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Cheap flights from Knoxville to London from $339

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 1/8. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 10:55 amTYS-LGW
24h 25m2 stops
Multiple Airlines Logo
6:50 am - 11:55 amLGW-TYS
33h 05m3 stops
$918Multiple Airlines
Find Deal
Sun, Mar 8 - Sun, Mar 15
American Airlines Logo
9:52 am - 7:30 amTYS-LGW
16h 38m2 stops
American Airlines Logo
11:20 am - 9:45 amLGW-TYS
27h 25m2 stops
$955American Airlines
Find Deal
Tue, Dec 23 - Thu, Jan 8
American Airlines Logo
6:58 am - 7:30 amTYS-LGW
20h 32m2 stops
American Airlines Logo
2:30 pm - 5:32 pmLGW-TYS
32h 02m2 stops
$975American Airlines
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Fri, Mar 27 - Tue, Mar 31
Multiple Airlines Logo
5:44 pm - 10:00 amTYS-LGW
35h 16m2 stops
Multiple Airlines Logo
2:00 pm - 10:15 amLGW-TYS
25h 15m1 stop
$1,000Multiple Airlines
Find Deal
Wed, Dec 24 - Thu, Jan 1
Multiple Airlines Logo
6:00 am - 10:00 amTYS-LGW
23h 00m1 stop
Multiple Airlines Logo
2:00 pm - 10:15 amLGW-TYS
25h 15m1 stop
$1,026Multiple Airlines
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Mon, Dec 29 - Thu, Jan 1
Multiple Airlines Logo
9:08 am - 9:45 amTYS-LGW
43h 37m2 stops
Multiple Airlines Logo
2:00 pm - 5:28 pmLGW-TYS
32h 28m1 stop
$1,039Multiple Airlines
Find Deal
Tue, Dec 23 - Thu, Jan 8
Multiple Airlines Logo
10:15 am - 10:55 amTYS-LGW
19h 40m2 stops
Multiple Airlines Logo
6:40 pm - 9:49 pmLGW-TYS
32h 09m3 stops
$1,044Multiple Airlines
Find Deal
Sat, Nov 29 - Sun, Dec 7
Ethiopian Air Logo
5:45 am - 5:40 amTYS-LGW
42h 55m2 stops
Ethiopian Air Logo
10:00 am - 2:48 pmLGW-TYS
33h 48m3 stops
$3,058Ethiopian Air
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Tue, Dec 23 - Mon, Dec 29
Ethiopian Air Logo
2:00 pm - 5:40 amTYS-LGW
58h 40m2 stops
Ethiopian Air Logo
10:00 am - 2:48 pmLGW-TYS
33h 48m3 stops
$3,216Ethiopian Air
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Thu, Dec 25 - Tue, Dec 30
Ethiopian Air Logo
5:45 am - 5:40 amTYS-LGW
42h 55m2 stops
Ethiopian Air Logo
10:00 am - 2:48 pmLGW-TYS
33h 48m3 stops
$3,233Ethiopian Air
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Fri, Dec 26 - Thu, Jan 1

American Airlines flights from Knoxville to London Gatwick Airport

Our best American Airlines deals on Knoxville to London Gatwick Airport flight tickets
American Airlines
Dec 23
TYS9:52 amKnoxville McGhee Tyson
16h 38m
2 stops
LGW7:30 amLondon Gatwick
Jan 8
LGW11:20 amLondon Gatwick
27h 25m
2 stops
TYS9:45 amKnoxville McGhee Tyson
$955
Find similar
American Airlines
Mar 27
TYS6:58 amKnoxville McGhee Tyson
20h 32m
2 stops
LGW7:30 amLondon Gatwick
Mar 31
LGW2:30 pmLondon Gatwick
32h 02m
2 stops
TYS5:32 pmKnoxville McGhee Tyson
$975
Find similar

