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Kingsport

$209+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TYS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$309
(Delta)

One-way from

$209
(Delta)

Popular in

December

Cheapest in

August

Average price

$367
From Lambert-St Louis to Kingsport
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One-way flight from Lambert-St Louis to Kingsport
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Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 10/43:55 pmSTL - TRI
1 stop5h 42mDelta
Tue 10/71:28 pmTRI - STL
1 stop3h 27mDelta
Deal found 9/12$309
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/3010:36 amSTL - TRI
2 stops9h 17mAmerican Airlines
Sun 11/25:04 amTRI - STL
1 stop4h 23mAmerican Airlines
Deal found 9/14$353
This Delta deal was found by Cheapflights users on 9/14. 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 9/195:11 pmSTL - TRI
1 stop4h 26mDelta
Mon 9/227:17 pmTRI - STL
1 stop5h 07mDelta
Deal found 9/14$359
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/196:29 amSTL - TRI
1 stop6h 56mAmerican Airlines
Mon 9/223:11 pmTRI - STL
2 stops6h 59mAmerican Airlines
Deal found 9/14$364
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/185:27 amSTL - TRI
1 stop4h 20mAmerican Airlines
Sat 9/205:14 pmTRI - STL
1 stop6h 53mAmerican Airlines
Deal found 9/14$369
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/46:10 amSTL - TRI
2 stops7h 15mAmerican Airlines
Tue 10/76:00 amTRI - STL
1 stop4h 37mAmerican Airlines
Deal found 9/13$374
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/62:15 pmSTL - TRI
2 stops6h 36mAmerican Airlines
Sun 10/128:08 pmTRI - STL
1 stop4h 50mAmerican Airlines
Deal found 9/14$444
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/165:30 amSTL - TRI
1 stop4h 15mAmerican Airlines
Sun 10/195:05 amTRI - STL
1 stop4h 11mAmerican Airlines
Deal found 9/14$478

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 September 15, 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

Sat 10/4

3:55 pm-10:37 pm

1 stop5h 42m

Blountville Tri Cities TN/VA

Tue 10/7

1:28 pm-3:55 pm

1 stop3h 27m

$309

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Thu 10/30

6:25 am-11:46 am

1 stop4h 21m

Blountville Tri Cities TN/VA

Sun 11/2

5:04 am-8:27 am

1 stop4h 23m

$309

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Mon 10/6

12:52 pm-7:43 pm

1 stop5h 51m

Blountville Tri Cities TN/VA

Sun 10/12

8:08 pm-11:58 pm

1 stop4h 50m

$309

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Sat 10/4

7:23 am-4:49 pm

2 stops8h 26m

Blountville Tri Cities TN/VA

Tue 10/7

7:25 pm-11:05 pm

1 stop4h 40m

$374

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 10/8

6:00 am-12:43 pm

1 stop5h 43m

$209

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 10/8

10:16 am-7:00 pm

2 stops7h 44m

$214

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 10/8

8:40 pm-5:35 pm

3 stops43h 55m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, January is the cheapest month in which you can book a flight from St. Louis to Kingsport (average of $294). Flying from St. Louis to Kingsport in March is currently the most expensive (average of $376). 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 September 15, 2025.

When flying from St. Louis to Kingsport, 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 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 mornings 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 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 September 15, 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
8.0
Very good
7,956 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,956 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

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 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 4h 21m. The time it takes to get you to your destination can typically vary by up to 1h 21m. 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, January is the cheapest month in which you can book a flight from St. Louis to Kingsport (average of $294). Flying from St. Louis to Kingsport in March is currently the most expensive (average of $376). 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

Browse thousands of different options on Cheapflights for your next trip

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$213Average$378FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$382FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$333FlexibilityNo cancel feeOn-timeN/A

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