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Cheap flights from Knoxville to London from $218

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 3/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Knoxville to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:15 am - 6:00 am
TYS
-
LGW
18h 45m
1 stop
Multiple Airlines Logo
1:00 pm - 11:16 pm
LGW
-
TYS
38h 16m
2 stops
$841Multiple Airlines
Mon, Mar 16 - Fri, Mar 20
Multiple Airlines Logo
12:52 pm - 10:00 am
TYS
-
LGW
16h 08m
1 stop
Multiple Airlines Logo
9:50 am - 11:02 am
LGW
-
TYS
30h 12m
2 stops
$880Multiple Airlines
Thu, Mar 5 - Sat, Mar 7
Multiple Airlines Logo
6:30 am - 10:55 am
TYS
-
LGW
24h 25m
2 stops
Multiple Airlines Logo
2:00 pm - 6:42 pm
LGW
-
TYS
32h 42m
1 stop
$902Multiple Airlines
Sun, Mar 8 - Fri, Mar 13
Iberia Logo
11:31 am - 8:00 pm
TYS
-
LGW
27h 29m
2 stops
Iberia Logo
8:40 pm - 8:18 pm
LGW
-
TYS
28h 38m
2 stops
$928Iberia
Wed, Apr 15 - Mon, Apr 20
American Airlines Logo
9:25 am - 7:30 am
TYS
-
LGW
18h 05m
2 stops
American Airlines Logo
12:20 pm - 8:42 am
LGW
-
TYS
25h 22m
2 stops
$950American Airlines
Fri, Mar 27 - Fri, Apr 3
Multiple Airlines Logo
7:30 am - 5:50 pm
TYS
-
LGW
29h 20m
2 stops
Multiple Airlines Logo
2:00 pm - 9:40 am
LGW
-
TYS
24h 40m
1 stop
$958Multiple Airlines
Sun, Apr 5 - Mon, Apr 13
Iberia Logo
5:10 pm - 10:50 am
TYS
-
LGW
36h 40m
2 stops
Iberia Logo
8:40 pm - 9:21 pm
LGW
-
TYS
29h 41m
2 stops
$961Iberia
Sat, Apr 18 - Tue, May 5
Iberia Logo
5:06 pm - 10:50 am
TYS
-
LGW
36h 44m
2 stops
Iberia Logo
8:40 pm - 9:21 pm
LGW
-
TYS
29h 41m
2 stops
$982Iberia
Wed, Apr 15 - Mon, Apr 20
Iberia Logo
11:31 am - 10:50 am
TYS
-
LGW
18h 19m
2 stops
Iberia Logo
8:40 pm - 9:21 pm
LGW
-
TYS
29h 41m
2 stops
$990Iberia
Sat, Apr 18 - Tue, May 5
Multiple Airlines Logo
9:46 pm - 10:00 am
TYS
-
LGW
31h 14m
1 stop
Multiple Airlines Logo
2:00 pm - 9:40 am
LGW
-
TYS
24h 40m
1 stop
$1,001Multiple Airlines
Sun, Apr 5 - Mon, Apr 13

Iberia flights from Knoxville to London Gatwick Airport

Our best Iberia deals on Knoxville to London Gatwick Airport flight tickets
Iberia
Apr 15
TYS11:31 amKnoxville McGhee Tyson
27h 29m
2 stops
LGW8:00 pmLondon Gatwick
Apr 20
LGW8:40 pmLondon Gatwick
28h 38m
2 stops
TYS8:18 pmKnoxville McGhee Tyson
$928
Iberia
Apr 18
TYS5:10 pmKnoxville McGhee Tyson
36h 40m
2 stops
LGW10:50 amLondon Gatwick
May 5
LGW8:40 pmLondon Gatwick
29h 41m
2 stops
TYS9:21 pmKnoxville McGhee Tyson
$961
Iberia
Apr 15
TYS5:06 pmKnoxville McGhee Tyson
36h 44m
2 stops
LGW10:50 amLondon Gatwick
Apr 20
LGW8:40 pmLondon Gatwick
29h 41m
2 stops
TYS9:21 pmKnoxville McGhee Tyson
$982

Delta flights from Knoxville to London Gatwick Airport

Our best Delta deals on Knoxville to London Gatwick Airport flight tickets
Delta
Apr 2
TYS5:10 pmKnoxville McGhee Tyson
17h 50m
2 stops
LGW4:00 pmLondon Gatwick
Apr 13
LGW10:25 amLondon Gatwick
52h 56m
2 stops
TYS10:21 amKnoxville McGhee Tyson
$1,109
Delta
Apr 2
TYS6:38 pmKnoxville McGhee Tyson
16h 22m
2 stops
LGW4:00 pmLondon Gatwick
Apr 13
LGW10:25 amLondon Gatwick
39h 55m
2 stops
TYS9:20 pmKnoxville McGhee Tyson
$1,252
Delta
Apr 2
TYS5:10 pmKnoxville McGhee Tyson
17h 50m
2 stops
LGW4:00 pmLondon Gatwick
Apr 12
LGW10:25 amLondon Gatwick
38h 41m
2 stops
TYS8:06 pmKnoxville McGhee Tyson
$1,302

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 February 14, 2026.
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

Mon 3/16

7:15 am-6:00 am

1 stop18h 45m

London Gatwick

Fri 3/20

1:00 pm-11:16 pm

2 stops38h 16m

$841

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Thu 3/5

12:52 pm-10:00 am

1 stop16h 08m

London Gatwick

Sat 3/7

9:50 am-11:02 am

2 stops30h 12m

$880

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sun 3/8

6:30 am-10:55 am

2 stops24h 25m

London Gatwick

Fri 3/13

2:00 pm-6:42 pm

1 stop32h 42m

$902

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Wed 4/15

11:31 am-8:00 pm

2 stops27h 29m

London Gatwick

Mon 4/20

8:40 pm-8:18 pm

2 stops28h 38m

$928

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Fri 3/27

9:25 am-7:30 am

2 stops18h 05m

London Gatwick

Fri 4/3

12:20 pm-8:42 am

2 stops25h 22m

$950

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sun 4/5

7:30 am-5:50 pm

2 stops29h 20m

London Gatwick

Mon 4/13

2:00 pm-9:40 am

1 stop24h 40m

$958

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sat 4/18

5:10 pm-10:50 am

2 stops36h 40m

London Gatwick

Tue 5/5

8:40 pm-9:21 pm

2 stops29h 41m

$961

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Wed 4/15

5:06 pm-10:50 am

2 stops36h 44m

London Gatwick

Mon 4/20

8:40 pm-9:21 pm

2 stops29h 41m

$982

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sat 4/18

11:31 am-10:50 am

2 stops18h 19m

London Gatwick

Tue 5/5

8:40 pm-9:21 pm

2 stops29h 41m

$990

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sun 4/5

9:46 pm-10:00 am

1 stop31h 14m

London Gatwick

Mon 4/13

2:00 pm-9:40 am

1 stop24h 40m

$1,001

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Fastest flight time

15h 12m

Direct flights

None
The fastest flight from Knoxville to London Gatwick Airport takes 15h 12m
There are no direct flights from Knoxville to London Gatwick Airport. There are no popular flight routes from Knoxville to London Gatwick Airport.
Search flight deals

  • 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 12m.

  • 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.

  • How do I get Price Alerts for flights from Knoxville to London Gatwick Airport?

    Search flight deals from Knoxville to London Gatwick Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Knoxville to London Gatwick Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near London?

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

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.

An easier way to manage your London Gatwick Airport trip

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Mon 3/16
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