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Cheap flights from London to Knoxville from £317

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
23 Aug — 30 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Knoxville

Enter your travel dates to find the best prices.

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 24 July 2026.

Fri 4/914:00
LGW
-
TYS
1 stop13h 56m
Multiple Airlines
Fri 11/908:20
TYS
-
LGW
1 stop20h 40m
Multiple Airlines
Deal found 22/7£512
Mon 14/906:40
LHR
-
TYS
2 stops20h 10m
Scandinavian Airlines
Thu 24/914:08
TYS
-
LHR
2 stops20h 52m
Scandinavian Airlines
Deal found 21/7£571
Thu 3/906:40
LHR
-
TYS
2 stops22h 12m
Scandinavian Airlines
Sun 6/917:00
TYS
-
LHR
2 stops20h 30m
Scandinavian Airlines
Deal found 21/7£593
Fri 4/906:40
LHR
-
TYS
3 stops20h 20m
Scandinavian Airlines
Fri 11/917:45
TYS
-
LHR
2 stops14h 50m
Scandinavian Airlines
Deal found 22/7£598
Mon 7/906:40
LHR
-
TYS
3 stops22h 12m
Scandinavian Airlines
Mon 21/916:40
TYS
-
LHR
2 stops24h 00m
Scandinavian Airlines
Deal found 22/7£628
Mon 31/814:25
LHR
-
TYS
1 stop12h 52m
Finnair
Tue 8/906:57
TYS
-
LHR
2 stops21h 43m
Finnair
Deal found 24/7£639
Fri 14/814:00
LGW
-
TYS
1 stop13h 44m
Multiple Airlines
Mon 17/818:29
TYS
-
LGW
1 stop34h 31m
Multiple Airlines
Deal found 21/7£651
Mon 7/908:30
LHR
-
TYS
2 stops20h 29m
Lufthansa
Mon 21/919:20
TYS
-
LHR
1 stop10h 20m
Lufthansa
Deal found 22/7£666
Sun 30/812:30
LHR
-
TYS
1 stop12h 37m
Finnair
Mon 7/918:05
TYS
-
LHR
2 stops34h 35m
Finnair
Deal found 24/7£669
Mon 14/909:30
LHR
-
TYS
2 stops19h 29m
Lufthansa
Thu 24/918:03
TYS
-
LHR
1 stop12h 52m
Lufthansa
Deal found 21/7£671
Mon 7/914:00
LGW
-
TYS
1 stop29h 31m
Multiple Airlines
Mon 21/916:18
TYS
-
LGW
1 stop12h 42m
Multiple Airlines
Deal found 22/7£672
Mon 31/812:10
LHR
-
TYS
2 stops55h 27m
United Airlines
Mon 7/919:20
TYS
-
LHR
2 stops21h 05m
United Airlines
Deal found 24/7£676

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 24 July 2026.

Round-trip from

£512

One-way from

£317

Popular in

March

Cheapest in

January

Average price

£886
4/9-11/9
  • 4/9-11/9
  • 2 total stops
  • 34h 36m total
  • London to Knoxville
Search Deals
14/9
  • 14/9
  • 1 total stop
  • 29h 31m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 24 July 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 return flight

