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

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 10h 07m.

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

Charlotte (CLT) has the shortest average layover time for this route: 1h 06m.

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

Flights via Atlanta (ATL) offer the lowest average round-trip price of $1,312.

What airlines fly to London Heathrow Airport?

American Airlines, Delta and British Airways are the top three most popular airlines that fly to London Heathrow Airport 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 Heathrow Airport. Keep in mind that there are 5 different airlines that fly to London Heathrow Airport 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 Heathrow?

Aer Lingus and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to London Heathrow

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

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

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

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

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

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

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

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

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

$392 Cheap Flights from Knoxville to London Heathrow Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to London

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7:10 am - 7:50 amTYS Knoxville McGhee Tyson-LHR London Heathrow

19h 40m1 stop Atlanta Hartsfield-Jackson

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

17h 48m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$866Delta

Tue, Dec 8 - Tue, Dec 15

10:30 am - 7:45 amTYS Knoxville McGhee Tyson-LHR London Heathrow

16h 15m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

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

17h 48m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$871Delta

Tue, Dec 8 - Tue, Dec 15

11:35 am - 10:50 amTYS Knoxville McGhee Tyson-LHR London Heathrow

18h 15m1 stop Chicago O'Hare Intl

7:30 am - 11:59 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

20h 29m2 stops Madrid Barajas Chicago O'Hare Intl

$882Iberia

Mon, Oct 19 - Thu, Oct 29

11:31 am - 10:25 amTYS Knoxville McGhee Tyson-LHR London Heathrow

17h 54m1 stop Chicago O'Hare Intl

6:15 am - 11:47 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

22h 32m2 stops Madrid Barajas Chicago O'Hare Intl

$882Iberia

Mon, Nov 2 - Wed, Nov 11

1:10 pm - 6:55 amTYS Knoxville McGhee Tyson-LHR London Heathrow

12h 45m1 stop Washington, D.C. Dulles Intl

6:50 am - 5:08 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

15h 18m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$886United Airlines

Tue, Sep 22 - Tue, Sep 29

6:03 pm - 11:55 amTYS Knoxville McGhee Tyson-LHR London Heathrow

12h 52m1 stop Chicago O'Hare Intl

6:50 am - 11:59 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

22h 09m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$886United Airlines

Wed, Sep 30 - Wed, Oct 7

2:40 pm - 6:25 amTYS Knoxville McGhee Tyson-LHR London Heathrow

10h 45m1 stop Atlanta Hartsfield-Jackson

8:55 am - 10:22 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

18h 27m1 stop Atlanta Hartsfield-Jackson

$896Virgin Atlantic

Tue, Dec 8 - Tue, Dec 15

4:57 pm - 11:35 amTYS Knoxville McGhee Tyson-LHR London Heathrow

13h 38m1 stop Chicago O'Hare Intl

11:00 am - 6:43 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

12h 43m1 stop Chicago O'Hare Intl

$914British Airways

Tue, Feb 9 - Tue, Mar 2

11:43 am - 7:45 amTYS Knoxville McGhee Tyson-LHR London Heathrow

15h 02m1 stop Detroit Metropolitan Wayne County

11:45 am - 9:28 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

14h 43m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$916Virgin Atlantic

Thu, Nov 12 - Tue, Nov 24

3:41 pm - 6:55 amTYS Knoxville McGhee Tyson-LHR London Heathrow

10h 14m1 stop Charlotte Douglas

11:45 am - 9:49 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

14h 04m1 stop Charlotte Douglas

$924British Airways

Mon, Oct 19 - Thu, Oct 29

Cheap last minute flights

Enter your travel dates to find the best prices.

