How often are flights from Knoxville to London delayed?

Historically, on average around 0% of flights between Knoxville and London have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Which layover airport has the shortest travel time from Knoxville to London?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 9h 58m.

Which airport is the most popular layover for flights between Knoxville and London?

Atlanta (ATL) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Knoxville to London?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $900.

What is the most punctual flight time for Knoxville to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Which layover airport has the shortest connection time from Knoxville to London?

Charlotte (CLT) has the shortest average layover time for this route: 1h 02m.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

What airlines fly to London?

American Airlines, Delta and British Airways are the top three most popular airlines that fly to London from Knoxville according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Knoxville McGhee Tyson to London?

United Airlines, Delta, and British Airways are the most popular carriers operating from Knoxville McGhee Tyson to London

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to London?

Prices for flights from Knoxville McGhee Tyson Airport to London are updated daily.

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to London?

As of August 2026, there are 5 operators available to choose from for flights from Knoxville McGhee Tyson Airport to London.

How old do you have to be to fly from Knoxville McGhee Tyson Airport to London?

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 Knoxville McGhee Tyson Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London 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 London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$335 Cheap Flights from Knoxville to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to London

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7:00 am - 10:00 amTYS Knoxville McGhee Tyson-LGW London Gatwick

22h 00m1 stop Orlando

11:00 am - 12:14 pmLGW London Gatwick-TYS Knoxville McGhee Tyson

29h 14m1 stop Orlando

$671Multiple Airlines

Mon, Oct 19 - Thu, Oct 29

7:00 am - 10:00 amTYS Knoxville McGhee Tyson-LGW London Gatwick

22h 00m1 stop Orlando

11:00 am - 12:14 pmLGW London Gatwick-TYS Knoxville McGhee Tyson

29h 14m1 stop Orlando

$685Multiple Airlines

Mon, Oct 19 - Thu, Oct 29

3:45 pm - 10:15 amTYS Knoxville McGhee Tyson-LHR London Heathrow

13h 30m1 stop Houston George Bush Intcntl

6:50 am - 4:59 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

15h 09m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$775United Airlines

Mon, Nov 16 - Wed, Nov 18

1:55 pm - 9:10 amTYS Knoxville McGhee Tyson-LHR London Heathrow

14h 15m2 stops Washington, D.C. Dulles Intl Newark

6:50 am - 7:36 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

17h 46m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$780United Airlines

Mon, Nov 16 - Wed, Nov 18

4:49 pm - 9:25 amTYS Knoxville McGhee Tyson-LHR London Heathrow

11h 36m1 stop Charlotte Douglas

11:45 am - 7:32 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

11h 47m1 stop Charlotte Douglas

$916American Airlines

Mon, Oct 19 - Thu, Oct 29

3:46 pm - 9:25 amTYS Knoxville McGhee Tyson-LHR London Heathrow

12h 39m1 stop Charlotte Douglas

3:00 pm - 9:49 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

11h 49m1 stop Charlotte Douglas

$916American Airlines

Tue, Oct 6 - Thu, Oct 22

11:50 am - 7:05 amTYS Knoxville McGhee Tyson-LHR London Heathrow

14h 15m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

8:40 am - 9:28 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

17h 48m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$925Delta

Mon, Nov 2 - Wed, Nov 11

6:13 pm - 1:45 pmTYS Knoxville McGhee Tyson-LHR London Heathrow

14h 32m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:30 am - 6:47 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

17h 17m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$927Delta

Tue, Sep 29 - Thu, Oct 8

4:11 pm - 12:05 pmTYS Knoxville McGhee Tyson-LHR London Heathrow

14h 54m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

6:20 am - 6:47 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

16h 27m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$933Virgin Atlantic

Mon, Oct 19 - Thu, Oct 29

12:23 pm - 7:15 amTYS Knoxville McGhee Tyson-LHR London Heathrow

13h 52m1 stop Atlanta Hartsfield-Jackson

11:15 am - 11:55 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

17h 40m1 stop Atlanta Hartsfield-Jackson

$1,039Virgin Atlantic

Wed, Sep 16 - Sun, Sep 20

Cheap last minute flights

Enter your travel dates to find the best prices.

