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$417+ Cheap flights from London (LON) to Knoxville (TYS)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from London to Knoxville McGhee Tyson are usually found in February or November, booked 10 days in advance, depart on a Friday or Tuesday and return on a Wednesday

Cheap flight deals from London to Knoxville

Cheapest flights from London to Knoxville
Explore the most affordable flight options available from London to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:50 pmLHR - TYS
1 stop31h 24mVirgin Atlantic
Mon 6/227:20 pmTYS - LHR
1 stop10h 50mVirgin Atlantic
Deal found 12/17$1,317
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:15 amLHR - TYS
2 stops20h 06mIberia
Mon 6/226:56 pmTYS - LHR
1 stop12h 19mIberia
Deal found 12/17$1,333
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:50 amLGW - TYS
3 stops20h 06mMultiple Airlines
Tue 12/237:15 amTYS - LGW
1 stop17h 45mMultiple Airlines
Deal found 12/17$1,782
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amLHR - TYS
3 stops35h 00mMultiple Airlines
Tue 12/239:27 pmTYS - LHR
3 stops30h 53mMultiple Airlines
Deal found 12/17$1,845
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.
Sun 12/219:55 amLHR - TYS
1 stop17h 03mBritish Airways
Tue 12/235:40 pmTYS - LHR
1 stop32h 40mBritish Airways
Deal found 12/17$2,739
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:20 pmLHR - TYS
2 stops34h 01mAer Lingus
Tue 12/237:48 amTYS - LHR
2 stops26h 47mAer Lingus
Deal found 12/17$3,079
This lastminute.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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:15 pmLHR - TYS
3 stops47h 33mMultiple Airlines
Mon 6/221:27 pmTYS - LHR
2 stops18h 13mMultiple Airlines
Deal found 12/17$5,327

Find flight deals from London to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Knoxville (TYS). 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

$581
(Kiwi.com)

One-way from

$417
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,068
Provider with most accurate pricing for London (LON)-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Knoxville McGhee Tyson flights.
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From London (LON) to Knoxville McGhee Tyson
Search Deals
One-way flight from London (LON) to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 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 London to Knoxville 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 London to Knoxville that are best for you.

Fly from

London

Fly to

Knoxville

Route

Depart

Return

Price

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 1/30

2:00 pm-8:39 am

2 stops47h 39m

Knoxville McGhee Tyson

Fri 2/6

12:55 pm-10:00 am

1 stop16h 05m

$581

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 1/12

2:00 pm-12:10 pm

1 stop27h 10m

Knoxville McGhee Tyson

Mon 1/26

7:15 am-10:00 am

2 stops21h 45m

$641

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 1/12

11:20 am-9:45 am

2 stops27h 25m

Knoxville McGhee Tyson

Mon 1/26

10:11 am-9:00 am

2 stops17h 49m

$696

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 3/3

8:15 am-10:02 pm

2 stops18h 47m

Knoxville McGhee Tyson

Sun 4/26

8:44 pm-9:05 am

1 stop31h 21m

$702

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 3/3

8:15 am-10:02 pm

2 stops18h 47m

Knoxville McGhee Tyson

Mon 4/27

11:03 am-10:20 am

1 stop18h 17m

$702

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 3/3

6:45 am-10:02 pm

2 stops20h 17m

Knoxville McGhee Tyson

Wed 4/29

6:22 pm-9:05 am

1 stop9h 43m

$702

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 3/4

9:55 am-5:31 pm

1 stop12h 36m

Knoxville McGhee Tyson

Thu 4/30

3:03 pm-6:50 am

1 stop10h 47m

$713

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 3/4

9:55 am-5:31 pm

1 stop12h 36m

Knoxville McGhee Tyson

Mon 4/27

6:22 pm-12:30 pm

1 stop13h 08m

$713

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 3/2

2:10 pm-9:23 pm

1 stop12h 13m

Knoxville McGhee Tyson

Sun 4/26

8:44 pm-6:55 am

1 stop29h 11m

$713

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 3/3

11:45 am-7:08 pm

1 stop12h 23m

Knoxville McGhee Tyson

Thu 4/30

3:03 pm-9:05 am

1 stop13h 02m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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

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 London to Knoxville in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 London-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Knoxville 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 London-Knoxville 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 London to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from London 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 London to Knoxville

How far ahead should I book a flight from London to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from London to Knoxville. Price data was last updated on December 12, 2025.

Booking 10 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Knoxville?

Currently, April is the cheapest month in which you can book a flight from London to Knoxville (average of $366). Flying from London to Knoxville in July is currently the most expensive (average of $751). 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.

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

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown British Airways from London to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,585 reviews

Crew

7.6

Food

6.4

Overall

6.7

Comfort

6.7

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,585 reviews
British Airways
6.7
Okay
7,585 reviews

Crew

7.6

Food

6.4

Overall

6.7

Comfort

6.7

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from London to Knoxville. 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 into for flights to Knoxville from London?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from London. On average, McGhee Tyson has 0 inbound flights from London per day from 1 airline. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from London to Knoxville?

    For as low as $1,197, American Airlines can have you in Knoxville from London in 18h 42m. London and Knoxville are separated by a distance of 4095 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from London to Knoxville round-trip?

    British Airways, at $720, was found to be the cheapest airline from London to Knoxville.. British Airways is 17% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from London to Knoxville?

    While some choose either London Gatwick - Knoxville McGhee Tyson or London City - Knoxville McGhee Tyson, London Heathrow - Knoxville McGhee Tyson is the most popular route from London to Knoxville.

  • Can I find deals for flights from London to Knoxville that include hotel bookings?

    Yes. In addition to deals on London to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Knoxville.

  • Can I find deals for business class flights from London to Knoxville?

    Yes. Cheapflights offers flight deals from London to Knoxville 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 London to Knoxville?

    Currently, April is the cheapest month in which you can book a flight from London to Knoxville (average of $366). Flying from London to Knoxville in July is currently the most expensive (average of $751). 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from London to Knoxville

Discover the top airline that operate flights from London to Knoxville. 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
British AirwaysCheapest$720Average$1,308FlexibilityNo cancel feeOn-time70%

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