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Cheap flights from London to Knoxville from $419

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Knoxville departing on 6/8. 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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Find the cheapest flights from London to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 2:45 pm
LGW
-
TYS
29h 45m
2 stops
Multiple Airlines Logo
1:15 pm - 10:00 am
TYS
-
LGW
15h 45m
1 stop
$730Multiple Airlines
Wed, Apr 15 - Fri, Apr 24
Multiple Airlines Logo
2:00 pm - 3:41 pm
LGW
-
TYS
30h 41m
2 stops
Multiple Airlines Logo
1:15 pm - 10:00 am
TYS
-
LGW
15h 45m
1 stop
$732Multiple Airlines
Wed, Apr 15 - Mon, Apr 20
Multiple Airlines Logo
2:00 pm - 2:45 pm
LGW
-
TYS
29h 45m
2 stops
Multiple Airlines Logo
1:15 pm - 10:00 am
TYS
-
LGW
15h 45m
1 stop
$746Multiple Airlines
Wed, Apr 15 - Mon, Apr 20
British Airways Logo
1:10 pm - 9:23 pm
LHR
-
TYS
13h 13m
1 stop
British Airways Logo
3:01 pm - 8:05 am
TYS
-
LHR
12h 04m
1 stop
$879British Airways
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
7:25 am - 8:48 pm
LHR
-
TYS
18h 23m
2 stops
United Airlines Logo
8:30 am - 6:55 am
TYS
-
LHR
17h 25m
2 stops
$889United Airlines
Tue, Sep 1 - Tue, Sep 8
British Airways Logo
9:15 am - 5:07 pm
LHR
-
TYS
12h 52m
1 stop
British Airways Logo
5:06 pm - 10:30 am
TYS
-
LHR
12h 24m
1 stop
$903British Airways
Sat, Apr 25 - Thu, Apr 30
Lufthansa Logo
7:25 am - 7:42 pm
LHR
-
TYS
17h 17m
2 stops
Lufthansa Logo
2:25 pm - 10:40 am
TYS
-
LHR
15h 15m
1 stop
$909Lufthansa
Sat, Apr 25 - Thu, Apr 30
United Airlines Logo
7:25 am - 10:36 am
LHR
-
TYS
32h 11m
2 stops
United Airlines Logo
5:20 pm - 11:35 am
TYS
-
LHR
13h 15m
1 stop
$919United Airlines
Tue, Sep 22 - Mon, Oct 5
KLM Logo
11:15 am - 6:17 pm
LHR
-
TYS
12h 02m
1 stop
KLM Logo
7:20 pm - 11:20 am
TYS
-
LHR
11h 00m
1 stop
$927KLM
Tue, Sep 22 - Mon, Oct 5
Lufthansa Logo
9:15 am - 11:57 pm
LCY
-
TYS
19h 42m
2 stops
Lufthansa Logo
5:57 pm - 5:55 pm
TYS
-
LCY
18h 58m
2 stops
$1,053Lufthansa
Tue, Sep 1 - Tue, Sep 8

Lufthansa flights from London to Knoxville

Our best Lufthansa deals on London to Knoxville flight tickets
Lufthansa
Apr 25
LHR7:25 amLondon Heathrow
17h 17m
2 stops
TYS7:42 pmKnoxville McGhee Tyson
Apr 30
TYS2:25 pmKnoxville McGhee Tyson
15h 15m
1 stop
LHR10:40 amLondon Heathrow
$909
Lufthansa
May 10
LHR6:00 pmLondon Heathrow
21h 49m
2 stops
TYS10:49 amKnoxville McGhee Tyson
May 21
TYS6:30 amKnoxville McGhee Tyson
21h 05m
2 stops
LHR8:35 amLondon Heathrow
$987
Lufthansa
Sep 1
LCY9:15 amLondon City
19h 42m
2 stops
TYS11:57 pmKnoxville McGhee Tyson
Sep 8
TYS5:57 pmKnoxville McGhee Tyson
18h 58m
2 stops
LCY5:55 pmLondon City
$1,053

