HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$657+ Cheap flights from Kingsport, TN to Heathrow (LHR)

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kingsport to Heathrow 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.

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 November 24, 2025.

This Delta deal was found by Cheapflights users on 11/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:29 pmTRI - LHR
1 stop11h 11mDelta
Thu 1/226:30 amLHR - TRI
2 stops16h 48mDelta
Deal found 11/22$731
This Delta deal was found by Cheapflights users on 11/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:36 pmTRI - LHR
1 stop12h 24mDelta
Tue 12/98:40 amLHR - TRI
2 stops18h 54mDelta
Deal found 11/23$732
This Delta deal was found by Cheapflights users on 11/24. 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.
Mon 12/87:29 pmTRI - LHR
1 stop11h 11mDelta
Mon 1/198:40 amLHR - TRI
2 stops18h 48mDelta
Deal found 11/24$749
This KLM deal was found by Cheapflights users on 11/24. 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.
Fri 12/53:36 pmTRI - LHR
1 stop11h 14mKLM
Thu 1/223:50 pmLHR - TRI
1 stop22h 46mKLM
Deal found 11/24$758
This Scandinavian Airlines deal was found by Cheapflights users on 11/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:36 pmTRI - LHR
2 stops19h 24mScandinavian Airlines
Mon 1/197:05 amLHR - TRI
3 stops20h 23mScandinavian Airlines
Deal found 11/22$885

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 November 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$657
(Virgin Atlantic)

Popular in

June

Cheapest in

January

Average price

$695
Provider with most accurate pricing for Blountville Tri Cities TN/VA-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-London (LON) flights.
Search Deals
From Kingsport to London Heathrow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($207 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 24, 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

Tue 1/6

5:06 pm-10:50 am

2 stops12h 44m

London Heathrow

Tue 1/13

10:45 am-10:28 pm

1 stop16h 43m

$657

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Fri 12/5

7:29 pm-11:40 am

1 stop11h 11m

London Heathrow

Thu 1/22

6:30 am-6:20 pm

2 stops16h 50m

$731

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Fri 12/5

7:29 pm-11:40 am

1 stop11h 11m

London Heathrow

Tue 12/9

8:40 am-10:34 pm

2 stops18h 54m

$732

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 12/8

3:36 pm-9:00 am

1 stop12h 24m

London Heathrow

Mon 1/19

8:40 am-10:28 pm

2 stops18h 48m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

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, July is the cheapest month in which you can book a flight from Kingsport to London Heathrow Airport (average of $533). Flying from Kingsport to London Heathrow Airport in June is currently the most expensive (average of $908). 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 November 24, 2025.

A simple way to save on the total cost of your ticket is to fly from Kingsport to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

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. Sunday mornings 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 November 24, 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
7.9
Good
7,994 reviews

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Virgin Atlantic
7.5
Good
675 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Virgin Atlantic and Delta can get you from Kingsport to London Heathrow Airport in just under 11h 11m. Your travel time can differ by up to 1h 33m. 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.

  • 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, July is the cheapest month in which you can book a flight from Kingsport to London Heathrow Airport (average of $533). Flying from Kingsport to London Heathrow Airport in June is currently the most expensive (average of $908). 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
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$541Average$821FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$572Average$938FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$654Average$978FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$654Average$1,014FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$693Average$839FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.