TYS - LHR

£259 Find Cheap Flights from Knoxville to London Heathrow Airport – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£561
Typical prices: £566-£922
Virgin Atlantic
Fri 2/11Sun 11/11
TYS - LHR • 1 stop
Cheapest one-way flight
£259
Typical prices: £350-£549
Delta
Thu 15/3
TYS - LHR • 2 stops
Direct flights
Not available
There are currently no direct flights between Knoxville and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travellers who book at least 15 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 23% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Charlotte Douglas (CLT)
Cheapest • Avg £730 (return)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 11h 24m (one-way)
Insights
Insights
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We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Knoxville to Heathrow (TYS-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Knoxville to Heathrow

Mon, 2 Nov - Wed, 11 Nov
Virgin Atlantic Logo
07:26 - 07:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
18h 39m1 stop Detroit Metropolitan Wayne County
Virgin Atlantic Logo
11:30 - 22:12LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 42m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
£561Virgin Atlantic
Mon, 2 Nov - Wed, 11 Nov
Delta Logo
07:26 - 07:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
18h 39m1 stop Detroit Metropolitan Wayne County
Delta Logo
08:55 - 22:12LHR  London Heathrow-TYS Knoxville McGhee Tyson
18h 17m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
£563Delta
Mon, 2 Nov - Wed, 11 Nov
Delta Logo
11:50 - 06:25TYS  Knoxville McGhee Tyson-LHR London Heathrow
13h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:00 - 20:09LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£564Delta
Mon, 2 Nov - Wed, 11 Nov
Virgin Atlantic Logo
07:26 - 07:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
18h 39m1 stop Detroit Metropolitan Wayne County
Virgin Atlantic Logo
12:40 - 20:09LHR  London Heathrow-TYS Knoxville McGhee Tyson
12h 29m1 stop Atlanta Hartsfield-Jackson
£566Virgin Atlantic
Tue, 13 Oct - Tue, 20 Oct
Delta Logo
17:18 - 13:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
14h 47m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul
Delta Logo
09:55 - 21:37LHR  London Heathrow-TYS Knoxville McGhee Tyson
16h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
£567Delta
Mon, 5 Oct - Thu, 15 Oct
Virgin Atlantic Logo
12:23 - 13:15TYS  Knoxville McGhee Tyson-LHR London Heathrow
19h 52m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
12:25 - 23:02LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 37m1 stop Minneapolis St Paul
£567Virgin Atlantic
Tue, 13 Oct - Fri, 23 Oct
Delta Logo
08:35 - 06:25TYS  Knoxville McGhee Tyson-LHR London Heathrow
16h 50m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:15 - 22:08LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 53m1 stop Atlanta Hartsfield-Jackson
£569Delta
Tue, 13 Oct - Fri, 23 Oct
Delta Logo
17:18 - 12:05TYS  Knoxville McGhee Tyson-LHR London Heathrow
13h 47m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Delta Logo
11:15 - 22:08LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 53m1 stop Atlanta Hartsfield-Jackson
£572Delta
Tue, 29 Sep - Tue, 6 Oct
Delta Logo
11:46 - 07:15TYS  Knoxville McGhee Tyson-LHR London Heathrow
14h 29m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Delta Logo
10:45 - 21:37LHR  London Heathrow-TYS Knoxville McGhee Tyson
15h 52m1 stop Detroit Metropolitan Wayne County
£573Delta
Sun, 1 Nov - Sun, 8 Nov
Delta Logo
07:09 - 06:25TYS  Knoxville McGhee Tyson-LHR London Heathrow
18h 16m1 stop Atlanta Hartsfield-Jackson
Delta Logo
06:20 - 18:24LHR  London Heathrow-TYS Knoxville McGhee Tyson
17h 04m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
£600Delta
Booking Insights

Price, demand, and travel trends for Knoxville to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Knoxville to London Heathrow Airport with more confidence.

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

Return flights from Knoxville to London Heathrow Airport start at £561. Prices are below average for this route right now, with typical return fares ranging from £566 to £922. The lowest price found in the past 5 days was £561 on Virgin Atlantic.

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

Tuesday is the cheapest day of the week to fly from Knoxville to London Heathrow Airport and is 9% cheaper than the average day. Saturday is the most expensive day with flight prices 25% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•April is the cheapest month to fly from Knoxville to London Heathrow Airport at £570 return.
•June (£1,126) and July (£895) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 97% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Knoxville to London Heathrow Airport the cheapest?

Flights from Knoxville to London Heathrow Airport are cheapest 15 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Knoxville to London Heathrow Airport flights

Low season

February

Cheapest flight

£259
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly and prices are also 5% lower on average.
Flights from Knoxville to London Heathrow Airport

When to book flights from Knoxville to Heathrow

Are your dates flexible? Find out the best times to travel from Knoxville to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Knoxville to London Heathrow Airport 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 Knoxville to London Heathrow Airport?

    Flights from Knoxville to London Heathrow Airport usually depart from Knoxville McGhee Tyson (TYS) and arrive at London Heathrow (LHR).

  • Which cabin classes can I book on flights from Knoxville to London Heathrow Airport?

    Two cabin classes are available on flights from Knoxville to London Heathrow Airport:

    • Economy class
    • Business Class

  • Which airports do connecting flights from Knoxville to London Heathrow Airport pass through?

    One-stop flights from Knoxville to London Heathrow Airport most commonly connect through:

    • Charlotte Douglas (CLT) – 38% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 36% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 15% 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 Knoxville to London Heathrow Airport?

    Yes. Being flexible with your travel dates can save you up to 28% on the Knoxville to London Heathrow Airport route. Tuesday is the cheapest departure day at £674 return on average, while Saturday is the most expensive at £926, a difference of £252. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 13% above the route average of £736. Book 15 weeks before departure for the lowest fares.

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

    A direct flight from Knoxville to London Heathrow Airport takes 0h 00m, covering 4,076 miles.

  • Do I need a passport to fly from Knoxville to London Heathrow Airport?

    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 Knoxville to London Heathrow Airport looking right now?

    One-way fares from Knoxville to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £352, which is 18% below the typical average for this route.

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

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time of 11h 10m, compared to 11h 24m via Detroit Metropolitan Wayne County (DTW) and 11h 27m via Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between Knoxville and London Heathrow Airport?

    London Heathrow Airport is 5 hours ahead of Knoxville (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • How much should I expect to pay for a Knoxville to London Heathrow Airport flight?

    Return flights from Knoxville to London Heathrow Airport range from £566 to £922, with an average of £736 over the past 12 months. Anything below £566 counts as a good deal.

Your guide to booking Knoxville to London Heathrow Airport 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 Tuesday departure instead of Saturday. On this route, Tuesday flights average £674 – about £252 less than Saturday (27% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Knoxville to London Heathrow Airport trip for April. Fares historically average £570 return in that month – typically £556 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.
    - Hilton London Heathrow Airport

More options for your flight from Knoxville to Heathrow

Complete your trip to London with a hotel stay or car hire

Car hire in London
Hotels in London
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