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$639+ Cheap flights from Kingsport, TN to London (LON)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LON
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap flight deals from Kingsport to London

Keep the following information in mind while searching for Kingsport to London flight deals. Data was last updated November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$628
(American Airlines)

Popular in

September

Cheapest in

April

Average price

$796
Provider with most accurate pricing for Blountville Tri Cities TN/VA-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-London (LON) flights.
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From Kingsport to London (LON)
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Highest demand for flights based on searches. 30% potential increase in price ($522 potential increase over avg. RT price).
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Cheapest flight prices on average. 25% potential price decrease ($237 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Kingsport to London

Cheapest flights from Kingsport to London
Explore the most affordable flight options available from Kingsport to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Delta deal was found by Cheapflights users on 11/25. 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 12/510:12 amTRI - LHR
1 stop15h 13mDelta
Tue 12/911:30 amLHR - TRI
2 stops16h 04mDelta
Deal found 11/25$639
This KLM deal was found by Cheapflights users on 11/26. 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 12/512:52 pmTRI - LHR
1 stop13h 58mKLM
Thu 1/228:55 amLHR - TRI
1 stop14h 23mKLM
Deal found 11/26$645
This Delta deal was found by Cheapflights users on 11/26. 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 12/83:36 pmTRI - LHR
1 stop15h 04mDelta
Mon 1/1911:05 amLHR - TRI
2 stops16h 23mDelta
Deal found 11/26$649
This Delta deal was found by Cheapflights users on 11/25. 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 12/510:12 amTRI - LCY
2 stops16h 58mDelta
Tue 12/97:45 amLCY - TRI
2 stops15h 59mDelta
Deal found 11/25$695
This Delta deal was found by Cheapflights users on 11/26. 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
2 stops13h 39mDelta
Thu 1/226:30 amLHR - TRI
2 stops16h 50mDelta
Deal found 11/26$722
This American Airlines deal was found by Cheapflights users on 11/26. 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 11/268:25 pmTRI - LGW
2 stops31h 35mAmerican Airlines
Wed 12/312:30 pmLGW - TRI
2 stops30h 51mAmerican Airlines
Deal found 11/26$831
This American Airlines deal was found by Cheapflights users on 11/25. 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 12/37:19 pmTRI - LGW
2 stops32h 41mAmerican Airlines
Sun 12/712:30 pmLGW - TRI
2 stops31h 32mAmerican Airlines
Deal found 11/25$871
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:52 pmTRI - LCY
2 stops14h 18mVirgin Atlantic
Tue 12/99:20 amLCY - TRI
2 stops18h 14mVirgin Atlantic
Deal found 11/24$965
This Delta deal was found by Cheapflights users on 11/25. 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 12/512:52 pmTRI - LCY
2 stops15h 38mDelta
Thu 1/227:45 amLCY - TRI
2 stops19h 43mDelta
Deal found 11/25$7,244
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 - LCY
2 stops16h 06mDelta
Mon 1/197:45 amLCY - TRI
2 stops19h 43mDelta
Deal found 11/24$7,319

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingsport to London 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 26, 2025.
Use the filters below to find and compare flights from Kingsport to London that are best for you.

Fly from

Kingsport

Fly to

London

Route

Depart

Return

Price

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Fri 12/5

10:12 am-6:25 am

1 stop15h 13m

London Heathrow

Tue 12/9

11:30 am-10:34 pm

2 stops16h 04m

$639

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Fri 12/5

12:52 pm-7:50 am

1 stop13h 58m

London Heathrow

Thu 1/22

8:55 am-6:18 pm

1 stop14h 23m

$645

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 12/8

12:52 pm-9:00 am

1 stop15h 08m

London Heathrow

Mon 1/19

10:45 am-10:28 pm

1 stop16h 43m

$645

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Mon 12/8

12:52 pm-8:45 am

2 stops14h 53m

London Heathrow

Mon 1/19

10:10 am-10:28 pm

2 stops17h 18m

$649

BlountvilleLondon

TRI - LHR

TRILHR

Blountville Tri Cities TN/VA

Fri 12/5

10:12 am-8:45 am

2 stops17h 33m

London Heathrow

Thu 1/22

8:55 am-6:20 pm

1 stop14h 25m

$649

BlountvilleLondon

TRI - LCY

TRILCY

Blountville Tri Cities TN/VA

Mon 12/8

7:29 pm-4:35 pm

2 stops16h 06m

London City

Mon 1/19

7:45 am-10:28 pm

2 stops19h 43m

$7,319

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Best time to book a flight from Kingsport to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, July is the cheapest month in which you can book a flight from Kingsport to London (average of $533). Flying from Kingsport to London 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 LON?

Find hourly flight availability from Kingsport to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

One of the essential ways to save on airfare from Kingsport to London is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 25% on airfare.

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

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

Travelers seeking maximum savings on their Kingsport to London 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.

How much does it cost to fly round-trip from Kingsport to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated November 26, 2025.
Read through reviews of airlines operating flights from Kingsport to London, such as Delta, KLM, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

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
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

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.
KLM
7.7
Good
1,423 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

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
11,038 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

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 London. 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?

    Airlines like Delta and KLM fly from Kingsport to London in about 13h 58m. The time it takes to get you to your destination can typically vary by up to 1h 15m. There are 3980 mi between Kingsport and London. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Kingsport to London?

    When deciding which route to take from Kingsport to London consider Blountville Tri Cities TN/VA - London Heathrow, Blountville Tri Cities TN/VA - London City or Blountville Tri Cities TN/VA - London Gatwick as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kingsport to London 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?

    Currently, July is the cheapest month in which you can book a flight from Kingsport to London (average of $533). Flying from Kingsport to London 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?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Hayes
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton
Milton Keynes

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Alternative routes for Kingsport to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Kingsport to London

Discover the top 5 airlines that operate flights from Kingsport to London. 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$541Average$818FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$572Average$938FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$654Average$983FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$654Average$1,027FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$693Average$837FlexibilityNo cancel feeOn-time70%

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