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Cheap flights from Knoxville to the United Kingdom from £259

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 the United Kingdom departing on 9/3. 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 the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
13:59 - 07:55
TYS
-
LHR
12h 56m1 stop
Lufthansa Logo
07:40 - 19:27
LHR
-
TYS
16h 47m2 stops
£419Lufthansa
Wed, 7 Jan - Wed, 14 Jan
Scandinavian Airlines Logo
16:06 - 16:00
TYS
-
LHR
18h 54m2 stops
Scandinavian Airlines Logo
06:40 - 23:45
LHR
-
TYS
22h 05m2 stops
£444Scandinavian Airlines
Fri, 23 Jan - Fri, 30 Jan
Lufthansa Logo
13:59 - 05:55
TYS
-
LHR
10h 56m1 stop
Lufthansa Logo
12:05 - 19:27
LHR
-
TYS
12h 22m1 stop
£451Lufthansa
Wed, 7 Jan - Wed, 14 Jan
British Airways Logo
17:15 - 15:10
TYS
-
GLA
16h 55m2 stops
British Airways Logo
08:55 - 20:56
GLA
-
TYS
17h 01m2 stops
£456British Airways
Fri, 23 Jan - Fri, 30 Jan
British Airways Logo
16:00 - 13:20
TYS
-
EDI
16h 20m2 stops
British Airways Logo
06:50 - 20:56
EDI
-
TYS
19h 06m2 stops
£457British Airways
Tue, 13 Jan - Tue, 27 Jan
Virgin Atlantic Logo
13:00 - 08:45
TYS
-
LHR
14h 45m1 stop
Virgin Atlantic Logo
08:55 - 20:00
LHR
-
TYS
16h 05m1 stop
£464Virgin Atlantic
Fri, 23 Jan - Fri, 30 Jan
Delta Logo
11:58 - 10:30
TYS
-
MAN
17h 32m1 stop
Delta Logo
13:30 - 23:45
MAN
-
TYS
15h 15m1 stop
£467Delta
Wed, 21 Jan - Wed, 28 Jan
Multiple Airlines Logo
19:20 - 07:10
TYS
-
LHR
30h 50m2 stops
Multiple Airlines Logo
07:40 - 19:27
LHR
-
TYS
16h 47m2 stops
£467Multiple Airlines
Tue, 6 Jan - Tue, 13 Jan
Multiple Airlines Logo
13:39 - 10:00
TYS
-
LGW
39h 21m2 stops
Multiple Airlines Logo
14:00 - 17:28
LGW
-
TYS
32h 28m1 stop
£468Multiple Airlines
Thu, 22 Jan - Thu, 29 Jan
Delta Logo
11:58 - 10:10
TYS
-
MAN
17h 12m2 stops
Delta Logo
13:30 - 23:45
MAN
-
TYS
15h 15m1 stop
£470Delta
Wed, 21 Jan - Wed, 28 Jan

United Airlines flights from Knoxville to United Kingdom

Our best United Airlines deals on Knoxville to United Kingdom flight tickets
United Airlines
16 Jan
TYS19:20Knoxville McGhee Tyson
10h 30m
1 stop
LHR10:50London Heathrow
20 Jan
LHR06:35London Heathrow
17h 52m
2 stops
TYS19:27Knoxville McGhee Tyson
£471
Find similar
United Airlines
7 Jan
TYS11:10Knoxville McGhee Tyson
14h 30m
2 stops
LHR06:40London Heathrow
14 Jan
LHR09:00London Heathrow
16h 52m
2 stops
TYS20:52Knoxville McGhee Tyson
£474
Find similar
United Airlines
16 Jan
TYS06:45Knoxville McGhee Tyson
18h 45m
2 stops
LHR06:30London Heathrow
20 Jan
LHR06:35London Heathrow
17h 52m
2 stops
TYS19:27Knoxville McGhee Tyson
£476
Find similar