Aer Lingus flights from London to Knoxville

Our best Aer Lingus deals on London to Knoxville flight tickets
Aer Lingus
May 7
LCY6:45 amLondon City
18h 33m
2 stops
TYS8:18 pmKnoxville McGhee Tyson
May 14
TYS7:53 amKnoxville McGhee Tyson
19h 42m
2 stops
LCY8:35 amLondon City
$1,177
Aer Lingus
May 1
LCY6:45 amLondon City
19h 36m
2 stops
TYS9:21 pmKnoxville McGhee Tyson
May 5
TYS11:31 amKnoxville McGhee Tyson
20h 14m
2 stops
LCY12:45 pmLondon City
$1,248
Aer Lingus
Apr 17
LCY6:45 amLondon City
19h 36m
2 stops
TYS9:21 pmKnoxville McGhee Tyson
Apr 24
TYS11:31 amKnoxville McGhee Tyson
19h 04m
2 stops
LCY11:35 amLondon City
$1,337

momondo Fare Finder

 
Customize your flight search to find flights from London to Knoxville 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 March 27, 2026.
Use the filters below to find and compare flights from London to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Wed 4/15

2:00 pm-2:45 pm

2 stops29h 45m

Knoxville McGhee Tyson

Fri 4/24

1:15 pm-10:00 am

1 stop15h 45m

$730

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Wed 4/15

2:00 pm-3:41 pm

2 stops30h 41m

Knoxville McGhee Tyson

Mon 4/20

1:15 pm-10:00 am

1 stop15h 45m

$732

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Wed 4/15

2:00 pm-2:45 pm

2 stops29h 45m

Knoxville McGhee Tyson

Mon 4/20

1:15 pm-10:00 am

1 stop15h 45m

$746

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/1

1:10 pm-9:23 pm

1 stop13h 13m

Knoxville McGhee Tyson

Tue 9/8

3:01 pm-8:05 am

1 stop12h 04m

$879

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/1

7:25 am-8:48 pm

2 stops18h 23m

Knoxville McGhee Tyson

Tue 9/8

8:30 am-6:55 am

2 stops17h 25m

$889

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 4/25

9:15 am-5:07 pm

1 stop12h 52m

Knoxville McGhee Tyson

Thu 4/30

5:06 pm-10:30 am

1 stop12h 24m

$903

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 4/25

7:25 am-7:42 pm

2 stops17h 17m

Knoxville McGhee Tyson

Thu 4/30

2:25 pm-10:40 am

1 stop15h 15m

$909

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/22

7:25 am-10:36 am

2 stops32h 11m

Knoxville McGhee Tyson

Mon 10/5

5:20 pm-11:35 am

1 stop13h 15m

$919
Quickest round-trip

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/22

11:15 am-6:17 pm

1 stop12h 02m

Knoxville McGhee Tyson

Mon 10/5

7:20 pm-11:20 am

1 stop11h 00m

$927

LondonKnoxville

LCY - TYS

LCYTYS

London City

Tue 9/1

9:15 am-11:57 pm

2 stops19h 42m

Knoxville McGhee Tyson

Tue 9/8

5:57 pm-5:55 pm

2 stops18h 58m

$1,053

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 Knoxville from

How to get the cheapest flight ticket from London to Knoxville

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 London and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of February is, on average, the cheapest month to fly to Knoxville from London, with most prices found around $709. If you aren’t able to travel during the month of February, then book flights to Knoxville from London during January instead. Flights to Knoxville in January, while not as cheap as those in February, still average around $759.

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

You are more likely to see cheaper flights to Knoxville from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $968 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from London for as low as $679 on momondo.

Can stopping save me money on London to Knoxville flights?

You could potentially save up to 2% on your flight if you consider stops on a London to Knoxville flight.

How have London to Knoxville flight prices changed over time?

As of March 2026, prices for London to Knoxville flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from London to Knoxville

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

Cheap London to Knoxville (LON to TYS) flight deals and tips

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

Fastest flight time

11h 34m

Direct flights

None
The fastest flight from London to Knoxville takes 11h 34m
There are no direct flights from London to Knoxville. There are no popular flight routes from London to Knoxville.
Search flight deals

  • How far is London to Knoxville McGhee Tyson by plane?

    The straight-line distance from London to Knoxville McGhee Tyson is 4078.3 mi. A reasonable flight in good conditions will take 11h 34m.

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

    Prices for flights from London to Knoxville McGhee Tyson Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London to Knoxville

Compare and see reviews for airlines that fly from London to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $720Free CancellationRating
6.7
7,822 reviews
Search British Airways flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Crossville
Alcoa
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Jefferson City
Dandridge
Clinton
Rockford

Why use momondo?

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

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 London to Knoxville for you.

Can I find flights from London to Knoxville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Knoxville from London with this policy.

How can momondo help me find flights from London to Knoxville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Knoxville.

I’m not ready to book a flight from London to Knoxville right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Knoxville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knoxville and let you know when they change.

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