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Cheap flights from the United Kingdom to Knoxville from £351

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Knoxville

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Knoxville
Explore the most affordable flight options available from United Kingdom to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Mon 8/614:00
LGW
-
TYS
1 stop14h 39m
Multiple Airlines
Mon 15/619:22
TYS
-
LGW
1 stop33h 38m
Multiple Airlines
Deal found 24/4£579
Wed 9/908:40
LHR
-
TYS
2 stops17h 08m
United Airlines
Wed 23/908:30
TYS
-
LHR
2 stops17h 25m
United Airlines
Deal found 26/4£682
Wed 27/515:00
LHR
-
TYS
1 stop11h 58m
British Airways
Thu 9/718:32
TYS
-
LHR
1 stop12h 43m
British Airways
Deal found 26/4£685
Wed 9/913:10
LHR
-
TYS
1 stop13h 05m
British Airways
Wed 23/918:30
TYS
-
LHR
1 stop10h 50m
British Airways
Deal found 27/4£686
Mon 6/709:15
LHR
-
TYS
2 stops37h 42m
British Airways
Tue 21/718:10
TYS
-
LHR
1 stop13h 00m
British Airways
Deal found 26/4£698
Wed 13/510:45
LHR
-
TYS
1 stop11h 42m
Virgin Atlantic
Mon 18/510:25
TYS
-
LHR
1 stop15h 50m
Virgin Atlantic
Deal found 26/4£704
Mon 8/606:20
LHR
-
TYS
2 stops20h 37m
Multiple Airlines
Mon 15/613:04
TYS
-
LHR
1 stop15h 01m
Multiple Airlines
Deal found 24/4£704
Wed 1/706:45
LHR
-
TYS
2 stops16h 19m
British Airways
Wed 15/715:40
TYS
-
LHR
1 stop12h 25m
British Airways
Deal found 24/4£707
Tue 7/716:00
LHR
-
TYS
2 stops33h 00m
British Airways
Mon 20/718:07
TYS
-
LHR
1 stop9h 58m
British Airways
Deal found 26/4£709
Wed 8/706:45
LHR
-
TYS
2 stops16h 12m
British Airways
Tue 21/718:10
TYS
-
LHR
1 stop13h 00m
British Airways
Deal found 26/4£710
Tue 24/1107:40
MAN
-
TYS
2 stops18h 24m
British Airways
Thu 3/1213:14
TYS
-
MAN
2 stops20h 06m
British Airways
Deal found 24/4£743
Wed 8/710:25
LGW
-
TYS
2 stops16h 10m
Delta
Wed 22/713:59
TYS
-
LGW
2 stops14h 26m
Delta
Deal found 26/4£758

Find flight deals from United Kingdom to Knoxville

Keep the following information in mind while searching for United Kingdom to Knoxville flight deals. Data was last updated 28 April 2026.

Round-trip from

£579

One-way from

£351

Popular in

March

Cheapest in

February

Average price

£703
8/6-15/6
  • 8/6-15/6
  • 2 total stops
  • 48h 17m total
  • United Kingdom to Knoxville
Search Deals
2/5
  • 2/5
  • 3 total stops
  • 47h 20m total
  • United Kingdom to Knoxville
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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, Cheapflights users made 858,174 searches. Data last updated 28 April 2026.
Use the filters below to find and compare flights from the United Kingdom to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 9/9

08:40-20:48

2 stops17h 08m

Knoxville McGhee Tyson

Wed 23/9

15:25-11:35

1 stop15h 10m

£682
Fastest return journey

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 9/9

13:10-21:15

1 stop13h 05m

Knoxville McGhee Tyson

Wed 23/9

18:30-10:20

1 stop10h 50m

£686

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 1/7

06:45-20:09

2 stops18h 24m

Knoxville McGhee Tyson

Wed 15/7

13:43-06:50

1 stop12h 07m

£708

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 13/5

06:30-17:27

2 stops15h 57m

Knoxville McGhee Tyson

Mon 18/5

10:25-07:15

1 stop15h 50m

£719

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 18/5

08:40-20:28

2 stops16h 48m

Knoxville McGhee Tyson

Wed 3/6

11:56-06:20

2 stops13h 24m

£746

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 1/7

11:15-21:49

1 stop15h 34m

Knoxville McGhee Tyson

Wed 15/7

18:36-13:05

1 stop13h 29m

£748

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 6/7

11:15-23:54

1 stop17h 39m

Knoxville McGhee Tyson

Thu 23/7

11:55-06:25

1 stop13h 30m

£748

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 1/7

11:15-23:54

1 stop17h 39m

Knoxville McGhee Tyson

Wed 15/7

13:59-07:15

1 stop12h 16m

£753

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Wed 8/7

10:25-21:35

2 stops16h 10m

Knoxville McGhee Tyson

Wed 22/7

13:59-09:25

2 stops14h 26m

£758

ManchesterKnoxville

MAN - TYS

MANTYS

Manchester

Mon 14/9

08:00-21:54

2 stops18h 54m

Knoxville McGhee Tyson

Tue 22/9

06:21-09:50

2 stops22h 29m

£773

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from United Kingdom to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Knoxville

How far ahead should I book a flight from United Kingdom to Knoxville?

The price you pay for your flight from United Kingdom to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from United Kingdom to Knoxville?

Currently, August is the cheapest month in which you can book a flight from United Kingdom to Knoxville (average of £359). Flying from United Kingdom to Knoxville in July is currently the most expensive (average of £553). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated 28 April 2026.
Read through reviews of airlines operating flights from the United Kingdom to Knoxville, such as Finnair,United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,392 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.7

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,392 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.7

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,672 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.7

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.4
Good
688 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.7

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,956 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.7

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,928 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.7

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from United Kingdom?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from United Kingdom. McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from United Kingdom to Knoxville?

    Airlines like United Airlines, British Airways, and Delta fly from United Kingdom to Knoxville in about 13h 05m. The time it takes to get you to your destination can typically vary by up to 4h 03m. Airlines will cover a distance of 4076 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from United Kingdom to Knoxville?

    While some choose either London City - Knoxville McGhee Tyson or London Gatwick - Knoxville McGhee Tyson, London Heathrow - Knoxville McGhee Tyson is the most popular route from United Kingdom to Knoxville.

  • Can I find deals for flights from United Kingdom to Knoxville that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Knoxville flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Knoxville.

  • Can I find deals for business class flights from United Kingdom to Knoxville?

    Yes. Cheapflights offers flight deals from United Kingdom to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Knoxville?

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to Knoxville (average of £359). Flying from United Kingdom to Knoxville in July is currently the most expensive (average of £553). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from United Kingdom to Knoxville

Discover the top 6 airlines that operate flights from United Kingdom to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£452Average£695FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£462Average£625FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£471Average£704FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£502Average£708FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£505Average£638FlexibilityNo cancel feeOn-time76%
Search Finnair flights
DeltaCheapest£701Average£811FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Knoxville?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Knoxville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Knoxville?

Cheapflights helps you find that perfect flight to Knoxville from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from United Kingdom to Knoxville with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Knoxville with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Knoxville become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to Knoxville flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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