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Cheap flights from London to Knoxville from £361

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TYS
17 Jun — 24 Jun1
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 18 May 2026.

Thu 11/614:00
LGW
-
TYS
1 stop30h 07m
Multiple Airlines
Thu 18/613:01
TYS
-
LGW
1 stop15h 59m
Multiple Airlines
Deal found 14/5£633
Mon 25/514:00
LGW
-
TYS
1 stop14h 37m
Multiple Airlines
Fri 12/619:22
TYS
-
LGW
1 stop33h 38m
Multiple Airlines
Deal found 14/5£639
Tue 2/614:00
LGW
-
TYS
1 stop33h 21m
Multiple Airlines
Wed 24/614:19
TYS
-
LGW
1 stop14h 41m
Multiple Airlines
Deal found 13/5£654
Fri 22/514:00
LGW
-
TYS
1 stop14h 37m
Multiple Airlines
Mon 8/619:27
TYS
-
LGW
1 stop33h 33m
Multiple Airlines
Deal found 14/5£655
Wed 7/1015:00
LHR
-
TYS
1 stop13h 30m
British Airways
Tue 20/1016:02
TYS
-
LHR
1 stop12h 23m
British Airways
Deal found 16/5£671
Mon 25/514:00
LGW
-
TYS
1 stop14h 37m
Multiple Airlines
Sat 13/606:45
TYS
-
LGW
2 stops22h 05m
Multiple Airlines
Deal found 14/5£682
Wed 7/1018:00
LHR
-
TYS
2 stops21h 36m
Lufthansa
Tue 20/1012:05
TYS
-
LHR
1 stop18h 30m
Lufthansa
Deal found 16/5£687
Fri 22/514:00
LGW
-
TYS
1 stop14h 37m
Multiple Airlines
Fri 12/619:22
TYS
-
LGW
1 stop33h 38m
Multiple Airlines
Deal found 14/5£693
Wed 7/1013:00
LHR
-
TYS
1 stop13h 54m
British Airways
Fri 16/1013:23
TYS
-
LHR
1 stop12h 27m
British Airways
Deal found 16/5£701
Wed 7/1018:00
LHR
-
TYS
2 stops21h 36m
Lufthansa
Fri 16/1006:00
TYS
-
LHR
1 stop19h 45m
Lufthansa
Deal found 16/5£715
Fri 30/1006:35
LHR
-
TYS
2 stops16h 42m
United Airlines
Tue 3/1119:35
TYS
-
LHR
1 stop10h 15m
United Airlines
Deal found 17/5£716
Tue 2/614:45
LHR
-
TYS
1 stop12h 25m
British Airways
Wed 24/619:59
TYS
-
LHR
1 stop11h 11m
British Airways
Deal found 13/5£734

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 18 May 2026.

Round-trip from

£600

One-way from

£361

Popular in

March

Cheapest in

February

Average price

£742
12/6-19/6
  • 12/6-19/6
  • 2 total stops
  • 45h 31m total
  • London to Knoxville
Search Deals
28/8
  • 28/8
  • 3 total stops
  • 49h 04m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 18 May 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

Thu 11/6

14:00-15:07

1 stop30h 07m

Knoxville McGhee Tyson

Thu 18/6

13:01-10:00

1 stop15h 59m

£633

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Tue 2/6

14:00-18:21

1 stop33h 21m

Knoxville McGhee Tyson

Wed 24/6

14:19-10:00

1 stop14h 41m

£654
Fastest return journey

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 30/10

06:35-19:17

2 stops16h 42m

Knoxville McGhee Tyson

Tue 3/11

19:35-10:50

1 stop10h 15m

£716

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 7/10

07:25-21:00

2 stops18h 35m

Knoxville McGhee Tyson

Fri 16/10

10:42-08:20

2 stops16h 38m

£717

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 1/7

08:40-21:41

2 stops18h 01m

Knoxville McGhee Tyson

Wed 15/7

19:43-13:15

1 stop12h 32m

£735

LondonKnoxville

LCY - TYS

LCYTYS

London City

Mon 9/11

07:15-21:04

2 stops18h 49m

Knoxville McGhee Tyson

Thu 12/11

14:59-08:50

2 stops36h 51m

£742

LondonKnoxville

LCY - TYS

LCYTYS

London City

Wed 1/7

10:00-21:41

2 stops16h 41m

Knoxville McGhee Tyson

Wed 15/7

11:41-07:15

2 stops14h 34m

£764

LondonKnoxville

LCY - TYS

LCYTYS

London City

Fri 30/10

07:50-21:04

2 stops17h 14m

Knoxville McGhee Tyson

Sun 8/11

14:59-14:35

2 stops18h 36m

£845

LondonKnoxville

LCY - TYS

LCYTYS

London City

Thu 11/6

06:45-18:13

2 stops16h 28m

Knoxville McGhee Tyson

Thu 18/6

13:03-09:05

2 stops15h 02m

£976

LondonKnoxville

LCY - TYS

LCYTYS

London City

Mon 3/8

06:45-21:58

2 stops20h 13m

Knoxville McGhee Tyson

Tue 11/8

07:23-08:35

2 stops20h 12m

£1,014

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 34 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?

The best time to book flights from London to Knoxville is 31 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, August is the cheapest month in which you can book a flight from London to Knoxville (average of £365). 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 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 £514.

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 53m.

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 19m.

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 18 May 2026.
Read through reviews of airlines operating flights from London to Knoxville, such as Finnair,United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,396 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.7

Boarding

7.7

Crew

8.2

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Finnair
7.7
Good
1,396 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.7

Boarding

7.7

Crew

8.2

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
United Airlines
7.4
Good
9,736 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.7

Boarding

7.7

Crew

8.2

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Virgin Atlantic
7.4
Good
688 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.7

Boarding

7.7

Crew

8.2

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Lufthansa
6.8
Okay
8,009 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.7

Boarding

7.7

Crew

8.2

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
British Airways
6.7
Okay
7,988 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.7

Boarding

7.7

Crew

8.2

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

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 42m. Fly via 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 £459. Additional return tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at £470 and £476, respectively. Lufthansa is currently priced 34% 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, August is the cheapest month in which you can book a flight from London to Knoxville (average of £365). 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
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 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£459Average£773FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£470Average£624FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£479Average£652FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£510Average£678FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£514Average£651FlexibilityNo 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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