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Cheap flights from London to Knoxville from £232

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 January 2026.

Round-trip from

£482

One-way from

£232

Popular in

December

Cheapest in

February

Average price

£566
Iberia
  • Iberia
  • 18/3-22/3
  • 4 total stops
  • 36h 50m total
  • London to Knoxville
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2/3
  • 2/3
  • 3 total stops
  • 50h 20m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 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 January 2026
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Find 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 16 January 2026.

Wed 18/313:30
LHR
-
TYS
2 stops14h 20m
Iberia
Sun 22/306:10
TYS
-
LHR
2 stops22h 30m
Iberia
Deal found 15/1£482
Sun 8/311:20
LHR
-
TYS
2 stops14h 18m
Iberia
Tue 17/318:38
TYS
-
LHR
2 stops34h 02m
Iberia
Deal found 15/1£484
Thu 22/114:00
LGW
-
TYS
1 stop25h 10m
Multiple Airlines
Wed 4/216:47
TYS
-
LGW
2 stops36h 13m
Multiple Airlines
Deal found 15/1£497
Tue 10/207:40
LHR
-
TYS
2 stops16h 47m
Lufthansa
Tue 17/213:50
TYS
-
LHR
1 stop11h 05m
Lufthansa
Deal found 13/1£502
Thu 12/209:00
LHR
-
TYS
2 stops16h 37m
United Airlines
Thu 19/210:55
TYS
-
LHR
2 stops14h 45m
United Airlines
Deal found 15/1£506
Thu 19/206:35
LHR
-
TYS
2 stops17h 54m
United Airlines
Mon 23/206:45
TYS
-
LHR
1 stop18h 10m
United Airlines
Deal found 14/1£510
Sun 1/306:30
LHR
-
TYS
2 stops33h 19m
United Airlines
Sun 8/314:21
TYS
-
LHR
1 stop12h 19m
United Airlines
Deal found 15/1£512
Sun 8/307:30
LHR
-
TYS
2 stops15h 59m
United Airlines
Tue 17/313:53
TYS
-
LHR
1 stop17h 22m
United Airlines
Deal found 13/1£512
Mon 2/311:45
LHR
-
TYS
1 stop15h 10m
British Airways
Tue 31/316:02
TYS
-
LHR
1 stop13h 28m
British Airways
Deal found 15/1£515
Mon 9/309:55
LHR
-
TYS
1 stop14h 10m
Iberia
Tue 17/317:47
TYS
-
LHR
1 stop11h 28m
Iberia
Deal found 13/1£518
Sun 19/407:25
LHR
-
TYS
2 stops21h 16m
United Airlines
Fri 24/410:49
TYS
-
LHR
2 stops15h 06m
United Airlines
Deal found 14/1£523
Sun 19/420:40
LGW
-
TYS
2 stops29h 55m
Iberia
Fri 24/419:33
TYS
-
LGW
2 stops34h 17m
Iberia
Deal found 14/1£587

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 16 January 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

Wed 18/3

13:30-23:50

2 stops14h 20m

Knoxville McGhee Tyson

Sun 22/3

06:10-08:40

2 stops22h 30m

£482

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Thu 22/1

14:00-10:10

1 stop25h 10m

Knoxville McGhee Tyson

Wed 4/2

16:47-10:00

2 stops36h 13m

£497

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 12/2

09:00-20:37

2 stops16h 37m

Knoxville McGhee Tyson

Thu 19/2

10:55-06:40

2 stops14h 45m

£506

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 2/3

09:00-20:37

2 stops16h 37m

Knoxville McGhee Tyson

Tue 31/3

09:40-06:55

1 stop16h 15m

£506

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 19/2

06:35-19:29

2 stops17h 54m

Knoxville McGhee Tyson

Mon 23/2

06:45-05:55

1 stop18h 10m

£510

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 28/2

06:35-10:49

2 stops33h 14m

Knoxville McGhee Tyson

Sat 7/3

19:25-06:40

1 stop30h 15m

£511

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 1/3

06:30-10:49

2 stops33h 19m

Knoxville McGhee Tyson

Sun 8/3

14:21-06:40

1 stop12h 19m

£512

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 2/3

11:45-21:55

1 stop15h 10m

Knoxville McGhee Tyson

Tue 31/3

16:02-10:30

1 stop13h 28m

£515

LondonKnoxville

LCY - TYS

LCYTYS

London City

Thu 19/2

07:15-21:07

2 stops18h 52m

Knoxville McGhee Tyson

Mon 23/2

06:10-10:20

2 stops47h 10m

£600

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Sun 8/3

13:00-12:00

1 stop27h 00m

Knoxville McGhee Tyson

Tue 17/3

12:02-16:25

2 stops24h 23m

£659

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 43 results
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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 9 January 2026.

The best time to book flights from London to Knoxville is 10 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, April is the cheapest month in which you can book a flight from London to Knoxville (average of £273). Flying from London to Knoxville in July is currently the most expensive (average of £562). 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 35% 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 £562.

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 22m.

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 16 January 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
1,349 reviews
Check prices

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,349 reviews
Finnair
7.6
Good
1,349 reviews
Check prices

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.5
Good
678 reviews
Finnair
7.6
Good
1,349 reviews
Check prices

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
9,163 reviews
Finnair
7.6
Good
1,349 reviews
Check prices

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,718 reviews
Finnair
7.6
Good
1,349 reviews
Check prices

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,680 reviews
Finnair
7.6
Good
1,349 reviews
Check prices

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 6 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 20m. Fly via Iberia, United Airlines, or British Airways 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 £456. Additional return tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at £467 and £479, respectively. Lufthansa is currently priced 29% 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, April is the cheapest month in which you can book a flight from London to Knoxville (average of £273). Flying from London to Knoxville in July is currently the most expensive (average of £562). 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
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Alternative routes for London to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from London to Knoxville

Discover the top 6 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£456Average£651FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£467Average£620FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£479Average£620FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£498Average£612FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£507Average£637FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£588Average£727FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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