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Cheap flights from London Heathrow Airport to Knoxville from £438

LHR — TYS
29 Nov — 6 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 23/1106:40 -
2 stops20h 42m
Mon 7/1216:01 -
2 stops20h 39m
Deal found 25/10£586
Wed 4/1106:40 -
2 stops20h 22m
Mon 30/1116:00 -
2 stops19h 00m
Deal found 27/10£693
Mon 7/1216:45 -
2 stops35h 08m
Mon 21/1218:47 -
1 stop12h 18m
Deal found 27/10£720
Mon 7/1210:25 -
1 stop15h 22m
Mon 21/1210:45 -
1 stop14h 10m
Deal found 27/10£721
Mon 23/1109:30 -
2 stops15h 06m
Mon 7/1214:07 -
1 stop11h 33m
Deal found 25/10£730
Wed 25/1116:45 -
2 stops46h 48m
Sun 29/1120:50 -
1 stop32h 10m
Deal found 29/10£731
Tue 17/1106:50 -
2 stops17h 46m
Tue 1/1214:07 -
1 stop11h 33m
Deal found 25/10£735
Mon 14/1212:05 -
2 stops55h 48m
Mon 21/1206:00 -
1 stop25h 00m
Deal found 30/10£737
Tue 29/1211:05 -
2 stops42h 10m
Wed 13/109:45 -
2 stops25h 35m
Deal found 26/10£739
Wed 25/1110:25 -
1 stop15h 29m
Sun 29/1119:35 -
1 stop30h 05m
Deal found 29/10£741

Find flight deals from Heathrow to Knoxville

Round-trip from

£577

One-way from

£438

Popular in

December

Cheapest in

October

Average price

£651
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/3-8/3
  • 4 total stops
  • 40h 01m total
  • London to Knoxville
Search Deals
United Airlines
  • United Airlines
  • 14/12-31/12
  • 1 total stop
  • 12h 39m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£52 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 October 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
Fastest return journey

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 14/12

16:20-23:59

1 stop12h 39m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£438

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 20/3

06:30-13:36

2 stops35h 06m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£471

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 14/12

15:40-23:26

1 stop12h 46m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£516

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 31/12

09:50-23:10

1 stop18h 20m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£522

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 31/12

18:35-17:27

3 stops51h 52m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£524

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 20/3

10:35-20:52

1 stop14h 17m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£552

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 23/11

06:40-22:22

2 stops20h 42m

Knoxville McGhee Tyson

Mon 7/12

16:01-17:40

2 stops20h 39m

£586

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Wed 14/4

06:40-23:46

2 stops22h 06m

Knoxville McGhee Tyson

Wed 21/4

16:00-21:40

2 stops24h 40m

£588

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 28/1

06:40-23:58

2 stops22h 18m

Knoxville McGhee Tyson

Mon 1/2

16:43-18:30

2 stops20h 47m

£597

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Tue 17/11

07:30-19:36

2 stops17h 06m

Knoxville McGhee Tyson

Tue 1/12

14:07-09:10

2 stops14h 03m

£745

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 £651). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,060). 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 £661 and £726 in March.
The cheapest return price found within the last 5 days was £577 on Scandinavian Airlines (5 Mar–8 Mar).

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
698 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Overall

7.5

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
698 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Overall

7.5

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
10,454 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Overall

7.5

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
698 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Overall

7.5

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
8,275 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Overall

7.5

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?

    Scandinavian Airlines and United Airlines can get you from London Heathrow Airport to Knoxville in just under 17h 06m. Your travel time can differ by up to 3h 36m. The distance from London Heathrow Airport to Knoxville is about 4076 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £372, 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 £556 and £602, 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 £651). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,060). 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£372Average£836FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£556Average£778FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£602Average£824FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£689Average£842FlexibilityNo 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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