$586+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
Oct 6 — Oct 131
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
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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 September 6, 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 September 6, 2026.
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:25 am -
1 stop15h 20m
Wed 10/2110:42 am -
1 stop15h 03m
Deal found 9/3![United Airlines logo]()
$742
This lastminute.com deal was found by Cheapflights users on 9/1. 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.
Tue 10/206:40 am -
2 stops20h 42m
Sat 10/244:11 pm -
2 stops21h 29m
Deal found 9/1![Scandinavian Airlines logo]()
$794
This Scandinavian Airlines deal was found by Cheapflights users on 9/4. 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 10/16:40 am -
2 stops22h 15m
Wed 10/286:23 pm -
2 stops17h 37m
Deal found 9/4![Scandinavian Airlines logo]()
$799
This Expedia deal was found by Cheapflights users on 9/4. 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.
Wed 9/307:30 pm -
2 stops33h 25m
Wed 11/182:40 pm -
2 stops20h 20m
Deal found 9/4![Scandinavian Airlines logo]()
$813
This Expedia deal was found by Cheapflights users on 9/4. 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 stops15h 06m
Tue 12/11:55 pm -
1 stop11h 45m
Deal found 9/4![Lufthansa logo]()
$919
This United Airlines deal was found by Cheapflights users on 9/4. 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 stops16h 54m
Tue 12/110:57 am -
2 stops14h 43m
Deal found 9/4![United Airlines logo]()
$924
This TravelUp deal was found by Cheapflights users on 9/4. 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.
Tue 11/172:10 pm -
1 stop13h 38m
Tue 12/16:05 pm -
1 stop12h 55m
Deal found 9/4![British Airways logo]()
$931
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/2812:15 pm -
2 stops27h 14m
Sat 11/146:00 am -
1 stop20h 50m
Deal found 9/2![Multiple Airlines logo]()
$940
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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.
Sun 11/226:30 am -
2 stops19h 24m
Tue 12/17:35 pm -
1 stop10h 15m
Deal found 9/4![Lufthansa logo]()
$941
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/308:40 am -
2 stops17h 09m
Wed 11/1110:45 am -
2 stops14h 35m
Deal found 9/3![United Airlines logo]()
$942
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/308:40 am -
2 stops17h 09m
Wed 11/183:45 pm -
1 stop13h 30m
Deal found 9/4![United Airlines logo]()
$943
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 September 6, 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 September 6, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 10/207:05 am -
3 stops20h 17m
Sat 10/244:11 pm -
2 stops21h 29m
Deal found 9/1![Scandinavian Airlines logo]()
$804
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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.
Sun 11/226:30 am -
2 stops19h 24m
Tue 12/17:35 pm -
1 stop10h 15m
Deal found 9/4![Lufthansa logo]()
$941
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/17:30 am -
2 stops17h 49m
Thu 10/85:45 am -
2 stops19h 45m
Deal found 9/3![United Airlines logo]()
$969
This Scandinavian Airlines deal was found by Cheapflights users on 9/4. 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 1/286:40 am -
2 stops22h 06m
Mon 2/15:57 pm -
2 stops34h 23m
Deal found 9/4![Scandinavian Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/36:50 am -
2 stops18h 29m
Sun 10/188:30 am -
1 stop32h 05m
Deal found 9/3![United Airlines logo]()
$970
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/17:30 am -
2 stops18h 19m
Wed 10/214:16 pm -
2 stops13h 24m
Deal found 9/1![United Airlines logo]()
$973
This United Airlines deal was found by Cheapflights users on 9/4. 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 1/286:50 am -
2 stops17h 27m
Mon 2/112:20 pm -
1 stop13h 00m
Deal found 9/4![United Airlines logo]()
$982
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/17:30 am -
2 stops18h 19m
Wed 10/79:45 am -
2 stops16h 00m
Deal found 9/5![United Airlines logo]()
$990
Last-minute flights from Heathrow to KnoxvilleDiscover last-minute flight deals from Heathrow to Knoxville. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Knoxville. Data last updated September 6, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/4. 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.
Wed 9/307:30 pm -
2 stops33h 25m
Wed 11/182:40 pm -
2 stops20h 20m
Deal found 9/4![Scandinavian Airlines logo]()
$813
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/308:40 am -
2 stops17h 09m
Wed 11/1110:45 am -
2 stops14h 35m
Deal found 9/3![United Airlines logo]()
$942
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/308:40 am -
2 stops17h 09m
Wed 11/183:45 pm -
1 stop13h 30m
Deal found 9/4![United Airlines logo]()
$943
This TravelUp deal was found by Cheapflights users on 9/3. 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.
