Q: How much does it cost for a return flight from Knoxville to London Heathrow Airport?

Airfare is below average for this route at the moment. Knoxville to London Heathrow Airport flights typically cost between £557 and £591 in October. The cheapest return flight price found within the last 3 days was £422 on Delta (13 Oct-23 Oct).

Question 1

What’s the cheapest stopover airport for flights from Knoxville to London Heathrow Airport?

Accepted Answer

Chicago (ORD) is the most affordable one-stop option, with an average return flight price of £517.

Question 2

Which airport typically offers the quickest stopover for flights from Knoxville to London Heathrow Airport?

Accepted Answer

Flights via Chicago (ORD) offer the fastest connection on this route, with an average stopover time of 1h 35m.

Question 3

How much does it cost for a return flight from Knoxville to London Heathrow Airport?

Accepted Answer

Airfare is below average for this route at the moment.Knoxville to London Heathrow Airport flights typically cost between £557 and £591 in October.
The cheapest return flight price found within the last 3 days was £422 on Delta (13 Oct-23 Oct).

Question 4

What’s the fastest stopover option from Knoxville to London Heathrow Airport?

Accepted Answer

Flights via Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 10h 07m.

Question 5

What’s the top stopover airport for flights from Knoxville to London Heathrow Airport?

Accepted Answer

Atlanta (ATL) – chosen by Cheapflights users on 36% of one-stop itineraries from Knoxville to London Heathrow Airport on Cheapflights.

Question 6

How long is the flight from Knoxville to London Heathrow Airport?

Accepted Answer

For as low as £426, Delta can have you in London Heathrow Airport from Knoxville in 13h 44m. There are 4076 mi between Knoxville and London Heathrow Airport. Both multi-stop and direct flights can be found to your destination and back.

Question 7

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

Accepted Answer

Scandinavian Airlines, at £503, was found to be the cheapest airline from Knoxville to London Heathrow Airport. An alternate airline flying to your destination would be British Airways. You may be able to fly from Knoxville to London Heathrow Airport for 27% less than the average price by searching for these airlines.

Question 8

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

Accepted Answer

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 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 9

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

Accepted Answer

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 £164). 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.

Question 10

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

Accepted Answer

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

Question 11

E

Accepted Answer

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.

Question 12

E

Accepted Answer

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).

Question 13

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

Accepted Answer

Wednesday flights are found to be more expensive to fly from Knoxville to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

Question 14

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 46 days in advance, which can save you up to 92% on flights from Knoxville to London Heathrow Airport compared to booking the week you need them. Waiting 46 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £485. For sooner than that we have options available in the next 3 days from £1,268.

Question 15

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Knoxville in February are about £699 on average during February, but can be found for as low as £539.

Question 16

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

Accepted Answer

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.

Question 17

What airport do you fly from for flights from Knoxville to London Heathrow?

Accepted Answer

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 2 different airlines.

Question 18

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

Accepted Answer

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

Question 19

How can I find direct flights from Knoxville to Heathrow?

Accepted Answer

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

Question 20

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

Accepted Answer

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.

Question 21

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

Accepted Answer

Deals for Knoxville to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 22

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

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Knoxville to Heathrow for you. Better yet — we are completely free to use.

Question 23

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

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Knoxville to Heathrow, users can toggle the no change fees filter when performing a flight search.

Question 24

Can Cheapflights notify me if prices for flights from Knoxville to Heathrow become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Knoxville to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£422
One-way from	£205
Popular in	December
Cheapest in	February
Average price	£689

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£503	Average£503	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£517	Average£681	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Cheap flights from Knoxville to London Heathrow Airport from £205

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Knoxville McGhee Tyson to London Heathrow are usually found in February or April, booked 85 days in advance, depart on a Tuesday or Monday and return on a Monday

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Cheapest flights from Knoxville to HeathrowExplore 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 27 August 2025.

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 27 August 2025.

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Everything you need to know about your flight from Knoxville to London Heathrow Airport

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

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

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

How much does it cost for a return flight from Knoxville to London Heathrow Airport?

What’s the top stopover airport for flights from Knoxville to London Heathrow Airport?

What’s the fastest stopover option from Knoxville to London Heathrow Airport?

What’s the fastest stopover option from Knoxville to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Knoxville to London Heathrow Airport?

Reviews of airlines servicing Heathrow

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?

How long is the flight from Knoxville to London Heathrow Airport?

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

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

How can I find direct flights from Knoxville to Heathrow?

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

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

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

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

Can Cheapflights notify me if prices for flights from Knoxville to Heathrow become cheaper?

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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 27 August 2025.