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 4/9

14:00-22:56

1 stop13h 56m

Knoxville McGhee Tyson

Fri 11/9

08:20-10:00

1 stop20h 40m

£512

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 14/9

06:40-21:50

2 stops20h 10m

Knoxville McGhee Tyson

Thu 24/9

14:08-16:00

2 stops20h 52m

£571

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 14/8

14:00-22:44

1 stop13h 44m

Knoxville McGhee Tyson

Mon 17/8

18:29-10:00

1 stop34h 31m

£651

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 7/9

14:00-14:31

1 stop29h 31m

Knoxville McGhee Tyson

Mon 21/9

16:18-10:00

1 stop12h 42m

£672

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 13/10

10:50-23:59

2 stops18h 09m

Knoxville McGhee Tyson

Tue 20/10

13:55-09:20

2 stops14h 25m

£695

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 22/11

11:05-16:59

2 stops34h 54m

Knoxville McGhee Tyson

Tue 1/12

19:35-10:50

1 stop10h 15m

£699

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 11/10

17:55-20:19

2 stops31h 24m

Knoxville McGhee Tyson

Sun 18/10

19:25-11:20

2 stops34h 55m

£705

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 7/9

12:20-23:51

2 stops16h 31m

Knoxville McGhee Tyson

Mon 21/9

14:00-10:10

2 stops15h 10m

£708

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 3/9

07:25-20:24

2 stops17h 59m

Knoxville McGhee Tyson

Thu 10/9

09:45-06:45

2 stops16h 00m

£714

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 5/9

08:45-20:53

2 stops17h 08m

Knoxville McGhee Tyson

Sat 12/9

10:45-08:30

1 stop16h 45m

£739

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 53 resultsSorted by cheapest first
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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 return 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, September is the cheapest month in which you can book a flight from London to Knoxville (average of £569). Flying from London to Knoxville in December is currently the most expensive (average of £926). 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 for a return flight from London to Knoxville?

Airfare is below average for this route at the moment.
London to Knoxville flights typically cost between £695 and £944 in September.
The cheapest return price found within the last 5 days was £512 on Multiple Airlines (4 Sept–11 Sept).

What’s the top stopover airport for flights from London to Knoxville?

Share of one-stop return flights from London to Knoxville chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Atlanta (ATL) – chosen by Cheapflights users on 31% of one-stop itineraries from London to Knoxville on Cheapflights.

What’s the cheapest stopover airport for flights from London to Knoxville?

Average return fare for one-stop flights from London to Knoxville, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Philadelphia (PHL) is the most affordable one-stop option, with an average return flight price of £515.

What’s the fastest stopover option from London to Knoxville?

Shortest average travel time for one-stop one-way flights from London to Knoxville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 11h 55m.

Which airport typically offers the quickest stopover for flights from London to Knoxville?

Average stopover duration for one-stop one-way flights from London to Knoxville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 09m.

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 24 July 2026.
Read through reviews of airlines operating flights from London to Knoxville, such as KLM,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,545 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Virgin Atlantic
7.5
Good
695 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
United Airlines
7.4
Good
10,034 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Lufthansa
6.8
Okay
8,157 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,132 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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?

    If you book a flight to Knoxville from London, you will be flying to McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 0 flights from London to McGhee Tyson per day from 4 different airlines.

  • How long is the flight from London to Knoxville?

    There are many flights that can get you from London to Knoxville in 16h 31m. Fly via Scandinavian Airlines, United Airlines, or American Airlines to get the fastest option. Airlines will cover a distance of 4095 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Knoxville round-trip?

    Flying on Virgin Atlantic is currently your cheapest option to Knoxville, with prices starting at £372. Additional return tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at £460 and £470, respectively. Virgin Atlantic is currently priced 51% below the average price you’ll pay for this route.

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

    The most popular flight routes from London to Knoxville are London Heathrow - Knoxville McGhee Tyson, London City - Knoxville McGhee Tyson and London Gatwick - Knoxville McGhee Tyson.

  • 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 holiday 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, September is the cheapest month in which you can book a flight from London to Knoxville (average of £569). Flying from London to Knoxville in December is currently the most expensive (average of £926). 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

Travelling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee

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Top 4 airlines flying from London to Knoxville

Discover the top 4 airlines 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 858,174 searches. Data last updated 24 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£372Average£777FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£460Average£790FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£470Average£624FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£479Average£734FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Knoxville?

Cheapflights helps you search for flights from London to Knoxville via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Knoxville?

Cheapflights helps you find that perfect flight to Knoxville from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Knoxville with no change fees?

Yes, we can. To see specific flights from London to Knoxville with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Knoxville become cheaper?

Not ready to book yet? You can track prices for flights from London to Knoxville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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