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 35% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from St. Louis to Blountville?

Travelers seeking maximum savings on their St. Louis to Blountville flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from St. Louis to Blountville?

Our data shows that May tends to be the cheapest month to fly to Blountville from St. Louis. Users have commonly found prices around $447 for the month, but tickets can be as low as $346. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from STL to TRI?

It’s optimal to fly from St. Louis to Blountville in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at noon.

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.

$145+ Flights from St. Louis to Blountville

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Cheap flight deals from St. Louis to Blountville

Round-trip from	$288 (Delta)
One-way from	$145 (Delta)
Popular in	December
Cheapest in	May
Average price	$396

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. 6% potential increase in price ($32 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 29, 2025.

Sat 10/46:01 amSTL - TRI

1 stop5h 36mDelta

Tue 10/71:28 pmTRI - STL

1 stop3h 27mDelta

Deal found 7/28

$288

Wed 9/101:21 pmSTL - TRI

2 stops8h 48mAmerican Airlines

Sun 9/148:12 pmTRI - STL

1 stop4h 41mAmerican Airlines

Deal found 7/27

$293

Best flights from St. Louis to Blountville
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 29, 2025.

Sat 10/46:01 amSTL - TRI

1 stop5h 36mDelta

Tue 10/71:28 pmTRI - STL

1 stop3h 27mDelta

Deal found 7/28

$288

Wed 9/101:21 pmSTL - TRI

2 stops8h 48mAmerican Airlines

Sun 9/148:12 pmTRI - STL

1 stop4h 41mAmerican Airlines

Deal found 7/27

$293

Last-minute flights from St. Louis to Blountville
Discover last-minute flight deals from St. Louis to Blountville. Data last updated July 29, 2025 and is based on user searches.

Wed 8/67:00 amSTL - TRI

1 stop4h 44mDelta

Fri 8/84:05 pmTRI - STL

1 stop6h 29mDelta

Deal found 7/27

$329

Wed 8/66:06 amSTL - TRI

2 stops9h 48mAmerican Airlines

Fri 8/85:23 pmTRI - STL

1 stop6h 42mAmerican Airlines

Deal found 7/27

$682

Tue 8/123:40 pmSTL - TRI

1 stop5h 55mDelta

Sat 8/1610:57 amTRI - STL

1 stop6h 09mDelta

Deal found 7/28

$299

Tue 8/127:23 amSTL - TRI

2 stops8h 31mAmerican Airlines

Sat 8/164:05 pmTRI - STL

1 stop4h 13mAmerican Airlines

Deal found 7/28

$304

One-way flights from St. Louis to Blountville
Search for one-way flight options from St. Louis to Blountville. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Wed 9/107:00 amSTL - TRI

1 stop4h 41mDelta

Deal found 7/27

$145

Wed 9/101:21 pmSTL - TRI

2 stops8h 48mAmerican Airlines

Deal found 7/27

$150

Cheapflights Fare Finder

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

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Sat 10/4

6:01 am-12:37 pm

1 stop5h 36m

Blountville Tri Cities TN/VA

Tue 10/7

1:28 pm-3:55 pm

1 stop3h 27m

$288

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 9/10

1:21 pm-11:09 pm

2 stops8h 48m

Blountville Tri Cities TN/VA

Sun 9/14

8:12 pm-11:53 pm

1 stop4h 41m

$293

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 9/10

7:00 am-12:41 pm

1 stop4h 41m

$145

St. LouisBlountville

STL - TRI

STLTRI

Lambert-St Louis

Wed 9/10

1:21 pm-11:09 pm

2 stops8h 48m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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, July is the cheapest month in which you can book a flight from St. Louis to Blountville (average of $398). 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

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

7,977 reviews

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

7,977 reviews

Delta

8.0

Very good

7,977 reviews

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

7,977 reviews

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

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 35% 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, July is the cheapest month in which you can book a flight from St. Louis to Blountville (average of $398). 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.

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Top 2 airlines flying from St. Louis to Blountville

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$323	Average$443	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$348	Average$556	FlexibilityNo cancel fee	On-time71%

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$145+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Blountville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Blountville

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Blountville

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 29, 2025.

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 29, 2025.

Cheapflights Fare Finder

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

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.

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?

Reviews of airlines servicing Blountville

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.

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.

What are the cheapest airlines flying from St. Louis to Blountville round-trip?

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

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

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

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

Traveling to a place near Blountville?

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 for St. Louis to Blountville

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Blountville

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Travel Smart

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 July 29, 2025.