Cheap flights from Knoxville to London from $236

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 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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7:15 am - 6:20 amTYS-LGW
18h 05m1 stop
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1:00 pm - 10:14 pmLGW-TYS
38h 14m2 stops
Fri, Oct 24 - Tue, Nov 11
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6:19 pm - 10:00 amTYS-LGW
34h 41m1 stop
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2:00 pm - 9:54 amLGW-TYS
24h 54m1 stop
Thu, Sep 25 - Thu, Oct 2
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6:19 pm - 10:00 amTYS-LGW
34h 41m1 stop
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2:00 pm - 9:54 amLGW-TYS
24h 54m1 stop
Thu, Sep 25 - Thu, Oct 2
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5:55 pm - 10:00 amTYS-LGW
35h 05m2 stops
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2:00 pm - 9:54 amLGW-TYS
24h 54m1 stop
Thu, Sep 25 - Thu, Oct 2
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5:55 pm - 6:20 amTYS-LGW
31h 25m2 stops
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2:00 pm - 9:54 amLGW-TYS
24h 54m1 stop
Thu, Sep 25 - Thu, Oct 2
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9:00 am - 10:00 amTYS-LGW
20h 00m1 stop
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2:00 pm - 4:41 pmLGW-TYS
31h 41m1 stop
Mon, Sep 29 - Tue, Oct 14
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12:24 pm - 9:50 amTYS-LGW
16h 26m2 stops
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2:00 pm - 7:42 pmLGW-TYS
34h 42m1 stop
Tue, Nov 25 - Fri, Dec 5
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9:00 am - 10:00 amTYS-LGW
20h 00m1 stop
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2:00 pm - 3:36 pmLGW-TYS
30h 36m2 stops
Mon, Sep 29 - Tue, Oct 14
American Airlines Logo
10:02 am - 7:50 amTYS-LGW
16h 48m2 stops
American Airlines Logo
10:40 am - 11:53 pmLGW-TYS
18h 13m2 stops
$860American Airlines
Find Deal
Sun, Oct 12 - Sun, Oct 19
American Airlines Logo
10:02 am - 8:35 amTYS-LGW
17h 33m2 stops
American Airlines Logo
12:20 pm - 11:53 pmLGW-TYS
16h 33m2 stops
$1,061American Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17

American Airlines flights from Knoxville to London Gatwick Airport

Our best American Airlines deals on Knoxville to London Gatwick Airport flight tickets
American Airlines
Oct 12
TYS10:02 amKnoxville McGhee Tyson
16h 48m
2 stops
LGW7:50 amLondon Gatwick
Oct 19
LGW10:40 amLondon Gatwick
18h 13m
2 stops
TYS11:53 pmKnoxville McGhee Tyson
American Airlines
Oct 10
TYS10:02 amKnoxville McGhee Tyson
17h 33m
2 stops
LGW8:35 amLondon Gatwick
Oct 17
LGW12:20 pmLondon Gatwick
16h 33m
2 stops
TYS11:53 pmKnoxville McGhee Tyson

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 August 28, 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

Fri 10/24

7:15 am-6:20 am

1 stop18h 05m

London Gatwick

Tue 11/11

1:00 pm-10:14 pm

2 stops38h 14m

$634

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Thu 9/25

6:19 pm-10:00 am

1 stop34h 41m

London Gatwick

Thu 10/2

2:00 pm-9:54 am

1 stop24h 54m

$649

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Thu 9/25

6:19 pm-10:00 am

1 stop34h 41m

London Gatwick

Thu 10/2

2:00 pm-9:54 am

1 stop24h 54m

$656

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Thu 9/25

5:55 pm-10:00 am

2 stops35h 05m

London Gatwick

Thu 10/2

2:00 pm-9:54 am

1 stop24h 54m

$675

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Thu 9/25

5:55 pm-6:20 am

2 stops31h 25m

London Gatwick

Thu 10/2

2:00 pm-9:54 am

1 stop24h 54m

$698

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Mon 9/29

9:00 am-10:00 am

1 stop20h 00m

London Gatwick

Tue 10/14

2:00 pm-4:41 pm

1 stop31h 41m

$699

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Tue 11/25

12:24 pm-9:50 am

2 stops16h 26m

London Gatwick

Fri 12/5

2:00 pm-7:42 pm

1 stop34h 42m

$702

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Mon 9/29

9:00 am-10:00 am

1 stop20h 00m

London Gatwick

Tue 10/14

2:00 pm-3:36 pm

2 stops30h 36m

$710

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sun 10/12

10:02 am-7:50 am

2 stops16h 48m

London Gatwick

Sun 10/19

10:40 am-11:53 pm

2 stops18h 13m

$860

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Fri 10/10

10:02 am-8:35 am

2 stops17h 33m

London Gatwick

Fri 10/17

12:20 pm-11:53 pm

2 stops16h 33m

$1,061

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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.
  • 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 13h 40m.

  • 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
Hounslow
Gatwick
Luton
Dover
Slough
Milton Keynes
Guildford
Dartford
Crawley
Stansted
Hayes
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Canterbury
Richmond
Wembley

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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1 adult
Tue 9/2
Tue 9/9

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