$289+ Cheap flights from St. Louis to Blountville (STL - TRI)
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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TRI
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Blountville 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 Blountville
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to BlountvilleExplore the most affordable flight options available from St. Louis to Blountville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from St. Louis to Blountville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/203:35 pm
STL
- TRI
1 stop6h 15m
American Airlines
Mon 8/245:29 pm
TRI
- STL
1 stop6h 11m
American Airlines
Deal found 7/21![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/53:25 pm
STL
- TRI
1 stop6h 34m
American Airlines
Sun 8/95:07 am
TRI
- STL
1 stop4h 24m
American Airlines
Deal found 7/21![American Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/22. 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 8/75:23 pm
STL
- TRI
1 stop4h 00m
Delta
Tue 8/111:45 pm
TRI
- STL
1 stop5h 42m
Delta
Deal found 7/22![Delta logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/205:02 pm
STL
- TRI
1 stop15h 13m
Multiple Airlines
Mon 8/242:10 pm
TRI
- STL
2 stops27h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/73:32 pm
STL
- TRI
1 stop6h 18m
American Airlines
Tue 8/1112:30 pm
TRI
- STL
2 stops7h 57m
American Airlines
Deal found 7/22![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 7/19. 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 9/135:15 am
STL
- TRI
1 stop4h 23m
American Airlines
Thu 9/177:21 pm
TRI
- STL
1 stop4h 21m
American Airlines
Deal found 7/19![American Airlines logo]()
$517
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/45:10 am
STL
- TRI
1 stop4h 32m
American Airlines
Wed 8/57:22 pm
TRI
- STL
1 stop4h 18m
American Airlines
Deal found 7/22![American Airlines logo]()
$696
Best flights from St. Louis to BlountvilleDiscover carefully curated flight deals from St. Louis to Blountville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from St. Louis to Blountville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/203:35 pm
STL
- TRI
1 stop6h 15m
American Airlines
Mon 8/245:29 pm
TRI
- STL
1 stop6h 11m
American Airlines
Deal found 7/21![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 7/22. 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 8/75:23 pm
STL
- TRI
1 stop4h 00m
Delta
Tue 8/111:45 pm
TRI
- STL
1 stop5h 42m
Delta
Deal found 7/22![Delta logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/205:02 pm
STL
- TRI
1 stop15h 13m
Multiple Airlines
Mon 8/242:10 pm
TRI
- STL
2 stops27h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/59:32 am
STL
- TRI
2 stops6h 31m
American Airlines
Sun 8/95:07 am
TRI
- STL
1 stop4h 24m
American Airlines
Deal found 7/21![American Airlines logo]()
$502
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/73:32 pm
STL
- TRI
1 stop6h 18m
American Airlines
Tue 8/1112:30 pm
TRI
- STL
2 stops7h 57m
American Airlines
Deal found 7/22![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 7/19. 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 9/135:15 am
STL
- TRI
1 stop4h 23m
American Airlines
Thu 9/177:21 pm
TRI
- STL
1 stop4h 21m
American Airlines
Deal found 7/19![American Airlines logo]()
$517
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/42:32 pm
STL
- TRI
2 stops6h 25m
American Airlines
Wed 8/57:22 pm
TRI
- STL
1 stop4h 18m
American Airlines
Deal found 7/22![American Airlines logo]()
$730
Last-minute flights from St. Louis to BlountvilleDiscover last-minute flight deals from St. Louis to Blountville. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Blountville. Data last updated July 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/45:10 am
STL
- TRI
1 stop4h 32m
American Airlines
Wed 8/57:22 pm
TRI
- STL
1 stop4h 18m
American Airlines
Deal found 7/22![American Airlines logo]()
$696
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/53:25 pm
STL
- TRI
1 stop6h 34m
American Airlines
Sun 8/95:07 am
TRI
- STL
1 stop4h 24m
American Airlines
Deal found 7/21![American Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/22. 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 8/75:23 pm
STL
- TRI
1 stop4h 00m
Delta
Tue 8/111:45 pm
TRI
- STL
1 stop5h 42m
Delta
Deal found 7/22![Delta logo]()
$305
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/73:32 pm
STL
- TRI
1 stop6h 18m
American Airlines
Tue 8/1112:30 pm
TRI
- STL
2 stops7h 57m
American Airlines
Deal found 7/22![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/203:35 pm
STL
- TRI
1 stop6h 15m
American Airlines
Mon 8/245:29 pm
TRI
- STL
1 stop6h 11m
American Airlines
Deal found 7/21![American Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/205:02 pm
STL
- TRI
1 stop15h 13m
Multiple Airlines
Mon 8/242:10 pm
TRI
- STL
2 stops27h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$367
Find flight deals from St. Louis to Blountville
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Blountville (TRI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Blountville 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 July 23, 2026.
