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$347+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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The best prices from London Heathrow to Knoxville McGhee Tyson are usually found in November or March, booked 80 days in advance, depart on a Friday or Monday and return on a Wednesday

Cheap 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 February 22, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$773
(EaseMyTrip)

One-way from

$347
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$783
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
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One-way flight from London Heathrow to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 13% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 22, 2025.

This EaseMyTrip deal was found by Cheapflights users on 2/21. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/13:15 pmLHR - TYS
1 stop13h 27mVirgin Atlantic
Tue 4/85:00 pmTYS - LHR
1 stop15h 30mVirgin Atlantic
Deal found 2/21$773
This TravelUp deal was found by Cheapflights users on 2/21. 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.
Tue 4/110:05 amLHR - TYS
1 stop13h 06mBritish Airways
Tue 4/812:32 pmTYS - LHR
1 stop13h 48mBritish Airways
Deal found 2/21$788
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:30 amLHR - TYS
2 stops17h 12mDelta
Mon 4/712:55 pmTYS - LHR
2 stops16h 20mDelta
Deal found 2/21$803
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/27:40 amLHR - TYS
3 stops33h 18mMultiple Airlines
Mon 4/79:15 amTYS - LHR
2 stops21h 40mMultiple Airlines
Deal found 2/21$811
This The Travel House deal was found by Cheapflights users on 2/21. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/294:55 pmLHR - TYS
1 stop20h 04mFinnair
Sat 4/126:05 pmTYS - LHR
1 stop10h 00mFinnair
Deal found 2/21$867
This The Travel House deal was found by Cheapflights users on 2/21. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/297:30 amLHR - TYS
2 stops16h 04mLufthansa
Sat 4/1210:50 amTYS - LHR
1 stop14h 30mLufthansa
Deal found 2/21$886
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 3/297:30 amLHR - TYS
2 stops16h 04mUnited Airlines
Sat 4/129:55 amTYS - LHR
2 stops17h 40mUnited Airlines
Deal found 2/21$887
This Scandinavian Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 8/269:05 pmLHR - TYS
3 stops29h 40mScandinavian Airlines
Tue 9/166:10 pmTYS - LHR
2 stops22h 30mScandinavian Airlines
Deal found 2/21$2,115
This SmartFares deal was found by Cheapflights users on 2/21. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/19:00 pmLHR - TYS
3 stops46h 40mEthiopian Air
Tue 4/85:45 amTYS - LHR
2 stops46h 20mEthiopian Air
Deal found 2/21$3,935

Find flights from Heathrow to Knoxville within your budget

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 February 22, 2025.

Fly from

Heathrow

Fly to

Knoxville

Route

Depart

Return

Price

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 4/1

3:15 pm-11:42 pm

1 stop13h 27m

Knoxville McGhee Tyson

Tue 4/8

5:00 pm-1:30 pm

1 stop15h 30m

$773

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 4/1

10:05 am-6:11 pm

1 stop13h 06m

Knoxville McGhee Tyson

Tue 4/8

12:32 pm-7:20 am

1 stop13h 48m

$788

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 4/2

11:30 am-11:42 pm

2 stops17h 12m

Knoxville McGhee Tyson

Mon 4/7

12:55 pm-10:15 am

2 stops16h 20m

$803

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 4/2

7:40 am-11:58 am

3 stops33h 18m

Knoxville McGhee Tyson

Mon 4/7

9:15 am-11:55 am

2 stops21h 40m

$811

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 3/29

4:55 pm-8:59 am

1 stop20h 04m

Knoxville McGhee Tyson

Sat 4/12

6:05 pm-9:05 am

1 stop10h 00m

$867

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 3/29

7:30 am-7:34 pm

2 stops16h 04m

Knoxville McGhee Tyson

Sat 4/12

10:50 am-6:20 am

1 stop14h 30m

$886

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 3/29

7:30 am-7:34 pm

2 stops16h 04m

Knoxville McGhee Tyson

Sat 4/12

9:55 am-8:35 am

2 stops17h 40m

$887

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 4/1

9:00 pm-2:40 pm

3 stops46h 40m

Knoxville McGhee Tyson

Tue 4/8

5:45 am-9:05 am

2 stops46h 20m

$3,935

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 4/30

10:15 pm-12:00 pm

2 stops42h 45m

$347

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Tue 4/29

2:10 pm-9:21 am

2 stops24h 11m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on London Heathrow Airport-Knoxville flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on London Heathrow Airport-Knoxville flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.

Travel insights for flights from Heathrow to Knoxville

Get recent, data-driven insights about flights from Heathrow to Knoxville including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Knoxville. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Knoxville, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of $296). Flying from London Heathrow Airport to Knoxville in March is currently the most expensive (average of $376). 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.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated February 22, 2025.
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,213 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
653 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,759 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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. 2 airlines have flights to Knoxville McGhee Tyson from London Heathrow on a regular basis.

  • What are the cheapest airlines flying from London Heathrow Airport to Knoxville round-trip?

    Currently priced at $773, Virgin Atlantic will fly you from London Heathrow Airport to Knoxville and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Delta - these airlines can fly you to your destination from $788 and $803, respectively. Virgin Atlantic is priced at 13% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to Knoxville one-way?

    $539 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and Aer Lingus, with prices starting from $821 and $822, respectively.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of $296). Flying from London Heathrow Airport to Knoxville in March is currently the most expensive (average of $376). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Morristown
Corbin
Cherokee
Maryville
Oak Ridge
Alcoa
Murphy

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Heathrow to Knoxville

Discover the top 2 airlines that operate flights from Heathrow to Knoxville. 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$773Average$994FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$791Average$850FlexibilityNo cancel feeOn-time70%
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