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Cheap flights from Knoxville to London Heathrow Airport from £374

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
23 Feb — 2 Mar1
1 adult

The best prices from Knoxville McGhee Tyson to London Heathrow are usually found in February or September, booked 50 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Knoxville to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Heathrow (LHR). 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 18 February 2025.

Round-trip from

£537

One-way from

£374

Popular in

June

Cheapest in

February

Average price

£543
British Airways
  • British Airways
  • 19/3-26/3
  • 3 total stops
  • 36h 03m total
  • Knoxville to London
British Airways
  • British Airways
  • 23/4
  • 1 total stop
  • 14h 07m total
  • Knoxville to London
Highest demand for flights based on searches. 20% potential increase in price (£156 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Knoxville to Heathrow

Cheapest flights from Knoxville to Heathrow
Explore the most affordable flight options available from Knoxville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 February 2025.

Wed 19/310:50TYS - LHR
1 stop18h 30mBritish Airways
Wed 26/307:20LHR - TYS
2 stops17h 33mBritish Airways
Deal found 17/2£537
Wed 19/309:55TYS - LHR
2 stops17h 15mUnited Airlines
Wed 26/318:00LHR - TYS
2 stops32h 45mUnited Airlines
Deal found 17/2£541
Wed 30/409:55TYS - LHR
2 stops15h 40mMultiple Airlines
Wed 14/510:50LHR - TYS
2 stops16h 55mMultiple Airlines
Deal found 17/2£543
Wed 5/314:07TYS - LHR
2 stops23h 23mScandinavian Airlines
Mon 10/306:40LHR - TYS
2 stops19h 01mScandinavian Airlines
Deal found 17/2£546
Wed 30/410:06TYS - LHR
2 stops15h 19mDelta
Wed 14/511:45LHR - TYS
2 stops17h 01mDelta
Deal found 16/2£549
Wed 5/318:00TYS - LHR
1 stop13h 00mAmerican Airlines
Mon 10/310:05LHR - TYS
1 stop15h 22mAmerican Airlines
Deal found 17/2£582
Thu 6/307:25TYS - LHR
1 stop18h 25mVirgin Atlantic
Sun 9/314:30LHR - TYS
1 stop13h 12mVirgin Atlantic
Deal found 17/2£634
Tue 3/619:25TYS - LHR
1 stop10h 15mLufthansa
Mon 16/619:30LHR - TYS
2 stops32h 10mLufthansa
Deal found 18/2£815

Find flights from Knoxville to Heathrow within your budget

Customise your flight search to find flights from Knoxville to Heathrow 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 18 February 2025.

Fly from

Knoxville

Fly to

Heathrow

Route

Depart

Return

Price

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 19/3

10:50-09:20

1 stop18h 30m

London Heathrow

Wed 26/3

07:20-20:53

2 stops17h 33m

£537

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 19/3

09:55-07:10

2 stops17h 15m

London Heathrow

Wed 26/3

18:00-22:45

2 stops32h 45m

£541

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 30/4

09:55-06:35

2 stops15h 40m

London Heathrow

Wed 14/5

10:50-22:45

2 stops16h 55m

£543

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/3

14:07-18:30

2 stops23h 23m

London Heathrow

Mon 10/3

06:40-21:41

2 stops19h 01m

£546

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 30/4

10:06-06:25

2 stops15h 19m

London Heathrow

Wed 14/5

11:45-23:46

2 stops17h 01m

£549

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/3

18:00-12:00

1 stop13h 00m

London Heathrow

Mon 10/3

10:05-21:27

1 stop15h 22m

£582

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 6/3

07:25-06:50

1 stop18h 25m

London Heathrow

Sun 9/3

14:30-23:42

1 stop13h 12m

£634

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 3/6

19:25-10:40

1 stop10h 15m

London Heathrow

Mon 16/6

19:30-22:40

2 stops32h 10m

£815

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 2/5

05:50-09:35

2 stops22h 45m

London Heathrow

Thu 7/8

15:50-16:57

2 stops30h 07m

£904

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 2/5

19:24-13:30

1 stop13h 06m

London Heathrow

Thu 7/8

09:20-18:17

1 stop13h 57m

£959

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 14 results
1
2

Best time to book a flight from Knoxville to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Knoxville 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 Knoxville to Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from Knoxville to Heathrow. Price data was last updated on 14 February 2025.

The price you pay for your flight from Knoxville to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 50 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 Knoxville to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Knoxville to London Heathrow Airport (average of £112). Flying from Knoxville to London Heathrow Airport in August is currently the most expensive (average of £163). 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 TYS to LHR?

Find hourly flight availability from Knoxville to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 February 2025.

When flying from Knoxville to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 38% versus a flight in the morning.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 18 February 2025.
Read through reviews of airlines operating flights from Knoxville to London, such as Delta, Virgin Atlantic and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Heathrow. 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 from for flights from Knoxville to London Heathrow?

    If you book a flight to London Heathrow from Knoxville, you will be flying from 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 McGhee Tyson to London Heathrow per day from 1 airline.

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

    British Airways, at £537, was found to be the cheapest airline from Knoxville to London Heathrow Airport.Alternate airlines flying return to your destination include United Airlines and Scandinavian Airlines. You may be able to fly from Knoxville to London Heathrow Airport for 28% less than the average price by searching for these airlines.

  • Can I find deals for flights from Knoxville to Heathrow that include hotel bookings?

    Yes. In addition to deals on Knoxville to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Heathrow.

  • Can I find deals for business class flights from Knoxville to Heathrow?

    Yes. Cheapflights offers flight deals from Knoxville to Heathrow 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 Knoxville to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Knoxville to London Heathrow Airport (average of £112). Flying from Knoxville to London Heathrow Airport in August is currently the most expensive (average of £163). 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
Deal
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Top airline flying from Knoxville to Heathrow

Discover the top airline that operate flights from Knoxville to Heathrow. 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 18 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£538Average£538FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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