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Cheap flights from London Heathrow Airport to Knoxville from £349

LHR — TYS
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Knoxville

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Knoxville

Mon 14/1206:40 -
2 stops22h 17m
Wed 30/1216:52 -
2 stops18h 08m
Deal found 30/10£601
Tue 15/1219:30 -
2 stops31h 47m
Wed 6/117:00 -
2 stops18h 00m
Deal found 31/10£694
Wed 16/1206:40 -
2 stops20h 37m
Wed 30/1216:52 -
2 stops18h 08m
Deal found 1/11£700
Mon 30/1116:45 -
2 stops29h 50m
Mon 14/1216:17 -
1 stop12h 23m
Deal found 2/11£717
Wed 2/1209:00 -
2 stops19h 59m
Sun 6/1217:00 -
1 stop33h 40m
Deal found 3/11£723
Mon 14/1209:00 -
2 stops34h 53m
Mon 21/1206:00 -
1 stop25h 00m
Deal found 30/10£733
Tue 15/1209:00 -
2 stops19h 59m
Wed 23/1209:30 -
2 stops15h 25m
Deal found 2/11£736
Mon 14/1210:25 -
1 stop15h 22m
Mon 21/1217:57 -
1 stop13h 03m
Deal found 30/10£738
Wed 16/1211:10 -
2 stops17h 49m
Wed 23/1209:30 -
2 stops15h 25m
Deal found 1/11£741
Tue 17/1107:30 -
2 stops17h 06m
Wed 2/1214:07 -
1 stop15h 43m
Deal found 30/10£743

Find flight deals from Heathrow to Knoxville

Round-trip from

£593

One-way from

£349

Popular in

December

Cheapest in

October

Average price

£722
Scandinavian Airlines
  • Scandinavian Airlines
  • 14/3-28/4
  • 4 total stops
  • 53h 29m total
  • London to Knoxville
Search Deals
30/1-31/12
  • 30/1-31/12
  • 3 total stops
  • 47h 22m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Tue 2/2

07:40-10:10

1 stop31h 30m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£513

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 14/12

08:50-19:05

2 stops15h 15m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£524

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Fri 29/1

12:05-23:59

1 stop16h 54m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£555
Fastest return journey

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sun 31/1

12:00-19:51

1 stop12h 51m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£555

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 30/1

15:40-00:28

1 stop13h 48m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£561

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 14/12

18:00-11:39

1 stop22h 39m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£584

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Wed 2/12

09:00-23:59

2 stops19h 59m

Knoxville McGhee Tyson

Sun 6/12

17:00-07:40

1 stop33h 40m

£723

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Tue 17/11

09:30-19:36

2 stops15h 06m

Knoxville McGhee Tyson

Wed 2/12

10:57-06:40

2 stops14h 43m

£748

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Tue 15/12

09:00-23:59

2 stops19h 59m

Knoxville McGhee Tyson

Wed 6/1

09:45-10:50

1 stop20h 05m

£751

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Tue 17/11

09:55-16:48

1 stop11h 53m

Knoxville McGhee Tyson

Wed 2/12

17:17-12:00

1 stop13h 43m

£761

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Knoxville

What is the cheapest month to book a flight from London Heathrow Airport to Knoxville?

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of £647). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,054). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Knoxville?

Airfare is below average for this route at the moment.

London Heathrow Airport to Knoxville flights typically cost between £657 and £722 in March.
The cheapest return price found within the last 5 days was £593 on Scandinavian Airlines (14 Mar–28 Apr).

Reviews of airlines servicing Knoxville

Read reviews from past customers who have flown with Virgin Atlantic,United Airlines, andLufthansa from London Heathrow Airport to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Crew

8.1

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
697 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Crew

8.1

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.3
Good
10,458 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Crew

8.1

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,297 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Crew

8.1

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,281 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Crew

8.1

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

  • What airport do you fly into for flights to Knoxville from London Heathrow?

    If you book a flight to Knoxville from London Heathrow, you will be flying to McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 0 flights from London Heathrow to McGhee Tyson per day from 4 different airlines.

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

    United Airlines can get you from London Heathrow Airport to Knoxville in just under 19h 59m. Your travel time can differ by up to . The distance from London Heathrow Airport to Knoxville is about 4076 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Knoxville round-trip?

    Currently priced at £370, Virgin Atlantic will fly you from London Heathrow Airport to Knoxville and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from £553 and £599, respectively. These flights start at 52% lower than the current average price 3 months from now.

  • Can I find deals for flights from Heathrow to Knoxville that include hotel bookings?

    Yes. In addition to deals on Heathrow to Knoxville flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Knoxville.

  • Can I find deals for business class flights from Heathrow to Knoxville?

    Yes. Cheapflights offers flight deals from Heathrow to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Knoxville?

    Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of £647). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,054). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Heathrow to Knoxville

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£370Average£793FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£553Average£775FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£599Average£819FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£686Average£837FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Knoxville?

Cheapflights helps you find that perfect flight to Knoxville from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Yes! Cheapflights helps users easily find flights from Heathrow to Knoxville with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Knoxville become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Knoxville flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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