LHR - TYS

£367 Find Cheap Flights from London Heathrow Airport to Knoxville – Compare and Save

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Everything you should know

Cheapest return flight
£588
Typical prices: £677-£931
Scandinavian Airlines
Fri 9/2Thu 15/2
LHR - TYS • 2 stops
Cheapest one-way flight
£367
Typical prices: £473-£900
Multiple Airlines
Fri 7/12
LHR - TYS • 2 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 £630 (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, 9 Feb - Mon, 15 Feb
Scandinavian Airlines Logo
19:30 - 22:32LHR  London Heathrow-TYS Knoxville McGhee Tyson
32h 02m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
14:34 - 16:00TYS  Knoxville McGhee Tyson-LHR London Heathrow
20h 26m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£588Scandinavian Airlines
Wed, 17 Mar - Wed, 24 Mar
Scandinavian Airlines Logo
06:40 - 23:46LHR  London Heathrow-TYS Knoxville McGhee Tyson
21h 06m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
17:05 - 17:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
20h 35m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£588Scandinavian Airlines
Mon, 7 Dec - Mon, 14 Dec
United Airlines Logo
09:00 - 20:47LHR  London Heathrow-TYS Knoxville McGhee Tyson
16h 47m2 stops Zurich Chicago O'Hare Intl
United Airlines Logo
10:57 - 05:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
13h 58m1 stop Chicago O'Hare Intl
£720United Airlines
Mon, 7 Dec - Mon, 14 Dec
United Airlines Logo
09:00 - 20:47LHR  London Heathrow-TYS Knoxville McGhee Tyson
16h 47m2 stops Zurich Chicago O'Hare Intl
United Airlines Logo
13:55 - 09:10TYS  Knoxville McGhee Tyson-LHR London Heathrow
14h 15m2 stops Chicago O'Hare Intl Newark
£720United Airlines
Mon, 7 Dec - Mon, 21 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
19:35 - 06:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
30h 05m1 stop Washington, D.C. Dulles Intl
£725Lufthansa
Wed, 17 Mar - Wed, 24 Mar
Lufthansa Logo
09:30 - 20:54LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 24m2 stops Frankfurt am Main Newark
Lufthansa Logo
13:50 - 05:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
12h 05m1 stop Chicago O'Hare Intl
£726Lufthansa
Mon, 7 Dec - Mon, 14 Dec
British Airways Logo
13:10 - 20:58LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 48m1 stop Philadelphia
British Airways Logo
17:17 - 09:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
11h 23m1 stop Charlotte Douglas
£744British Airways
Wed, 17 Mar - Wed, 24 Mar
British Airways Logo
11:45 - 23:04LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 19m1 stop Charlotte Douglas
British Airways Logo
11:49 - 06:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
15h 06m1 stop Chicago O'Hare Intl
£753British Airways
Sun, 22 Nov - Sun, 6 Dec
Virgin Atlantic Logo
08:55 - 17:22LHR  London Heathrow-TYS Knoxville McGhee Tyson
13h 27m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
16:01 - 07:50TYS  Knoxville McGhee Tyson-LHR London Heathrow
10h 49m1 stop Atlanta Hartsfield-Jackson
£837Virgin Atlantic
Sun, 22 Nov - Sat, 5 Dec
Virgin Atlantic Logo
08:55 - 17:22LHR  London Heathrow-TYS Knoxville McGhee Tyson
13h 27m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
16:01 - 09:00TYS  Knoxville McGhee Tyson-LHR London Heathrow
11h 59m1 stop Atlanta Hartsfield-Jackson
£837Virgin 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 £677 to £931. The lowest price found in the past 5 days was £588 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 £647 return.
•December (£973) and March (£888) 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

£367
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 £677 to £931, with an average of £805 over the past 12 months. Anything below £677 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 £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 in line with typical prices for this route. Average one-way fares are about £574.

  • 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) – 27% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 13% 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 £575 return on average, while Friday is the most expensive at £898, a difference of £323.

    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 39m 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 and avoid flying on Friday. On this route, Sunday flights average £575, about £323 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 £647 return in that month – typically £325 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
Hotels in Knoxville
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