HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Blountville

$236+ Cheap flights from St. Louis to Blountville (STL - TRI)

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TRI
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 flights from St. Louis to Blountville
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 March 18, 2026.

This American Airlines deal was found by Cheapflights users on 3/14. 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 5/295:18 pm
STL
-
TRI
1 stop5h 08m
American Airlines
Sun 6/75:15 am
TRI
-
STL
1 stop4h 18m
American Airlines
Deal found 3/14$358
This Delta deal was found by Cheapflights users on 3/15. 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 4/249:59 am
STL
-
TRI
1 stop4h 23m
Delta
Sun 4/264:04 pm
TRI
-
STL
1 stop6h 15m
Delta
Deal found 3/15$458
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 4/241:29 pm
STL
-
TRI
2 stops7h 28m
American Airlines
Sun 4/265:05 am
TRI
-
STL
1 stop4h 25m
American Airlines
Deal found 3/15$467
This American Airlines deal was found by Cheapflights users on 3/14. 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 3/277:05 am
STL
-
TRI
1 stop6h 16m
American Airlines
Sat 4/47:51 am
TRI
-
STL
1 stop5h 51m
American Airlines
Deal found 3/14$469
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 5/12:12 pm
STL
-
TRI
1 stop6h 45m
American Airlines
Sun 5/32:55 pm
TRI
-
STL
1 stop4h 09m
American Airlines
Deal found 3/15$575

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$358
(American Airlines)

One-way from

$236
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$596
Provider with most accurate pricing for Lambert-St Louis-Blountville Tri Cities TN/VA flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Blountville Tri Cities TN/VA flights.
Search Deals
From Lambert-St Louis to Blountville Tri Cities TN/VA
Search Deals
One-way flight from Lambert-St Louis to Blountville Tri Cities TN/VA
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 18, 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

Price

Cheapest round-trip
Quickest round-trip

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Fri 5/29

5:18 pm-11:26 pm

1 stop5h 08m

Blountville Tri Cities TN/VA

Sun 6/7

5:15 am-8:33 am

1 stop4h 18m

$358

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Fri 4/24

9:59 am-3:22 pm

1 stop4h 23m

Blountville Tri Cities TN/VA

Sun 4/26

4:04 pm-9:19 pm

1 stop6h 15m

$458

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Fri 4/24

1:29 pm-9:57 pm

2 stops7h 28m

Blountville Tri Cities TN/VA

Sun 4/26

5:05 am-8:30 am

1 stop4h 25m

$467

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Fri 3/27

6:57 pm-11:47 pm

1 stop3h 50m

Blountville Tri Cities TN/VA

Sat 4/4

2:46 pm-7:30 pm

1 stop5h 44m

$474

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Fri 5/1

1:29 pm-9:57 pm

2 stops7h 28m

Blountville Tri Cities TN/VA

Sun 5/3

2:55 pm-11:46 pm

2 stops9h 51m

$585

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Mon 3/23

1:34 pm-9:29 pm

1 stop6h 55m

Blountville Tri Cities TN/VA

Fri 3/27

5:00 am-8:35 am

1 stop4h 35m

$801
Cheapest one-way

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Sat 5/2

8:23 pm-4:28 pm

3 stops43h 05m

$236

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Sat 5/2

5:51 am-2:30 pm

2 stops7h 39m

$264
Quickest one-way

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 4/22

6:00 am-1:03 pm

1 stop6h 03m

$268

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 4/22

5:51 am-2:30 pm

2 stops7h 39m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 Blountville

What is the cheapest month to book a flight from St. Louis to Blountville?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Blountville (average of $149). Flying from St. Louis to Blountville in June is currently the most expensive (average of $287). 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.

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 March 18, 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.
Delta
7.9
Good
8,292 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,292 reviews
Delta
7.9
Good
8,292 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from St. Louis to Blountville?

    There are many flights that can get you from St. Louis to Blountville in 4h 23m. Fly via American Airlines or Delta to get the fastest option. Airlines will cover a distance of 463 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from St. Louis to Blountville round-trip?

    Cheapflights users have booked flights from St. Louis to Blountville round-trip from $149. Delta is 64% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from St. Louis to Blountville that include hotel bookings?

    Yes. In addition to deals on St. Louis to Blountville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Blountville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Blountville.

  • Can I find deals for business class flights from St. Louis to Blountville?

    Yes. Cheapflights offers flight deals from St. Louis to Blountville 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 Blountville?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Blountville (average of $149). Flying from St. Louis to Blountville in June is currently the most expensive (average of $287). 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

Traveling to a place near Blountville?

Book flights to Blountville if you plan to visit one of these locations
Greeneville
Marion
Beech Mountain
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.

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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$346FlexibilityNo 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.