LHR - TYS

£360 Find Cheap Flights from London Heathrow Airport to Knoxville – Compare and Save

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Everything you should know

Cheapest return flight
£560
Typical prices: £675-£938
Aer Lingus
Sat 3/11Mon 19/11
LHR - TYS • 2 stops
Cheapest one-way flight
£360
Typical prices: £485-£938
Multiple Airlines
Tue 11/12
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 £635 (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

Tue, 3 Nov - Thu, 19 Nov
Aer Lingus Logo
12:10 - 22:51LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 41m2 stops Dublin Chicago O'Hare Intl
Aer Lingus Logo
07:39 - 08:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
19h 26m2 stops Chicago O'Hare Intl Dublin
£560Aer Lingus
Tue, 17 Nov - Wed, 2 Dec
Aer Lingus Logo
12:10 - 22:51LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 41m2 stops Dublin Chicago O'Hare Intl
Aer Lingus Logo
11:22 - 11:25TYS  Knoxville McGhee Tyson-LHR London Heathrow
19h 03m2 stops Chicago O'Hare Intl Dublin
£560Aer Lingus
Wed, 4 Nov - Thu, 12 Nov
Virgin Atlantic Logo
06:20 - 22:02LHR  London Heathrow-TYS Knoxville McGhee Tyson
20h 42m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
14:40 - 06:25TYS  Knoxville McGhee Tyson-LHR London Heathrow
10h 45m1 stop Atlanta Hartsfield-Jackson
£681Virgin Atlantic
Tue, 3 Nov - Sun, 8 Nov
Lufthansa Logo
10:25 - 20:54LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 29m1 stop Chicago O'Hare Intl
Lufthansa Logo
17:40 - 07:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
33h 15m1 stop Chicago O'Hare Intl
£696Lufthansa
Wed, 4 Nov - Thu, 12 Nov
Lufthansa Logo
16:20 - 23:59LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 39m1 stop Washington, D.C. Dulles Intl
Lufthansa Logo
16:30 - 10:25TYS  Knoxville McGhee Tyson-LHR London Heathrow
12h 55m1 stop Newark
£700Lufthansa
Tue, 17 Nov - Tue, 24 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
06:45 - 07:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
20h 10m1 stop Chicago O'Hare Intl
£704United Airlines
Mon, 30 Nov - Mon, 7 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
09:45 - 16:20TYS  Knoxville McGhee Tyson-LHR London Heathrow
25h 35m2 stops Washington, D.C. Dulles Intl Zurich
£705United Airlines
Tue, 17 Nov - Tue, 24 Nov
British Airways Logo
13:10 - 20:49LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 39m1 stop Philadelphia
British Airways Logo
15:47 - 07:20TYS  Knoxville McGhee Tyson-LHR London Heathrow
10h 33m1 stop Charlotte Douglas
£712British Airways
Tue, 3 Nov - Thu, 19 Nov
British Airways Logo
09:55 - 16:48LHR  London Heathrow-TYS Knoxville McGhee Tyson
11h 53m1 stop Charlotte Douglas
British Airways Logo
12:42 - 07:50TYS  Knoxville McGhee Tyson-LHR London Heathrow
14h 08m1 stop Philadelphia
£724British Airways
Sat, 31 Oct - Thu, 5 Nov
Virgin Atlantic Logo
10:10 - 22:22LHR  London Heathrow-TYS Knoxville McGhee Tyson
16h 12m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
11:50 - 07:45TYS  Knoxville McGhee Tyson-LHR London Heathrow
14h 55m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
£782Virgin 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 £675 to £938. The lowest price found in the past 5 days was £560 on Aer Lingus.

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 £652 return.
•March (£914) and July (£874) 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.

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Key details for London Heathrow Airport to Knoxville flights

Low season

February

Cheapest flight

£360
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 £675 to £938, with an average of £810 over the past 12 months. Anything below £675 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 £810 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 £576, which is 10% 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
    • 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 £662 return on average, while Friday is the most expensive at £900, a difference of £238.

    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 £662, about £238 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 £652 return in that month – typically £262 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
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