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Cheap flights from London Heathrow Airport to Knoxville from £369

LHR — TYS
24 Nov — 1 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 24/10£584
Sun 27/1206:40 -
2 stops22h 10m
Sat 1/516:00 -
2 stops19h 00m
Deal found 21/10£602
Fri 30/1013:10 -
1 stop26h 22m
Thu 5/1107:10 -
1 stop18h 50m
Deal found 20/10£680
Wed 18/1109:00 -
2 stops19h 59m
Wed 25/1113:56 -
1 stop17h 04m
Deal found 21/10£722
Tue 8/1209:00 -
2 stops19h 59m
Tue 15/1214:07 -
2 stops14h 03m
Deal found 24/10£723
Mon 23/1109:30 -
2 stops15h 06m
Mon 7/1219:45 -
1 stop10h 05m
Deal found 20/10£725
Mon 16/1116:45 -
2 stops24h 10m
Tue 1/1218:05 -
1 stop12h 55m
Deal found 21/10£726

Find flight deals from Heathrow to Knoxville

Round-trip from

£584

One-way from

£369

Popular in

December

Cheapest in

October

Average price

£649
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/11-7/12
  • 4 total stops
  • 41h 21m total
  • London to Knoxville
Search Deals
7/12-31/12
  • 7/12-31/12
  • 2 total stops
  • 48h 38m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 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

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 7/12

18:30-14:08

2 stops48h 38m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 28/12

20:35-11:53

2 stops44h 18m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£434

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 5/12

14:50-08:27

3 stops46h 37m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£448

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 14/11

07:30-11:23

3 stops32h 53m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£487

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Fri 30/10

20:35-10:44

2 stops42h 09m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£490

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 7/12

12:05-18:18

1 stop35h 13m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£500

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 31/10

12:15-10:44

2 stops26h 29m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£500

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sun 15/11

06:30-13:31

3 stops36h 01m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£525
Fastest return journey

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 28/12

10:50-20:03

1 stop14h 13m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£526

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 5/11

08:15-12:49

2 stops33h 34m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£533

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 18 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 £649). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,057). 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 £642 and £722 in November.
The cheapest return price found within the last 5 days was £584 on Scandinavian Airlines (23 Nov–7 Dec).

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

Overall

7.5

Boarding

7.7

Comfort

7.3

Food

6.9

Crew

8.1

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

Overall

7.5

Boarding

7.7

Comfort

7.3

Food

6.9

Crew

8.1

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
10,437 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Overall

7.5

Boarding

7.7

Comfort

7.3

Food

6.9

Crew

8.1

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
8,295 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Overall

7.5

Boarding

7.7

Comfort

7.3

Food

6.9

Crew

8.1

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
8,267 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Overall

7.5

Boarding

7.7

Comfort

7.3

Food

6.9

Crew

8.1

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 15h 06m. 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 £371, 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 £555 and £600, respectively. These flights start at 53% 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 £649). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,057). 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£371Average£833FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£555Average£775FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£600Average£821FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£687Average£839FlexibilityNo 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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