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Kingsport

$211+ Cheap flights from St. Louis (STL) to Kingsport, TN

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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TYS
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/255:00 amSTL - TRI
1 stop4h 13mAmerican Airlines
lun. 12/298:26 pmTRI - STL
1 stop4h 29mAmerican Airlines
Deal found 12/10$392
This American Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/189:34 amSTL - TRI
1 stop5h 09mAmerican Airlines
lun. 1/58:26 pmTRI - STL
1 stop4h 29mAmerican Airlines
Deal found 12/10$457
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/184:27 pmSTL - TRI
1 stop19h 38mMultiple Airlines
lun. 1/55:50 pmTRI - STL
2 stops18h 06mMultiple Airlines
Deal found 12/10$461
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2510:42 amSTL - TRI
2 stops25h 28mMultiple Airlines
lun. 12/295:55 pmTRI - STL
1 stop29h 38mMultiple Airlines
Deal found 12/10$497
This American Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/127:00 amSTL - TRI
1 stop7h 39mAmerican Airlines
sáb. 12/132:46 pmTRI - STL
1 stop5h 44mAmerican Airlines
Deal found 12/11$506
This American Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/262:04 pmSTL - TRI
1 stop6h 54mAmerican Airlines
mar. 12/306:00 amTRI - STL
1 stop5h 50mAmerican Airlines
Deal found 12/11$507
This American Airlines deal was found by Cheapflights users on 12/10. 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.
vie. 12/265:00 amSTL - TRI
1 stop4h 13mAmerican Airlines
sáb. 12/275:10 amTRI - STL
2 stops9h 28mAmerican Airlines
Deal found 12/10$745

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$392
(American Airlines)

One-way from

$211
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$967
Provider with most accurate pricing for Lambert-St Louis-Blountville Tri Cities TN/VA flight deals.
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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
One-way flight from Lambert-St Louis to Kingsport
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 diciembre 12, 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

jue. 12/25

5:00 am-10:13 am

1 stop4h 13m

Blountville Tri Cities TN/VA

lun. 12/29

8:26 pm-11:55 pm

1 stop4h 29m

$392

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

jue. 12/18

9:34 am-3:43 pm

1 stop5h 09m

Blountville Tri Cities TN/VA

lun. 1/5

8:26 pm-11:55 pm

1 stop4h 29m

$457

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

jue. 12/25

10:42 am-1:10 pm

2 stops25h 28m

Blountville Tri Cities TN/VA

lun. 12/29

5:55 pm-10:33 pm

1 stop29h 38m

$497

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

vie. 12/26

2:04 pm-9:58 pm

1 stop6h 54m

Blountville Tri Cities TN/VA

mar. 12/30

6:00 am-10:50 am

1 stop5h 50m

$507

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

vie. 12/26

5:00 am-10:13 am

1 stop4h 13m

Blountville Tri Cities TN/VA

sáb. 12/27

6:00 am-10:50 am

1 stop5h 50m

$507

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

lun. 12/29

4:27 pm-2:41 pm

1 stop21h 14m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 November is currently the most expensive (average of $253). 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 diciembre 12, 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 diciembre 12, 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
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
11,050 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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 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 American Airlines fly from St. Louis to Kingsport in about 4h 13m. The time it takes to get you to your destination can typically vary by up to . The distance from St. Louis to Kingsport is about 463 mi.

  • 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 November is currently the most expensive (average of $253). 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$213Average$315FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$381FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$319FlexibilityNo cancel feeOn-timeN/A

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