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Cheap flights from London Heathrow Airport to Knoxville from £555

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
26 Jan — 2 Feb1
1 adult

The best prices from London Heathrow to Knoxville McGhee Tyson are usually found in November or March, booked 80 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Heathrow to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

£555

Popular in

August

Cheapest in

November

Average price

£637
Finnair
  • Finnair
  • 7/5-20/5
  • 3 total stops
  • 30h 10m total
  • London to Knoxville
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Heathrow to Knoxville

Cheapest flights from Heathrow to Knoxville
Explore the most affordable flight options available from Heathrow to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Wed 7/509:45LHR - TYS
1 stop16h 05mFinnair
Tue 20/511:30TYS - LHR
1 stop13h 50mFinnair
Deal found 20/1£555
Wed 7/511:20LHR - TYS
1 stop17h 26mVirgin Atlantic
Tue 20/516:00TYS - LHR
2 stops12h 15mVirgin Atlantic
Deal found 20/1£560
Wed 5/311:10LHR - TYS
2 stops16h 50mUnited Airlines
Wed 12/310:35TYS - LHR
1 stop16h 55mUnited Airlines
Deal found 20/1£580
Sat 1/1111:55LHR - TYS
1 stop13h 19mBritish Airways
Sat 15/1118:54TYS - LHR
1 stop11h 46mBritish Airways
Deal found 20/1£615
Tue 11/306:50LHR - TYS
3 stops40h 44mMultiple Airlines
Tue 25/314:25TYS - LHR
2 stops18h 35mMultiple Airlines
Deal found 19/1£627
Sun 16/210:50LHR - TYS
1 stop12h 47mDelta
Sat 1/312:08TYS - LHR
1 stop13h 12mDelta
Deal found 20/1£636
Thu 24/409:30LHR - TYS
2 stops19h 29mLufthansa
Sun 27/419:35TYS - LHR
2 stops33h 05mLufthansa
Deal found 20/1£724
Thu 3/421:10LHR - TYS
2 stops27h 32mAer Lingus
Sat 26/415:09TYS - LHR
2 stops17h 16mAer Lingus
Deal found 20/1£942
Tue 21/111:45LHR - TYS
2 stops17h 02mKLM
Tue 28/112:08TYS - LHR
1 stop14h 47mKLM
Deal found 20/1£991
Tue 11/314:50LHR - TYS
3 stops22h 32mWestJet
Tue 25/307:00TYS - LHR
3 stops25h 50mWestJet
Deal found 19/1£1,029
Thu 3/407:05LHR - TYS
3 stops21h 37mScandinavian Airlines
Sat 26/413:01TYS - LHR
2 stops21h 59mScandinavian Airlines
Deal found 20/1£1,165

Find flights from Heathrow to Knoxville within your budget

Customise your flight search to find flights from Heathrow to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 7/5

10:00-21:20

2 stops16h 20m

Knoxville McGhee Tyson

Tue 20/5

11:30-06:20

1 stop13h 50m

£555

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 7/5

11:20-23:46

1 stop17h 26m

Knoxville McGhee Tyson

Tue 20/5

16:00-09:15

2 stops12h 15m

£560

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 5/3

11:10-23:00

2 stops16h 50m

Knoxville McGhee Tyson

Wed 12/3

10:35-07:30

1 stop16h 55m

£580

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 16/2

15:05-20:50

2 stops34h 45m

Knoxville McGhee Tyson

Sat 1/3

11:09-13:10

2 stops21h 01m

£620

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 11/3

06:50-19:34

3 stops40h 44m

Knoxville McGhee Tyson

Tue 25/3

14:25-13:00

2 stops18h 35m

£627

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 16/2

10:50-18:37

1 stop12h 47m

Knoxville McGhee Tyson

Sat 1/3

12:08-06:20

1 stop13h 12m

£636

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 24/4

09:30-23:59

2 stops19h 29m

Knoxville McGhee Tyson

Sun 27/4

19:35-09:40

2 stops33h 05m

£724

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 3/4

21:10-19:42

2 stops27h 32m

Knoxville McGhee Tyson

Sat 26/4

15:09-13:25

2 stops17h 16m

£942

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 11/3

14:50-09:22

3 stops22h 32m

Knoxville McGhee Tyson

Tue 25/3

07:00-12:50

3 stops25h 50m

£1,029

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 3/4

07:05-23:42

3 stops21h 37m

Knoxville McGhee Tyson

Sat 26/4

13:01-16:00

2 stops21h 59m

£1,165

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 11 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Heathrow to Knoxville

Get recent, data-driven insights about flights from Heathrow to Knoxville including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Knoxville?

Use this chart to determine the optimal time to book a return flight from Heathrow to Knoxville. Price data was last updated on 17 January 2025.

The price you pay for your flight from London Heathrow Airport to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of £720). Flying from London Heathrow Airport to Knoxville in July is currently the most expensive (average of £1,130). 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.

What is the cheapest time of day to fly from LHR to TYS?

Find hourly flight availability from Heathrow to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

It’s typically best to fly out from London Heathrow Airport to Knoxville in the evening. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Knoxville?

Use this chart to determine the cheapest time to fly return from Heathrow to Knoxville. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Knoxville flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 68.0 - 123.0 inches per month. March is typically the wettest month, when rainfall can reach 123.0 mm. October is typically the driest time to visit Knoxville when rainfall is around 68.0 mm.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated 21 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 5 different airlines.

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

    Currently priced at £555, Finnair will fly you from London Heathrow Airport to Knoxville and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and United Airlines - these airlines can fly you to your destination from £560 and £580, respectively. These flights start at 23% 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of £720). Flying from London Heathrow Airport to Knoxville in July is currently the most expensive (average of £1,130). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Heathrow to Knoxville

Discover the top 5 airlines that operate flights from Heathrow to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£534Average£690FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£544Average£725FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£545Average£695FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£555Average£732FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£599Average£704FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

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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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