Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Knoxville from £394

LHR — TYS
14 Nov — 21 Nov1
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 9/1106:40 -
2 stops20h 16m
Mon 23/1116:00 -
2 stops19h 00m
Deal found 11/10£618
Tue 24/1109:30 -
2 stops19h 29m
Tue 1/1214:07 -
1 stop11h 33m
Deal found 10/10£681
Mon 9/1109:30 -
2 stops15h 06m
Mon 16/1109:45 -
1 stop15h 55m
Deal found 11/10£701
Tue 10/1109:00 -
2 stops16h 54m
Tue 17/1116:30 -
2 stops13h 20m
Deal found 13/10£704
Mon 9/1108:40 -
2 stops19h 31m
Mon 16/1116:00 -
2 stops12h 55m
Deal found 11/10£708
Mon 16/1108:30 -
2 stops16h 06m
Mon 30/1117:40 -
1 stop13h 20m
Deal found 13/10£709
Tue 17/1109:00 -
2 stops19h 59m
Wed 2/1210:57 -
1 stop13h 58m
Deal found 12/10£710
Tue 3/1115:45 -
2 stops33h 04m
Thu 19/1111:43 -
1 stop15h 02m
Deal found 13/10£718

Find flight deals from Heathrow to Knoxville

Round-trip from

£579

One-way from

£394

Popular in

December

Cheapest in

October

Average price

£656
Scandinavian Airlines
  • Scandinavian Airlines
  • 20/1-3/2
  • 4 total stops
  • 44h 49m total
  • London to Knoxville
Search Deals
14/12-31/12
  • 14/12-31/12
  • 3 total stops
  • 46h 10m total
  • London to Knoxville
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£74 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

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 12/12

20:50-18:42

3 stops50h 52m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£473

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 7/1

20:05-00:28

3 stops33h 23m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£494

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

£505
Fastest return journey

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Tue 15/12

12:40-20:14

1 stop12h 34m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£518

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sun 13/12

09:55-13:08

3 stops32h 13m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£525

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 7/1

08:55-20:40

1 stop16h 45m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£528

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 12/12

09:50-23:24

1 stop18h 34m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£541

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 7/1

15:10-19:51

1 stop33h 41m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£544

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sun 13/12

10:50-15:13

1 stop33h 23m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£559

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 28/1

06:40-23:46

2 stops22h 06m

Knoxville McGhee Tyson

Mon 1/2

16:00-18:30

2 stops21h 30m

£598

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 20 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 £656). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,069). 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 £633 and £705 in January.
The cheapest return price found within the last 5 days was £579 on Scandinavian Airlines (20 Jan–3 Feb).

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
695 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.9

Boarding

7.7

Overall

7.5

Entertainment

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
695 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.9

Boarding

7.7

Overall

7.5

Entertainment

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
7.4
Good
10,362 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.9

Boarding

7.7

Overall

7.5

Entertainment

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
8,278 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.9

Boarding

7.7

Overall

7.5

Entertainment

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
8,262 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.9

Boarding

7.7

Overall

7.5

Entertainment

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, United Airlines, and Lufthansa can get you from London Heathrow Airport to Knoxville in just under 16h 54m. Your travel time can differ by up to 5h 12m. 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 £375, 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 £561 and £608, 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 £656). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,069). 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£375Average£857FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£561Average£784FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£608Average£831FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£695Average£849FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Knoxville?

Cheapflights helps you search for flights from Heathrow to Knoxville via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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!

Can Cheapflights find flights from Heathrow to Knoxville with no change fees?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.