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Kingsport

$317+ Cheap flights from St. Louis (STL) to Kingsport, TN

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TYS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from St. Louis to Kingsport

Cheapest flights from St. Louis to Kingsport
Explore the most affordable flight options available from St. Louis to Kingsport. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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 11/175:17 pmSTL - TRI
1 stop4h 14mDelta
Mon 11/243:36 pmTRI - STL
1 stop3h 59mDelta
Deal found 10/30$377
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/171:50 pmSTL - TRI
2 stops8h 37mAmerican Airlines
Mon 11/2412:03 pmTRI - STL
1 stop7h 22mAmerican Airlines
Deal found 10/30$382
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/137:00 amSTL - TRI
1 stop7h 43mAmerican Airlines
Mon 11/177:50 amTRI - STL
1 stop6h 25mAmerican Airlines
Deal found 10/29$407
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/247:05 amSTL - TRI
1 stop6h 14mAmerican Airlines
Sat 12/278:26 pmTRI - STL
1 stop4h 30mAmerican Airlines
Deal found 10/29$426
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/265:00 amSTL - TRI
1 stop4h 13mAmerican Airlines
Mon 12/298:26 pmTRI - STL
1 stop4h 29mAmerican Airlines
Deal found 10/29$462
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/38:13 amSTL - TRI
1 stop5h 55mAmerican Airlines
Thu 11/67:00 amTRI - STL
1 stop6h 37mAmerican Airlines
Deal found 10/30$781

Cheap flight deals from St. Louis to Kingsport

Keep the following information in mind while searching for St. Louis to Kingsport flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(Delta)

Popular in

December

Cheapest in

August

Average price

$358
Provider with most accurate pricing for Lambert-St Louis-Blountville Tri Cities TN/VA flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Blountville Tri Cities TN/VA flights.
Search Deals
From Lambert-St Louis to Kingsport
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Kingsport 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 October 30, 2025.
Use the filters below to find and compare flights from St. Louis to Kingsport that are best for you.

Fly from

St. Louis

Fly to

Kingsport

Route

Depart

Return

Price

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 4/15

7:20 am-3:08 pm

1 stop6h 48m

Blountville Tri Cities TN/VA

Sat 4/18

10:15 am-12:54 pm

1 stop3h 39m

$317

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Mon 11/17

5:17 pm-10:31 pm

1 stop4h 14m

Blountville Tri Cities TN/VA

Mon 11/24

3:36 pm-6:35 pm

1 stop3h 59m

$377

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Mon 11/17

1:50 pm-11:27 pm

2 stops8h 37m

Blountville Tri Cities TN/VA

Mon 11/24

12:03 pm-6:25 pm

1 stop7h 22m

$382

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 4/15

9:45 am-3:41 pm

1 stop4h 56m

Blountville Tri Cities TN/VA

Sat 4/18

6:24 pm-11:24 pm

2 stops6h 00m

$382

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Thu 11/13

7:00 am-3:43 pm

1 stop7h 43m

Blountville Tri Cities TN/VA

Mon 11/17

7:50 am-1:15 pm

1 stop6h 25m

$407

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 12/24

7:05 am-2:19 pm

1 stop6h 14m

Blountville Tri Cities TN/VA

Sat 12/27

8:26 pm-11:56 pm

1 stop4h 30m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Best time to book a flight from St. Louis to Kingsport

Have a flexible travel schedule? Discover the best time to fly to Kingsport from St. Louis 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 St. Louis to Kingsport

What is the cheapest month to book a flight from St. Louis to Kingsport?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Kingsport (average of $149). Flying from St. Louis to Kingsport in March is currently the most expensive (average of $245). 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 STL to K1N?

Find hourly flight availability from St. Louis to Kingsport. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from St. Louis to Kingsport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 33% versus a flight in the afternoon.

What is the cheapest day to fly from St. Louis to Kingsport?

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

Travelers seeking maximum savings on their St. Louis to Kingsport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Kingsport

Get insights into the airlines that provide service to Kingsport. 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 Kingsport. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from St. Louis to Kingsport, such as Delta 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

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Kingsport. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Kingsport?

    For a flight from St. Louis to Kingsport, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Kingsport per day. 3 airlines have flights to Kingsport from Lambert-St Louis on a regular basis.

  • How long is the flight from St. Louis to Kingsport?

    Airlines like Delta and American Airlines fly from St. Louis to Kingsport in about 6h 48m. The time it takes to get you to your destination can typically vary by up to 1h 49m. The distance from St. Louis to Kingsport is about 463 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Kingsport that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Kingsport?

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

  • Can I find deals for business class flights from St. Louis to Kingsport?

    Yes. Cheapflights offers flight deals from St. Louis to Kingsport 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 St. Louis to Kingsport?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Kingsport (average of $149). Flying from St. Louis to Kingsport in March is currently the most expensive (average of $245). 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

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Top 3 airlines flying from St. Louis to Kingsport

Discover the top 3 airlines that operate flights from St. Louis to Kingsport. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$213Average$378FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$367FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$324FlexibilityNo cancel feeOn-timeN/A

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