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Cheap flights from London Heathrow Airport to Knoxville from £471
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
10 Nov — 17 Nov1
Cheap flight deals from Heathrow to Knoxville
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
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 October 2026.
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 October 2026.
Fri 30/1006:40 -
2 stops19h 42m
Wed 4/1117:00 -
2 stops19h 40m
Deal found 6/10£618
Mon 9/1107:05 -
3 stops19h 51m
Mon 23/1114:40 -
2 stops26h 00m
Deal found 8/10£621
Tue 24/1109:30 -
2 stops19h 29m
Tue 1/1214:07 -
1 stop11h 33m
Deal found 10/10£681
Wed 18/1109:00 -
2 stops19h 59m
Wed 25/1111:20 -
1 stop16h 05m
Deal found 6/10£703
Mon 9/1109:30 -
2 stops15h 06m
Mon 23/1113:55 -
1 stop11h 45m
Deal found 8/10£709
Tue 17/1109:00 -
2 stops19h 59m
Wed 2/1210:57 -
1 stop13h 58m
Deal found 7/10£709
Mon 2/1109:00 -
2 stops19h 59m
Wed 18/1116:30 -
1 stop10h 55m
Deal found 6/10£716
Best flights from Heathrow to KnoxvilleDiscover carefully curated flight deals from Heathrow to Knoxville that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.
Discover carefully curated flight deals from Heathrow to Knoxville that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.
Thu 28/106:40 -
2 stops22h 06m
Mon 1/216:00 -
2 stops21h 30m
Deal found 10/10£598
Wed 18/1109:00 -
2 stops19h 59m
Wed 25/1111:20 -
1 stop16h 05m
Deal found 6/10£703
Mon 2/1111:45 -
1 stop16h 03m
Wed 18/1112:42 -
1 stop14h 08m
Deal found 6/10£724
Tue 17/1109:30 -
2 stops15h 06m
Wed 2/1210:57 -
2 stops14h 43m
Deal found 10/10£718
Tue 17/1113:10 -
1 stop12h 39m
Wed 2/1211:22 -
1 stop16h 13m
Deal found 10/10£733
Sun 22/1111:05 -
2 stops34h 54m
Tue 1/1217:35 -
1 stop13h 25m
Deal found 8/10£727
Thu 28/106:50 -
2 stops17h 54m
Mon 1/212:20 -
1 stop13h 00m
Deal found 8/10£748
Last-minute flights from Heathrow to KnoxvilleDiscover last-minute flight deals from Heathrow to Knoxville. Data last updated 11 October 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Knoxville. Data last updated 11 October 2026 and is based on user searches.
Fri 30/1006:40 -
2 stops19h 42m
Wed 4/1117:00 -
2 stops19h 40m
Deal found 6/10£618
Mon 2/1109:00 -
2 stops19h 59m
Wed 18/1116:30 -
1 stop10h 55m
Deal found 6/10£716
Mon 9/1107:05 -
3 stops19h 51m
Mon 23/1114:40 -
2 stops26h 00m
Deal found 8/10£621
Mon 9/1109:30 -
2 stops15h 06m
Mon 23/1113:55 -
1 stop11h 45m
Deal found 8/10£709
Tue 17/1109:00 -
2 stops19h 59m
Wed 2/1210:57 -
1 stop13h 58m
Deal found 7/10£709
Wed 18/1109:00 -
2 stops19h 59m
Wed 25/1111:20 -
1 stop16h 05m
Deal found 6/10£703
Tue 24/1109:30 -
2 stops19h 29m
Tue 1/1214:07 -
1 stop11h 33m
Deal found 10/10£681
One-way flights from Heathrow to KnoxvilleSearch for one-way flight options from Heathrow to Knoxville. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.
Search for one-way flight options from Heathrow to Knoxville. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.
Sat 14/1106:40 -
3 stops33h 43m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/10£471
Sun 13/1206:00 -
2 stops36h 08m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£511
Sun 13/1214:10 -
1 stop14h 49m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£548
Mon 19/1007:40 -
2 stops15h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/10£558
Mon 19/1022:15 -
3 stops44h 43m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/10£719
Sat 14/1113:10 -
1 stop12h 39m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/10£738
Mon 19/1009:15 -
1 stop13h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/10£797
Sun 25/1017:10 -
3 stops45h 44m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/10£2,108
Sun 25/1018:45 -
2 stops33h 14m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/10£4,103
Find 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 October 2026.
