Cheap Flights from London Heathrow to Knoxville from 665 €

Compare London Heathrow to Knoxville flight deals

Find the cheapest month or even day of the year to fly to Knoxville

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Flight deals from London Heathrow to Knoxville

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Knoxville? Find the lowest prices on one-way and return tickets right here.

Knoxville.665 € per passenger.Departing Mon, 17 Mar, returning Mon, 24 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from London Heathrow on Mon, 17 Mar, arriving in Knoxville.Inbound indirect flight with Delta, departs from Knoxville on Mon, 24 Mar, arriving in London Heathrow.Price includes taxes and charges.From 665 €, select.

Knoxville.673 € per passenger.Departing Mon, 5 May, returning Mon, 12 May.Return flight with Delta.Outbound indirect flight with Delta, departs from London Heathrow on Mon, 5 May, arriving in Knoxville.Inbound indirect flight with Delta, departs from Knoxville on Mon, 12 May, arriving in London Heathrow.Price includes taxes and charges.From 673 €, select.

Knoxville.700 € per passenger.Departing Tue, 2 Sep, returning Mon, 24 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from London Heathrow on Tue, 2 Sep, arriving in Knoxville.Inbound indirect flight with Delta, departs from Knoxville on Mon, 24 Nov, arriving in London Heathrow.Price includes taxes and charges.From 700 €, select.

Knoxville.722 € per passenger.Departing Sun, 31 Aug, returning Tue, 30 Sep.Return flight with Virgin Atlantic.Outbound indirect flight with Virgin Atlantic, departs from London Heathrow on Sun, 31 Aug, arriving in Knoxville.Inbound indirect flight with Virgin Atlantic, departs from Knoxville on Tue, 30 Sep, arriving in London Heathrow.Price includes taxes and charges.From 722 €, select.

Knoxville.722 € per passenger.Departing Sat, 13 Sep, returning Thu, 25 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Sat, 13 Sep, arriving in Knoxville.Inbound indirect flight with British Airways, departs from Knoxville on Thu, 25 Sep, arriving in London Heathrow.Price includes taxes and charges.From 722 €, select.

Knoxville.726 € per passenger.Departing Mon, 23 Jun, returning Mon, 30 Jun.Return flight with British Airways and Allegiant Air.Outbound indirect flight with British Airways, departs from London Heathrow on Mon, 23 Jun, arriving in Knoxville.Inbound indirect flight with Allegiant Air, departs from Knoxville on Mon, 30 Jun, arriving in London Heathrow.Price includes taxes and charges.From 726 €, select.

Knoxville.726 € per passenger.Departing Fri, 27 Jun, returning Mon, 14 Jul.Return flight with Vueling Airlines and Allegiant Air.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Fri, 27 Jun, arriving in Knoxville.Inbound indirect flight with Allegiant Air, departs from Knoxville on Mon, 14 Jul, arriving in London Heathrow.Price includes taxes and charges.From 726 €, select.

Knoxville.736 € per passenger.Departing Wed, 7 May, returning Thu, 5 Jun.Return flight with British Airways and Allegiant Air.Outbound indirect flight with British Airways, departs from London Heathrow on Wed, 7 May, arriving in Knoxville.Inbound indirect flight with Allegiant Air, departs from Knoxville on Thu, 5 Jun, arriving in London Heathrow.Price includes taxes and charges.From 736 €, select.

Find the cheapest month to fly from London Heathrow to Knoxville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Knoxville flights are currently cheapest in March.

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London Heathrow to Knoxville: Alternative routes

Compare routes from London Heathrow to Knoxville below. You may find an airport to fly into that's cheaper, faster, or easier than Knoxville.

London to Knoxville: Flight information

The things to know before you go.

Cheapest flight found	665 €
Cheapest month to fly	March

Finding cheap flights from London Heathrow to Knoxville: Frequently asked questions

How much are return flights from London Heathrow to Knoxville?

The best price we found for a return flight from London Heathrow to Knoxville is 665 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from London Heathrow to Knoxville?

Currently, there are no airlines that fly direct from London Heathrow to Knoxville. But we found flights with one or more stops from 665 €.

