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$420+ Cheap flights from the United Kingdom 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
Jul 7 — Jul 141
Tue 7/7
Tue 7/14
1 adult, Economy
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Cheap flight deals from United Kingdom to Knoxville

Cheapest flights from United Kingdom to Knoxville
Explore the most affordable flight options available from United Kingdom to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Fri 7/32:00 pm
LGW
-
TYS
1 stop14h 33m
Multiple Airlines
Mon 7/137:20 pm
TYS
-
LGW
1 stop33h 40m
Multiple Airlines
Deal found 6/3$806
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Fri 7/32:00 pm
LGW
-
TYS
1 stop14h 33m
Multiple Airlines
Fri 7/107:20 pm
TYS
-
LGW
1 stop33h 40m
Multiple Airlines
Deal found 6/2$813
This ChecknFly deal was found by Cheapflights users on 6/7. 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.
Sat 11/219:30 am
LHR
-
TYS
2 stops19h 07m
Lufthansa
Fri 11/275:39 pm
TYS
-
LHR
1 stop31h 16m
Lufthansa
Deal found 6/7$863
This United Airlines deal was found by Cheapflights users on 6/6. 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 11/2211:10 am
LHR
-
TYS
2 stops17h 27m
United Airlines
Tue 12/12:20 pm
TYS
-
LHR
2 stops13h 05m
United Airlines
Deal found 6/6$868
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:10 pm
LHR
-
TYS
2 stops25h 49m
British Airways
Tue 12/14:15 pm
TYS
-
LHR
1 stop10h 05m
British Airways
Deal found 6/6$895
This TravelUp deal was found by Cheapflights users on 6/6. 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 7/106:30 am
LHR
-
TYS
2 stops22h 24m
Lufthansa
Sat 7/181:35 pm
TYS
-
LHR
1 stop12h 20m
Lufthansa
Deal found 6/6$896
This British Airways deal was found by Cheapflights users on 6/6. 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.
Tue 11/246:05 am
LHR
-
TYS
2 stops16h 56m
British Airways
Tue 12/14:15 pm
TYS
-
LHR
1 stop12h 00m
British Airways
Deal found 6/6$898
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 11/224:20 pm
LHR
-
TYS
1 stop12h 17m
Lufthansa
Tue 12/12:00 pm
TYS
-
LHR
1 stop12h 55m
Lufthansa
Deal found 6/7$899
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 11/191:35 pm
LHR
-
TYS
1 stop12h 30m
United Airlines
Fri 12/42:00 pm
TYS
-
LHR
1 stop12h 55m
United Airlines
Deal found 6/6$901
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 7/108:40 am
LHR
-
TYS
2 stops16h 54m
United Airlines
Sat 7/1810:18 am
TYS
-
LHR
2 stops14h 37m
United Airlines
Deal found 6/6$903
This Flightcatchers deal was found by Cheapflights users on 6/2. 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 Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:05 pm
LHR
-
TYS
2 stops26h 08m
Virgin Atlantic
Mon 10/197:20 pm
TYS
-
LHR
1 stop11h 00m
Virgin Atlantic
Deal found 6/2$904
This ChecknFly deal was found by Cheapflights users on 6/6. 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.
Wed 7/14:40 pm
LHR
-
TYS
1 stop26h 47m
Lufthansa
Wed 7/1512:10 pm
TYS
-
LHR
1 stop18h 25m
Lufthansa
Deal found 6/6$907

Find flight deals from United Kingdom to Knoxville

Keep the following information in mind while searching for United Kingdom to Knoxville flight deals. Data was last updated June 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$806
(Kiwi.com)

One-way from

$420
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$989
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 United Kingdom to Knoxville McGhee Tyson
Search Deals
One-way flight from United Kingdom to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 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 United Kingdom 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 7, 2026.
Use the filters below to find and compare flights from the United Kingdom 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 7/3

2:00 pm-11:33 pm

1 stop14h 33m

Knoxville McGhee Tyson

Mon 7/13

7:20 pm-10:00 am

1 stop33h 40m

$806

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 7/3

2:00 pm-11:33 pm

1 stop14h 33m

Knoxville McGhee Tyson

Fri 7/10

7:20 pm-10:00 am

1 stop33h 40m

$813

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 11/21

9:30 am-11:37 pm

2 stops19h 07m

Knoxville McGhee Tyson

Fri 11/27

5:39 pm-5:55 am

1 stop31h 16m

$863

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 11/22

1:00 pm-1:18 pm

2 stops29h 18m

Knoxville McGhee Tyson

Tue 12/1

7:35 pm-10:50 am

1 stop10h 15m

$892

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 11/24

6:05 am-6:01 pm

2 stops16h 56m

Knoxville McGhee Tyson

Tue 12/1

4:15 pm-9:15 am

1 stop12h 00m

$898

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 7/10

8:40 am-8:34 pm

2 stops16h 54m

Knoxville McGhee Tyson

Sat 7/18

10:18 am-5:55 am

2 stops14h 37m

$903

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/15

6:15 pm-8:13 pm

2 stops30h 58m

Knoxville McGhee Tyson

Sun 9/20

8:15 pm-7:40 am

1 stop30h 25m

$916

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 9/13

7:35 pm-8:13 pm

2 stops29h 38m

Knoxville McGhee Tyson

Sun 9/20

8:15 pm-7:40 am

1 stop30h 25m

$916

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 9/14

7:30 pm-8:13 pm

2 stops29h 43m

Knoxville McGhee Tyson

Sun 9/20

8:15 pm-7:40 am

1 stop30h 25m

$916

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 11/25

7:30 am-9:05 pm

2 stops18h 35m

Knoxville McGhee Tyson

Mon 11/30

5:45 am-6:40 am

1 stop19h 55m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 50 resultsSorted by cheapest first
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Best time to book a flight from United Kingdom to Knoxville

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

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

Currently, December is the cheapest month in which you can book a flight from United Kingdom to Knoxville (average of $379). Flying from United Kingdom to Knoxville in July is currently the most expensive (average of $749). 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 far ahead should I book a flight from United Kingdom to Knoxville?

Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom 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 United Kingdom 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 United Kingdom?

    Knoxville McGhee Tyson (TYS), located 11.3 mi from the city center, is the airport you fly into when you book flights from United Kingdom to Knoxville.

  • How long is the flight from United Kingdom to Knoxville?

    Departing from United Kingdom to Knoxville will take you 19h 07m. The distance from United Kingdom to Knoxville is about 4076 mi. This flight may include one or multiple stops.

  • What are the most popular routes from United Kingdom to Knoxville?

    Most travelers choose London Heathrow - Knoxville McGhee Tyson, Newcastle upon Tyne - Knoxville McGhee Tyson or London Gatwick - Knoxville McGhee Tyson when deciding on the best route from United Kingdom to Knoxville.

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

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

  • How can I find direct flights from United Kingdom to Knoxville?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Knoxville?

    Currently, December is the cheapest month in which you can book a flight from United Kingdom to Knoxville (average of $379). Flying from United Kingdom to Knoxville in July is currently the most expensive (average of $749). 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
Oak Ridge

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