7:20 pm - 5:05 pmTYS Knoxville McGhee Tyson-LHR London Heathrow

16h 45m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

10:50 am - 11:59 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

18h 09m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$1,043Lufthansa

Wed, Aug 19 - Wed, Sep 2

7:20 pm - 5:05 pmTYS Knoxville McGhee Tyson-LHR London Heathrow

16h 45m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

10:50 am - 11:59 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

18h 09m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$1,044Lufthansa

Wed, Aug 19 - Wed, Sep 2

7:20 pm - 3:40 pmTYS Knoxville McGhee Tyson-LHR London Heathrow

15h 20m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

8:30 am - 8:24 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

16h 54m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,053Lufthansa

Wed, Aug 19 - Wed, Sep 2

7:20 pm - 3:40 pmTYS Knoxville McGhee Tyson-LHR London Heathrow

15h 20m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

9:30 am - 8:24 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

15h 54m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,053Lufthansa

Wed, Aug 19 - Wed, Sep 2

1:00 pm - 6:30 amTYS Knoxville McGhee Tyson-LHR London Heathrow

12h 30m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl

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

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

$1,060United Airlines

Wed, Aug 19 - Wed, Sep 2

1:21 pm - 7:55 amTYS Knoxville McGhee Tyson-LHR London Heathrow

13h 34m1 stop Chicago O'Hare Intl

9:15 am - 6:04 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

13h 49m1 stop Philadelphia

$1,086American Airlines

Wed, Aug 19 - Wed, Sep 2

1:21 pm - 7:55 amTYS Knoxville McGhee Tyson-LHR London Heathrow

13h 34m1 stop Chicago O'Hare Intl

9:15 am - 6:04 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

13h 49m1 stop Philadelphia

$1,087American Airlines

Wed, Aug 19 - Wed, Sep 2

4:22 pm - 9:05 amTYS Knoxville McGhee Tyson-LHR London Heathrow

11h 43m1 stop Charlotte Douglas

12:15 pm - 10:17 pmLHR London Heathrow-TYS Knoxville McGhee Tyson

15h 02m1 stop Chicago O'Hare Intl

$1,136American Airlines

Thu, Aug 20 - Thu, Aug 27

1:00 pm - 6:55 amTYS Knoxville McGhee Tyson-LHR London Heathrow

12h 55m1 stop Washington, D.C. Dulles Intl

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

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

$1,346United Airlines

Wed, Aug 19 - Fri, Aug 21

6:02 pm - 11:55 amTYS Knoxville McGhee Tyson-LHR London Heathrow

12h 53m1 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

$1,419United Airlines

Thu, Aug 20 - Sat, Aug 22

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Delta flights from Knoxville to London Heathrow Airport

Our best Delta deals on Knoxville to London Heathrow Airport flight tickets

Delta

Dec 8

TYS7:10 amKnoxville McGhee Tyson

19h 40m

1 stop

LHR7:50 amLondon Heathrow

Dec 15

LHR8:40 amLondon Heathrow

17h 48m

2 stops

TYS9:28 pmKnoxville McGhee Tyson

$866

Delta

Dec 8

TYS10:30 amKnoxville McGhee Tyson

16h 15m

2 stops

LHR7:45 amLondon Heathrow

Dec 15

LHR8:40 amLondon Heathrow

17h 48m

2 stops

TYS9:28 pmKnoxville McGhee Tyson

$871

Delta

Nov 1

TYS4:11 pmKnoxville McGhee Tyson

14h 29m

1 stop

LHR11:40 amLondon Heathrow

Nov 11

LHR10:00 amLondon Heathrow

15h 09m

2 stops

TYS8:09 pmKnoxville McGhee Tyson

$920

Iberia flights from Knoxville to London Heathrow Airport

Our best Iberia deals on Knoxville to London Heathrow Airport flight tickets

Iberia

Nov 2

TYS11:31 amKnoxville McGhee Tyson

17h 54m

1 stop

LHR10:25 amLondon Heathrow

Nov 11

LHR6:15 amLondon Heathrow

22h 32m

2 stops

TYS11:47 pmKnoxville McGhee Tyson

$882

Iberia

Nov 2

TYS11:31 amKnoxville McGhee Tyson

17h 54m

1 stop

LHR10:25 amLondon Heathrow

Nov 11

LHR11:00 amLondon Heathrow

17h 47m

1 stop

TYS11:47 pmKnoxville McGhee Tyson

$888

Iberia

Sep 26

TYS8:15 pmKnoxville McGhee Tyson

33h 20m

2 stops

LHR10:35 amLondon Heathrow

Oct 6

LHR2:45 pmLondon Heathrow

14h 14m

1 stop

TYS11:59 pmKnoxville McGhee Tyson

$928

momondo Fare Finder

Use the filters below to find and compare flights from Knoxville to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Tue 12/8

