Cheap flights from Knoxville to London from $422

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 4/8. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 am - 8:25 am
TYS
-
LGW
20h 15m
2 stops
Multiple Airlines Logo
2:00 pm - 12:02 pm
LGW
-
TYS
27h 02m
1 stop
$900Multiple Airlines
Mon, Aug 24 - Wed, Sep 2
Multiple Airlines Logo
7:10 am - 6:20 am
TYS
-
LGW
18h 10m
1 stop
Multiple Airlines Logo
2:00 pm - 2:56 pm
LGW
-
TYS
29h 56m
1 stop
$906Multiple Airlines
Mon, Aug 24 - Tue, Sep 1
Lufthansa Logo
5:57 pm - 5:55 pm
TYS
-
LCY
18h 58m
2 stops
Lufthansa Logo
9:15 am - 11:57 pm
LCY
-
TYS
19h 42m
2 stops
$949Lufthansa
Wed, Aug 19 - Wed, Sep 2
Lufthansa Logo
5:57 pm - 5:55 pm
TYS
-
LCY
18h 58m
2 stops
Lufthansa Logo
9:15 am - 11:57 pm
LCY
-
TYS
19h 42m
2 stops
$950Lufthansa
Wed, Aug 19 - Wed, Sep 2
United Airlines Logo
7:00 am - 5:55 am
TYS
-
LHR
17h 55m
2 stops
United Airlines Logo
6:50 am - 5:08 pm
LHR
-
TYS
15h 18m
2 stops
$961United Airlines
Wed, May 6 - Wed, May 20
United Airlines Logo
7:00 am - 5:55 am
TYS
-
LHR
17h 55m
2 stops
United Airlines Logo
6:50 am - 5:08 pm
LHR
-
TYS
15h 18m
2 stops
$962United Airlines
Wed, May 6 - Wed, May 20
British Airways Logo
5:06 pm - 10:30 am
TYS
-
LHR
12h 24m
1 stop
British Airways Logo
12:15 pm - 9:56 pm
LHR
-
TYS
14h 41m
1 stop
$985British Airways
Wed, May 6 - Wed, May 20
British Airways Logo
5:04 pm - 9:00 am
TYS
-
LCY
34h 56m
2 stops
British Airways Logo
7:00 am - 9:54 pm
LCY
-
TYS
19h 54m
2 stops
$1,075British Airways
Mon, Sep 14 - Wed, Sep 23
Delta Logo
11:55 am - 7:15 am
TYS
-
LCY
14h 20m
2 stops
Delta Logo
7:45 am - 9:28 pm
LCY
-
TYS
18h 43m
2 stops
$1,110Delta
Tue, Aug 4 - Sat, Aug 22
Delta Logo
3:05 pm - 9:30 am
TYS
-
LCY
13h 25m
2 stops
Delta Logo
10:00 am - 9:25 pm
LCY
-
TYS
16h 25m
2 stops
$1,113Delta
Sun, May 10 - Fri, May 29

Scandinavian Airlines flights from Knoxville to London

Our best Scandinavian Airlines deals on Knoxville to London flight tickets
Scandinavian Airlines
Apr 21
TYS4:38 pmKnoxville McGhee Tyson
18h 22m
2 stops
LHR4:00 pmLondon Heathrow
Apr 28
LHR6:40 amLondon Heathrow
22h 14m
2 stops
TYS11:54 pmKnoxville McGhee Tyson
$986
Scandinavian Airlines
Apr 21
TYS4:38 pmKnoxville McGhee Tyson
20h 52m
2 stops
LHR6:30 pmLondon Heathrow
Apr 28
LHR7:05 amLondon Heathrow
21h 49m
3 stops
TYS11:54 pmKnoxville McGhee Tyson
$1,003

