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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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LHR
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$629
(KLM)

One-way from

$441
(Delta)

Popular in

July

Cheapest in

February

Average price

$2,059
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 ($492 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($97 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 3, 2025.

This KLM deal was found by Cheapflights users on 7/3. 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.
vie. 8/151:21 pmTRI - LHR
1 stop12h 24mKLM
mar. 9/23:15 pmLHR - TRI
1 stop12h 20mKLM
Deal found 7/3$629
This Delta deal was found by Cheapflights users on 7/3. 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.
vie. 8/151:21 pmTRI - LHR
2 stops14h 54mDelta
mar. 9/28:10 pmLHR - TRI
2 stops19h 00mDelta
Deal found 7/3$633
This American Airlines deal was found by Cheapflights users on 7/2. 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.
dom. 10/52:09 pmTRI - LHR
1 stop17h 21mAmerican Airlines
mar. 10/1411:00 amLHR - TRI
1 stop14h 53mAmerican Airlines
Deal found 7/2$654
This FlightHub deal was found by Cheapflights users on 7/2. 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.
jue. 11/203:50 pmTRI - LHR
2 stops36h 30mScandinavian Airlines
lun. 11/246:40 amLHR - TRI
2 stops20h 44mScandinavian Airlines
Deal found 7/2$768
This lastminute.com deal was found by Cheapflights users on 7/2. 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.
sáb. 8/163:40 pmTRI - LHR
1 stop10h 35mVirgin Atlantic
sáb. 8/234:05 pmLHR - TRI
2 stops31h 35mVirgin Atlantic
Deal found 7/2$780

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 julio 3, 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

vie. 8/15

1:21 pm-6:45 am

1 stop12h 24m

London Heathrow

mar. 9/2

3:15 pm-10:35 pm

1 stop12h 20m

$629

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

vie. 8/15

1:21 pm-9:15 am

2 stops14h 54m

London Heathrow

mar. 9/2

3:15 pm-10:35 pm

1 stop12h 20m

$633

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

dom. 10/5

2:09 pm-12:30 pm

1 stop17h 21m

London Heathrow

mar. 10/14

11:00 am-8:53 pm

1 stop14h 53m

$654

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

dom. 10/5

7:17 pm-1:30 pm

1 stop13h 13m

London Heathrow

mar. 10/14

9:40 am-10:24 pm

2 stops17h 44m

$703

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

jue. 11/20

3:50 pm-9:20 am

2 stops36h 30m

London Heathrow

lun. 11/24

6:40 am-10:24 pm

2 stops20h 44m

$768

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

mié. 8/13

1:21 pm-9:15 am

2 stops14h 54m

$441

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

sáb. 8/16

4:05 pm-12:30 pm

1 stop15h 25m

$469

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

lun. 8/18

3:40 pm-4:25 pm

3 stops19h 45m

$821

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

vie. 8/15

3:40 pm-5:05 pm

3 stops20h 25m

$2,694

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $1,098). 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 julio 3, 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 julio 3, 2025.
See what other customers who have flown with Delta, KLM, and Virgin Atlantic 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
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
654 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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!
Scandinavian Airlines
7.3
Good
1,416 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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.

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

    $441 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Scandinavian Airlines, with prices starting from $469 and $821, 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 $1,098). 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 Kingsport?

Book flights to Kingsport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$954FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$661Average$838FlexibilityNo cancel feeOn-time70%
DeltaCheapest$670Average$1,080FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$703Average$1,018FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$744Average$938FlexibilityNo cancel feeOn-time72%

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