7:10 am-7:50 am

1 stop19h 40m

London Heathrow

Tue 12/15

8:40 am-9:28 pm

2 stops17h 48m

$866

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Tue 12/8

10:30 am-7:45 am

2 stops16h 15m

London Heathrow

Tue 12/15

8:40 am-9:28 pm

2 stops17h 48m

$871

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 10/19

11:35 am-10:50 am

1 stop18h 15m

London Heathrow

Thu 10/29

7:30 am-11:59 pm

2 stops20h 29m

$882

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 11/2

11:31 am-10:25 am

1 stop17h 54m

London Heathrow

Wed 11/11

6:15 am-11:47 pm

2 stops22h 32m

$882

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Tue 9/22

1:10 pm-6:55 am

1 stop12h 45m

London Heathrow

Tue 9/29

6:50 am-5:08 pm

2 stops15h 18m

$886

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Wed 9/30

6:03 pm-11:55 am

1 stop12h 52m

London Heathrow

Wed 10/7

6:50 am-11:59 pm

2 stops22h 09m

$886

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Tue 12/8

2:40 pm-6:25 am

1 stop10h 45m

London Heathrow

Tue 12/15

8:55 am-10:22 pm

1 stop18h 27m

$896

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Tue 2/9

4:57 pm-11:35 am

1 stop13h 38m

London Heathrow

Tue 3/2

11:00 am-6:43 pm

1 stop12h 43m

$914

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Thu 11/12

11:43 am-7:45 am

1 stop15h 02m

London Heathrow

Tue 11/24

11:45 am-9:28 pm

2 stops14h 43m

$916

Quickest round-trip

KnoxvilleLondon

TYS Knoxville McGhee Tyson - LHR London Heathrow

TYSLHR

Knoxville McGhee Tyson

Mon 10/19

3:41 pm-6:55 am

1 stop10h 14m

London Heathrow

Thu 10/29

11:45 am-9:49 pm

1 stop14h 04m

$924

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 Heathrow Airport

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

Layovers

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

Prices are currently low for flights on this route.

Typical prices usually range from $936 to $1,198.
The lowest price recently found on this route was $866.

What is the cheapest month to fly to London Heathrow Airport?

The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Knoxville, with most prices found around $841. If you’re not able to fly to London Heathrow Airport in April, then January is your next best option. Flight prices from Knoxville to London Heathrow Airport during January average around $855.

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

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

When to book flights from Knoxville to London Heathrow Airport

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

Estimated round-trip price

Cheap Knoxville to London Heathrow Airport (TYS to LHR) flight deals and tips

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

Best Price Found	$392
Fastest flight time	10h 15m
Direct flights	None

The best one-way flight to London Heathrow Airport from Knoxville in the past 72 hours is $392. The best round-trip flight deal from Knoxville to London Heathrow Airport found on momondo in the last 72 hours is $866.

The fastest flight from Knoxville to London Heathrow Airport takes 10h 15m

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

Search flight deals

Frequently asked questions about flying from Knoxville to London Heathrow Airport

How far is Knoxville McGhee Tyson to London Heathrow by plane?
London Heathrow is 4065.6 mi away from Knoxville McGhee Tyson. In terms of flight time, this usually takes a little over 10h 15m.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport?
Prices for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport?
As of August 2026, there are 5 operators available to choose from for flights from Knoxville McGhee Tyson Airport to London Heathrow Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to London Heathrow 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 Knoxville McGhee Tyson Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow 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 London Heathrow 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 Knoxville to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Knoxville to London Heathrow Airport is British Airways (31% of total bookings). The next most popular airlines are American Airlines (29%), Delta (21%), and United Airlines (11%).

Best airlines flying from Knoxville to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $624	Free Cancellation	Rating 7.8 8,501 reviews	Search Delta flights
American Airlines	PriceFrom $674	Free Cancellation	Rating 7.1 11,953 reviews	Search American Airlines flights
United Airlines	PriceFrom $677	Free Cancellation	Rating 7.4 10,100 reviews	Search United Airlines flights
British Airways	PriceFrom $734	Free Cancellation	Rating 6.7 8,174 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $739	Free Cancellation	Rating 7.5 692 reviews	Search Virgin Atlantic flights

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Wembley

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Richmond

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Cobham

Slough

Uxbridge

Eastbourne

Worthing

Romford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to London for you.

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?

Price alerts on flights to London from Knoxville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Flights to London Gatwick Airportfrom $403

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Cheap flights from Knoxville to London from $392

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 10/28. 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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Delta flights from Knoxville to London Heathrow Airport

Our best Delta deals on Knoxville to London Heathrow Airport flight tickets

Iberia flights from Knoxville to London Heathrow Airport

Our best Iberia deals on Knoxville to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Knoxville to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Knoxville to London Heathrow Airport

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

What is the cheapest month to fly to London Heathrow Airport?

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

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

What airlines fly to London Heathrow Airport?

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

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

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

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

When to book flights from Knoxville to London Heathrow Airport

Cheap Knoxville to London Heathrow Airport (TYS to LHR) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Knoxville to London Heathrow Airport

Best airlines flying from Knoxville to London Heathrow Airport

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport 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 London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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