How many flights are there a week from London Heathrow to Knoxville?

As of March 2025, there are no flights flying from London Heathrow to Knoxville.

When is the cheapest time to fly from London Heathrow to Knoxville?

The cheapest month to fly from London Heathrow to Knoxville is usually March 2025.

Which upcoming date is cheapest to fly from London Heathrow Airport to Knoxville Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Knoxville Airport on Monday, 17 March 2025.

Can I get a direct flight from London Heathrow Airport to Knoxville Airport?

No airlines currently offer direct flights between London Heathrow Airport and Knoxville Airport. Most routes have one or more stops.

How can I find the best flight deal to Knoxville?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Knoxville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Knoxville?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Knoxville is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from London Heathrow Airport to Knoxville with?

Currently, Delta offers the cheapest flight tickets to Knoxville.

Travelling from London Heathrow Airport (LHR) to McGhee Tyson Airport (TYS): what you need to know

Longer lines at security and check-in are likely if you're flying during high season, so allow even more breathing space. A good rule for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.
We make it simple to book a flight with a stopover. To see all the options for flights from London Heathrow Airport to McGhee Tyson Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Some popular stopovers between LHR and TYS include:
- Charlotte Douglas International Airport
- Hartsfield-Jackson Atlanta International Airport
- Washington Dulles International Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to McGhee Tyson Airport (TYS)

290 € is the lowest price for a one-way ticket from London Heathrow Airport to McGhee Tyson Airport. A return flight starts at 665 €. These fares may change based on availability and demand.
It's usually best to book early if you want to find cheap tickets from LHR to TYS. That's because airlines change prices based on demand, which tends to increase closer to departure.
The 'Whole month' tool shows you the cheapest tickets from London Heathrow Airport to McGhee Tyson Airport across the month. It's a good way to find a bargain if your plans aren't set in stone.
Sign into your online account or use the app to set up a Price Alert. We'll let you know right away if there's a better deal on this route. It's easy to do, and it'll save you time checking for cheap tickets from LHR to TYS every day.
Use filters to find the perfect journey for you. To see the 'Fastest,' 'Cheapest' or 'Best' flights from London Heathrow Airport to McGhee Tyson Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about London Heathrow Airport (LHR)

Located around 31 kilometres from the centre of London, London Heathrow Airport can be reached in approximately 57 minutes by car (depending on traffic). The journey by public transport will take roughly 1 hour and 1 minute.
After a handy hotel close to LHR? If you've booked an early flight from London Heathrow Airport to McGhee Tyson Airport, these stays will have you moments from your departure gate:

Arriving at McGhee Tyson Airport (TYS)

The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from London Heathrow Airport to McGhee Tyson Airport. Book one of these accommodation options near TYS instead:

Getting from McGhee Tyson Airport (TYS) to central Knoxville

McGhee Tyson Airport is approximately 23 kilometres from the centre of Knoxville. With your own car rental or in a cab, the drive is around 19 minutes.

When to fly to McGhee Tyson Airport (TYS)

The quietest month for a flight from London Heathrow Airport to McGhee Tyson Airport is February, while July is the most popular. Choose the ideal time to visit Knoxville based on whether you prefer a laid-back vibe or a more bustling atmosphere.
Book your flight from London Heathrow Airport to McGhee Tyson Airport for July if you want to explore Knoxville during its warmest month. You can expect temperatures of between 17ºC and 32ºC.
January has average temperatures of between -6ºC and 11ºC. Search for cheap tickets from LHR to TYS around that time if you want to travel in cooler conditions.

More about Knoxville

As soon as you've booked your flights from LHR to TYS, you'll need to find a place to stay in Knoxville. Make one of these accommodation options your base for exploring this top destination:
There are so many things to explore in this city it can be hard to know where to begin. Market Square, Sunsphere and World's Fair Park are top sights which should feature on any well-planned Knoxville itinerary.

Complete your Knoxville trip with hotels and a car rental

Once you've secured your cheap ticket to McGhee Tyson Airport, browse the lowest prices and exclusive rates for hotels. You can also compare a range of car rental companies in one go to get the best car rental price for your Knoxville holiday.