Use the filters below to find and compare flights from St. Louis to Blountville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBlountville
STL - TRI
STLTRI
Lambert-St Louis
Thu 8/20
3:35 pm-10:50 pm
1 stop6h 15m
Blountville Tri Cities TN/VA
Mon 8/24
5:29 pm-10:40 pm
1 stop6h 11m
$289
St. LouisBlountville
STL - TRI
STLTRI
Lambert-St Louis
Fri 8/7
5:23 pm-10:23 pm
1 stop4h 00m
Blountville Tri Cities TN/VA
Tue 8/11
1:45 pm-6:27 pm
1 stop5h 42m
$305
St. LouisBlountville
STL - TRI
STLTRI
Lambert-St Louis
Thu 8/20
5:02 pm-9:15 am
1 stop15h 13m
Blountville Tri Cities TN/VA
Mon 8/24
2:10 pm-4:31 pm
2 stops27h 21m
$367
St. LouisBlountville
STL - TRI
STLTRI
Lambert-St Louis
Wed 8/5
9:32 am-5:03 pm
2 stops6h 31m
Blountville Tri Cities TN/VA
Sun 8/9
5:07 am-8:31 am
1 stop4h 24m
$502
St. LouisBlountville
STL - TRI
STLTRI
Lambert-St Louis
Fri 8/7
3:32 pm-10:50 pm
1 stop6h 18m
Blountville Tri Cities TN/VA
Tue 8/11
12:30 pm-7:27 pm
2 stops7h 57m
$512
Quickest round-trip
St. LouisBlountville
STL - TRI
STLTRI
Lambert-St Louis
Sun 9/13
5:15 am-10:38 am
1 stop4h 23m
Blountville Tri Cities TN/VA
Thu 9/17
7:21 pm-10:42 pm
1 stop4h 21m
$517
St. LouisBlountville
STL - TRI
STLTRI
Lambert-St Louis
Tue 8/4
2:32 pm-9:57 pm
2 stops6h 25m
Blountville Tri Cities TN/VA
Wed 8/5
7:22 pm-10:40 pm
1 stop4h 18m
$730
Sorted by cheapest first
Compare providers for flights from St. Louis to Blountville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Blountville in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Blountville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Blountville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Blountville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Blountville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Blountville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Blountville
Have a flexible travel schedule? Discover the best time to fly to Blountville from St. Louis with our price prediction graph.
STL-TRI
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.
Reviews of airlines servicing Blountville
Get insights into the airlines that provide service to Blountville. 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 Blountville. Reviews last updated July 23, 2026.
See what other customers who have flown with Delta from St. Louis to Blountville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Blountville. 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 Blountville?
Book flights to Blountville if you plan to visit one of these locationsBeech Mountain
Greeneville
Bristol
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Other flights to Blountville
Explore flights to Blountville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Complete your trip
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St. Louis and Blountville flights
Browse other St. Louis and Blountville flight options. Last updated on July 23, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from St. Louis to Blountville
Discover the top airline that operate flights from St. Louis to Blountville. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$383 | FlexibilityNo cancel fee | On-timeN/A |