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$218+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:38 pm
TYS
-
EDI
2 stops14h 57m
American Airlines
Tue 4/1411:25 am
EDI
-
TYS
1 stop15h 32m
American Airlines
Deal found 2/10$629
This oojo deal was found by Cheapflights users on 2/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:10 am
TYS
-
EDI
1 stop20h 20m
British Airways
Tue 4/1411:25 am
EDI
-
TYS
1 stop15h 32m
British Airways
Deal found 2/12$638
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:02 pm
TYS
-
EDI
2 stops13h 28m
British Airways
Fri 10/2311:25 am
EDI
-
TYS
1 stop28h 23m
British Airways
Deal found 2/10$641
This Iberia deal was found by Cheapflights users on 2/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:06 pm
TYS
-
LHR
1 stop14h 09m
Iberia
Wed 5/66:15 am
LHR
-
TYS
2 stops20h 06m
Iberia
Deal found 2/12$644
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:06 pm
TYS
-
LHR
1 stop12h 24m
British Airways
Mon 4/207:25 pm
LHR
-
TYS
2 stops29h 53m
British Airways
Deal found 2/10$646
This oojo deal was found by Cheapflights users on 2/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:47 pm
TYS
-
LHR
1 stop10h 18m
British Airways
Mon 4/137:25 pm
LHR
-
TYS
2 stops29h 53m
British Airways
Deal found 2/11$647
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 4/187:20 pm
TYS
-
LHR
1 stop30h 35m
United Airlines
Tue 5/56:50 am
LHR
-
TYS
2 stops18h 22m
United Airlines
Deal found 2/10$648
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/229:00 am
TYS
-
LHR
1 stop21h 35m
United Airlines
Wed 5/67:25 am
LHR
-
TYS
2 stops17h 47m
United Airlines
Deal found 2/10$649
This oojo deal was found by Cheapflights users on 2/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:57 pm
TYS
-
LHR
1 stop31h 58m
British Airways
Tue 5/57:25 pm
LHR
-
TYS
2 stops29h 53m
British Airways
Deal found 2/12$652
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:20 pm
TYS
-
LHR
2 stops16h 45m
Lufthansa
Mon 4/207:30 pm
LHR
-
TYS
2 stops31h 59m
Lufthansa
Deal found 2/10$655
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
TYS
-
LHR
1 stop18h 45m
United Airlines
Wed 5/207:30 am
LHR
-
TYS
2 stops18h 15m
United Airlines
Deal found 2/11$660
This FlightHub deal was found by Cheapflights users on 2/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:20 pm
TYS
-
LHR
2 stops30h 15m
Air Canada
Tue 5/59:30 am
LHR
-
TYS
2 stops40h 15m
Air Canada
Deal found 2/10$666

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$629
(American Airlines)

One-way from

$218
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$631
Provider with most accurate pricing for Knoxville McGhee Tyson-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-London (LON) flights.
Search Deals
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. 24% potential increase in price ($264 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 13, 2026.
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

KnoxvilleEdinburgh

TYS - EDI

TYSEDI

Knoxville McGhee Tyson

Tue 3/31

6:38 pm-2:35 pm

2 stops14h 57m

Edinburgh Turnhouse

Tue 4/14

11:25 am-9:57 pm

1 stop15h 32m

$629

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 4/15

5:06 pm-10:30 am

1 stop12h 24m

London Heathrow

Mon 4/20

7:25 pm-8:18 pm

2 stops29h 53m

$646

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 4/22

9:40 am-6:45 am

2 stops16h 05m

London Heathrow

Wed 5/6

7:25 am-8:12 pm

2 stops17h 47m

$653

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/6

7:00 am-5:55 am

2 stops17h 55m

London Heathrow

Wed 5/20

7:30 am-8:45 pm

2 stops18h 15m

$660

KnoxvilleEdinburgh

TYS - EDI

TYSEDI

Knoxville McGhee Tyson

Thu 4/23

7:00 am-10:20 am

2 stops22h 20m

Edinburgh Turnhouse

Thu 4/30

11:25 am-9:57 pm

1 stop15h 32m

$671

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/6

5:54 pm-1:15 pm

1 stop14h 21m

London Heathrow

Wed 5/20

10:45 am-9:25 pm

1 stop15h 40m

$677

KnoxvilleEdinburgh

TYS - EDI

TYSEDI

Knoxville McGhee Tyson

Fri 4/24

8:48 pm-10:45 am

2 stops32h 57m

Edinburgh Turnhouse

Mon 5/11

7:35 pm-8:18 pm

2 stops29h 43m

$686

KnoxvilleManchester

TYS - MAN

TYSMAN

Knoxville McGhee Tyson

Thu 4/2

5:10 pm-8:50 am

1 stop10h 40m

Manchester

Tue 4/14

1:00 pm-3:52 pm

1 stop31h 52m

$692

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 4/5

7:00 am-6:45 am

1 stop18h 45m

London Heathrow

Sun 4/12

7:25 am-7:42 pm

2 stops17h 17m

$699

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 3/11

10:55 am-6:40 am

2 stops15h 45m

London Heathrow

Wed 3/18

6:50 am-8:47 pm

2 stops17h 57m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

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, July is the cheapest month in which you can book a flight from Knoxville to United Kingdom (average of $537). Flying from Knoxville to United Kingdom in June is currently the most expensive (average of $896). 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 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 February 13, 2026.
See what other customers who have flown with Delta, Virgin Atlantic, and United Airlines 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
7.9
Good
8,192 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,192 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Virgin Atlantic
7.5
Good
678 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,285 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,276 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,737 reviews
Delta
7.9
Good
8,192 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $646, American Airlines can have you in United Kingdom from Knoxville in 12h 24m. There are 4076 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 - London City and Knoxville McGhee Tyson - London Gatwick.

  • 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, July is the cheapest month in which you can book a flight from Knoxville to United Kingdom (average of $537). Flying from Knoxville to United Kingdom in June is currently the most expensive (average of $896). 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$560Average$835FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$572Average$1,189FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$610Average$951FlexibilityNo cancel feeOn-time71%
DeltaCheapest$622Average$1,066FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$716Average$1,049FlexibilityNo cancel feeOn-time69%

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