Cheap flights from London to Knoxville from £437
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London to Knoxville McGhee Tyson are usually found in February or January, booked 80 days in advance, depart on a Monday or Tuesday and return on a Tuesday
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 27 June 2025.
Round-trip from | £437 |
---|---|
Popular in | August |
Cheapest in | February |
Average price | £692 |
Find flight deals from London to Knoxville
Cheapest flights from London to KnoxvilleExplore 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 27 June 2025.
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 27 June 2025.
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 27 June 2025.
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
LondonKnoxville
LGW - TYS
LGWTYS
London Gatwick
Sun 21/9
14:00-17:34
1 stop32h 34m
Knoxville McGhee Tyson
Mon 29/9
13:22-10:00
1 stop15h 38m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Tue 11/11
08:55-20:20
2 stops16h 25m
Knoxville McGhee Tyson
Tue 16/12
07:00-10:15
1 stop22h 15m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Wed 17/9
07:25-23:57
2 stops21h 32m
Knoxville McGhee Tyson
Tue 30/9
19:26-10:40
1 stop10h 14m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Tue 11/11
12:35-21:31
1 stop13h 56m
Knoxville McGhee Tyson
Tue 16/12
11:45-06:50
1 stop14h 05m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Sat 20/9
14:10-22:35
1 stop13h 25m
Knoxville McGhee Tyson
Sat 27/9
19:26-10:40
1 stop10h 14m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Tue 23/9
08:40-21:32
2 stops17h 52m
Knoxville McGhee Tyson
Mon 29/9
11:30-08:05
2 stops15h 35m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Sun 21/9
08:30-14:40
2 stops35h 10m
Knoxville McGhee Tyson
Tue 30/9
19:26-06:30
2 stops30h 04m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Tue 23/9
11:00-18:50
1 stop12h 50m
Knoxville McGhee Tyson
Thu 25/9
20:31-07:40
1 stop30h 09m
LondonKnoxville
LCY - TYS
LCYTYS
London City
Thu 4/12
10:00-23:46
2 stops18h 46m
Knoxville McGhee Tyson
Mon 8/12
07:30-08:50
2 stops20h 20m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Tue 2/9
19:30-23:48
2 stops33h 18m
Knoxville McGhee Tyson
Fri 5/9
16:19-09:20
2 stops36h 01m
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.
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 20 June 2025.
The best time to book flights from London to Knoxville is 80 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 £720). Flying from London to Knoxville in July is currently the most expensive (average of £1,115). 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.
What is the cheapest time of day to fly from LON to TYS?
Find hourly flight availability from London to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 June 2025.
It’s optimal to fly from London to Knoxville in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from London to Knoxville?
Use this chart to determine the cheapest time to fly return from London to Knoxville. Price data was last updated on 13 October 2024.
Travellers seeking maximum savings on their London to Knoxville flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from London to Knoxville?
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 27 June 2025.
Read through reviews of airlines operating flights from London to Knoxville, such as Delta, KLM, andFinnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Overall
Comfort
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Overall
Comfort
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Overall
Comfort
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Overall
Comfort
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Overall
Comfort
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Overall
Comfort
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
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.
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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.
Top 7 airlines flying from London to Knoxville
Discover the top 7 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 27 June 2025.
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.