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$350+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$568
(Delta)

One-way from

$350
(Ovago)

Popular in

June

Cheapest in

November

Average price

$860
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. 17% potential increase in price ($203 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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 10/291:28 pmTRI - LHR
1 stop15h 32mDelta
Wed 11/58:55 amLHR - TRI
2 stops18h 26mDelta
Deal found 9/14$568
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:28 pmTRI - LHR
1 stop15h 32mKLM
Wed 11/53:50 pmLHR - TRI
1 stop22h 32mKLM
Deal found 9/14$576
This Delta deal was found by Cheapflights users on 9/13. 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.
Tue 10/77:17 pmTRI - LHR
1 stop13h 13mDelta
Tue 10/146:30 pmLHR - TRI
2 stops25h 38mDelta
Deal found 9/13$580
This Delta deal was found by Cheapflights users on 9/16. 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 11/1910:12 amTRI - LHR
1 stop15h 13mDelta
Fri 11/288:55 amLHR - TRI
1 stop14h 42mDelta
Deal found 9/16$655
This Delta deal was found by Cheapflights users on 9/15. 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 11/1910:12 amTRI - LHR
1 stop15h 13mDelta
Sun 11/239:00 amLHR - TRI
2 stops18h 33mDelta
Deal found 9/15$658
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/281:28 pmTRI - LHR
2 stops13h 37mDelta
Sun 11/25:30 amLHR - TRI
2 stops20h 51mDelta
Deal found 9/14$664
This KLM deal was found by Cheapflights users on 9/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:17 pmTRI - LHR
1 stop10h 53mKLM
Tue 10/141:05 pmLHR - TRI
1 stop14h 16mKLM
Deal found 9/13$689
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/35:25 pmTRI - LHR
1 stop10h 40mAmerican Airlines
Sat 10/119:15 amLHR - TRI
1 stop11h 34mAmerican Airlines
Deal found 9/14$703
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/315:25 pmTRI - LHR
1 stop14h 35mAmerican Airlines
Fri 11/711:45 amLHR - TRI
1 stop12h 11mAmerican Airlines
Deal found 9/16$718

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 September 16, 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

Wed 10/29

1:28 pm-9:00 am

1 stop15h 32m

London Heathrow

Wed 11/5

8:55 am-10:21 pm

2 stops18h 26m

$568

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 10/29

1:28 pm-9:00 am

1 stop15h 32m

London Heathrow

Wed 11/5

3:50 pm-9:22 am

1 stop22h 32m

$576

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Sun 2/1

12:49 pm-9:00 am

1 stop15h 11m

London Heathrow

Fri 2/13

6:30 am-10:26 pm

2 stops20h 56m

$577

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 10/29

1:28 pm-7:50 am

2 stops14h 22m

London Heathrow

Wed 11/5

11:05 am-10:21 pm

2 stops16h 16m

$580

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 10/7

7:17 pm-1:30 pm

1 stop13h 13m

London Heathrow

Tue 10/14

6:30 pm-3:08 pm

2 stops25h 38m

$580

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Sun 2/1

6:55 pm-11:40 am

1 stop11h 45m

London Heathrow

Fri 2/13

8:55 am-6:12 pm

1 stop14h 17m

$584

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 11/19

10:12 am-6:25 am

1 stop15h 13m

London Heathrow

Fri 11/28

8:55 am-6:37 pm

1 stop14h 42m

$655

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 11/19

10:12 am-6:25 am

1 stop15h 13m

London Heathrow

Fri 11/28

8:55 am-6:37 pm

1 stop14h 42m

$655

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 11/19

10:12 am-6:25 am

1 stop15h 13m

London Heathrow

Sun 11/23

9:00 am-10:33 pm

2 stops18h 33m

$658

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 10/28

3:48 pm-9:20 am

2 stops37h 32m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 results
1
2

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 September 16, 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 September 16, 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
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
664 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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, KLM, and Virgin Atlantic can get you from Kingsport to London Heathrow Airport in just under 14h 22m. Your travel time can differ by up to 1h 10m. The distance between Kingsport and London Heathrow Airport is about 3980 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $350 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $419 and $441, respectively.

  • 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
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$541Average$827FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$574Average$938FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$654Average$965FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$654Average$1,024FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$693Average$917FlexibilityNo cancel feeOn-time70%

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