2:51 pm - 10:00 amTYS Knoxville McGhee Tyson-LGW London Gatwick

14h 09m1 stop Orlando

12:40 pm - 1:27 pmLGW London Gatwick-TYS Knoxville McGhee Tyson

53h 47m2 stops Toronto Pearson Intl Austin Bergstrom

$1,006Multiple Airlines

Mon, Aug 24 - Sat, Sep 19

6:52 pm - 12:15 pmTYS Knoxville McGhee Tyson-LHR London Heathrow

12h 23m1 stop Chicago O'Hare Intl

7:50 am - 11:46 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

20h 56m2 stops Madrid Barajas Chicago O'Hare Intl

$1,053Iberia

Tue, Aug 25 - Tue, Sep 1

1:56 pm - 6:55 amTYS Knoxville McGhee Tyson-LHR London Heathrow

11h 59m1 stop Charlotte Douglas

3:15 pm - 11:46 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

13h 31m1 stop Chicago O'Hare Intl

$1,087American Airlines

Tue, Aug 25 - Tue, Sep 1

11:08 am - 8:40 amTYS Knoxville McGhee Tyson-LGW London Gatwick

16h 32m2 stops Philadelphia Tampa

10:45 am - 10:50 pmLGW London Gatwick-TYS Knoxville McGhee Tyson

17h 05m2 stops Orlando Charlotte Douglas

$1,127American Airlines

Mon, Aug 24 - Sat, Sep 19

6:52 pm - 12:15 pmTYS Knoxville McGhee Tyson-LHR London Heathrow

12h 23m1 stop Chicago O'Hare Intl

9:15 am - 5:31 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

13h 16m1 stop Charlotte Douglas

$1,146British Airways

Mon, Aug 24 - Sat, Sep 19

10:40 am - 9:00 amTYS Knoxville McGhee Tyson-LHR London Heathrow

17h 20m1 stop Chicago O'Hare Intl

6:50 am - 4:58 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

15h 08m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$1,319United Airlines

Tue, Aug 25 - Thu, Aug 27

7:20 pm - 10:40 amTYS Knoxville McGhee Tyson-LHR London Heathrow

10h 20m1 stop Washington, D.C. Dulles Intl

6:50 am - 8:24 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

18h 34m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$1,320United Airlines

Wed, Aug 26 - Fri, Aug 28

6:52 pm - 11:15 amTYS Knoxville McGhee Tyson-LHR London Heathrow

11h 23m1 stop Chicago O'Hare Intl

1:10 pm - 10:17 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

14h 07m1 stop Chicago O'Hare Intl

$1,479British Airways

Tue, Aug 25 - Thu, Aug 27

10:28 am - 6:20 amTYS Knoxville McGhee Tyson-LHR London Heathrow

14h 52m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

11:15 am - 6:57 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

12h 42m1 stop Atlanta Hartsfield-Jackson

$2,570Delta

Thu, Aug 27 - Wed, Sep 9

12:01 pm - 6:20 amTYS Knoxville McGhee Tyson-LHR London Heathrow

13h 19m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

11:15 am - 6:57 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

12h 42m1 stop Atlanta Hartsfield-Jackson

$2,572Delta

Thu, Aug 27 - Wed, Sep 9

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Iberia flights from Knoxville to London

