London

$367+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
nov. 29 — dic. 61
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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 Wednesday or Thursday and return on a Friday

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 octubre 30, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/42:27 pmTYS - LHR
1 stop10h 58mDelta
mar. 11/116:20 amLHR - TYS
2 stops18h 40mDelta
Deal found 10/28$591
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/287:11 amTYS - LHR
1 stop20h 39mDelta
mar. 11/411:30 amLHR - TYS
2 stops16h 52mDelta
Deal found 10/27$592
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/283:48 pmTYS - LHR
1 stop13h 12mKLM
mar. 11/48:55 amLHR - TYS
1 stop12h 35mKLM
Deal found 10/27$599
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/285:45 amTYS - LHR
2 stops20h 25mMultiple Airlines
mié. 12/38:45 amLHR - TYS
2 stops39h 44mMultiple Airlines
Deal found 10/30$609
This United Airlines deal was found by Cheapflights users on 10/30. 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.
vie. 11/285:45 amTYS - LHR
1 stop19h 55mUnited Airlines
mié. 12/36:35 amLHR - TYS
2 stops19h 29mUnited Airlines
Deal found 10/30$618
This United Airlines deal was found by Cheapflights users on 10/29. 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.
mar. 11/410:50 amTYS - LHR
1 stop19h 25mUnited Airlines
mar. 11/116:35 amLHR - TYS
2 stops18h 45mUnited Airlines
Deal found 10/29$619
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/47:20 pmTYS - LHR
2 stops30h 50mMultiple Airlines
mar. 11/118:15 pmLHR - TYS
2 stops31h 40mMultiple Airlines
Deal found 10/29$620
This United Airlines deal was found by Cheapflights users on 10/27. 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.
mar. 10/281:52 pmTYS - LHR
2 stops17h 13mUnited Airlines
mar. 11/46:35 amLHR - TYS
2 stops18h 45mUnited Airlines
Deal found 10/27$623
This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/282:49 pmTYS - LHR
1 stop13h 11mKLM
mié. 12/38:55 amLHR - TYS
1 stop12h 58mKLM
Deal found 10/30$624
This United Airlines deal was found by Cheapflights users on 10/30. 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.
vie. 12/1210:50 amTYS - LHR
2 stops14h 50mUnited Airlines
lun. 12/159:00 amLHR - TYS
2 stops33h 17mUnited Airlines
Deal found 10/30$625
This United Airlines deal was found by Cheapflights users on 10/30. 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.
dom. 11/95:45 amTYS - LHR
1 stop24h 05mUnited Airlines
mar. 11/254:20 pmLHR - TYS
1 stop12h 39mUnited Airlines
Deal found 10/30$639
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mar. 11/41:52 pmTYS - LCY
2 stops18h 03mMultiple Airlines
mar. 11/119:50 amLCY - TYS
2 stops19h 09mMultiple Airlines
Deal found 10/28$664

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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$578
(Kiwi.com)

One-way from

$367
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$795
Provider with most accurate pricing for Knoxville McGhee Tyson-London (LON) flight deals.
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-London (LON) flights.
From Knoxville McGhee Tyson to London (LON)
One-way flight from Knoxville McGhee Tyson to London (LON)
Highest demand for flights based on searches. 17% potential increase in price ($199 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 octubre 30, 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

mar. 12/2

7:59 pm-11:40 am

1 stop10h 41m

London Heathrow

mié. 12/10

6:20 am-8:00 pm

2 stops18h 40m

$591

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

mié. 1/7

11:05 am-10:15 am

2 stops18h 10m

London Heathrow

mar. 1/27

11:30 am-11:45 pm

2 stops17h 15m

$604

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

mié. 12/3

10:50 am-7:10 am

2 stops15h 20m

London Heathrow

lun. 12/8

9:00 am-9:04 pm

2 stops17h 04m

$620

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

mié. 12/3

6:29 am-7:05 am

1 stop19h 36m

London Heathrow

lun. 12/8

10:45 am-6:52 pm

1 stop13h 07m

$624

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

dom. 11/9

5:45 am-10:50 am

1 stop24h 05m

London Heathrow

mar. 11/25

4:20 pm-11:59 pm

1 stop12h 39m

$639

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

jue. 11/27

9:50 am-7:10 am

2 stops16h 20m

London Heathrow

jue. 12/4

6:35 am-7:29 pm

2 stops17h 54m

$644

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

jue. 11/27

3:53 pm-7:50 am

1 stop10h 57m

London Heathrow

jue. 12/4

3:50 pm-11:28 pm

1 stop12h 38m

$649

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

vie. 12/12

7:59 pm-11:40 am

1 stop10h 41m

London Heathrow

lun. 12/15

8:55 am-6:52 pm

1 stop14h 57m

$649

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

vie. 12/12

10:50 am-6:40 am

2 stops14h 50m

London Heathrow

vie. 12/19

4:20 pm-11:59 pm

1 stop12h 39m

$653

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

dom. 1/11

5:29 pm-11:15 am

1 stop12h 46m

London Heathrow

sáb. 1/17

3:30 pm-9:02 pm

2 stops34h 32m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October.
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

*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 October 24, 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 $505). 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 octubre 30, 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.

How much does it cost to fly round-trip from Knoxville to London?

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 octubre 30, 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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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?

    Delta, United Airlines, and Virgin Atlantic can get you from Knoxville to London in just under 10h 41m. Your travel time can differ by up to 8h 55m. 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 $572, 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 39% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Knoxville to London one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $397. Users have also found prices from $399 and $418 on United Airlines and Virgin Atlantic, respectively.

  • 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 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 $505). 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?

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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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$572Average$944FlexibilityNo cancel feeOn-time72%
DeltaCheapest$624Average$895FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$693Average$839FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$712Average$990FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$732Average$976FlexibilityNo cancel feeOn-time69%

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