Lufthansa flights from Knoxville to United Kingdom

Our best Lufthansa deals on Knoxville to United Kingdom flight tickets
Lufthansa
7 Jan
TYS13:59Knoxville McGhee Tyson
12h 56m
1 stop
LHR07:55London Heathrow
14 Jan
LHR07:40London Heathrow
16h 47m
2 stops
TYS19:27Knoxville McGhee Tyson
£419
Find similar
Lufthansa
7 Jan
TYS13:59Knoxville McGhee Tyson
10h 56m
1 stop
LHR05:55London Heathrow
14 Jan
LHR12:05London Heathrow
12h 22m
1 stop
TYS19:27Knoxville McGhee Tyson
£451
Find similar
Lufthansa
8 Jan
TYS13:59Knoxville McGhee Tyson
10h 56m
1 stop
LHR05:55London Heathrow
15 Jan
LHR06:30London Heathrow
17h 57m
2 stops
TYS19:27Knoxville McGhee Tyson
£455
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Knoxville to United Kingdom 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 279,928 searches. Data last updated 10 December 2025.
Use the filters below to find and compare flights from Knoxville to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 7/1

13:59-07:55

1 stop12h 56m

London Heathrow

Wed 14/1

07:40-19:27

2 stops16h 47m

£419

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 23/1

16:06-16:00

2 stops18h 54m

London Heathrow

Fri 30/1

06:40-23:45

2 stops22h 05m

£444

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 7/1

13:59-05:55

1 stop10h 56m

London Heathrow

Wed 14/1

12:05-19:27

1 stop12h 22m

£451

KnoxvilleGlasgow

TYS - GLA

TYSGLA

Knoxville McGhee Tyson

Fri 23/1

17:15-15:10

2 stops16h 55m

Glasgow Intl

Fri 30/1

08:55-20:56

2 stops17h 01m

£456

KnoxvilleEdinburgh

TYS - EDI

TYSEDI

Knoxville McGhee Tyson

Tue 13/1

16:00-13:20

2 stops16h 20m

Edinburgh Turnhouse

Tue 27/1

06:50-20:56

2 stops19h 06m

£457

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 23/1

13:00-08:45

1 stop14h 45m

London Heathrow

Fri 30/1

08:55-20:00

1 stop16h 05m

£464

KnoxvilleManchester

TYS - MAN

TYSMAN

Knoxville McGhee Tyson

Wed 21/1

11:58-10:30

1 stop17h 32m

Manchester

Wed 28/1

13:30-23:45

1 stop15h 15m

£467

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 6/1

19:20-07:10

2 stops30h 50m

London Heathrow

Tue 13/1

07:40-19:27

2 stops16h 47m

£467

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Thu 22/1

13:39-10:00

2 stops39h 21m

London Gatwick

Thu 29/1

14:00-17:28

1 stop32h 28m

£468

KnoxvilleManchester

TYS - MAN

TYSMAN

Knoxville McGhee Tyson

Wed 21/1

11:58-10:10

2 stops17h 12m

Manchester

Wed 28/1

13:30-23:45

1 stop15h 15m

£470

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Knoxville to United Kingdom

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 month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Knoxville is in November. Flight prices, which tend to average around £559, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of November, then departing from Knoxville during the month October is also very affordable. Most momondo users find prices during this month for around £576.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Knoxville to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £652. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Knoxville to United Kingdom for around £724.

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £702 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Knoxville for as low as £538 on momondo.

Can stopping save me money on Knoxville to United Kingdom flights?

You could potentially save up to 11% on your flight if you consider stops on a Knoxville to United Kingdom flight.

Cheap Knoxville to United Kingdom flight deals and tips

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

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from Knoxville to United Kingdom takes 10h 30m
There are no direct flights from Knoxville to United Kingdom. There are no popular flight routes from Knoxville to United Kingdom.
Search flight deals

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

    Prices for flights from Knoxville McGhee Tyson Airport to United Kingdom are updated daily.

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

    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 United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom 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 United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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 Knoxville to United Kingdom for you.

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

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

How can momondo help me find flights from Knoxville to United Kingdom?

Once you have performed a search for Knoxville to United Kingdom flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to United Kingdom from Knoxville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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Fri 9/1
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Find better results for your trip to the United Kingdom

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