$319+ Cheap flights from Kingsport, TN to St. Louis (STL)
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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — STL
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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
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Cheapest
Best
Last-minute
Cheapest flights from Kingsport to St. LouisExplore the most affordable flight options available from Kingsport to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Kingsport to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/125:16 am -
1 stop3h 51m
Sun 11/155:29 pm -
1 stop5h 17m
Deal found 9/15![American Airlines logo]()
$319
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.
Sun 11/221:54 pm -
1 stop5h 19m
Mon 11/3010:00 am -
1 stop3h 55m
Deal found 9/14![Delta logo]()
$339
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:41 pm -
1 stop28h 18m
Sun 11/295:59 pm -
1 stop23h 17m
Deal found 9/14![Multiple Airlines logo]()
$448
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:09 pm -
1 stop18h 16m
Sun 11/295:59 pm -
1 stop23h 17m
Deal found 9/14![Multiple Airlines logo]()
$455
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.
Thu 11/266:00 am -
1 stop5h 20m
Thu 11/263:15 pm -
1 stop21h 03m
Deal found 9/14![Delta logo]()
$464
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:09 pm -
2 stops23h 31m
Thu 11/265:59 pm -
1 stop20h 57m
Deal found 9/14![Multiple Airlines logo]()
$478
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:09 pm -
1 stop18h 16m
Fri 11/276:35 pm -
2 stops21h 17m
Deal found 9/14![Multiple Airlines logo]()
$480
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:41 pm -
2 stops20h 39m
Fri 11/275:59 pm -
1 stop21h 53m
Deal found 9/14![Multiple Airlines logo]()
$494
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:41 pm -
2 stops20h 39m
Sat 11/281:20 pm -
1 stop28h 12m
Deal found 9/14![Multiple Airlines logo]()
$496
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.
Tue 11/2411:08 am -
2 stops9h 19m
Thu 11/266:00 am -
1 stop3h 43m
Deal found 9/14![American Airlines logo]()
$517
Best flights from Kingsport to St. LouisDiscover carefully curated flight deals from Kingsport to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Kingsport to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
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.
Tue 11/241:54 pm -
1 stop3h 49m
Fri 11/276:00 am -
1 stop3h 54m
Deal found 9/14![Delta logo]()
$319
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.
Thu 11/125:16 am -
1 stop3h 51m
Sun 11/155:29 pm -
1 stop5h 17m
Deal found 9/13![American Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 10/295:21 pm -
2 stops18h 58m
Sun 11/14:26 pm -
1 stop22h 30m
Deal found 9/17![Multiple Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 9/15. 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 11/66:00 am -
1 stop4h 17m
Sun 11/86:00 am -
1 stop5h 36m
Deal found 9/15![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/16. 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 1/16:41 am -
1 stop4h 38m
Tue 1/54:32 pm -
1 stop6h 27m
Deal found 9/16![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 2/113:50 pm -
1 stop5h 59m
Mon 2/159:00 am -
1 stop5h 06m
Deal found 9/16![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 9/17. 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.
Thu 10/296:00 am -
1 stop4h 09m
Sun 11/17:00 am -
1 stop4h 36m
Deal found 9/17![Delta logo]()
$319
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.
Sun 11/221:54 pm -
1 stop5h 19m
Thu 11/266:00 am -
1 stop4h 04m
Deal found 9/14![Delta logo]()
$319
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.
Wed 11/251:54 pm -
1 stop3h 49m
Thu 11/268:00 am -
1 stop4h 18m
Deal found 9/14![Delta logo]()
$319
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.
Tue 11/246:00 am -
1 stop3h 55m
Sat 11/286:00 am -
1 stop6h 02m
Deal found 9/14![Delta logo]()
$339
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.
Thu 11/266:00 am -
1 stop5h 20m
Sat 11/287:05 am -
1 stop4h 57m
Deal found 9/14![Delta logo]()
$339
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.
Wed 11/251:54 pm -
1 stop5h 19m
Sat 11/286:00 am -
1 stop6h 02m
Deal found 9/14![Delta logo]()
$339
Last-minute flights from Kingsport to St. LouisDiscover last-minute flight deals from Kingsport to St. Louis. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Kingsport to St. Louis. Data last updated September 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/17. 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.
Thu 10/296:00 am -
1 stop4h 09m
Sun 11/17:00 am -
1 stop4h 36m
Deal found 9/17![Delta logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 10/295:21 pm -
2 stops18h 58m
Sun 11/14:26 pm -
1 stop22h 30m
Deal found 9/17![Multiple Airlines logo]()
$523
Find flight deals from Kingsport to St. Louis
Keep the following information in mind while searching for Kingsport to St. Louis flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
Popular in | August |
Cheapest in | January |
Average price | $463 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kingsport to St. Louis 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Kingsport to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Tue 11/24
1:54 pm-4:43 pm
1 stop3h 49m
Lambert-St Louis
Fri 11/27
6:00 am-10:54 am
1 stop3h 54m
$319
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Thu 11/12
5:16 am-8:07 am
1 stop3h 51m
Lambert-St Louis
Sun 11/15
5:29 pm-11:46 pm
1 stop5h 17m
$319
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Fri 11/6
6:00 am-9:17 am
1 stop4h 17m
Lambert-St Louis
Sun 11/8
6:00 am-12:36 pm
1 stop5h 36m
$319
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Thu 2/11
3:50 pm-8:49 pm
1 stop5h 59m
Lambert-St Louis
Mon 2/15
9:00 am-3:06 pm
1 stop5h 06m
$319
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Thu 10/29
6:00 am-9:09 am
1 stop4h 09m
Lambert-St Louis
Sun 11/1
7:00 am-12:36 pm
1 stop4h 36m
$319
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Sun 11/22
1:54 pm-6:13 pm
1 stop5h 19m
Lambert-St Louis
Thu 11/26
6:00 am-11:04 am
1 stop4h 04m
$319
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Wed 11/25
1:54 pm-4:43 pm
1 stop3h 49m
Lambert-St Louis
Thu 11/26
8:00 am-1:18 pm
1 stop4h 18m
$319
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Fri 1/1
6:41 am-10:19 am
1 stop4h 38m
Lambert-St Louis
Tue 1/5
4:32 pm-11:59 pm
1 stop6h 27m
$334
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Tue 11/24
6:00 am-8:55 am
1 stop3h 55m
Lambert-St Louis
Sat 11/28
6:00 am-1:02 pm
1 stop6h 02m
$339
BlountvilleSt. Louis
TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis
TRISTL
Blountville Tri Cities TN/VA
Thu 11/26
6:00 am-10:20 am
1 stop5h 20m
Lambert-St Louis
Sat 11/28
7:05 am-1:02 pm
1 stop4h 57m
$339
Showing 1-10 of 12 resultsSorted by cheapest first
Best time to book a flight from Kingsport to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kingsport with our price prediction graph.
TRI-STL
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 St. Louis
K1N-STL
TRI-STL
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated September 17, 2026.
Read through reviews of airlines operating flights from Kingsport to St. Louis, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Kingsport to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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Complete your trip
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Kingsport and St. Louis flights
Browse other Kingsport and St. Louis flight options. Last updated on September 17, 2026.
Popular flight searches
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Kingsport to St. Louis flights
Consider these flights traveling from Kingsport to St. Louis.
Top 4 airlines flying from Kingsport to St. Louis
Discover the top 4 airlines that operate flights from Kingsport to St. Louis. 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$152 | Average$337 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$162 | Average$387 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$337 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$248 | Average$308 | FlexibilityNo cancel fee | On-time69% |