HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$239+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to United Kingdom with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 17, 2025.

Round-trip from

$560
(Kiwi.com)

One-way from

$239
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$828
From Knoxville McGhee Tyson to United Kingdom
Search Deals
One-way flight from Knoxville McGhee Tyson to United Kingdom
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:15 amTYS - LGW
1 stop16h 45mMultiple Airlines
Mon 11/242:00 pmLGW - TYS
1 stop13h 52mMultiple Airlines
Deal found 9/16$560
This Delta deal was found by Cheapflights users on 9/16. 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 11/186:10 amTYS - LHR
1 stop19h 10mDelta
Tue 11/256:20 amLHR - TYS
2 stops18h 46mDelta
Deal found 9/16$569
This Delta deal was found by Cheapflights users on 9/16. 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 11/1812:25 pmTYS - LHR
1 stop13h 30mDelta
Wed 11/266:30 amLHR - TYS
2 stops17h 30mDelta
Deal found 9/16$570
This Delta deal was found by Cheapflights users on 9/17. 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 11/1910:22 amTYS - LHR
2 stops15h 33mDelta
Tue 11/256:20 amLHR - TYS
2 stops18h 40mDelta
Deal found 9/17$573
This Delta deal was found by Cheapflights users on 9/16. 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 10/143:48 pmTYS - LHR
2 stops14h 12mDelta
Tue 10/219:55 amLHR - TYS
2 stops18h 12mDelta
Deal found 9/16$574
This Virgin Atlantic deal was found by Cheapflights users on 9/17. 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 11/196:29 amTYS - LHR
1 stop19h 36mVirgin Atlantic
Wed 11/2610:45 amLHR - TYS
1 stop14h 21mVirgin Atlantic
Deal found 9/17$577
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:48 pmTYS - LHR
2 stops20h 12mScandinavian Airlines
Thu 11/66:40 amLHR - TYS
2 stops22h 06mScandinavian Airlines
Deal found 9/15$598
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:15 amTYS - LGW
1 stop16h 45mMultiple Airlines
Thu 11/272:00 pmLGW - TYS
1 stop34h 19mMultiple Airlines
Deal found 9/16$603
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:48 pmTYS - LHR
2 stops21h 52mScandinavian Airlines
Mon 11/36:40 amLHR - TYS
2 stops22h 06mScandinavian Airlines
Deal found 9/15$604
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:51 amTYS - EDI
1 stop16h 34mUnited Airlines
Fri 11/712:30 pmEDI - TYS
1 stop16h 29mUnited Airlines
Deal found 9/16$630
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:30 amTYS - LGW
2 stops31h 45mMultiple Airlines
Mon 11/242:00 pmLGW - TYS
1 stop13h 52mMultiple Airlines
Deal found 9/16$643
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:50 amTYS - EDI
1 stop18h 35mUnited Airlines
Fri 11/712:30 pmEDI - TYS
1 stop12h 50mUnited Airlines
Deal found 9/16$680

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 September 17, 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 11/19

8:15 am-6:00 am

1 stop16h 45m

London Gatwick

Mon 11/24

2:00 pm-10:52 pm

1 stop13h 52m

$560

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 11/18

6:10 am-6:20 am

1 stop19h 10m

London Heathrow

Tue 11/25

6:20 am-8:06 pm

2 stops18h 46m

$569

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 11/19

6:10 am-8:05 am

1 stop20h 55m

London Heathrow

Tue 11/25

6:20 am-8:06 pm

2 stops18h 46m

$569

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 11/19

5:25 am-6:25 am

1 stop20h 00m

London Heathrow

Wed 11/26

6:30 am-7:00 pm

2 stops17h 30m

$570

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 10/14

3:48 pm-11:00 am

2 stops14h 12m

London Heathrow

Tue 10/21

9:55 am-11:07 pm

2 stops18h 12m

$574

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 10/13

8:10 pm-1:30 pm

1 stop12h 20m

London Heathrow

Thu 10/23

3:15 pm-11:46 pm

1 stop13h 31m

$576

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 11/18

3:51 pm-7:50 am

1 stop10h 59m

London Heathrow

Thu 11/27

10:45 am-6:54 pm

1 stop13h 09m

$576

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 11/19

6:29 am-7:05 am

1 stop19h 36m

London Heathrow

Wed 11/26

10:45 am-8:06 pm

1 stop14h 21m

$577

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 11/19

6:29 am-7:05 am

1 stop19h 36m

London Heathrow

Tue 11/25

8:55 am-8:06 pm

1 stop16h 11m

$577

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 3/1

7:30 am-8:45 am

1 stop20h 15m

London Heathrow

Fri 3/13

3:50 pm-9:13 am

1 stop21h 23m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 58 results
1
2
3
...
6

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 September 17, 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 September 17, 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
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
664 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
7,367 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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.

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

    For as low as $708, Delta can have you in United Kingdom from Knoxville in 14h 45m. There are 3830 mi between Knoxville and United Kingdom. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Heathrow flights
Nashville to Gatwick flights
Nashville to Dublin flights
Nashville to Leonardo da Vinci/Fiumicino flights
Nashville to Charles de Gaulle flights
Nashville to London City flights
Nashville to Keflavik Intl flights
Nashville to Madrid flights
Nashville to Orly flights
Nashville to Lisbon flights
Nashville to Frankfurt flights
Nashville to Stansted flights
Nashville to Barcelona-El Prat flights
Nashville to Istanbul flights
Knoxville to Heathrow flights
Nashville to Amsterdam flights
Nashville to Edinburgh flights
Memphis to Heathrow flights
Knoxville to Charles de Gaulle flights
Nashville to Vienna flights
Nashville to Athens flights
Nashville to Manchester flights
Knoxville to Dublin flights
Knoxville to Frankfurt flights
Knoxville to Edinburgh flights
Nashville to Copenhagen flights
Nashville to Munich flights
Nashville to Zurich flights
Memphis to Leonardo da Vinci/Fiumicino flights
Nashville to Malpensa flights
Nashville to Glasgow Intl flights
Memphis to Edinburgh flights
Knoxville to London City flights
Nashville to Bruxelles-National flights
Nashville to Sabiha Gokcen flights
Nashville to Budapest flights
Nashville to Linate flights
Knoxville to Orly flights
Nashville to Naples flights
Memphis to Charles de Gaulle flights
Knoxville to Leonardo da Vinci/Fiumicino flights
Knoxville to Prague flights
Nashville to Nice flights
Nashville to Prague flights
Memphis to Berlin flights
Memphis to Frankfurt flights
Nashville to Arlanda flights
Nashville to Porto flights
Chattanooga to Charles de Gaulle flights
Memphis to Amsterdam flights

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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$577Average$1,106FlexibilityNo cancel feeOn-time72%
DeltaCheapest$624Average$1,047FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$649Average$955FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$671Average$962FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$732Average$1,023FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.