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 7,457,451 searches. Data last updated 11 October 2026.
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
Cheapest return flight
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sat 14/11
06:40-11:23
3 stops33h 43m
Knoxville McGhee Tyson
Wed 31/12
00:00-06:00
Nonstop0h 00m
£471
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sun 13/12
14:10-23:59
1 stop14h 49m
Knoxville McGhee Tyson
Wed 31/12
00:00-06:00
Nonstop0h 00m
£548
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 19/10
07:40-18:20
2 stops15h 40m
Knoxville McGhee Tyson
Wed 31/12
00:00-06:00
Nonstop0h 00m
£558
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Thu 28/1
06:40-23:46
2 stops22h 06m
Knoxville McGhee Tyson
Mon 1/2
16:00-18:30
2 stops21h 30m
£598
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Wed 18/11
09:00-23:59
2 stops19h 59m
Knoxville McGhee Tyson
Wed 25/11
11:20-08:25
1 stop16h 05m
£703
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Tue 17/11
09:30-19:36
2 stops15h 06m
Knoxville McGhee Tyson
Wed 2/12
10:57-06:40
2 stops14h 43m
£718
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 19/10
22:15-13:58
3 stops44h 43m
Knoxville McGhee Tyson
Wed 31/12
00:00-06:00
Nonstop0h 00m
£719
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 2/11
11:45-22:48
1 stop16h 03m
Knoxville McGhee Tyson
Wed 18/11
12:42-07:50
1 stop14h 08m
£724
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sun 22/11
11:05-16:59
2 stops34h 54m
Knoxville McGhee Tyson
Tue 1/12
17:35-12:00
1 stop13h 25m
£727
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Tue 17/11
13:10-20:49
1 stop12h 39m
Knoxville McGhee Tyson
Wed 2/12
11:22-08:35
1 stop16h 13m
£733
Showing 1-10 of 15 resultsSorted by cheapest first
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.
LHR-TYS
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 Heathrow Airport to Knoxville
Prices
More
What is the cheapest month to book a flight from London Heathrow Airport to Knoxville?
Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of £656). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,068). 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 Heathrow Airport to Knoxville?
Airfare is below average for this route at the moment.
London Heathrow Airport to Knoxville flights typically cost between £632 and £704 in January.The cheapest return price found within the last 5 days was £598 on Scandinavian Airlines (28 Jan–1 Feb).
What’s the top stopover airport for flights from London Heathrow Airport to Knoxville?
Share of one-stop return flights from London Heathrow Airport to Knoxville chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Charlotte (CLT) – chosen by Cheapflights users on 45% of one-stop itineraries from London Heathrow Airport to Knoxville on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Knoxville?
Average return fare for one-stop flights from London Heathrow Airport to Knoxville, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Charlotte (CLT) is the most affordable one-stop option, with an average return flight price of £786.
What’s the fastest stopover option from London Heathrow Airport to Knoxville?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport 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 54m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Knoxville?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Knoxville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 39m.
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 October 2026.
Read reviews from past customers who have flown with Virgin Atlantic,United Airlines, andLufthansa 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.
Overall
7.5
Crew
8.1
Boarding
7.7
Entertainment
7.5
Food
6.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentEdwin,May 2026
LHR - LAX
Overall
7.5
Crew
8.1
Boarding
7.7
Entertainment
7.5
Food
6.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentEdwin,May 2026
LHR - LAX
Overall
7.5
Crew
8.1
Boarding
7.7
Entertainment
7.5
Food
6.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentEdwin,May 2026
LHR - LAX
Overall
7.5
Crew
8.1
Boarding
7.7
Entertainment
7.5
Food
6.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentEdwin,May 2026
LHR - LAX
Overall
7.5
Crew
8.1
Boarding
7.7
Entertainment
7.5
Food
6.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentEdwin,May 2026
LHR - LAX
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.
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Book flights to Knoxville if you plan to visit one of these locationsCherokee
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Complete your trip
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Heathrow and Knoxville flights
Browse other Heathrow and Knoxville flight options. Last updated on 11 October 2026.
Other flights from Heathrow
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 11 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Top 4 airlines flying from Heathrow to Knoxville
Discover the top 4 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 7,457,451 searches. Data last updated 11 October 2026.
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 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.