United Kingdom
GBP

LHR - TYS

£389 Find Cheap Flights from London Heathrow Airport to Knoxville – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£594
Typical prices: £608-£924
Scandinavian Airlines
Tue 4/12Wed 31/1
LHR - TYS • 2 stops
Cheapest one-way flight
£389
Typical prices: £485-£943
Multiple Airlines
Fri 2/11
LHR - TYS • 3 stops
Direct flights
Not available
There are currently no direct flights between London Heathrow Airport and Knoxville. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
26 weeks
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 27% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg £638 (return)
Charlotte Douglas (CLT)
Shortest trip • 11h 24m (one-way)
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Insights
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We hope you enjoy your trip to Knoxville!
Flight Deals
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Flight Deals

Cheap Flights from Heathrow to Knoxville (LHR-TYS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Knoxville

Fri, 4 Dec - Sun, 31 Jan
Scandinavian Airlines Logo
06:40 - 23:57LHR  London Heathrow-TYS Knoxville McGhee Tyson
22h 17m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
17:57 - 18:30TYS  Knoxville McGhee Tyson-LHR London Heathrow
19h 33m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£594Scandinavian Airlines
Fri, 4 Dec - Sun, 31 Jan
Scandinavian Airlines Logo
07:05 - 23:57LHR  London Heathrow-TYS Knoxville McGhee Tyson
21h 52m3 stops Oslo Gardermoen Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
17:57 - 18:30TYS  Knoxville McGhee Tyson-LHR London Heathrow
19h 33m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£597Scandinavian Airlines
Mon, 9 Nov - Mon, 16 Nov
Lufthansa Logo
09:30 - 19:36LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 06m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
Lufthansa Logo
16:30 - 09:10TYS  Knoxville McGhee Tyson-LHR London Heathrow
11h 40m1 stop Newark
£678Lufthansa
Wed, 11 Nov - Wed, 18 Nov
Lufthansa Logo
09:30 - 23:59LHR  London Heathrow-TYS Knoxville McGhee Tyson
19h 29m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
Lufthansa Logo
13:55 - 10:50TYS  Knoxville McGhee Tyson-LHR London Heathrow
15h 55m1 stop Washington, D.C. Dulles Intl
£680Lufthansa
Sun, 8 Nov - Sun, 15 Nov
United Airlines Logo
12:05 - 23:59LHR  London Heathrow-TYS Knoxville McGhee Tyson
40h 54m2 stops Zurich Washington, D.C. Dulles Intl
United Airlines Logo
11:20 - 21:20TYS  Knoxville McGhee Tyson-LHR London Heathrow
29h 00m1 stop Newark
£682United Airlines
Sun, 8 Nov - Sun, 15 Nov
United Airlines Logo
12:05 - 11:30LHR  London Heathrow-TYS Knoxville McGhee Tyson
52h 25m2 stops Zurich Washington, D.C. Dulles Intl
United Airlines Logo
19:35 - 20:35TYS  Knoxville McGhee Tyson-LHR London Heathrow
20h 00m2 stops Washington, D.C. Dulles Intl Newark
£682United Airlines
Wed, 11 Nov - Wed, 18 Nov
British Airways Logo
09:55 - 18:44LHR  London Heathrow-TYS Knoxville McGhee Tyson
13h 49m1 stop Charlotte Douglas
British Airways Logo
15:55 - 07:50TYS  Knoxville McGhee Tyson-LHR London Heathrow
10h 55m1 stop Philadelphia
£687British Airways
Mon, 2 Nov - Mon, 16 Nov
Virgin Atlantic Logo
06:20 - 19:49LHR  London Heathrow-TYS Knoxville McGhee Tyson
18h 29m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
Virgin Atlantic Logo
14:40 - 10:30TYS  Knoxville McGhee Tyson-LHR London Heathrow
38h 50m2 stops Atlanta Hartsfield-Jackson New York LaGuardia
£690Virgin Atlantic
Mon, 2 Nov - Mon, 16 Nov
Virgin Atlantic Logo
06:20 - 19:49LHR  London Heathrow-TYS Knoxville McGhee Tyson
18h 29m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
Virgin Atlantic Logo
18:10 - 11:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
12h 30m1 stop Atlanta Hartsfield-Jackson
£694Virgin Atlantic
Tue, 27 Oct - Tue, 3 Nov
British Airways Logo
11:45 - 22:54LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 09m1 stop Charlotte Douglas
British Airways Logo
17:19 - 09:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
11h 21m1 stop Charlotte Douglas
£703British Airways
Booking Insights

Price, demand, and travel trends for London Heathrow Airport to Knoxville flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London Heathrow Airport to Knoxville with more confidence.

