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Knoxville

$578+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
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 June 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:00 pm
LGW
-
TYS
1 stop13h 56m
Multiple Airlines
Sun 9/137:10 am
TYS
-
LGW
2 stops20h 15m
Multiple Airlines
Deal found 6/21$718
This Cheapflightsfares deal was found by Cheapflights users on 6/20. 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 10/610:50 am
LHR
-
TYS
2 stops18h 09m
Lufthansa
Fri 10/237:25 pm
TYS
-
LHR
1 stop10h 15m
Lufthansa
Deal found 6/20$840
This TravelUp deal was found by Cheapflights users on 6/21. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:30 am
LHR
-
TYS
2 stops20h 29m
Lufthansa
Sun 9/136:02 pm
TYS
-
LHR
1 stop12h 53m
Lufthansa
Deal found 6/21$848
This United Airlines deal was found by Cheapflights users on 6/22. 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 9/238:40 am
LHR
-
TYS
2 stops19h 09m
United Airlines
Sat 9/265:45 am
TYS
-
LHR
1 stop23h 55m
United Airlines
Deal found 6/22$854
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Sat 6/272:00 pm
LGW
-
TYS
2 stops51h 46m
Multiple Airlines
Sat 7/255:59 pm
TYS
-
LGW
1 stop35h 01m
Multiple Airlines
Deal found 6/20$857
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:45 am
LHR
-
TYS
2 stops20h 11m
Lufthansa
Tue 12/12:00 pm
TYS
-
LHR
1 stop10h 55m
Lufthansa
Deal found 6/24$857
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sat 10/316:35 am
LHR
-
TYS
2 stops18h 09m
United Airlines
Sat 11/79:45 am
TYS
-
LHR
2 stops15h 35m
United Airlines
Deal found 6/22$859
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Sat 11/216:50 am
LHR
-
TYS
2 stops15h 12m
United Airlines
Fri 11/272:00 pm
TYS
-
LHR
2 stops14h 10m
United Airlines
Deal found 6/21$862
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:30 am
LHR
-
TYS
2 stops17h 06m
United Airlines
Tue 12/110:16 am
TYS
-
LHR
2 stops15h 04m
United Airlines
Deal found 6/24$873
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:00 pm
LGW
-
TYS
1 stop13h 44m
Multiple Airlines
Sun 8/239:30 am
TYS
-
LGW
2 stops24h 10m
Multiple Airlines
Deal found 6/21$966
This American Airlines deal was found by Cheapflights users on 6/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:20 pm
LGW
-
TYS
2 stops16h 39m
American Airlines
Sat 7/258:56 am
TYS
-
LGW
2 stops18h 44m
American Airlines
Deal found 6/20$1,006
This TravelUp deal was found by Cheapflights users on 6/21. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:20 am
LCY
-
TYS
2 stops17h 40m
Virgin Atlantic
Sun 9/1311:45 am
TYS
-
LCY
2 stops16h 05m
Virgin Atlantic
Deal found 6/21$1,016

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 June 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$718
(Kiwi.com)

One-way from

$578
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$1,026
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.
Search Deals
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. 14% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 25, 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

Fri 9/4

2:00 pm-10:56 pm

1 stop13h 56m

Knoxville McGhee Tyson

Sun 9/13

7:10 am-8:25 am

2 stops20h 15m

$718

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 10/6

10:50 am-11:59 pm

2 stops18h 09m

Knoxville McGhee Tyson

Fri 10/23

7:25 pm-6:40 pm

2 stops18h 15m

$845

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 9/23

8:40 am-10:49 pm

2 stops19h 09m

Knoxville McGhee Tyson

Sat 9/26

5:45 am-10:40 am

1 stop23h 55m

$854

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 10/31

6:35 am-8:44 pm

2 stops18h 09m

Knoxville McGhee Tyson

Sat 11/7

9:45 am-6:20 am

2 stops15h 35m

$859
Quickest round-trip

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 11/21

6:50 am-5:02 pm

2 stops15h 12m

Knoxville McGhee Tyson

Fri 11/27

7:20 pm-10:50 am

1 stop10h 30m

$862

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 11/22

7:30 am-7:36 pm

2 stops17h 06m

Knoxville McGhee Tyson

Tue 12/1

2:00 pm-12:50 pm

2 stops17h 50m

$865

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 7/4

9:30 am-8:39 pm

2 stops16h 09m

Knoxville McGhee Tyson

Fri 7/10

3:25 pm-7:55 am

1 stop35h 30m

$928

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 7/6

11:05 am-8:44 pm

1 stop14h 39m

Knoxville McGhee Tyson

Mon 7/20

6:00 am-6:45 am

1 stop19h 45m

$930

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 9/4

7:25 am-8:24 pm

2 stops17h 59m

Knoxville McGhee Tyson

Sun 9/13

10:45 am-6:55 am

2 stops15h 10m

$939

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 8/14

2:00 pm-10:44 pm

1 stop13h 44m

Knoxville McGhee Tyson

Sun 8/23

9:30 am-2:40 pm

2 stops24h 10m

$966

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 34 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

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

Currently, December is the cheapest month in which you can book a flight from London to Knoxville (average of $379). Flying from London to Knoxville in July is currently the most expensive (average of $855). 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?

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

Booking 54 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.

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 0 airlines. 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 $1,016, Lufthansa can have you in Knoxville from London in 17h 40m. London and Knoxville are separated by a distance of 4095 mi. This flight may include one or multiple stops.

  • 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, December is the cheapest month in which you can book a flight from London to Knoxville (average of $379). Flying from London to Knoxville in July is currently the most expensive (average of $855). 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
Morristown
Bryson City
Murphy
Alcoa

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