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$441+ Cheap flights from Kingsport, TN to Heathrow (LHR)

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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Cheap flight deals from Kingsport to Heathrow

Keep the following information in mind while searching for Kingsport to Heathrow flight deals. Data was last updated August 19, 2025.

Round-trip from

$733
(Delta)

One-way from

$441
(Delta)

Popular in

June

Cheapest in

October

Average price

$805
From Kingsport to London Heathrow
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One-way flight from Kingsport to London Heathrow
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Highest demand for flights based on searches. 33% potential increase in price ($454 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Kingsport to Heathrow

Cheapest flights from Kingsport to Heathrow
Explore the most affordable flight options available from Kingsport to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

This Delta deal was found by Cheapflights users on 8/18. 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.
Thu 9/410:57 amTRI - LHR
1 stop15h 18mDelta
Sun 9/149:00 amLHR - TRI
2 stops18h 37mDelta
Deal found 8/18$733
This Delta deal was found by Cheapflights users on 8/18. 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.
Fri 10/31:22 pmTRI - LHR
2 stops14h 53mDelta
Sat 10/118:25 pmLHR - TRI
2 stops27h 12mDelta
Deal found 8/18$746
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 10/17:15 pmTRI - LHR
1 stop12h 15mAmerican Airlines
Wed 10/89:15 amLHR - TRI
1 stop14h 45mAmerican Airlines
Deal found 8/17$751
This Delta deal was found by Cheapflights users on 8/17. 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 10/110:56 amTRI - LHR
1 stop21h 34mDelta
Wed 10/86:15 amLHR - TRI
2 stops21h 06mDelta
Deal found 8/17$753
This Virgin Atlantic deal was found by Cheapflights users on 8/17. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:22 pmTRI - LHR
2 stops14h 53mVirgin Atlantic
Wed 10/89:35 amLHR - TRI
2 stops17h 46mVirgin Atlantic
Deal found 8/17$766
This Delta deal was found by Cheapflights users on 8/18. 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 9/1710:56 amTRI - LHR
1 stop21h 34mDelta
Sun 9/216:30 amLHR - TRI
2 stops17h 05mDelta
Deal found 8/18$799
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/24:06 pmTRI - LHR
1 stop11h 59mAmerican Airlines
Thu 10/99:15 amLHR - TRI
1 stop17h 39mAmerican Airlines
Deal found 8/18$801
This Delta deal was found by Cheapflights users on 8/18. 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 9/171:22 pmTRI - LHR
2 stops12h 53mDelta
Mon 9/229:55 amLHR - TRI
2 stops17h 42mDelta
Deal found 8/18$804

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingsport to Heathrow 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 August 19, 2025.
Use the filters below to find and compare flights from Kingsport to London Heathrow Airport that are best for you.

Fly from

Kingsport

Fly to

Heathrow

Route

Depart

Return

Price

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Thu 9/4

10:57 am-7:15 am

1 stop15h 18m

London Heathrow

Sun 9/14

9:00 am-10:37 pm

2 stops18h 37m

$733

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Fri 10/3

7:17 pm-1:30 pm

1 stop13h 13m

London Heathrow

Sat 10/11

6:50 pm-12:43 pm

2 stops22h 53m

$746

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 10/1

12:27 pm-9:05 am

1 stop15h 38m

London Heathrow

Wed 10/8

9:15 am-5:00 pm

1 stop12h 45m

$751

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 10/1

10:56 am-1:30 pm

1 stop21h 34m

London Heathrow

Wed 10/8

6:15 am-10:21 pm

2 stops21h 06m

$753

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 10/1

1:22 pm-9:15 am

2 stops14h 53m

London Heathrow

Wed 10/8

9:20 am-10:21 pm

1 stop18h 01m

$766

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 11/11

3:50 pm-7:50 am

1 stop11h 00m

$441

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 11/11

10:15 am-10:15 am

2 stops19h 00m

$441

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 11/11

3:34 pm-9:15 am

1 stop12h 41m

$463

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 11/11

6:05 am-12:50 pm

2 stops25h 45m

$1,753

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Best time to book a flight from Kingsport to Heathrow

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

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

Currently, November is the cheapest month in which you can book a flight from Kingsport to London Heathrow Airport (average of $661). Flying from Kingsport to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

What is the cheapest time of day to fly from K1N to LHR?

Find hourly flight availability from Kingsport to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 19, 2025.

When flying from Kingsport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Kingsport to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Kingsport to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kingsport to London Heathrow Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated August 19, 2025.
See what other customers who have flown with Delta, Virgin Atlantic, and American Airlines from Kingsport to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
657 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Kingsport to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Delta can get you from Kingsport to London Heathrow Airport in just under 15h 18m. Your travel time can differ by up to . The distance between Kingsport and London Heathrow Airport is about 3980 mi.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Kingsport to London Heathrow Airport (average of $661). Flying from Kingsport to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Dartford
Dover
Stratford-upon-Avon
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Bedford
Folkestone
Chichester

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Kingsport to Heathrow

Discover the top 5 airlines that operate flights from Kingsport to Heathrow. 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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$572Average$904FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$654Average$981FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$654Average$1,008FlexibilityNo cancel feeOn-time71%
DeltaCheapest$676Average$823FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$693Average$854FlexibilityNo cancel feeOn-time70%

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