Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Knoxville from £380

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Knoxville

Cheap return flights

Lufthansa Logo
07:40 - 20:20LHR-TYS
16h 40m2 stops
Lufthansa Logo
13:52 - 05:55TYS-LHR
11h 03m1 stop
£443Lufthansa
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Lufthansa Logo
12:05 - 23:59LHR-TYS
15h 54m1 stop
Lufthansa Logo
14:25 - 10:50TYS-LHR
15h 25m1 stop
£452Lufthansa
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Virgin Atlantic Logo
08:55 - 20:06LHR-TYS
16h 11m1 stop
Virgin Atlantic Logo
15:56 - 10:50TYS-LHR
13h 54m2 stops
£458Virgin Atlantic
Find Deal
Wed, 12 Nov - Tue, 16 Dec
Virgin Atlantic Logo
13:00 - 20:00LHR-TYS
12h 00m1 stop
Virgin Atlantic Logo
06:29 - 07:05TYS-LHR
19h 36m1 stop
£458Virgin Atlantic
Find Deal
Wed, 12 Nov - Tue, 16 Dec
British Airways Logo
08:25 - 20:44LHR-TYS
16h 19m2 stops
British Airways Logo
15:17 - 07:20TYS-LHR
11h 03m1 stop
£460British Airways
Find Deal
Wed, 29 Oct - Wed, 5 Nov
United Airlines Logo
06:35 - 14:43LHR-TYS
36h 08m2 stops
United Airlines Logo
09:50 - 05:55TYS-LHR
15h 05m2 stops
£464United Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Multiple Airlines Logo
12:05 - 20:20LHR-TYS
12h 15m1 stop
Multiple Airlines Logo
13:52 - 07:55TYS-LHR
13h 03m1 stop
£465Multiple Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
United Airlines Logo
09:30 - 10:05LHR-TYS
28h 35m2 stops
United Airlines Logo
09:50 - 06:40TYS-LHR
15h 50m1 stop
£466United Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
09:30 - 22:50LHR-TYS
18h 20m2 stops
Multiple Airlines Logo
09:55 - 06:30TYS-LHR
15h 35m3 stops
£497Multiple Airlines
Find Deal
Fri, 3 Oct - Tue, 7 Oct
British Airways Logo
12:30 - 20:44LHR-TYS
13h 14m1 stop
British Airways Logo
17:17 - 09:05TYS-LHR
10h 48m1 stop
£559British Airways
Find Deal
Tue, 14 Oct - Tue, 21 Oct

Lufthansa flights from London Heathrow Airport to Knoxville

Our best Lufthansa deals on London Heathrow Airport to Knoxville flight tickets
Lufthansa
29 Oct
LHR07:40London Heathrow
16h 40m
2 stops
TYS20:20Knoxville McGhee Tyson
5 Nov
TYS13:52Knoxville McGhee Tyson
11h 03m
1 stop
LHR05:55London Heathrow
£443
Find similar
Lufthansa
29 Oct
LHR12:05London Heathrow
15h 54m
1 stop
TYS23:59Knoxville McGhee Tyson
5 Nov
TYS14:25Knoxville McGhee Tyson
15h 25m
1 stop
LHR10:50London Heathrow
£452
Find similar
Lufthansa
6 Mar
LHR06:35London Heathrow
17h 07m
2 stops
TYS18:42Knoxville McGhee Tyson
10 Mar
TYS14:00Knoxville McGhee Tyson
13h 55m
1 stop
LHR07:55London Heathrow
£463
Find similar

Scandinavian Airlines flights from London Heathrow Airport to Knoxville

Our best Scandinavian Airlines deals on London Heathrow Airport to Knoxville flight tickets
Scandinavian Airlines
14 Oct
LHR06:40London Heathrow
21h 27m
3 stops
TYS23:07Knoxville McGhee Tyson
21 Oct
TYS15:48Knoxville McGhee Tyson
19h 12m
2 stops
LHR16:00London Heathrow
£830
Find similar
Scandinavian Airlines
20 Nov
LHR07:05London Heathrow
21h 47m
3 stops
TYS23:52Knoxville McGhee Tyson
28 Nov
TYS15:51Knoxville McGhee Tyson
19h 09m
2 stops
LHR16:00London Heathrow
£892
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Knoxville 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, momondo users made 279,928 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 29/10

07:40-20:20

2 stops16h 40m

Knoxville McGhee Tyson

Wed 5/11

13:52-05:55

1 stop11h 03m

£443

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 29/10

12:05-23:59

1 stop15h 54m

Knoxville McGhee Tyson

Wed 5/11

14:25-10:50

1 stop15h 25m

£452

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 12/11

08:55-20:06

1 stop16h 11m

Knoxville McGhee Tyson

Tue 16/12

15:56-10:50

2 stops13h 54m

£458

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 12/11

13:00-20:00

1 stop12h 00m

Knoxville McGhee Tyson

Tue 16/12

06:29-07:05

1 stop19h 36m

£458

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 29/10

08:25-20:44

2 stops16h 19m

Knoxville McGhee Tyson

Wed 5/11

15:17-07:20

1 stop11h 03m

£460

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 29/10

06:35-14:43

2 stops36h 08m

Knoxville McGhee Tyson

Wed 5/11

09:50-05:55

2 stops15h 05m

£464

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 29/10

12:05-20:20

1 stop12h 15m

Knoxville McGhee Tyson

Wed 5/11

13:52-07:55

1 stop13h 03m

£465

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 31/10

09:30-10:05

2 stops28h 35m

Knoxville McGhee Tyson

Fri 7/11

09:50-06:40

1 stop15h 50m

£466

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 3/10

09:30-22:50

2 stops18h 20m

Knoxville McGhee Tyson

Tue 7/10

09:55-06:30

3 stops15h 35m

£497

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 14/10

12:30-20:44

1 stop13h 14m

Knoxville McGhee Tyson

Tue 21/10

17:17-09:05

1 stop10h 48m

£559

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Knoxville from

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 typical price of a round-trip flight between London Heathrow Airport and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of September is, on average, the cheapest month to fly to Knoxville from London Heathrow Airport, with most prices found around £522. If you aren’t able to travel to Knoxville during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £542.

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 £572. 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 £676. 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 £557 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 £626 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 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around £655 when searching weeks before you fly. 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 £528 on momondo.

Can stopping save me money on London Heathrow Airport to Knoxville flights?

You could potentially save up to 20% on your flight if you consider stops on a London Heathrow Airport to Knoxville flight.

When to book flights from London Heathrow Airport to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Direct flights

None
There are no direct flights from London Heathrow Airport to Knoxville. There are no popular flight routes from London Heathrow Airport to Knoxville.
Search flight deals

  • 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 37m.

  • 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?

  • 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?

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
LufthansaPriceFrom £459Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
British AirwaysPriceFrom £468Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
United AirlinesPriceFrom £479Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £502Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £502Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
IberiaPriceFrom £555Free CancellationRating
7.0
2,924 reviews
Search Iberia flights
American AirlinesPriceFrom £578Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Travelling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Newport

Why 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.

An easier way to manage your Knoxville trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 17/10
Fri 24/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States