Wed 9/309:15 am -
1 stop13h 16m
Wed 11/115:19 pm -
1 stop13h 41m
Deal found 9/3![British Airways logo]()
$948
This TravelUp deal was found by Cheapflights users on 9/4. 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.
Wed 9/302:25 pm -
1 stop13h 17m
Wed 11/184:59 pm -
1 stop12h 26m
Deal found 9/4![British Airways logo]()
$949
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:25 am -
1 stop15h 20m
Wed 10/2110:42 am -
1 stop15h 03m
Deal found 9/3![United Airlines logo]()
$742
This Scandinavian Airlines deal was found by Cheapflights users on 9/4. 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 10/16:40 am -
2 stops22h 15m
Wed 10/286:23 pm -
2 stops17h 37m
Deal found 9/4![Scandinavian Airlines logo]()
$799
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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.
Thu 10/18:30 am -
2 stops16h 49m
Wed 10/71:55 pm -
1 stop11h 50m
Deal found 9/5![Lufthansa logo]()
$959
This Expedia deal was found by Cheapflights users on 9/4. 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.
Mon 10/194:40 pm -
1 stop12h 19m
Mon 10/264:30 pm -
1 stop11h 55m
Deal found 9/4![Lufthansa logo]()
$962
This lastminute.com deal was found by Cheapflights users on 9/1. 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.
Tue 10/206:40 am -
2 stops20h 42m
Sat 10/244:11 pm -
2 stops21h 29m
Deal found 9/1![Scandinavian Airlines logo]()
$794
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/2812:15 pm -
2 stops27h 14m
Sat 11/146:00 am -
1 stop20h 50m
Deal found 9/2![Multiple Airlines logo]()
$940
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 September 6, 2026.
Search for one-way flight options from Heathrow to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 2/2010:00 am -
2 stops32h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/199:55 am -
3 stops57h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$592
This TravelUp deal was found by Cheapflights users on 9/3. 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.
Sat 2/201:10 pm -
1 stop13h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![British Airways logo]()
$687
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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.
Mon 10/194:40 pm -
1 stop12h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Lufthansa logo]()
$740
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $742 |
One-way from | $586 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $949 |
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 September 6, 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
Sat 2/20
10:00 am-1:38 pm
2 stops32h 38m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$586
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Mon 10/19
9:55 am-1:58 pm
3 stops57h 03m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$592
Quickest round-trip
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sat 2/20
1:10 pm-9:47 pm
1 stop13h 37m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$687
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Tue 10/20
7:05 am-10:22 pm
3 stops20h 17m
Knoxville McGhee Tyson
Sat 10/24
4:11 pm-6:40 pm
2 stops21h 29m
$804
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Thu 1/28
6:40 am-11:46 pm
2 stops22h 06m
Knoxville McGhee Tyson
Mon 2/1
5:57 pm-9:20 am
2 stops34h 23m
$814
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sun 11/22
6:30 am-8:54 pm
2 stops19h 24m
Knoxville McGhee Tyson
Tue 12/1
7:35 pm-10:50 am
1 stop10h 15m
$941
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Thu 10/1
7:30 am-8:19 pm
2 stops17h 49m
Knoxville McGhee Tyson
Thu 10/8
5:45 am-6:30 am
2 stops19h 45m
$969
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Sat 10/3
6:50 am-8:19 pm
2 stops18h 29m
Knoxville McGhee Tyson
Sun 10/18
8:30 am-9:35 pm
1 stop32h 05m
$970
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Thu 10/1
7:30 am-8:49 pm
2 stops18h 19m
Knoxville McGhee Tyson
Wed 10/21
4:16 pm-10:40 am
2 stops13h 24m
$973
LondonKnoxville
LHR London Heathrow - TYS Knoxville McGhee Tyson
LHRTYS
London Heathrow
Thu 1/28
6:50 am-7:17 pm
2 stops17h 27m
Knoxville McGhee Tyson
Mon 2/1
12:20 pm-6:20 am
1 stop13h 00m
$982
Showing 1-10 of 11 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of $797). 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 $803 and $1,031 in October.The cheapest round-trip price found within the last 5 days was $742 on United Airlines (Oct 1-Oct 21).
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
Bryson City
Murphy
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