British Airways flights from Knoxville to London

Our best British Airways deals on Knoxville to London flight tickets
British Airways
May 6
TYS5:06 pmKnoxville McGhee Tyson
12h 24m
1 stop
LHR10:30 amLondon Heathrow
May 20
LHR12:15 pmLondon Heathrow
14h 41m
1 stop
TYS9:56 pmKnoxville McGhee Tyson
$985
British Airways
May 6
TYS5:06 pmKnoxville McGhee Tyson
12h 24m
1 stop
LHR10:30 amLondon Heathrow
May 20
LHR1:10 pmLondon Heathrow
12h 08m
1 stop
TYS8:18 pmKnoxville McGhee Tyson
$987
British Airways
May 13
TYS2:06 pmKnoxville McGhee Tyson
11h 49m
1 stop
LHR6:55 amLondon Heathrow
May 20
LHR6:15 amLondon Heathrow
21h 10m
2 stops
TYS10:25 pmKnoxville McGhee Tyson
$1,005

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to London 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 April 2, 2026.
Use the filters below to find and compare flights from Knoxville to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Mon 8/24

7:10 am-8:25 am

2 stops20h 15m

London Gatwick

Wed 9/2

2:00 pm-12:02 pm

1 stop27h 02m

$900

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Mon 8/24

7:10 am-6:20 am

1 stop18h 10m

London Gatwick

Tue 9/1

2:00 pm-2:56 pm

1 stop29h 56m

$906

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Wed 8/19

5:57 pm-5:55 pm

2 stops18h 58m

London City

Wed 9/2

9:15 am-11:57 pm

2 stops19h 42m

$949

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Wed 8/19

5:57 pm-5:55 pm

2 stops18h 58m

London City

Wed 9/2

9:15 am-11:57 pm

2 stops19h 42m

$950

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/6

7:00 am-5:55 am

2 stops17h 55m

London Heathrow

Wed 5/20

6:50 am-5:08 pm

2 stops15h 18m

$961

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/6

7:00 am-5:55 am

2 stops17h 55m

London Heathrow

Wed 5/20

6:50 am-5:08 pm

2 stops15h 18m

$962
Quickest round-trip

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/6

5:06 pm-10:30 am

1 stop12h 24m

London Heathrow

Wed 5/20

12:15 pm-9:56 pm

1 stop14h 41m

$985

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Mon 9/14

5:04 pm-9:00 am

2 stops34h 56m

London City

Wed 9/23

7:00 am-9:54 pm

2 stops19h 54m

$1,075

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Tue 8/4

11:55 am-7:15 am

2 stops14h 20m

London City

Sat 8/22

7:45 am-9:28 pm

2 stops18h 43m

$1,110

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Sun 5/10

3:05 pm-9:30 am

2 stops13h 25m

London City

Fri 5/29

10:00 am-9:25 pm

2 stops16h 25m

$1,113

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

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

What is the cheapest month to fly to London?

The cheapest month to fly to London from Knoxville is in January. Flight prices, which tend to average around $604, 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 $639.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $938 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Knoxville for as low as $714 on momondo.

Can stopping save me money on Knoxville to London flights?

You could potentially save up to 18% 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

Fastest flight time

10h 06m

Direct flights

None
The fastest flight from Knoxville to London takes 10h 06m
There are no direct flights from Knoxville to London. There are no popular flight routes from Knoxville to London.

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 10h 06m.

  • 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?

  • 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?

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
Virgin AtlanticPriceFrom $572Free CancellationRating
7.5
685 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $624Free CancellationRating
7.9
8,373 reviews
Search Delta flights
American AirlinesPriceFrom $674Free CancellationRating
7.1
11,552 reviews
Search American Airlines flights
United AirlinesPriceFrom $677Free CancellationRating
7.4
9,536 reviews
Search United Airlines flights
British AirwaysPriceFrom $693Free CancellationRating
6.7
7,841 reviews
Search British Airways flights

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
Stansted
Croydon
Dartford
Brentwood
Guildford
Cobham
Folkestone
Romford
Harrow
Watford
Richmond

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.

Get notified when prices go down

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1 adult
Sat 5/2
Sat 5/9

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