityNo cancel feeOn-time72%
DeltaCheapest$624Average$939FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$674Average$938FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$677Average$911FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$693Average$831FlexibilityNo cancel feeOn-time70%

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