Ethiopian Air flights from Knoxville to London Gatwick Airport

Our best Ethiopian Air deals on Knoxville to London Gatwick Airport flight tickets
Ethiopian Air
Dec 23
TYS5:45 amKnoxville McGhee Tyson
42h 55m
2 stops
LGW5:40 amLondon Gatwick
Dec 29
LGW10:00 amLondon Gatwick
33h 48m
3 stops
TYS2:48 pmKnoxville McGhee Tyson
$3,058
Find similar
Ethiopian Air
Nov 7
TYS5:45 amKnoxville McGhee Tyson
42h 55m
2 stops
LGW5:40 amLondon Gatwick
Nov 9
LGW10:00 amLondon Gatwick
33h 43m
3 stops
TYS2:43 pmKnoxville McGhee Tyson
$3,108
Find similar
Ethiopian Air
Dec 25
TYS2:00 pmKnoxville McGhee Tyson
58h 40m
2 stops
LGW5:40 amLondon Gatwick
Dec 30
LGW10:00 amLondon Gatwick
33h 48m
3 stops
TYS2:48 pmKnoxville McGhee Tyson
$3,216
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to London Gatwick Airport 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 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Knoxville to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sun 3/8

6:30 am-10:55 am

2 stops24h 25m

London Gatwick

Sun 3/15

6:50 am-11:55 am

3 stops33h 05m

$918

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Tue 12/23

9:52 am-7:30 am

2 stops16h 38m

London Gatwick

Thu 1/8

11:20 am-9:45 am

2 stops27h 25m

$955

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Fri 3/27

6:58 am-7:30 am

2 stops20h 32m

London Gatwick

Tue 3/31

2:30 pm-5:32 pm

2 stops32h 02m

$975

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Wed 12/24

5:44 pm-10:00 am

2 stops35h 16m

London Gatwick

Thu 1/1

2:00 pm-10:15 am

1 stop25h 15m

$1,000

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Mon 12/29

6:00 am-10:00 am

1 stop23h 00m

London Gatwick

Thu 1/1

2:00 pm-10:15 am

1 stop25h 15m

$1,026

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Tue 12/23

9:08 am-9:45 am

2 stops43h 37m

London Gatwick

Thu 1/8

2:00 pm-5:28 pm

1 stop32h 28m

$1,039

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sat 11/29

10:15 am-10:55 am

2 stops19h 40m

London Gatwick

Sun 12/7

6:40 pm-9:49 pm

3 stops32h 09m

$1,044

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Tue 12/23

5:45 am-5:40 am

2 stops42h 55m

London Gatwick

Mon 12/29

10:00 am-2:48 pm

3 stops33h 48m

$3,058

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Thu 12/25

2:00 pm-5:40 am

2 stops58h 40m

London Gatwick

Tue 12/30

10:00 am-2:48 pm

3 stops33h 48m

$3,216

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Fri 12/26

5:45 am-5:40 am

2 stops42h 55m

London Gatwick

Thu 1/1

10:00 am-2:48 pm

3 stops33h 48m

$3,233

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Knoxville to London Gatwick 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

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from Knoxville at noon is the least expensive time of day to depart. momondo users have found prices as low as $580 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $955 per ticket.

When to book flights from Knoxville to London Gatwick Airport

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

Cheap Knoxville to London Gatwick Airport (TYS to LGW) flight deals and tips

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

Direct flights

None
There are no direct flights from Knoxville to London Gatwick Airport. There are no popular flight routes from Knoxville to London Gatwick Airport.
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  • How far is Knoxville McGhee Tyson to London Gatwick by plane?

    The distance between Knoxville McGhee Tyson and London Gatwick is about 4084.4 mi. A reasonable flight in good conditions will take 15h 32m.

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

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

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

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

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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford
Harrow

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Knoxville to London. Millions of users trust and use momondo every year so you are in good hands.

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?

Yes. momondo can track prices for Knoxville to London 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.

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