LHR - TYS

£347 Find Cheap Flights from London Heathrow Airport to Knoxville – Compare and Save

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Everything you should know

Cheapest return flight
£594
Typical prices: £674-£927
Scandinavian Airlines
Sun 28/1Thu 1/2
LHR - TYS • 2 stops
Cheapest one-way flight
£347
Typical prices: £471-£896
Multiple Airlines
Tue 30/1
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 47% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 20% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg £627 (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 - 23:58LHR  London Heathrow-TYS Knoxville McGhee Tyson
22h 18m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
16:43 - 18:30TYS  Knoxville McGhee Tyson-LHR London Heathrow
20h 47m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£594Scandinavian Airlines
Thu, 4 Feb - Mon, 15 Feb
Scandinavian Airlines Logo
19:30 - 23:58LHR  London Heathrow-TYS Knoxville McGhee Tyson
33h 28m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
16:20 - 16:00TYS  Knoxville McGhee Tyson-LHR London Heathrow
18h 40m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£600Scandinavian Airlines
Wed, 2 Dec - Sun, 6 Dec
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
17:00 - 07:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
33h 40m1 stop Houston George Bush Intcntl
£720United Airlines
Tue, 15 Dec - Tue, 22 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 - 07:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
20h 55m1 stop Chicago O'Hare Intl
£733United Airlines
Thu, 3 Dec - Wed, 9 Dec
Lufthansa Logo
09:30 - 19:47LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 17m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
Lufthansa Logo
12:46 - 09:10TYS  Knoxville McGhee Tyson-LHR London Heathrow
15h 24m1 stop Newark
£739Lufthansa
Tue, 15 Dec - Wed, 23 Dec
Lufthansa Logo
07:40 - 20:47LHR  London Heathrow-TYS Knoxville McGhee Tyson
18h 07m1 stop Chicago O'Hare Intl
Lufthansa Logo
19:35 - 06:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
30h 05m1 stop Washington, D.C. Dulles Intl
£741Lufthansa
Mon, 30 Nov - Thu, 10 Dec
Virgin Atlantic Logo
20:25 - 21:33LHR  London Heathrow-TYS Knoxville McGhee Tyson
30h 08m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Virgin Atlantic Logo
12:32 - 09:10TYS  Knoxville McGhee Tyson-LHR London Heathrow
15h 38m2 stops Atlanta Hartsfield-Jackson Washington, D.C. Dulles Intl
£742Virgin Atlantic
Mon, 30 Nov - Thu, 10 Dec
British Airways Logo
14:10 - 21:41LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 31m1 stop Charlotte Douglas
British Airways Logo
20:00 - 12:00TYS  Knoxville McGhee Tyson-LHR London Heathrow
11h 00m1 stop Charlotte Douglas
£749British Airways
Thu, 3 Dec - Wed, 9 Dec
British Airways Logo
09:55 - 17:31LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 36m1 stop Charlotte Douglas
British Airways Logo
12:42 - 06:35TYS  Knoxville McGhee Tyson-LHR London Heathrow
12h 53m1 stop Philadelphia
£750British Airways
Tue, 15 Dec - Tue, 22 Dec
Virgin Atlantic Logo
08:55 - 18:56LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 01m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
07:25 - 07:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
18h 40m1 stop Detroit Metropolitan Wayne County
£779Virgin 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 £674 to £927. 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?

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 29% 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 £644 return.
•December (£968) and March (£884) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 50% 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 47% 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

£347
Beat the crowds with an average 30% drop in traveller numbers.
The most popular month to fly with an average 25% 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 £674 to £927, with an average of £802 over the past 12 months. Anything below £674 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 36% above the £802 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 in line with typical prices for this route. Average one-way fares are about £557.

  • 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 averaging £61 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 36% on flights from London Heathrow Airport to Knoxville. Sunday is the cheapest departure day at £572 return on average, while Friday is the most expensive at £894, a difference of £321.

    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 £572, about £321 less than Friday fares (36% 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 47% 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 £644 return in that month – typically £324 less than the most expensive month, which is December (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
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