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$271+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap 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 January 24, 2026.

This KLM deal was found by Cheapflights users on 1/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/83:53 pm
TRI
-
LHR
1 stop13h 07m
KLM
Sun 3/1510:45 am
LHR
-
TRI
1 stop27h 05m
KLM
Deal found 1/22$649
This lastminute.com deal was found by Cheapflights users on 1/22. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:17 pm
TRI
-
LHR
2 stops31h 33m
Virgin Atlantic
Sun 3/154:50 pm
LHR
-
TRI
2 stops29h 46m
Virgin Atlantic
Deal found 1/22$652
This KLM deal was found by Cheapflights users on 1/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:53 pm
TRI
-
LHR
1 stop11h 57m
KLM
Mon 3/168:55 am
LHR
-
TRI
1 stop17h 33m
KLM
Deal found 1/23$658
This Virgin Atlantic deal was found by Cheapflights users on 1/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:45 pm
TRI
-
LHR
1 stop17h 55m
Virgin Atlantic
Mon 3/169:40 am
LHR
-
TRI
2 stops16h 48m
Virgin Atlantic
Deal found 1/23$663
This Finnair deal was found by Cheapflights users on 1/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
TRI
-
LHR
1 stop22h 55m
Multiple Airlines
Wed 5/2711:10 am
LHR
-
TRI
1 stop17h 43m
Multiple Airlines
Deal found 1/23$704
This Scandinavian Airlines deal was found by Cheapflights users on 1/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:53 pm
TRI
-
LHR
2 stops20h 07m
Scandinavian Airlines
Mon 3/166:40 am
LHR
-
TRI
3 stops19h 48m
Scandinavian Airlines
Deal found 1/23$715
This American Airlines deal was found by Cheapflights users on 1/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:28 pm
TRI
-
LHR
1 stop14h 42m
American Airlines
Sat 8/223:00 pm
LHR
-
TRI
1 stop13h 58m
American Airlines
Deal found 1/23$729
This American Airlines deal was found by Cheapflights users on 1/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:28 pm
TRI
-
LHR
1 stop13h 27m
American Airlines
Sun 9/1312:55 pm
LHR
-
TRI
1 stop14h 01m
American Airlines
Deal found 1/23$730
This Virgin Atlantic deal was found by Cheapflights users on 1/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:54 pm
TRI
-
LHR
2 stops14h 26m
Virgin Atlantic
Wed 5/2711:15 am
LHR
-
TRI
1 stop16h 11m
Virgin Atlantic
Deal found 1/23$780
This Finnair deal was found by Cheapflights users on 1/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:52 am
TRI
-
LHR
1 stop23h 03m
Multiple Airlines
Sat 8/1512:55 pm
LHR
-
TRI
1 stop14h 52m
Multiple Airlines
Deal found 1/22$782
This FlightHub deal was found by Cheapflights users on 1/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:50 pm
TRI
-
LHR
2 stops16h 45m
Scandinavian Airlines
Sun 9/137:30 pm
LHR
-
TRI
2 stops31h 58m
Scandinavian Airlines
Deal found 1/24$822
This KLM deal was found by Cheapflights users on 1/24. 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.
Sat 1/314:36 pm
TRI
-
LHR
1 stop14h 04m
KLM
Sat 2/73:50 pm
LHR
-
TRI
1 stop22h 41m
KLM
Deal found 1/24$823

Find flight deals from Kingsport to Heathrow

Keep the following information in mind while searching for Kingsport to Heathrow flight deals. Data was last updated January 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$649
(KLM)

One-way from

$271
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$658
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
One-way flight from Kingsport to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 24, 2026.
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

Sun 3/8

3:53 pm-9:00 am

1 stop13h 07m

London Heathrow

Sun 3/15

10:45 am-9:50 am

1 stop27h 05m

$649

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Sun 3/8

7:17 pm-6:50 am

2 stops31h 33m

London Heathrow

Sun 3/15

4:50 pm-6:36 pm

2 stops29h 46m

$652

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 3/9

3:53 pm-7:50 am

1 stop11h 57m

London Heathrow

Mon 3/16

8:55 am-10:28 pm

1 stop17h 33m

$658

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 3/9

3:53 pm-9:20 am

2 stops13h 27m

London Heathrow

Mon 3/16

9:40 am-10:28 pm

2 stops16h 48m

$663

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 5/6

7:00 am-10:55 am

1 stop22h 55m

London Heathrow

Wed 5/27

11:10 am-11:53 pm

1 stop17h 43m

$704

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 3/9

3:53 pm-4:00 pm

2 stops20h 07m

London Heathrow

Mon 3/16

6:40 am-10:28 pm

3 stops19h 48m

$715

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Wed 5/6

3:54 pm-11:20 am

2 stops14h 26m

London Heathrow

Wed 5/27

9:40 am-10:26 pm

2 stops17h 46m

$780

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 6/2

12:49 pm-6:45 am

1 stop12h 56m

London Heathrow

Fri 6/12

11:15 am-6:13 pm

1 stop11h 58m

$1,015

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Tue 6/2

6:24 am-6:50 am

1 stop19h 26m

London Heathrow

Fri 6/12

11:10 am-11:53 pm

1 stop17h 43m

$1,016

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Sat 5/9

4:20 pm-12:50 pm

1 stop15h 30m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 11 results
1
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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 $541). 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.

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 January 24, 2026.
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
8,112 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

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
8,112 reviews
Delta
7.9
Good
8,112 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

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
678 reviews
Delta
7.9
Good
8,112 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

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
11,193 reviews
Delta
7.9
Good
8,112 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

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?

    KLM and Virgin Atlantic can get you from Kingsport to London Heathrow Airport in just under 13h 07m. Your travel time can differ by up to 18h 26m. 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, November is the cheapest month in which you can book a flight from Kingsport to London Heathrow Airport (average of $541). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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 January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$541Average$821FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$574Average$994FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$624Average$966FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$654Average$995FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$700Average$833FlexibilityNo cancel feeOn-time70%

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