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$594+ Cheap flights from Heathrow (LHR) to Knoxville (TYS)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Heathrow to Knoxville

Cheapest flights from Heathrow to Knoxville
Explore the most affordable flight options available from Heathrow to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This TravelUp deal was found by Cheapflights users on 7/21. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:40 am
LHR
-
TYS
2 stops20h 10m
Scandinavian Airlines
Thu 9/242:08 pm
TYS
-
LHR
2 stops20h 52m
Scandinavian Airlines
Deal found 7/21$761
This Expedia deal was found by Cheapflights users on 7/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:30 pm
LHR
-
TYS
2 stops32h 09m
Scandinavian Airlines
Fri 9/115:45 pm
TYS
-
LHR
2 stops14h 50m
Scandinavian Airlines
Deal found 7/25$785
This Scandinavian Airlines deal was found by Cheapflights users on 7/21. 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 9/36:40 am
LHR
-
TYS
2 stops22h 12m
Scandinavian Airlines
Sun 9/65:00 pm
TYS
-
LHR
2 stops20h 30m
Scandinavian Airlines
Deal found 7/21$790
This TravelUp deal was found by Cheapflights users on 7/25. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:40 am
LHR
-
TYS
2 stops22h 12m
Multiple Airlines
Fri 9/115:45 pm
TYS
-
LHR
2 stops14h 50m
Multiple Airlines
Deal found 7/25$831
This Scandinavian Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 9/76:40 am
LHR
-
TYS
3 stops22h 12m
Scandinavian Airlines
Mon 9/214:40 pm
TYS
-
LHR
2 stops24h 00m
Scandinavian Airlines
Deal found 7/22$837
This The Travel House deal was found by Cheapflights users on 7/25. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:45 pm
LHR
-
TYS
2 stops23h 43m
Finnair
Wed 11/114:12 pm
TYS
-
LHR
1 stop12h 03m
Finnair
Deal found 7/25$840
This The Travel House deal was found by Cheapflights users on 7/24. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:15 am
LHR
-
TYS
2 stops13h 19m
Finnair
Tue 9/86:57 am
TYS
-
LHR
2 stops21h 43m
Finnair
Deal found 7/24$852
This Ticket deal was found by Cheapflights users on 7/25. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:40 am
LHR
-
TYS
2 stops16h 35m
Virgin Atlantic
Tue 9/156:13 pm
TYS
-
LHR
1 stop14h 02m
Virgin Atlantic
Deal found 7/25$874
This Travelis deal was found by Cheapflights users on 7/25. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:15 pm
LHR
-
TYS
1 stop16h 44m
Lufthansa
Tue 9/157:20 pm
TYS
-
LHR
1 stop10h 20m
Lufthansa
Deal found 7/25$882

Find flight deals from Heathrow to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$761
(TravelUp)

One-way from

$594
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,123
Provider with most accurate pricing for London Heathrow-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Knoxville McGhee Tyson flights.
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From London Heathrow to Knoxville McGhee Tyson
Search Deals
One-way flight from London Heathrow to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow 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 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 9/14

6:40 am-9:50 pm

2 stops20h 10m

Knoxville McGhee Tyson

Thu 9/24

2:08 pm-4:00 pm

2 stops20h 52m

$761

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 9/3

6:40 am-11:52 pm

2 stops22h 12m

Knoxville McGhee Tyson

Sun 9/6

5:00 pm-6:30 pm

2 stops20h 30m

$790

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 8/31

12:10 pm-2:37 pm

2 stops55h 27m

Knoxville McGhee Tyson

Mon 9/7

7:20 pm-9:25 pm

2 stops21h 05m

$901

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 10/13

10:50 am-11:59 pm

2 stops18h 09m

Knoxville McGhee Tyson

Tue 10/20

1:55 pm-9:20 am

2 stops14h 25m

$926

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 11/22

11:05 am-4:59 pm

2 stops34h 54m

Knoxville McGhee Tyson

Tue 12/1

7:35 pm-10:50 am

1 stop10h 15m

$931

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 9/7

6:40 am-11:52 pm

2 stops22h 12m

Knoxville McGhee Tyson

Mon 9/14

4:40 pm-9:40 pm

2 stops24h 00m

$935
Quickest round-trip

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/8

9:15 am-3:57 pm

1 stop11h 42m

Knoxville McGhee Tyson

Tue 9/15

3:53 pm-6:55 am

1 stop10h 02m

$937

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 9/8

9:55 am-8:15 pm

2 stops15h 20m

Knoxville McGhee Tyson

Tue 9/15

7:50 am-6:25 am

1 stop17h 35m

$940

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 10/11

5:55 pm-8:19 pm

2 stops31h 24m

Knoxville McGhee Tyson

Sun 10/18

7:25 pm-11:20 am

2 stops34h 55m

$940

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 8/31

12:15 pm-8:24 pm

1 stop13h 09m

Knoxville McGhee Tyson

Tue 9/8

1:59 pm-6:45 am

1 stop11h 46m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Heathrow to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Knoxville in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Heathrow 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 London Heathrow Airport to Knoxville

What is the cheapest month to book a flight from London Heathrow Airport to Knoxville?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of $740). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of $1,414). 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.

How much does it cost to fly round-trip from London Heathrow Airport to Knoxville?

Airfare is below average for this route at the moment.

London Heathrow Airport to Knoxville flights typically cost between $1,058 and $1,314 in September.
The cheapest round-trip price found within the last 5 days was $761 on Scandinavian Airlines (Sep 14-Sep 24).

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 London Heathrow?

    For a flight from London Heathrow to Knoxville, you will be flying into McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city. McGhee Tyson is the only Knoxville airport and it handles 0 inbound flights from London Heathrow per day. 0 airlines have flights to Knoxville McGhee Tyson from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Knoxville?

    Airlines like Scandinavian Airlines and United Airlines fly from London Heathrow Airport to Knoxville in about 20h 10m. The time it takes to get you to your destination can typically vary by up to 35h 17m. The distance between London Heathrow Airport and Knoxville is about 4076 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Heathrow to Knoxville?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Knoxville?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of $740). Flying from London Heathrow Airport to Knoxville in December is currently the most expensive (average of $1,414). 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

Traveling to a place near Knoxville?

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Murphy
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