Kingsport

$269+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TYS
Feb 28 — Mar 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Kingsport with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 2/257:10 am
STL
-
TRI
1 stop4h 07m
Delta
Wed 3/47:13 pm
TRI
-
STL
1 stop5h 23m
Delta
Deal found 1/28$269
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/258:00 am
STL
-
TRI
2 stops9h 43m
American Airlines
Wed 3/45:30 am
TRI
-
STL
1 stop6h 31m
American Airlines
Deal found 1/28$274
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:18 pm
STL
-
TRI
1 stop17h 07m
United Airlines
Wed 11/411:00 am
TRI
-
STL
1 stop26h 20m
United Airlines
Deal found 1/26$628
This Delta deal was found by Cheapflights users on 1/28. 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 3/147:03 am
STL
-
TRI
1 stop7h 07m
Delta
Sat 3/216:15 am
TRI
-
STL
1 stop3h 47m
Delta
Deal found 1/28$746
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 2/18:13 am
STL
-
TRI
1 stop5h 53m
American Airlines
Tue 2/37:40 pm
TRI
-
STL
1 stop4h 32m
American Airlines
Deal found 1/28$787

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Blountville Tri Cities TN/VA flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Blountville Tri Cities TN/VA flights.
From Lambert-St Louis to Kingsport

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 January 29, 2026.
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 2/25

7:10 am-12:17 pm

1 stop4h 07m

Blountville Tri Cities TN/VA

Wed 3/4

7:13 pm-11:36 pm

1 stop5h 23m

$269

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 2/25

8:00 am-6:43 pm

2 stops9h 43m

Blountville Tri Cities TN/VA

Wed 3/4

5:30 am-11:01 am

1 stop6h 31m

$274

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Sat 3/14

7:03 am-3:10 pm

1 stop7h 07m

Blountville Tri Cities TN/VA

Sat 3/21

6:15 am-9:02 am

1 stop3h 47m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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, July is the cheapest month in which you can book a flight from St. Louis to Kingsport (average of $208). 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.

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 07m. The time it takes to get you to your destination can typically vary by up to 5h 36m. 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, July is the cheapest month in which you can book a flight from St. Louis to Kingsport (average of $208). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$213Average$315FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$293FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$303FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.