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Cheap flights from London to Knoxville from £414

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
16 Apr — 23 Apr1
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 17 March 2026.

Wed 15/414:00
LGW
-
TYS
2 stops29h 45m
Multiple Airlines
Mon 20/413:15
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 14/3£564
Sun 12/414:00
LGW
-
TYS
1 stop32h 30m
Multiple Airlines
Mon 20/413:15
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 14/3£585
Mon 2/1111:40
LHR
-
TYS
2 stops17h 11m
American Airlines
Mon 9/1116:15
TYS
-
LHR
1 stop14h 25m
American Airlines
Deal found 15/3£589
Fri 17/414:00
LGW
-
TYS
2 stops27h 06m
Multiple Airlines
Mon 20/413:15
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 14/3£602
Wed 15/410:50
LHR
-
TYS
2 stops17h 18m
Lufthansa
Tue 21/413:52
TYS
-
LHR
1 stop11h 53m
Lufthansa
Deal found 13/3£609
Sat 18/414:00
LGW
-
TYS
2 stops30h 41m
Multiple Airlines
Mon 20/413:15
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 12/3£610
Tue 1/913:45
LHR
-
TYS
1 stop12h 59m
British Airways
Tue 8/914:54
TYS
-
LHR
1 stop11h 01m
British Airways
Deal found 13/3£613
Mon 27/410:50
LHR
-
TYS
2 stops16h 44m
Lufthansa
Mon 4/513:52
TYS
-
LHR
1 stop11h 53m
Lufthansa
Deal found 13/3£620
Wed 15/414:00
LGW
-
TYS
2 stops29h 45m
Multiple Airlines
Fri 24/413:15
TYS
-
LGW
1 stop15h 45m
Multiple Airlines
Deal found 12/3£626
Wed 15/409:00
LHR
-
TYS
2 stops19h 08m
Lufthansa
Wed 22/413:52
TYS
-
LHR
1 stop11h 53m
Lufthansa
Deal found 13/3£626
Wed 15/408:40
LHR
-
TYS
2 stops19h 28m
United Airlines
Wed 22/407:00
TYS
-
LHR
1 stop18h 45m
United Airlines
Deal found 12/3£629
Wed 4/1107:35
LHR
-
TYS
2 stops16h 58m
British Airways
Wed 11/1120:04
TYS
-
LHR
1 stop10h 36m
British Airways
Deal found 15/3£635

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 17 March 2026.

Round-trip from

£564

One-way from

£414

Popular in

December

Cheapest in

February

Average price

£571
15/4-20/4
  • 15/4-20/4
  • 3 total stops
  • 45h 30m total
  • London to Knoxville
Search Deals
British Airways
  • British Airways
  • 12/5
  • 2 total stops
  • 31h 27m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 17 March 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

Wed 15/4

14:00-14:45

2 stops29h 45m

Knoxville McGhee Tyson

Mon 20/4

13:15-10:00

1 stop15h 45m

£579

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Sun 12/4

14:00-17:30

1 stop32h 30m

Knoxville McGhee Tyson

Mon 20/4

13:15-10:00

1 stop15h 45m

£585

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 17/4

14:00-12:06

2 stops27h 06m

Knoxville McGhee Tyson

Mon 20/4

13:15-10:00

1 stop15h 45m

£602

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Sat 18/4

14:00-15:41

2 stops30h 41m

Knoxville McGhee Tyson

Mon 20/4

13:15-10:00

1 stop15h 45m

£610

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 15/4

08:40-23:08

2 stops19h 28m

Knoxville McGhee Tyson

Wed 22/4

07:00-06:45

1 stop18h 45m

£629

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Thu 9/4

14:00-17:30

1 stop32h 30m

Knoxville McGhee Tyson

Thu 23/4

21:32-06:20

2 stops27h 48m

£629

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Wed 15/4

14:00-14:45

2 stops29h 45m

Knoxville McGhee Tyson

Fri 24/4

13:15-10:00

1 stop15h 45m

£631

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 15/4

12:30-21:57

1 stop14h 27m

Knoxville McGhee Tyson

Mon 20/4

18:38-10:20

1 stop10h 42m

£641

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 13/4

09:45-20:18

1 stop15h 33m

Knoxville McGhee Tyson

Mon 20/4

18:38-10:20

1 stop10h 42m

£644

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 13/4

12:15-20:18

1 stop13h 03m

Knoxville McGhee Tyson

Wed 22/4

07:00-06:50

1 stop18h 50m

£655

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 38 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

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

Use this chart to determine the optimal time to book a return flight from London to Knoxville. Price data was last updated on 13 March 2026.

The best time to book flights from London to Knoxville is 39 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.

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

Currently, November is the cheapest month in which you can book a flight from London to Knoxville (average of £461). Flying from London to Knoxville in January is currently the most expensive (average of £600). 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 32% 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 £567.

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 46m.

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 17m.

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 17 March 2026.
Read through reviews of airlines operating flights from London to Knoxville, such as Finnair,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Overall

7.6

Boarding

7.7

Comfort

7.5

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,373 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Overall

7.6

Boarding

7.7

Comfort

7.5

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
682 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Overall

7.6

Boarding

7.7

Comfort

7.5

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,432 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Overall

7.6

Boarding

7.7

Comfort

7.5

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,858 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Overall

7.6

Boarding

7.7

Comfort

7.5

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,797 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Overall

7.6

Boarding

7.7

Comfort

7.5

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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 5 different airlines.

  • How long is the flight from London to Knoxville?

    There are many flights that can get you from London to Knoxville in 14h 27m. Fly via United Airlines, British Airways, or Lufthansa to get the fastest option. Airlines will cover a distance of 4076 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 Lufthansa is currently your cheapest option to Knoxville, with prices starting at £461. Additional return tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at £471 and £481, respectively. Lufthansa is currently priced 30% 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, November is the cheapest month in which you can book a flight from London to Knoxville (average of £461). Flying from London to Knoxville in January is currently the most expensive (average of £600). 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 5 airlines flying from London to Knoxville

Discover the top 5 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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£461Average£657FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£471Average£624FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£481Average£655FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£515Average£680FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£521Average£618FlexibilityNo cancel feeOn-time76%
Search Finnair 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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