Cheap flights from London Heathrow Airport to Knoxville from £218
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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London Heathrow to Knoxville McGhee Tyson are usually found in November or March, booked 80 days in advance, depart on a Monday or Wednesday and return on a Tuesday
Cheap flight deals from Heathrow to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 11 July 2025.
Round-trip from | £479 |
---|---|
One-way from | £218 |
Popular in | August |
Cheapest in | November |
Average price | £822 |
Find flight deals from Heathrow to Knoxville
Cheapest flights from Heathrow to KnoxvilleExplore the most affordable flight options available from Heathrow to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Heathrow to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow 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 11 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Wed 17/9
08:40-20:56
2 stops17h 16m
Knoxville McGhee Tyson
Fri 26/9
19:26-06:55
1 stop30h 29m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Wed 17/9
06:55-22:45
2 stops20h 50m
Knoxville McGhee Tyson
Tue 30/9
19:26-10:40
1 stop10h 14m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Fri 19/9
17:40-23:57
2 stops35h 17m
Knoxville McGhee Tyson
Sat 27/9
19:26-06:30
2 stops30h 04m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Wed 17/9
06:15-17:03
2 stops15h 48m
Knoxville McGhee Tyson
Thu 25/9
11:49-06:20
2 stops13h 31m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Mon 22/9
13:10-21:00
1 stop12h 50m
Knoxville McGhee Tyson
Sat 27/9
16:49-07:20
1 stop33h 31m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Mon 4/8
09:35-22:02
2 stops17h 27m
Knoxville McGhee Tyson
Tue 12/8
18:14-11:10
1 stop11h 56m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Sun 24/8
15:05-11:55
2 stops25h 50m
Knoxville McGhee Tyson
Sun 31/8
07:30-11:55
2 stops23h 25m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Fri 26/9
06:40-23:36
3 stops21h 56m
Knoxville McGhee Tyson
Tue 7/10
16:00-18:30
2 stops21h 30m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Tue 30/9
20:50-14:30
2 stops46h 40m
LondonKnoxville
LHR - TYS
LHRTYS
London Heathrow
Tue 16/9
07:40-21:00
2 stops18h 20m
Best time to book a flight from Heathrow to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Knoxville
How far ahead should I book a flight from London Heathrow Airport to Knoxville?
Use this chart to determine the optimal time to book a return flight from Heathrow to Knoxville. Price data was last updated on 27 June 2025.
The price you pay for your flight from London Heathrow Airport to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from London Heathrow Airport to Knoxville?
Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of £720). Flying from London Heathrow Airport to Knoxville in July is currently the most expensive (average of £1,128). 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 LHR to TYS?
Find hourly flight availability from Heathrow 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 11 July 2025.
It’s typically best to fly out from London Heathrow Airport to Knoxville in the evening. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from London Heathrow Airport to Knoxville?
Use this chart to determine the cheapest time to fly return from Heathrow to Knoxville. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London Heathrow Airport to Knoxville flight should consider departing on Sunday 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 Heathrow Airport 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 11 July 2025.
Read reviews from past customers who have flown with Delta, United Airlines, andVirgin Atlantic from London Heathrow Airport to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near London Heathrow Airport?
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Alternative routes for Heathrow to Knoxville
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Heathrow to Knoxville
Discover the top 7 airlines that operate flights from Heathrow 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 11 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Heathrow to Knoxville?
Cheapflights helps you search for flights from Heathrow 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 Heathrow to Knoxville?
Cheapflights helps you find that perfect flight to Knoxville from Heathrow 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 Heathrow to Knoxville with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Knoxville with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Knoxville become cheaper?
Yes, Cheapflights offers price alerts on Heathrow to Knoxville flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.