$494+ Cheap flights from Heathrow (LHR) to Knoxville (TYS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Knoxville 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 Heathrow to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to KnoxvilleExplore 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 October 24, 2026.
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 October 24, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 10/23. 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 11/236:40 am -
2 stops20h 42m
Mon 12/74:01 pm -
2 stops20h 39m
Deal found 10/23![Scandinavian Airlines logo]()
$783
This Expedia deal was found by Cheapflights users on 10/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/276:40 am -
2 stops22h 10m
Sat 5/14:00 pm -
2 stops19h 00m
Deal found 10/21![Scandinavian Airlines logo]()
$806
This WAYA deal was found by Cheapflights users on 10/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:10 pm -
1 stop26h 22m
Thu 11/57:10 am -
1 stop18h 50m
Deal found 10/20![Multiple Airlines logo]()
$910
This Expedia deal was found by Cheapflights users on 10/20. 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.
Tue 11/179:30 am -
2 stops19h 29m
Wed 12/27:45 pm -
1 stop10h 05m
Deal found 10/20![Lufthansa logo]()
$921
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 11/179:00 am -
2 stops19h 59m
Wed 12/210:57 am -
1 stop13h 58m
Deal found 10/19![United Airlines logo]()
$941
Best flights from Heathrow to KnoxvilleDiscover carefully curated flight deals from Heathrow to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Heathrow to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 10/23. 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 11/236:40 am -
2 stops20h 42m
Mon 12/74:01 pm -
2 stops20h 39m
Deal found 10/23![Scandinavian Airlines logo]()
$783
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 11/179:00 am -
2 stops19h 59m
Wed 12/210:57 am -
1 stop13h 58m
Deal found 10/19![United Airlines logo]()
$941
This Iberia deal was found by Cheapflights users on 10/23. 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.
Mon 11/234:30 pm -
1 stop12h 17m
Mon 12/711:22 am -
1 stop18h 03m
Deal found 10/23![Iberia logo]()
$1,008
This Lufthansa deal was found by Cheapflights users on 10/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:00 pm -
1 stop13h 37m
Thu 12/107:45 pm -
1 stop10h 05m
Deal found 10/19![Lufthansa logo]()
$1,018
This British Airways deal was found by Cheapflights users on 10/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:55 am -
1 stop11h 53m
Wed 12/25:17 pm -
1 stop13h 43m
Deal found 10/21![British Airways logo]()
$1,022
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 11/239:30 am -
2 stops15h 06m
Mon 12/72:07 pm -
1 stop11h 33m
Deal found 10/23![United Airlines logo]()
$976
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:05 am -
2 stops37h 42m
Sun 12/137:45 pm -
2 stops34h 30m
Deal found 10/22![United Airlines logo]()
$987
Last-minute flights from Heathrow to KnoxvilleDiscover last-minute flight deals from Heathrow to Knoxville. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Knoxville. Data last updated October 24, 2026 and is based on user searches.
This WAYA deal was found by Cheapflights users on 10/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:10 pm -
1 stop26h 22m
Thu 11/57:10 am -
1 stop18h 50m
Deal found 10/20![Multiple Airlines logo]()
$910
This Expedia deal was found by Cheapflights users on 10/20. 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.
Tue 11/179:30 am -
2 stops19h 29m
Wed 12/27:45 pm -
1 stop10h 05m
Deal found 10/20![Lufthansa logo]()
$921
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 11/179:00 am -
2 stops19h 59m
Wed 12/210:57 am -
1 stop13h 58m
Deal found 10/19![United Airlines logo]()
$941
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:00 am -
2 stops19h 59m
Wed 11/251:56 pm -
1 stop17h 04m
Deal found 10/21![United Airlines logo]()
$966
This Scandinavian Airlines deal was found by Cheapflights users on 10/23. 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 11/236:40 am -
2 stops20h 42m
Mon 12/74:01 pm -
2 stops20h 39m
Deal found 10/23![Scandinavian Airlines logo]()
$783
One-way flights from Heathrow to KnoxvilleSearch for one-way flight options from Heathrow to Knoxville. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Heathrow to Knoxville. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:30 pm -
2 stops48h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Sat 12/51:45 pm -
2 stops29h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Mon 12/288:35 pm -
2 stops44h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:30 am -
3 stops32h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Fri 10/308:35 pm -
2 stops42h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$656
This Iberia deal was found by Cheapflights users on 10/19. 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.
Mon 12/146:15 am -
2 stops22h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Iberia logo]()
$664
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Sat 10/3112:15 pm -
2 stops26h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$669
This Finnair deal was found by Cheapflights users on 10/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:10 pm -
1 stop12h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$681
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:30 am -
3 stops34h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$704
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 11/27:30 pm -
3 stops47h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$707
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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $783 (Scandinavian Airlines) |
One-way from | $494 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $868 |
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 7,457,451 searches. Data last updated October 24, 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
Cheapest round-trip
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 12/7
6:30 pm-2:08 pm
2 stops48h 38m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$494
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 12/28
8:35 pm-11:53 am
2 stops44h 18m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$581
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sat 12/5
2:50 pm-8:27 am
3 stops46h 37m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$599
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sat 11/14
7:30 am-11:23 am
3 stops32h 53m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$652
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Fri 10/30
8:35 pm-10:44 am
2 stops42h 09m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$656
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 12/14
6:15 am-11:26 pm
2 stops22h 11m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$664
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 12/7
12:05 pm-6:18 pm
1 stop35h 13m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$669
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sat 10/31
12:15 pm-10:44 am
2 stops26h 29m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$669
Quickest round-trip
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 12/14
1:10 pm-8:58 pm
1 stop12h 48m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$681
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 12/28
10:50 am-8:03 pm
1 stop14h 13m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$704
Showing 1-10 of 19 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
LHR-TYS
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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of $868). 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 $860 and $966 in November.The cheapest round-trip price found within the last 5 days was $783 on Scandinavian Airlines (Nov 23-Dec 7).
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.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Newport
Bryson City
Murphy
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