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$419+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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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 March 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/152:00 pm
LGW
-
TYS
2 stops29h 45m
Multiple Airlines
Fri 4/241:15 pm
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 3/24$730
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/152:00 pm
LGW
-
TYS
2 stops30h 41m
Multiple Airlines
Mon 4/201:15 pm
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 3/25$732
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Fri 4/172:00 pm
LGW
-
TYS
2 stops27h 06m
Multiple Airlines
Fri 4/241:15 pm
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 3/24$755
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Fri 4/172:00 pm
LGW
-
TYS
2 stops27h 06m
Multiple Airlines
Mon 4/201:15 pm
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 3/24$770
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/122:00 pm
LGW
-
TYS
1 stop32h 30m
Multiple Airlines
Fri 4/241:15 pm
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 3/24$786
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Sat 4/182:00 pm
LGW
-
TYS
2 stops35h 42m
Multiple Airlines
Fri 4/241:15 pm
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 3/24$796
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/122:00 pm
LGW
-
TYS
1 stop32h 30m
Multiple Airlines
Mon 4/201:15 pm
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 3/24$801
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:10 pm
LHR
-
TYS
1 stop13h 13m
British Airways
Tue 9/83:01 pm
TYS
-
LHR
1 stop12h 04m
British Airways
Deal found 3/23$879
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Tue 5/58:45 am
LHR
-
TYS
2 stops17h 00m
United Airlines
Tue 5/122:25 pm
TYS
-
LHR
1 stop15h 15m
United Airlines
Deal found 3/21$887
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:25 am
LHR
-
TYS
2 stops18h 23m
United Airlines
Tue 9/88:30 am
TYS
-
LHR
2 stops17h 25m
United Airlines
Deal found 3/23$889
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:15 am
LHR
-
TYS
1 stop12h 52m
British Airways
Thu 4/305:06 pm
TYS
-
LHR
1 stop12h 24m
British Airways
Deal found 3/23$903
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 am
LHR
-
TYS
2 stops17h 17m
Lufthansa
Thu 4/302:25 pm
TYS
-
LHR
1 stop15h 15m
Lufthansa
Deal found 3/23$909

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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$730
(Kiwi.com)

One-way from

$419
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$759
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. 2% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 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 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 March 26, 2026.
Use the filters below to find and compare flights from London to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Wed 4/15

2:00 pm-2:45 pm

2 stops29h 45m

Knoxville McGhee Tyson

Fri 4/24

1:15 pm-10:00 am

1 stop15h 45m

$730

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Sun 4/12

2:00 pm-5:30 pm

1 stop32h 30m

Knoxville McGhee Tyson

Mon 4/20

1:15 pm-10:00 am

1 stop15h 45m

$801

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 4/17

2:00 pm-12:06 pm

2 stops27h 06m

Knoxville McGhee Tyson

Mon 4/20

1:15 pm-10:00 am

1 stop15h 45m

$823

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Sat 4/18

2:00 pm-8:42 pm

2 stops35h 42m

Knoxville McGhee Tyson

Fri 4/24

1:15 pm-10:00 am

1 stop15h 45m

$843

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 5/6

7:25 am-8:45 pm

2 stops18h 20m

Knoxville McGhee Tyson

Wed 5/13

10:49 am-5:55 am

2 stops14h 06m

$889

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Sat 4/18

2:00 pm-2:45 pm

2 stops29h 45m

Knoxville McGhee Tyson

Mon 4/20

1:15 pm-10:00 am

1 stop15h 45m

$912

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 5/1

8:40 am-8:12 pm

2 stops16h 32m

Knoxville McGhee Tyson

Wed 5/6

10:49 am-6:55 am

2 stops15h 06m

$928

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 4/25

10:50 am-10:34 pm

2 stops16h 44m

Knoxville McGhee Tyson

Thu 4/30

10:49 am-6:55 am

2 stops15h 06m

$929

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 4/15

8:40 am-9:20 pm

2 stops17h 40m

Knoxville McGhee Tyson

Tue 4/21

12:03 pm-7:15 am

1 stop14h 12m

$945

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 4/15

9:55 am-11:54 pm

2 stops18h 59m

Knoxville McGhee Tyson

Thu 4/23

7:29 am-6:25 am

1 stop17h 56m

$947

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 51 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on London-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Knoxville flight deals on Cheapflights vs. FlightHub >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 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 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 March 13, 2026.

Booking 39 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, November is the cheapest month in which you can book a flight from London to Knoxville (average of $612). Flying from London to Knoxville in January is currently the most expensive (average of $797). 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?

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 $887, United Airlines can have you in Knoxville from London in 17h. London and Knoxville are separated by a distance of 4076 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 18% 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 City - Knoxville McGhee Tyson or London Gatwick - 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, November is the cheapest month in which you can book a flight from London to Knoxville (average of $612). Flying from London to Knoxville in January is currently the most expensive (average of $797). 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
Murphy
Oak Ridge

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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$720Average$1,308FlexibilityNo cancel feeOn-time70%

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