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Cheap flights from London Heathrow Airport to Knoxville from £360

LHR — TYS
30 Oct — 6 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

Fri 4/1206:40 -
2 stops22h 17m
Sun 31/117:57 -
2 stops19h 33m
Deal found 28/9£595
Wed 11/1106:40 -
2 stops20h 32m
Wed 18/1116:00 -
2 stops19h 00m
Deal found 27/9£606
Wed 11/1109:30 -
2 stops19h 29m
Wed 18/1113:55 -
1 stop15h 55m
Deal found 27/9£681
Sun 8/1112:05 -
2 stops52h 25m
Sun 15/1119:35 -
2 stops20h 00m
Deal found 26/9£683
Wed 11/1109:55 -
1 stop13h 49m
Wed 18/1115:55 -
1 stop10h 55m
Deal found 27/9£688
Mon 9/1109:30 -
2 stops15h 06m
Wed 25/1116:30 -
1 stop10h 55m
Deal found 30/9£689
Tue 17/1109:00 -
2 stops19h 59m
Wed 2/1210:57 -
1 stop13h 58m
Deal found 28/9£690
Mon 2/1106:50 -
2 stops15h 09m
Mon 16/1119:35 -
1 stop10h 15m
Deal found 27/9£691
Tue 27/1009:00 -
2 stops18h 59m
Tue 3/1119:35 -
1 stop10h 15m
Deal found 26/9£698

Find flight deals from Heathrow to Knoxville

Round-trip from

£595

One-way from

£360

Popular in

December

Cheapest in

October

Average price

£722
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/12-31/1
  • 4 total stops
  • 41h 50m 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 (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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 2/11

20:50-13:58

3 stops46h 08m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£390

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Tue 1/12

12:15-16:24

3 stops33h 09m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£413

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 3/12

12:15-18:42

3 stops35h 27m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£440

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Mon 7/12

10:00-21:33

2 stops16h 33m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£477

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Thu 3/12

16:20-23:59

1 stop12h 39m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£526

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 26/12

14:10-23:53

1 stop14h 43m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£537
Fastest return journey

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 12/12

16:20-23:46

1 stop12h 26m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£553

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sat 26/12

20:50-13:03

3 stops45h 13m

Knoxville McGhee Tyson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£578

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Sun 8/11

12:05-23:59

2 stops40h 54m

Knoxville McGhee Tyson

Sun 15/11

11:20-21:20

1 stop29h 00m

£683

LondonKnoxville

LHR London Heathrow - TYS Knoxville McGhee Tyson

LHRTYS

London Heathrow

Tue 17/11

09:00-23:59

2 stops19h 59m

Knoxville McGhee Tyson

Wed 2/12

10:57-05:55

1 stop13h 58m

£691

Flights are sorted by cheapest return flights first.

Deals found on 25/9

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 £656). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of £1,123). 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 £676 in December.
The cheapest return price found within the last 5 days was £595 on Scandinavian Airlines (4 Dec–31 Jan).

Reviews of airlines servicing Knoxville

Read reviews from past customers who have flown with United Airlines,Virgin Atlantic, 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.
United Airlines
7.4
Good
10,263 reviews
Check prices

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.4
Good
10,263 reviews
United Airlines
7.4
Good
10,263 reviews
Check prices

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
Virgin Atlantic
7.4
Good
694 reviews
United Airlines
7.4
Good
10,263 reviews
Check prices

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
Lufthansa
6.8
Okay
8,249 reviews
United Airlines
7.4
Good
10,263 reviews
Check prices

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
British Airways
6.7
Okay
8,243 reviews
United Airlines
7.4
Good
10,263 reviews
Check prices

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

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 40h 54m. 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 £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 United Airlines and British Airways - these airlines can fly you to your destination from £467 and £561, 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 £1,123). 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
United AirlinesCheapest£467Average£790FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£561Average£788FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£649Average£849FlexibilityNo 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!

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.

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