United Kingdom
GBP

LHR - TYS

£433 Find Cheap Flights from London Heathrow Airport to Knoxville – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£598
Typical prices: £679-£944
Scandinavian Airlines
Sun 28/1Thu 1/2
LHR - TYS • 2 stops
Cheapest one-way flight
£433
Typical prices: £489-£945
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 46% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 20% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg £639 (return)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 11h 16m (one-way)
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Insights
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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

Thu, 28 Jan - Mon, 1 Feb
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 - 18:30TYS  Knoxville McGhee Tyson-LHR London Heathrow
21h 30m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£598Scandinavian Airlines
Thu, 28 Jan - Mon, 1 Feb
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 - 18:30TYS  Knoxville McGhee Tyson-LHR London Heathrow
21h 30m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£599Scandinavian Airlines
Wed, 18 Nov - Wed, 25 Nov
United Airlines Logo
09:00 - 23:59LHR  London Heathrow-TYS Knoxville McGhee Tyson
19h 59m2 stops Zurich Washington, D.C. Dulles Intl
United Airlines Logo
11:20 - 08:25TYS  Knoxville McGhee Tyson-LHR London Heathrow
16h 05m1 stop Newark
£703United Airlines
Wed, 18 Nov - Wed, 25 Nov
United Airlines Logo
09:00 - 20:54LHR  London Heathrow-TYS Knoxville McGhee Tyson
16h 54m2 stops Zurich Chicago O'Hare Intl
United Airlines Logo
16:30 - 09:10TYS  Knoxville McGhee Tyson-LHR London Heathrow
11h 40m1 stop Newark
£705United Airlines
Mon, 22 Feb - Wed, 3 Mar
Lufthansa Logo
09:30 - 19:17LHR  London Heathrow-TYS Knoxville McGhee Tyson
14h 47m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
Lufthansa Logo
19:35 - 15:50TYS  Knoxville McGhee Tyson-LHR London Heathrow
15h 15m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
£708Lufthansa
Mon, 9 Nov - Mon, 23 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
13:55 - 06:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
11h 45m1 stop Washington, D.C. Dulles Intl
£709Lufthansa
Wed, 18 Nov - Wed, 25 Nov
British Airways Logo
14:10 - 22:48LHR  London Heathrow-TYS Knoxville McGhee Tyson
13h 38m1 stop Charlotte Douglas
British Airways Logo
15:47 - 09:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
12h 53m1 stop Charlotte Douglas
£711British Airways
Mon, 22 Feb - Wed, 3 Mar
British Airways Logo
11:00 - 18:50LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 50m1 stop Chicago O'Hare Intl
British Airways Logo
07:40 - 07:50TYS  Knoxville McGhee Tyson-LHR London Heathrow
19h 10m1 stop Philadelphia
£722British Airways
Sun, 22 Nov - Sun, 29 Nov
Virgin Atlantic Logo
11:20 - 21:29LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 09m1 stop Detroit Metropolitan Wayne County
Virgin Atlantic Logo
19:22 - 06:25TYS  Knoxville McGhee Tyson-LHR London Heathrow
30h 03m1 stop Atlanta Hartsfield-Jackson
£750Virgin Atlantic
Sat, 31 Oct - Thu, 5 Nov
Virgin Atlantic Logo
11:20 - 22:22LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 02m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
14:38 - 09:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
14h 17m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl
£763Virgin 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 £679 to £944. The lowest price found in the past 5 days was £598 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 £656 return.
•March (£920) and July (£880) 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.

Find deals

Key details for London Heathrow Airport to Knoxville flights

Low season

February

Cheapest flight

£433
Beat the crowds with an average 43% drop 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 £679 to £944, with an average of £815 over the past 12 months. Anything below £679 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 £815 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 higher than usual. Average one-way flight prices are about £679, which is 6% above 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
    • 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 £667 return on average, while Friday is the most expensive at £906, a difference of £240.

    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 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 and avoid flying on Friday. On this route, Sunday flights average £667, about £240 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 £656 return in that month – typically £264 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

Car hire in Knoxville
Hotels in Knoxville
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