Our best Iberia deals on Knoxville to London flight tickets

Iberia

Nov 10

TYS11:31 amKnoxville McGhee Tyson

16h 04m

1 stop

LHR8:35 amLondon Heathrow

Nov 17

LHR7:30 amLondon Heathrow

20h 21m

2 stops

TYS10:51 pmKnoxville McGhee Tyson

$856

Iberia

Nov 10

TYS11:31 amKnoxville McGhee Tyson

19h 34m

2 stops

LHR12:05 pmLondon Heathrow

Nov 17

LHR7:30 amLondon Heathrow

20h 21m

2 stops

TYS10:51 pmKnoxville McGhee Tyson

$864

Iberia

Oct 19

TYS11:35 amKnoxville McGhee Tyson

18h 15m

1 stop

LHR10:50 amLondon Heathrow

Oct 29

LHR7:30 amLondon Heathrow

20h 29m

2 stops

TYS11:59 pmKnoxville McGhee Tyson

$882

Delta flights from Knoxville to London

Our best Delta deals on Knoxville to London flight tickets

Delta

Sep 29

TYS6:13 pmKnoxville McGhee Tyson

14h 32m

2 stops

LHR1:45 pmLondon Heathrow

Oct 8

LHR6:30 amLondon Heathrow

17h 17m

2 stops

TYS6:47 pmKnoxville McGhee Tyson

$927

Delta

Oct 19

TYS12:06 pmKnoxville McGhee Tyson

14h 04m

2 stops

LHR7:10 amLondon Heathrow

Oct 29

LHR6:20 amLondon Heathrow

19h 17m

2 stops

TYS9:37 pmKnoxville McGhee Tyson

$932

Delta

Oct 19

TYS7:45 pmKnoxville McGhee Tyson

15h 15m

2 stops

LGW4:00 pmLondon Gatwick

Oct 29

LGW10:00 amLondon Gatwick

16h 22m

2 stops

TYS10:22 pmKnoxville McGhee Tyson

$934

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LGW London Gatwick

TYSLGW

Knoxville McGhee Tyson

Mon 10/19

7:00 am-10:00 am

1 stop22h 00m

London Gatwick

Thu 10/29

11:00 am-12:14 pm

1 stop29h 14m

$671

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LGW London Gatwick

TYSLGW

Knoxville McGhee Tyson

Mon 10/19

7:00 am-10:00 am

1 stop22h 00m

London Gatwick

Thu 10/29

11:00 am-12:14 pm

1 stop29h 14m

$685

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 11/16

3:45 pm-10:15 am

1 stop13h 30m

London Heathrow

Wed 11/18

6:50 am-4:59 pm

2 stops15h 09m

$775

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 11/16

1:55 pm-9:10 am

2 stops14h 15m

London Heathrow

Wed 11/18

6:50 am-7:36 pm

2 stops17h 46m

$780

Quickest round-trip

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 10/19

4:49 pm-9:25 am

1 stop11h 36m

London Heathrow

Thu 10/29

11:45 am-7:32 pm

1 stop11h 47m

$916

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Tue 10/6

3:46 pm-9:25 am

1 stop12h 39m

London Heathrow

Thu 10/22

3:00 pm-9:49 pm

1 stop11h 49m

$916

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 11/2

11:50 am-7:05 am

2 stops14h 15m

London Heathrow

Wed 11/11

8:40 am-9:28 pm

2 stops17h 48m

$925

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Tue 9/29

6:13 pm-1:45 pm

2 stops14h 32m

London Heathrow

Thu 10/8

6:30 am-6:47 pm

2 stops17h 17m

$927

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 10/19

4:11 pm-12:05 pm

2 stops14h 54m

London Heathrow

Thu 10/29

6:20 am-6:47 pm

2 stops16h 27m

$933

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Wed 9/16

12:23 pm-7:15 am

1 stop13h 52m

London Heathrow

Sun 9/20

11:15 am-11:55 pm

1 stop17h 40m

$1,039

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Knoxville to London

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

Prices

Airlines

Delays

Layovers

What is the typical price of a round-trip flight between Knoxville and London?

Prices are currently low for flights on this route.

Typical prices usually range from $770 to $1,163.
The lowest price recently found on this route was $665.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Knoxville is in February. Flight prices, which tend to average around $799, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Knoxville averaging around $814.

Can stopping save me money on Knoxville to London flights?

You could potentially save up to 30% on your flight if you consider stops on a Knoxville to London flight.

When to book flights from Knoxville to London

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

Estimated round-trip price

Cheap Knoxville to London (TYS to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to London

Best Price Found	$335
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to London from Knoxville in the past 72 hours is $335. The best round-trip flight deal from Knoxville to London found on momondo in the last 72 hours is $671.

The fastest flight from Knoxville to London takes 12h 20m

There are no direct flights from Knoxville to London. There are no popular flight routes from Knoxville to London.

Search flight deals

Frequently asked questions about flying from Knoxville to London

How far is Knoxville McGhee Tyson to London by plane?
A flight from Knoxville McGhee Tyson to London will travel around 4078.3 mi. In terms of flight time, this usually takes a little over 12h 20m.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to London?
Prices for flights from Knoxville McGhee Tyson Airport to London are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to London?
As of August 2026, there are 5 operators available to choose from for flights from Knoxville McGhee Tyson Airport to London.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to London?
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 Knoxville McGhee Tyson Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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 London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Knoxville to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Knoxville to London is British Airways (31% of total bookings). The next most popular airlines are American Airlines (23%), United Airlines (22%), and Delta (14%).

Best airlines flying from Knoxville to London

Compare and see reviews for airlines that fly from Knoxville to London with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $627	Free Cancellation	Rating 7.8 8,514 reviews	Search Delta flights
American Airlines	PriceFrom $674	Free Cancellation	Rating 7.1 11,981 reviews	Search American Airlines flights
United Airlines	PriceFrom $677	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
British Airways	PriceFrom $734	Free Cancellation	Rating 6.7 8,185 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $739	Free Cancellation	Rating 7.4 695 reviews	Search Virgin Atlantic flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Wembley

Croydon

Dover

Stansted

Richmond

Kingston upon Thames

Harrow

Watford

Cobham

Slough

Uxbridge

Eastbourne

Worthing

Romford

Ilford

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to London?

Finding the right flight to London from Knoxville 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 London quick and easy, saving you time and money.

Can I find flights from Knoxville to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Knoxville to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Knoxville to London?

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 London from Knoxville.

I’m not ready to book a flight from Knoxville to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Knoxville and alert you when they change.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Knoxville to London from $335

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to London departing on 9/20. 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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Iberia flights from Knoxville to London

Our best Iberia deals on Knoxville to London flight tickets

Delta flights from Knoxville to London

Our best Delta deals on Knoxville to London flight tickets

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How to get the cheapest flight ticket from Knoxville to London

What is the typical price of a round-trip flight between Knoxville and London?

What is the cheapest month to fly to London?

Can stopping save me money on Knoxville to London flights?

What is the cheapest airline that flies from Knoxville McGhee Tyson to London?

What airlines fly to London?

How often are flights from Knoxville to London delayed?

What is the most punctual flight time for Knoxville to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airport is the most popular layover for flights between Knoxville and London?

Which layover airport offers the lowest fares from Knoxville to London?

Which layover airport has the shortest travel time from Knoxville to London?

Which layover airport has the shortest connection time from Knoxville to London?

When to book flights from Knoxville to London

Cheap Knoxville to London (TYS to LON) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Knoxville to London

Best airlines flying from Knoxville to London

Compare and see reviews for airlines that fly from Knoxville to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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