LHR - TYS

£414 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
£601
Typical prices: £595-£903
Scandinavian Airlines
Sun 28/1Thu 1/2
LHR - TYS • 2 stops
Cheapest one-way flight
£387
Typical prices: £474-£922
Multiple Airlines
Fri 12/1
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.
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When to book
26 weeks
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 27% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg £624 (return)
Charlotte Douglas (CLT)
Shortest trip • 11h 24m (one-way)
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Insights
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We hope you enjoy your trip to Knoxville!
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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
17:57 - 09:20TYS  Knoxville McGhee Tyson-LHR London Heathrow
34h 23m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£601Scandinavian Airlines
Thu, 26 Nov - Wed, 2 Dec
Scandinavian Airlines Logo
19:30 - 22:12LHR  London Heathrow-TYS Knoxville McGhee Tyson
31h 42m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
16:01 - 21:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
24h 39m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
£621Scandinavian Airlines
Mon, 5 Oct - Mon, 12 Oct
Lufthansa Logo
07:30 - 20:19LHR  London Heathrow-TYS Knoxville McGhee Tyson
17h 49m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
Lufthansa Logo
19:25 - 16:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
16h 15m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
£672Lufthansa
Mon, 5 Oct - Mon, 19 Oct
United Airlines Logo
08:40 - 20:19LHR  London Heathrow-TYS Knoxville McGhee Tyson
16h 39m2 stops Zurich Washington, D.C. Dulles Intl
United Airlines Logo
10:42 - 06:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
15h 13m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
£682United Airlines
Mon, 5 Oct - Mon, 19 Oct
United Airlines Logo
08:40 - 20:19LHR  London Heathrow-TYS Knoxville McGhee Tyson
16h 39m2 stops Zurich Washington, D.C. Dulles Intl
United Airlines Logo
13:55 - 11:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
17h 00m1 stop Chicago O'Hare Intl
£682United Airlines
Sun, 22 Nov - Tue, 1 Dec
Lufthansa Logo
19:30 - 20:54LHR  London Heathrow-TYS Knoxville McGhee Tyson
30h 24m2 stops Frankfurt am Main Chicago O'Hare Intl
Lufthansa Logo
14:07 - 06:40TYS  Knoxville McGhee Tyson-LHR London Heathrow
11h 33m1 stop Washington, D.C. Dulles Intl
£683Lufthansa
Mon, 5 Oct - Mon, 19 Oct
British Airways Logo
09:45 - 18:20LHR  London Heathrow-TYS Knoxville McGhee Tyson
13h 35m1 stop Chicago O'Hare Intl
British Airways Logo
15:56 - 07:50TYS  Knoxville McGhee Tyson-LHR London Heathrow
10h 54m1 stop Philadelphia
£687British Airways
Sun, 8 Nov - Tue, 24 Nov
Virgin Atlantic Logo
14:05 - 21:29LHR  London Heathrow-TYS Knoxville McGhee Tyson
36h 24m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Virgin Atlantic Logo
18:07 - 06:20TYS  Knoxville McGhee Tyson-LHR London Heathrow
31h 13m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
£707Virgin Atlantic
Mon, 9 Nov - Mon, 4 Jan
Virgin Atlantic Logo
08:55 - 17:22LHR  London Heathrow-TYS Knoxville McGhee Tyson
13h 27m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
17:57 - 09:00TYS  Knoxville McGhee Tyson-LHR London Heathrow
10h 03m1 stop Atlanta Hartsfield-Jackson
£715Virgin Atlantic
Sun, 22 Nov - Tue, 8 Dec
British Airways Logo
09:55 - 16:36LHR  London Heathrow-TYS Knoxville McGhee Tyson
11h 41m1 stop Charlotte Douglas
British Airways Logo
11:33 - 06:55TYS  Knoxville McGhee Tyson-LHR London Heathrow
14h 22m1 stop Chicago O'Hare Intl
£717British Airways
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 from London Heathrow Airport to Knoxville with more confidence.

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

Return flights from London Heathrow Airport to Knoxville start at £601. Prices are typical for this route right now, with typical return fares ranging from £595 to £903. The lowest price found in the past 5 days was £601 on Scandinavian Airlines.

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

Sunday is the cheapest day of the week to fly from London Heathrow Airport to Knoxville and is 26% cheaper than the average day. Friday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from London Heathrow Airport to Knoxville at £559 return.
  • July (£859) and August (£832) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 53% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 41% 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

£387
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly (9% more expensive on average)
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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 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

  • 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) – 46% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 28% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 16% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 6% of one-stop connections

    Charlotte Douglas (CLT) handles the largest share of one-stop connections on this route.

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

    On the London Heathrow Airport to Knoxville route, being flexible with your departure day can save you up to 33%. Sunday is the cheapest day at £569 return on average, while Friday is the most expensive at £837 – a £268 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 28% above the route average of £766. Book 26 weeks before departure for the lowest fares.

  • How long is a flight from London Heathrow Airport to Knoxville?

    A direct flight from London Heathrow Airport to Knoxville takes 0h 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 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 £545, which is 11% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from London Heathrow Airport to Knoxville?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time of 11h 24m, compared to 11h 39m via Washington, D.C. Dulles Intl (IAD) and 11h 50m 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.

  • 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
    • Thrifty
    • Enterprise Rent-A-Car
    • Payless

  • 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 £595 to £903, with an average of £766 over the past 12 months. Anything below £595 counts as a good deal.

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 instead of Friday. On this route, Sunday flights average £569 – about £268 less than Friday (32% 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 41% 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 September. Fares historically average £559 return in that month – typically £300 less than the most expensive month, which is July (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

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