Cheap flights from London Heathrow Airport to Knoxville from £414
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 30/7. 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 £545. If you aren’t able to travel to Knoxville during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £554.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart on your flight to Knoxville is on a Monday when prices can be found for as low as £575. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £678. These prices are subject to change though, so be sure to set up a Price Alert for flights to Knoxville.
What is the cheapest time of day to depart on your flight to Knoxville?
Flying to Knoxville from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £559 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £628 on average. Flights to Knoxville from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
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 £665 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 £513 on momondo.
What is the cheapest airline that flies from London Heathrow to Knoxville McGhee Tyson?
Aer Lingus, British Airways, and WestJet are the most popular carriers operating from London Heathrow to Knoxville McGhee Tyson
Which airlines fly to Knoxville?
Finnair, Virgin Atlantic and British Airways are the top three most popular airlines that fly to Knoxville from London Heathrow Airport according to our data. Finnair is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Knoxville. Keep in mind that there are 8 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.
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?
The distance between London Heathrow and Knoxville McGhee Tyson is about 4065.6 mi. A reasonable flight in good conditions will take 11h 35m.
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 are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Knoxville McGhee Tyson Airport?
As of June 2025, there are 6 operators 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from London Heathrow Airport to Knoxville?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Knoxville is Finnair, representing 38% of all bookings. The subsequent popular airlines are British Airways at 27%, Virgin Atlantic at 16%, and Lufthansa at 10%.
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 £489 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom £501 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £505 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom £509 | Free Cancellation | Rating 7.6 1,290 reviews | |||
| PriceFrom £534 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom £557 | Free Cancellation | Rating 7.0 2,776 reviews |
Travelling 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?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Knoxville . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Knoxville with flexible booking policies on momondo?
momondo does allow users to show only those flights to Knoxville from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Knoxville?
Once you have performed a search for London to Knoxville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Knoxville right now. Can momondo alert me if prices change?
Yes. momondo can track prices for London to Knoxville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.