LHR - TYS

£460 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
£575
Typical prices: £671-£932
Scandinavian Airlines
Mon 5/3Thu 8/3
LHR - TYS • 2 stops
Cheapest one-way flight
£436
Typical prices: £482-£933
United Airlines
Fri 14/12
LHR - TYS • 1 stop
Direct flights
There are currently no direct flights between London Heathrow Airport and Knoxville. You'll need to take a connecting flight to reach the destination.
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When to book
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 46% compared to booking last minute.
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Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £631 (return)
Shortest trip • 11h 16m (one-way)
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We hope you enjoy your trip to Knoxville!
Flight Deals
Booking Insights
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

Wed, 14 Apr - Wed, 21 Apr
Scandinavian Airlines Logo
06:40 - 23:46LHR  London Heathrow-TYS Knoxville McGhee Tyson
22h 06m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
16:00 - 21:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
24h 40m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£585Scandinavian Airlines
Wed, 14 Apr - Wed, 21 Apr
Scandinavian Airlines Logo
10:20 - 23:46LHR  London Heathrow-TYS Knoxville McGhee Tyson
18h 26m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
17:57 - 17:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
18h 43m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£585Scandinavian Airlines
Wed, 17 Mar - Thu, 29 Apr
Lufthansa Logo
06:30 - 20:54LHR  London Heathrow-TYS Knoxville McGhee Tyson
18h 24m2 stops Frankfurt am Main Newark
Lufthansa Logo
14:00 - 11:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
16h 55m1 stop Chicago O'Hare Intl
£717Lufthansa
Mon, 7 Dec - Mon, 21 Dec
Lufthansa Logo
10:25 - 20:47LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 22m1 stop Chicago O'Hare Intl
Lufthansa Logo
10:45 - 05:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
14h 10m1 stop Chicago O'Hare Intl
£718Lufthansa
Mon, 14 Dec - Mon, 21 Dec
United Airlines Logo
09:00 - 14:53LHR  London Heathrow-TYS Knoxville McGhee Tyson
34h 53m2 stops Zurich Washington, D.C. Dulles Intl
United Airlines Logo
06:00 - 12:00TYS  Knoxville McGhee Tyson-LHR London Heathrow
25h 00m1 stop Chicago O'Hare Intl
£734United Airlines
Tue, 29 Dec - Wed, 13 Jan
United Airlines Logo
11:05 - 00:15LHR  London Heathrow-TYS Knoxville McGhee Tyson
42h 10m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl
United Airlines Logo
09:45 - 16:20TYS  Knoxville McGhee Tyson-LHR London Heathrow
25h 35m2 stops Washington, D.C. Dulles Intl Zurich
£736United Airlines
Wed, 17 Mar - Thu, 29 Apr
British Airways Logo
09:55 - 18:46LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 51m1 stop Charlotte Douglas
British Airways Logo
11:31 - 08:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
15h 34m1 stop Chicago O'Hare Intl
£742British Airways
Mon, 12 Apr - Mon, 26 Apr
British Airways Logo
09:15 - 18:13LHR  London Heathrow-TYS Knoxville McGhee Tyson
13h 58m1 stop Charlotte Douglas
British Airways Logo
11:31 - 08:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
15h 34m1 stop Chicago O'Hare Intl
£745British Airways
Sat, 6 Feb - Sat, 20 Feb
Virgin Atlantic Logo
12:40 - 20:03LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 23m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
17:57 - 20:10TYS  Knoxville McGhee Tyson-LHR London Heathrow
45h 13m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
£772Virgin Atlantic
Wed, 11 Nov - Wed, 18 Nov
Virgin Atlantic Logo
08:55 - 17:22LHR  London Heathrow-TYS Knoxville McGhee Tyson
13h 27m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
16:00 - 07:50TYS  Knoxville McGhee Tyson-LHR London Heathrow
10h 50m1 stop Atlanta Hartsfield-Jackson
£774Virgin Atlantic
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 with more confidence.

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

Return flights from London Heathrow Airport to Knoxville typically range from £671 to £932. The lowest price found in the past 5 days was £575 on Scandinavian Airlines.

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

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from London Heathrow Airport to Knoxville. It's 19% cheaper than the average day, while Friday is the most expensive, with prices 11% higher.

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

•October is the cheapest month to fly from London Heathrow Airport to Knoxville at £648 return.
•March (£908) and July (£869) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 40% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for London Heathrow Airport to Knoxville flights

Low season

February

Cheapest flight

£436
Beat the crowds with an average 26% drop in traveller numbers.
The most popular month to fly with an average 27% increase in traveller numbers.
One-way flight 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 answers about this route, including flight times, airports, airlines, and booking tips.

  • 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 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 £671 to £932, with an average of £805 over the past 12 months. Anything below £671 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 35% above the £805 route average. 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 £496, which is 22% 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 £60 for economy cars. Top options include:

    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Thrifty
    • Avis

  • 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) – 52% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 28% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 11% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 27% on flights from London Heathrow Airport to Knoxville. Sunday is the cheapest departure day at £658 return on average, while Friday is the most expensive at £895, a difference of £237.

    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 Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time of 11h 16m, compared to 11h 25m via Charlotte Douglas (CLT) and 11h 36m via Washington, D.C. Dulles Intl (IAD).

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

    Knoxville is 4 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 and avoid flying on Friday. On this route, Sunday flights average £658, about £237 less than Friday fares (26% 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 46% 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 October. Fares historically average £648 return in that month – typically £260 less than the most expensive month, which is March (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