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Cheap flights from London to Knoxville from £335

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
12 Aug — 19 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 13 July 2026.

Tue 29/911:35
LHR
-
TYS
2 stops14h 31m
Finnair
Mon 5/1006:00
TYS
-
LHR
2 stops22h 40m
Finnair
Deal found 12/7£636
Wed 19/814:00
LGW
-
TYS
2 stops28h 49m
Multiple Airlines
Fri 21/814:51
TYS
-
LGW
1 stop14h 09m
Multiple Airlines
Deal found 10/7£657
Mon 10/814:00
LGW
-
TYS
1 stop13h 44m
Multiple Airlines
Thu 13/813:33
TYS
-
LGW
1 stop15h 27m
Multiple Airlines
Deal found 8/7£660
Tue 29/916:40
LHR
-
TYS
1 stop12h 19m
Lufthansa
Mon 5/1009:45
TYS
-
LHR
1 stop19h 55m
Lufthansa
Deal found 12/7£671
Thu 3/912:00
LHR
-
TYS
1 stop12h 00m
Finnair
Sun 6/918:05
TYS
-
LHR
2 stops34h 35m
Finnair
Deal found 9/7£679
Sun 22/1107:40
LHR
-
TYS
2 stops16h 56m
Lufthansa
Tue 1/1214:20
TYS
-
LHR
1 stop11h 20m
Lufthansa
Deal found 9/7£686
Mon 23/1110:00
LGW
-
TYS
2 stops18h 46m
Virgin Atlantic
Mon 7/1211:30
TYS
-
LGW
2 stops23h 15m
Virgin Atlantic
Deal found 13/7£689
Fri 25/908:40
LHR
-
TYS
2 stops30h 05m
United Airlines
Sun 4/1018:03
TYS
-
LHR
1 stop31h 42m
United Airlines
Deal found 9/7£711
Sun 22/1111:10
LHR
-
TYS
2 stops17h 46m
United Airlines
Tue 1/1214:00
TYS
-
LHR
2 stops13h 25m
United Airlines
Deal found 10/7£716
Fri 7/814:00
LGW
-
TYS
1 stop13h 44m
Multiple Airlines
Fri 14/818:29
TYS
-
LGW
1 stop34h 31m
Multiple Airlines
Deal found 10/7£745
Thu 3/909:15
LCY
-
TYS
2 stops19h 44m
Lufthansa
Sun 6/918:02
TYS
-
LCY
2 stops18h 53m
Lufthansa
Deal found 9/7£745
Mon 10/814:00
LGW
-
TYS
1 stop13h 44m
Multiple Airlines
Thu 10/907:10
TYS
-
LGW
2 stops20h 15m
Multiple Airlines
Deal found 11/7£755

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 13 July 2026.

Round-trip from

£581

One-way from

£335

Popular in

March

Cheapest in

September

Average price

£897
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/11-7/12
  • 4 total stops
  • 46h 51m total
  • London to Knoxville
Search Deals
23/8
  • 23/8
  • 1 total stop
  • 34h 05m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 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 13 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

Mon 10/8

14:00-22:44

1 stop13h 44m

Knoxville McGhee Tyson

Thu 13/8

13:33-10:00

1 stop15h 27m

£660

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 23/11

10:00-23:46

2 stops18h 46m

Knoxville McGhee Tyson

Mon 7/12

11:30-15:45

2 stops23h 15m

£689

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 9/11

06:45-21:04

2 stops19h 19m

Knoxville McGhee Tyson

Wed 11/11

19:13-06:55

1 stop30h 42m

£710

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 25/9

08:40-09:45

2 stops30h 05m

Knoxville McGhee Tyson

Sun 4/10

19:25-21:35

2 stops21h 10m

£711

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 22/11

11:10-23:56

2 stops17h 46m

Knoxville McGhee Tyson

Tue 1/12

14:00-08:25

2 stops13h 25m

£716

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 3/9

09:30-23:59

2 stops19h 29m

Knoxville McGhee Tyson

Sun 6/9

05:45-06:30

2 stops43h 45m

£738

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 7/8

14:00-22:44

1 stop13h 44m

Knoxville McGhee Tyson

Fri 14/8

18:29-10:00

1 stop34h 31m

£745

LondonKnoxville

LCY - TYS

LCYTYS

London City

Thu 3/9

09:15-23:59

2 stops19h 44m

Knoxville McGhee Tyson

Sun 6/9

18:02-17:55

2 stops18h 53m

£745

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 11/11

15:40-23:59

1 stop13h 19m

Knoxville McGhee Tyson

Fri 13/11

20:04-07:20

1 stop30h 16m

£750

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Mon 10/8

14:00-22:44

1 stop13h 44m

Knoxville McGhee Tyson

Thu 10/9

07:10-08:25

2 stops20h 15m

£755

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 37 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, December is the cheapest month in which you can book a flight from London to Knoxville (average of £283). Flying from London to Knoxville in June is currently the most expensive (average of £636). 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?

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 36% 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 £512.

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.

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

The best time to book flights from London to Knoxville is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 13 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
1,537 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,537 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
693 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,985 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,133 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,111 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 18h 46m. Fly via Virgin Atlantic, British Airways, or United 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 £370. Additional return tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at £457 and £467, respectively. Virgin Atlantic is currently priced 50% 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, December is the cheapest month in which you can book a flight from London to Knoxville (average of £283). Flying from London to Knoxville in June is currently the most expensive (average of £636). 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 13 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£370Average£772FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£457Average£785FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£467Average£620FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£477Average£715FlexibilityNo 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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