$329+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TRI
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
One-way
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 September 9, 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 September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/191:54 pm -
1 stop6h 08m
Wed 9/234:57 pm -
1 stop6h 45m
Deal found 9/4![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/89:27 am -
1 stop3h 51m
Thu 10/156:03 am -
1 stop7h 32m
Deal found 9/7![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/23:34 pm -
1 stop6h 15m
Sun 10/48:29 pm -
1 stop4h 12m
Deal found 9/7![American Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/248:43 am -
1 stop6h 49m
Mon 9/285:31 pm -
1 stop7h 12m
Deal found 9/8![American Airlines logo]()
$434
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:43 am -
1 stop5h 21m
Fri 9/187:00 am -
1 stop6h 15m
Deal found 9/8![American Airlines logo]()
$631
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/209:21 am -
1 stop5h 20m
Thu 9/245:31 pm -
1 stop7h 12m
Deal found 9/5![American Airlines logo]()
$645
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 September 9, 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 September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/225:18 pm -
1 stop5h 38m
Sat 9/265:31 pm -
1 stop7h 12m
Deal found 9/7![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/23:34 pm -
1 stop6h 15m
Sun 10/48:29 pm -
1 stop4h 12m
Deal found 9/7![American Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/248:43 am -
1 stop6h 49m
Mon 9/285:31 pm -
1 stop7h 12m
Deal found 9/8![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/191:54 pm -
1 stop6h 08m
Wed 9/233:29 pm -
2 stops9h 58m
Deal found 9/4![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/87:03 am -
2 stops7h 35m
Thu 10/158:26 pm -
1 stop4h 33m
Deal found 9/7![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/209:21 am -
1 stop5h 20m
Thu 9/245:31 pm -
1 stop7h 12m
Deal found 9/5![American Airlines logo]()
$645
Last-minute flights from St. Louis to BlountvilleDiscover last-minute flight deals from St. Louis to Blountville. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Blountville. Data last updated September 9, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:43 am -
1 stop5h 21m
Fri 9/187:00 am -
1 stop6h 15m
Deal found 9/8![American Airlines logo]()
$631
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/191:54 pm -
1 stop6h 08m
Wed 9/234:57 pm -
1 stop6h 45m
Deal found 9/4![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/209:21 am -
1 stop5h 20m
Thu 9/245:31 pm -
1 stop7h 12m
Deal found 9/5![American Airlines logo]()
$645
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/248:43 am -
1 stop6h 49m
Mon 9/285:31 pm -
1 stop7h 12m
Deal found 9/8![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/23:34 pm -
1 stop6h 15m
Sun 10/48:29 pm -
1 stop4h 12m
Deal found 9/7![American Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/89:27 am -
1 stop3h 51m
Thu 10/156:03 am -
1 stop7h 32m
Deal found 9/7![American Airlines logo]()
$406
One-way flights from St. Louis to BlountvilleSearch for one-way flight options from St. Louis to Blountville. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from St. Louis to Blountville. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/158:30 am -
1 stop7h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$374
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (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 7,457,451 searches. Data last updated September 9, 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 Lambert-St Louis - TRI Blountville Tri Cities TN/VA
STLTRI
Lambert-St Louis
Tue 9/22
5:18 pm-11:56 pm
1 stop5h 38m
Blountville Tri Cities TN/VA
Sat 9/26
5:31 pm-11:43 pm
1 stop7h 12m
$329
Quickest round-trip
St. LouisBlountville
STL Lambert-St Louis - TRI Blountville Tri Cities TN/VA
STLTRI
Lambert-St Louis
Tue 9/15
8:30 am-5:01 pm
1 stop7h 31m
Blountville Tri Cities TN/VA
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$374
St. LouisBlountville
STL Lambert-St Louis - TRI Blountville Tri Cities TN/VA
STLTRI
Lambert-St Louis
Fri 10/2
3:34 pm-10:49 pm
1 stop6h 15m
Blountville Tri Cities TN/VA
Sun 10/4
8:29 pm-11:41 pm
1 stop4h 12m
$413
St. LouisBlountville
STL Lambert-St Louis - TRI Blountville Tri Cities TN/VA
STLTRI
Lambert-St Louis
Thu 9/24
8:43 am-4:32 pm
1 stop6h 49m
Blountville Tri Cities TN/VA
Mon 9/28
5:31 pm-11:43 pm
1 stop7h 12m
$434
St. LouisBlountville
STL Lambert-St Louis - TRI Blountville Tri Cities TN/VA
STLTRI
Lambert-St Louis
Sat 9/19
1:54 pm-9:02 pm
1 stop6h 08m
Blountville Tri Cities TN/VA
Wed 9/23
3:29 pm-12:27 am
2 stops9h 58m
$512
St. LouisBlountville
STL Lambert-St Louis - TRI Blountville Tri Cities TN/VA
STLTRI
Lambert-St Louis
Thu 10/8
7:03 am-3:38 pm
2 stops7h 35m
Blountville Tri Cities TN/VA
Thu 10/15
8:26 pm-11:59 pm
1 stop4h 33m
$580
St. LouisBlountville
STL Lambert-St Louis - TRI Blountville Tri Cities TN/VA
STLTRI
Lambert-St Louis
Sun 9/20
9:21 am-3:41 pm
1 stop5h 20m
Blountville Tri Cities TN/VA
Thu 9/24
5:31 pm-11:43 pm
1 stop7h 12m
$645
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 September.
| 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 September 9, 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.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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
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.
Alternative routes
Blountville flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to Blountville
See prices for flight routes from nearby airports that may be better suited for you.
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 September 9, 2026.
Complete your trip
Complete your trip to Blountville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Blountville by cabin class
Find flights from St. Louis to Blountville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Blountville flights
Browse other St. Louis and Blountville flight options. Last updated on September 9, 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 September 9, 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$458 | FlexibilityNo cancel fee | On-timeN/A |