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Blountville

$209+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TRI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 17, 2025.

Round-trip from

$314
(Delta)

One-way from

$209
(Delta)

Popular in

December

Cheapest in

August

Average price

$367
From Lambert-St Louis to Blountville Tri Cities TN/VA
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One-way flight from Lambert-St Louis to Blountville Tri Cities TN/VA
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Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

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.
Sat 10/46:01 amSTL - TRI
1 stop3h 14mDelta
Tue 10/77:17 pmTRI - STL
1 stop3h 47mDelta
Deal found 9/16$314
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.
Tue 9/302:11 pmSTL - TRI
1 stop5h 44mAmerican Airlines
Sat 10/47:25 pmTRI - STL
1 stop4h 42mAmerican Airlines
Deal found 9/15$319
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.
Fri 9/192:11 pmSTL - TRI
1 stop5h 25mAmerican Airlines
Mon 9/224:31 pmTRI - STL
1 stop7h 19mAmerican Airlines
Deal found 9/15$359
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.
Fri 9/195:11 pmSTL - TRI
1 stop4h 26mDelta
Mon 9/227:17 pmTRI - STL
1 stop5h 07mDelta
Deal found 9/16$369
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.
Mon 10/136:00 amSTL - TRI
1 stop5h 43mDelta
Wed 10/156:10 amTRI - STL
1 stop5h 16mDelta
Deal found 9/15$378
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.
Sat 10/46:10 amSTL - TRI
2 stops9h 39mAmerican Airlines
Tue 10/75:25 pmTRI - STL
1 stop6h 40mAmerican Airlines
Deal found 9/14$379
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.
Mon 10/134:25 pmSTL - TRI
1 stop6h 32mAmerican Airlines
Wed 10/157:00 amTRI - STL
2 stops6h 57mAmerican Airlines
Deal found 9/15$383

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 September 17, 2025.
Use the filters below to find and compare flights from St. Louis to Blountville that are best for you.

Fly from

St. Louis

Fly to

Blountville

Route

Depart

Return

Price

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Sat 10/4

6:01 am-10:15 am

1 stop3h 14m

Blountville Tri Cities TN/VA

Tue 10/7

1:28 pm-3:55 pm

1 stop3h 27m

$314

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Tue 9/30

2:11 pm-8:55 pm

1 stop5h 44m

Blountville Tri Cities TN/VA

Sat 10/4

7:25 pm-11:07 pm

1 stop4h 42m

$319

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Mon 10/13

6:00 am-12:43 pm

1 stop5h 43m

Blountville Tri Cities TN/VA

Wed 10/15

6:10 am-10:26 am

1 stop5h 16m

$378

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Sat 10/4

6:10 am-4:49 pm

2 stops9h 39m

Blountville Tri Cities TN/VA

Tue 10/7

5:25 pm-11:05 pm

1 stop6h 40m

$379

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Mon 10/13

4:25 pm-11:57 pm

1 stop6h 32m

Blountville Tri Cities TN/VA

Wed 10/15

7:00 am-12:57 pm

2 stops6h 57m

$383

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 10/8

6:00 am-12:43 pm

1 stop5h 43m

$209

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 10/8

10:16 am-7:00 pm

2 stops7h 44m

$214

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 10/8

8:40 pm-5:35 pm

3 stops43h 55m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 $390). Flying from St. Louis to Blountville in April is currently the most expensive (average of $494). 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 September 17, 2025.
See what other customers who have flown with Delta and American Airlines 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
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 3h 14m. Fly via Delta or American Airlines 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 are the cheapest airlines flying from St. Louis to Blountville round-trip?

    Cheapflights users have booked flights from St. Louis to Blountville round-trip from $288. Another airline that can offer you cheap pricing is American Airlines. Delta is 30% 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 $390). Flying from St. Louis to Blountville in April is currently the most expensive (average of $494). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from St. Louis to Blountville

Discover the top 2 airlines 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$418FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$556FlexibilityNo cancel feeOn-time71%

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