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$310+ Cheap flights from Knoxville (TYS) to the United Kingdom

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Knoxville to United Kingdom

Keep the following information in mind while searching for Knoxville to United Kingdom flight deals. Data was last updated August 14, 2025.

Round-trip from

$567
(Delta)

One-way from

$310
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$871
From Knoxville McGhee Tyson to United Kingdom
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One-way flight from Knoxville McGhee Tyson to United Kingdom
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Highest demand for flights based on searches. 18% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Knoxville to United Kingdom

Cheapest flights from Knoxville to United Kingdom
Explore the most affordable flight options available from Knoxville to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:58 amTYS - LGW
2 stops17h 02mDelta
Tue 8/2612:00 pmLGW - TYS
2 stops16h 48mDelta
Deal found 8/12$537
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:58 amTYS - LHR
1 stop14h 17mDelta
Tue 8/266:15 amLHR - TYS
2 stops17h 07mDelta
Deal found 8/12$567
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:13 pmTYS - LHR
1 stop10h 02mDelta
Thu 10/93:15 pmLHR - TYS
1 stop13h 31mDelta
Deal found 8/11$574
This KLM deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:14 pmTYS - LHR
1 stop11h 56mKLM
Wed 8/271:05 pmLHR - TYS
1 stop12h 01mKLM
Deal found 8/12$575
This Virgin Atlantic deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:54 amTYS - LHR
2 stops13h 26mVirgin Atlantic
Fri 9/261:05 pmLHR - TYS
1 stop15h 39mVirgin Atlantic
Deal found 8/11$578
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:13 pmTYS - LHR
1 stop10h 02mDelta
Fri 10/1010:55 amLHR - TYS
1 stop14h 41mDelta
Deal found 8/11$607
This lastminute.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:14 pmTYS - LHR
1 stop14h 16mVirgin Atlantic
Tue 9/91:05 pmLHR - TYS
1 stop12h 01mVirgin Atlantic
Deal found 8/13$608
This Billigflug deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/252:30 pmTYS - LHR
1 stop11h 25mMultiple Airlines
Tue 9/97:25 amLHR - TYS
2 stops21h 32mMultiple Airlines
Deal found 8/13$609
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:57 amTYS - LHR
1 stop13h 28mDelta
Tue 10/146:30 amLHR - TYS
2 stops15h 01mDelta
Deal found 8/11$617
This Vliegwinkel deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:14 pmTYS - LHR
1 stop11h 56mVirgin Atlantic
Tue 9/99:20 amLHR - TYS
1 stop12h 59mVirgin Atlantic
Deal found 8/13$619
This Netflights deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/254:13 pmTYS - LHR
1 stop10h 02mVirgin Atlantic
Tue 9/3011:20 amLHR - TYS
1 stop13h 42mVirgin Atlantic
Deal found 8/12$622
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/93:48 pmTYS - LHR
1 stop10h 27mDelta
Thu 10/163:15 pmLHR - TYS
1 stop13h 31mDelta
Deal found 8/11$624

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Knoxville to the United Kingdom that are best for you.

Fly from

Knoxville

Fly to

United Kingdom

Route

Depart

Return

Price

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Wed 8/20

11:58 am-10:00 am

2 stops17h 02m

London Gatwick

Tue 8/26

12:00 pm-11:48 pm

2 stops16h 48m

$537

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 10/14

3:48 pm-6:45 am

1 stop9h 57m

London Heathrow

Fri 10/24

6:30 am-5:02 pm

2 stops15h 32m

$567

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 10/27

5:16 pm-7:50 am

1 stop10h 34m

London Heathrow

Wed 11/5

6:30 am-4:31 pm

2 stops15h 01m

$567

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 10/22

3:48 pm-6:45 am

1 stop9h 57m

London Heathrow

Fri 10/31

6:30 am-8:36 pm

2 stops18h 06m

$567

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 10/29

5:16 pm-7:50 am

1 stop10h 34m

London Heathrow

Thu 11/6

11:45 am-9:13 pm

2 stops14h 28m

$567

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 10/21

3:48 pm-6:45 am

1 stop9h 57m

London Heathrow

Fri 10/31

6:30 am-8:36 pm

2 stops18h 06m

$567

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 10/5

4:13 pm-7:15 am

1 stop10h 02m

London Heathrow

Tue 10/14

6:30 am-4:31 pm

2 stops15h 01m

$567

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 8/20

11:58 am-7:15 am

1 stop14h 17m

London Heathrow

Wed 8/27

11:30 am-11:48 pm

2 stops17h 18m

$567

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 10/13

3:48 pm-6:45 am

1 stop9h 57m

London Heathrow

Fri 10/24

6:30 am-5:02 pm

2 stops15h 32m

$567

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Fri 9/26

6:24 pm-10:00 am

2 stops34h 36m

London Gatwick

Fri 10/3

2:00 pm-11:36 pm

1 stop14h 36m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 results
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Best time to book a flight from Knoxville to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Knoxville with our price prediction graph.
Estimated round-trip 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 Knoxville to the United Kingdom

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

Currently, November is the cheapest month in which you can book a flight from Knoxville to United Kingdom (average of $661). Flying from Knoxville to United Kingdom in June is currently the most expensive (average of $1,097). 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 TYS to GB?

Find hourly flight availability from Knoxville to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from Knoxville to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated August 14, 2025.
See what other customers who have flown with Delta, United Airlines, and Virgin Atlantic from Knoxville to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
657 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,266 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Knoxville to United Kingdom. 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 from for flights from Knoxville to United Kingdom?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson (TYS) is the airport most travelers will use when flying to United Kingdom from Knoxville.

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

    The most popular flight routes from Knoxville to United Kingdom are Knoxville McGhee Tyson - London Heathrow, Knoxville McGhee Tyson - Edinburgh Turnhouse and Knoxville McGhee Tyson - London City.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to United Kingdom 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 Knoxville to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Knoxville to United Kingdom (average of $661). Flying from Knoxville to United Kingdom in June is currently the most expensive (average of $1,097). 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

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Top 5 airlines flying from Knoxville to United Kingdom

Discover the top 5 airlines that operate flights from Knoxville to United Kingdom. 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 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$577Average$1,103FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$649Average$951FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$658Average$915FlexibilityNo cancel feeOn-time70%
DeltaCheapest$688Average$1,024FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$716Average$1,103FlexibilityNo cancel feeOn-time69%

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