Cheap flights from London Heathrow Airport to Knoxville from $563
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Knoxville departing on 7/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from London Heathrow Airport to Knoxville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Knoxville?
The month of November is, on average, the cheapest month to fly to Knoxville from London Heathrow Airport, with most prices found around $740. If you aren’t able to travel during the month of November, then book flights to Knoxville from London Heathrow Airport during March instead. Flights to Knoxville in March, while not as cheap as those in November, still average around $753.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart from London Heathrow Airport to Knoxville is on a Friday. Travelers who choose to depart for Knoxville on a Friday will often find tickets for as low as $824. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Knoxville for around $2,356.
What is the cheapest time of day to depart on your flight to Knoxville?
At noon is the cheapest time of day to fly from London Heathrow Airport to Knoxville when you can find flight prices for as low as $791. Flying to Knoxville at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $1,092.
How far in advance should I book a flight to Knoxville?
You are more likely to see cheaper flights to Knoxville from London Heathrow Airport when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $903 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from London Heathrow Airport for as low as $697 on momondo.
When to book flights from London Heathrow Airport to Knoxville
Cheap London Heathrow Airport to Knoxville (LHR to TYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Knoxville
How far is London Heathrow to Knoxville McGhee Tyson by plane?
London Heathrow and Knoxville McGhee Tyson are 4065.6 mi apart from one another. By plane, this route typically takes 11h 53m.
When did momondo last update prices for flights from London Heathrow Airport to Knoxville McGhee Tyson Airport?
Prices for flights from London Heathrow Airport to Knoxville McGhee Tyson Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Knoxville McGhee Tyson Airport?
As of June 2025, there is 1 operator available to choose from for flights from London Heathrow Airport to Knoxville McGhee Tyson Airport.
How old do you have to be to fly from London Heathrow Airport to Knoxville McGhee Tyson Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London Heathrow Airport to Knoxville?
Based on momondo bookings for flights between London Heathrow Airport and Knoxville, the leading airline is British Airways, making up 100% of the total bookings.
Best airlines flying from London Heathrow Airport to Knoxville
Compare and see reviews for airlines that fly from London Heathrow Airport to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $850 | Free Cancellation | Rating 6.6 7,008 reviews |
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Knoxville?
Finding the right flight to Knoxville from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.
Can I find flights from London to Knoxville with flexible booking policies on momondo?
Yes. All flights to Knoxville from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Knoxville?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Knoxville from London.
I’m not ready to book a flight from London to Knoxville right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Knoxville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knoxville and let you know when they change.