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Knoxville

$554+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
mar. 5 — mar. 121
jue. 3/5
jue. 3/12
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 febrero 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
jue. 2/52:00 pm
LGW
-
TYS
1 stop32h 28m
Multiple Airlines
lun. 2/912:55 pm
TYS
-
LGW
1 stop16h 05m
Multiple Airlines
Deal found 2/1$725
This United Airlines deal was found by Cheapflights users on 2/1. 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.
mié. 3/187:30 am
LHR
-
TYS
2 stops15h 59m
United Airlines
mié. 3/259:00 am
TYS
-
LHR
1 stop18h 30m
United Airlines
Deal found 2/1$815
This United Airlines deal was found by Cheapflights users on 2/2. 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.
jue. 3/196:35 am
LHR
-
TYS
2 stops18h 12m
United Airlines
jue. 3/269:00 am
TYS
-
LHR
1 stop21h 15m
United Airlines
Deal found 2/2$839
This United Airlines deal was found by Cheapflights users on 2/2. 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.
sáb. 11/219:00 am
LHR
-
TYS
2 stops29h 59m
United Airlines
mar. 12/810:50 am
TYS
-
LHR
2 stops14h 50m
United Airlines
Deal found 2/2$851
This ChecknFly deal was found by Cheapflights users on 2/2. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/194:20 pm
LHR
-
TYS
1 stop22h 29m
Lufthansa
jue. 3/267:05 am
TYS
-
LHR
1 stop20h 25m
Lufthansa
Deal found 2/2$859
This The Travel House deal was found by Cheapflights users on 2/2. 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.
sáb. 11/2111:00 am
LHR
-
TYS
1 stop15h 24m
Finnair
mar. 12/81:14 pm
TYS
-
LHR
1 stop14h 21m
Finnair
Deal found 2/2$861
This TravelUp deal was found by Cheapflights users on 2/2. 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.
sáb. 11/2111:00 am
LHR
-
TYS
1 stop15h 24m
British Airways
mar. 12/82:58 pm
TYS
-
LHR
1 stop15h 37m
British Airways
Deal found 2/2$862
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
jue. 3/192:00 pm
LGW
-
TYS
1 stop32h 27m
Multiple Airlines
jue. 3/267:00 am
TYS
-
LGW
2 stops23h 00m
Multiple Airlines
Deal found 2/2$872
This TravelUp deal was found by Cheapflights users on 2/3. 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.
mar. 2/1711:05 am
LHR
-
TYS
1 stop17h 07m
Virgin Atlantic
sáb. 2/215:00 pm
TYS
-
LHR
1 stop32h 25m
Virgin Atlantic
Deal found 2/3$875
This British Airways deal was found by Cheapflights users on 2/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/196:55 am
LHR
-
TYS
2 stops19h 12m
British Airways
lun. 2/2311:42 am
TYS
-
LHR
1 stop14h 13m
British Airways
Deal found 2/2$879
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 3/202:00 pm
LGW
-
TYS
1 stop25h 41m
Multiple Airlines
vie. 3/272:06 pm
TYS
-
LGW
1 stop15h 54m
Multiple Airlines
Deal found 2/2$913
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
vie. 3/132:00 pm
LGW
-
TYS
1 stop32h 42m
Multiple Airlines
vie. 3/272:06 pm
TYS
-
LGW
1 stop15h 54m
Multiple Airlines
Deal found 2/3$914

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 febrero 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$815
(United Airlines)

One-way from

$554
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$734
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. 1% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 febrero 3, 2026.
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

LHR - TYS

LHRTYS

London Heathrow

mié. 3/18

7:30 am-7:29 pm

2 stops15h 59m

Knoxville McGhee Tyson

mié. 3/25

9:00 am-7:30 am

1 stop18h 30m

$815

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

jue. 3/19

6:35 am-8:47 pm

2 stops18h 12m

Knoxville McGhee Tyson

jue. 3/26

9:00 am-10:15 am

1 stop21h 15m

$839

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

jue. 3/19

2:00 pm-6:27 pm

1 stop32h 27m

Knoxville McGhee Tyson

jue. 3/26

7:00 am-10:00 am

2 stops23h 00m

$872

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

mar. 2/17

11:05 am-11:12 pm

1 stop17h 07m

Knoxville McGhee Tyson

sáb. 2/21

5:00 pm-6:25 am

1 stop32h 25m

$875

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

jue. 2/19

6:55 am-9:07 pm

2 stops19h 12m

Knoxville McGhee Tyson

lun. 2/23

11:42 am-6:55 am

1 stop14h 13m

$879

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

vie. 3/20

2:00 pm-11:41 am

1 stop25h 41m

Knoxville McGhee Tyson

vie. 3/27

2:06 pm-10:00 am

1 stop15h 54m

$913

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

vie. 3/13

2:00 pm-6:42 pm

1 stop32h 42m

Knoxville McGhee Tyson

vie. 3/27

2:06 pm-10:00 am

1 stop15h 54m

$914

LondonKnoxville

LCY - TYS

LCYTYS

London City

jue. 3/19

8:40 am-9:05 pm

2 stops16h 25m

Knoxville McGhee Tyson

jue. 3/26

6:10 am-6:20 pm

2 stops32h 10m

$957

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

vie. 3/20

11:20 am-11:20 am

2 stops28h 00m

Knoxville McGhee Tyson

vie. 3/27

11:45 am-7:30 am

2 stops15h 45m

$1,176

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

lun. 7/20

10:25 am-11:47 pm

2 stops18h 22m

Knoxville McGhee Tyson

mar. 7/28

5:57 pm-4:00 pm

2 stops17h 03m

$1,417

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 31 results
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2
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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 January 30, 2026.

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 $755). 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 febrero 3, 2026.
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
7,711 reviews

Entertainment

6.4

Crew

7.6

Comfort

6.8

Food

6.4

Boarding

6.9

Overall

6.7

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
7,711 reviews
British Airways
6.7
Okay
7,711 reviews

Entertainment

6.4

Crew

7.6

Comfort

6.8

Food

6.4

Boarding

6.9

Overall

6.7

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 $815, United Airlines can have you in Knoxville from London in 15h 59m. 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 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 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, 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 $755). 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 febrero 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$720Average$1,308FlexibilityNo cancel feeOn-time70%

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