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Cheap flights from the United Kingdom to Knoxville from £451

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 November 2025.

Round-trip from

£612

One-way from

£451

Popular in

July

Cheapest in

February

Average price

£593
American Airlines
  • American Airlines
  • 6/3-10/3
  • 4 total stops
  • 58h 47m total
  • United Kingdom to Knoxville
Search Deals
United Airlines
  • United Airlines
  • 1/5
  • 2 total stops
  • 30h 15m total
  • United Kingdom to Knoxville
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 21 November 2025.

Mon 24/1114:00LGW - TYS
1 stop13h 52mMultiple Airlines
Fri 28/1114:59TYS - LGW
1 stop14h 01mMultiple Airlines
Deal found 19/11£549
Mon 24/1114:00LGW - TYS
1 stop13h 52mMultiple Airlines
Thu 11/1217:12TYS - LGW
2 stops35h 48mMultiple Airlines
Deal found 19/11£594
Mon 24/1114:00LGW - TYS
1 stop13h 52mMultiple Airlines
Sun 7/1206:00TYS - LGW
2 stops23h 55mMultiple Airlines
Deal found 19/11£601
Tue 9/1208:55LHR - TYS
1 stop12h 58mVirgin Atlantic
Sun 14/1219:59TYS - LHR
1 stop29h 26mVirgin Atlantic
Deal found 19/11£618
Tue 9/1215:05LHR - TYS
2 stops34h 55mBritish Airways
Sun 14/1220:13TYS - LHR
1 stop30h 07mBritish Airways
Deal found 19/11£643
Fri 5/1207:40LHR - TYS
2 stops18h 13mBritish Airways
Mon 8/1215:40TYS - LHR
1 stop9h 55mBritish Airways
Deal found 19/11£646
Tue 9/1206:00LHR - TYS
3 stops35h 03mMultiple Airlines
Sun 14/1206:00TYS - LHR
1 stop20h 50mMultiple Airlines
Deal found 19/11£650
Fri 5/1211:45LHR - TYS
1 stop12h 10mAmerican Airlines
Mon 8/1214:58TYS - LHR
1 stop10h 57mAmerican Airlines
Deal found 18/11£652
Tue 9/1218:55LCY - TYS
2 stops31h 05mBritish Airways
Sun 14/1220:13TYS - LCY
2 stops31h 37mBritish Airways
Deal found 19/11£666
Mon 24/1114:00LGW - TYS
1 stop13h 52mMultiple Airlines
Sat 6/1210:15TYS - LGW
2 stops19h 40mMultiple Airlines
Deal found 19/11£667
Wed 26/1108:50LHR - TYS
2 stops17h 31mAer Lingus
Thu 4/1213:14TYS - LHR
2 stops13h 51mAer Lingus
Deal found 19/11£689
Thu 4/1206:30NCL - TYS
2 stops19h 18mAmerican Airlines
Mon 8/1216:38TYS - NCL
2 stops18h 22mAmerican Airlines
Deal found 19/11£716

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 21 November 2025.
Use the filters below to find and compare flights from the United Kingdom to Knoxville that are best for you.

Fly from

United Kingdom

Fly to

Knoxville

Route

Depart

Return

Price

LondonKnoxville

LGW - TYS

LGWTYS

London Gatwick

Fri 6/3

11:20-08:38

2 stops26h 18m

Knoxville McGhee Tyson

Tue 10/3

20:31-09:00

2 stops32h 29m

£612

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/12

15:05-21:00

2 stops34h 55m

Knoxville McGhee Tyson

Sun 14/12

20:13-07:20

1 stop30h 07m

£643

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 5/12

07:40-20:53

2 stops18h 13m

Knoxville McGhee Tyson

Mon 8/12

15:40-06:35

1 stop9h 55m

£646

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/12

06:00-12:03

3 stops35h 03m

Knoxville McGhee Tyson

Sun 14/12

06:00-07:10

2 stops20h 10m

£650

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 5/12

14:30-23:57

1 stop14h 27m

Knoxville McGhee Tyson

Mon 8/12

15:40-07:50

1 stop11h 10m

£650

LondonKnoxville

LCY - TYS

LCYTYS

London City

Thu 22/1

08:40-20:56

2 stops17h 16m

Knoxville McGhee Tyson

Sun 25/1

17:14-08:50

2 stops34h 36m

£660

LondonKnoxville

LCY - TYS

LCYTYS

London City

Tue 9/12

18:55-21:00

2 stops31h 05m

Knoxville McGhee Tyson

Sun 14/12

20:13-08:50

2 stops31h 37m

£666

EdinburghKnoxville

EDI - TYS

EDITYS

Edinburgh Turnhouse

Wed 4/2

07:50-22:09

2 stops19h 19m

Knoxville McGhee Tyson

Sun 8/2

17:15-13:15

2 stops39h 00m

£676

LondonKnoxville

LCY - TYS

LCYTYS

London City

Fri 24/4

07:45-21:28

2 stops18h 43m

Knoxville McGhee Tyson

Tue 28/4

12:30-09:30

2 stops16h 00m

£699

ManchesterKnoxville

MAN - TYS

MANTYS

Manchester

Wed 28/1

13:30-23:45

1 stop15h 15m

Knoxville McGhee Tyson

Wed 6/5

12:30-14:00

2 stops20h 30m

£704

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 38 results
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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

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

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Knoxville (average of £391). Flying from United Kingdom to Knoxville in July is currently the most expensive (average of £575). 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.

What is the cheapest time of day to fly from GB to TYS?

Find hourly flight availability from United Kingdom to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

One of the essential ways to save on airfare from United Kingdom to Knoxville is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

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 21 November 2025.
Read through reviews of airlines operating flights from the United Kingdom to Knoxville, such as Finnair, Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Virgin Atlantic
7.5
Good
674 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
United Airlines
7.4
Good
9,029 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Lufthansa
6.8
Okay
7,579 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
British Airways
6.7
Okay
7,533 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

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 American Airlines, British Airways, and Delta fly from United Kingdom to Knoxville in about 18h 43m. The time it takes to get you to your destination can typically vary by up to 16h 12m. Airlines will cover a distance of 4095 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 Manchester - 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, February is the cheapest month in which you can book a flight from United Kingdom to Knoxville (average of £391). Flying from United Kingdom to Knoxville in July is currently the most expensive (average of £575). 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
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Top 8 airlines flying from United Kingdom to Knoxville

Discover the top 8 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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£469Average£636FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£489Average£687FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£494Average£707FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£511Average£629FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£520Average£700FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£579Average£1,011FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£604Average£746FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£607Average£836FlexibilityNo cancel feeOn-time75%
Search KLM 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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