How much is a return flight from London Heathrow Airport to Knoxville?

Return flights from London Heathrow Airport to Knoxville start at £594. Prices are below average for this route right now, with typical return fares ranging from £608 to £924. The lowest price found in the past 5 days was £594 on Scandinavian Airlines.

What's the cheapest day of the week to fly from London Heathrow Airport to Knoxville?

Sunday is the cheapest day of the week to fly from London Heathrow Airport to Knoxville and is 26% cheaper than the average day. Friday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from London Heathrow Airport to Knoxville?

•September is the cheapest month to fly from London Heathrow Airport to Knoxville at £572 return.
•July (£878) and August (£850) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 53% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from London Heathrow Airport to Knoxville the cheapest?

Flights from London Heathrow Airport to Knoxville are cheapest 26 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for London Heathrow Airport to Knoxville flights

Low season

May

Cheapest flight

£389
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly (9% more expensive on average)
Flights from London Heathrow Airport to Knoxville

When to book flights from Heathrow to Knoxville

Are your dates flexible? Find out the best times to travel from Heathrow to Knoxville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London Heathrow Airport to Knoxville flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which cabin classes can I book on flights from London Heathrow Airport to Knoxville?

    Three cabin classes are available on flights from London Heathrow Airport to Knoxville:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from London Heathrow Airport to Knoxville?

    A direct flight from London Heathrow Airport to Knoxville takes 0h 00m, covering 4,076 miles.

  • Do I need a passport to fly from London Heathrow Airport to Knoxville?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London Heathrow Airport to Knoxville flight?

    Return flights from London Heathrow Airport to Knoxville range from £608 to £924, with an average of £783 over the past 12 months. Anything below £608 counts as a good deal.

  • How expensive are last-minute London Heathrow Airport to Knoxville flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 28% above the route average of £783. Book 26 weeks before departure for the lowest fares.

  • How are flight prices from London Heathrow Airport to Knoxville looking right now?

    One-way fares from London Heathrow Airport to Knoxville are currently lower than usual. Average one-way flight prices are about £594, which is 5% below the typical average for this route.

  • Which car hire options are available at Knoxville McGhee Tyson Airport (TYS)?

    Knoxville McGhee Tyson Airport (TYS) hosts 5 major car hire companies, with daily rates starting from around £25 for economy cars. Top options include:
    • Budget
    • Alamo
    • Thrifty
    • Enterprise Rent-A-Car
    • Payless

  • Which airports can I use when flying from London Heathrow Airport to Knoxville?

    Flights from London Heathrow Airport to Knoxville usually depart from London Heathrow (LHR) and arrive at Knoxville McGhee Tyson (TYS).

  • Which airports do connecting flights from London Heathrow Airport to Knoxville pass through?

    One-stop flights from London Heathrow Airport to Knoxville most commonly connect through:

    • Charlotte Douglas (CLT) – 46% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 28% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 16% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 6% of one-stop connections

    Charlotte Douglas (CLT) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Knoxville?

    On the London Heathrow Airport to Knoxville route, being flexible with your departure day can save you up to 33%. Sunday is the cheapest day at £582 return on average, while Friday is the most expensive at £856 – a £274 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from London Heathrow Airport to Knoxville?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time of 11h 24m, compared to 11h 39m via Washington, D.C. Dulles Intl (IAD) and 11h 50m via Philadelphia (PHL).

  • What is the time difference between London Heathrow Airport and Knoxville?

    Knoxville is 5 hours behind London Heathrow Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking London Heathrow Airport to Knoxville flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure instead of Friday. On this route, Sunday flights average £582 – about £274 less than Friday (32% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to Knoxville trip for September. Fares historically average £572 return in that month – typically £306 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Heathrow to Knoxville

Complete your trip to Knoxville with a hotel stay or car hire

Car hire in Knoxville
Hotels in Knoxville
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