St. Louis

$94+ Cheap flights from Blountville to St. Louis (TRI - STL)

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — STL
Jan 2 — Jan 91
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Cheap flight deals from Blountville to St. Louis

Cheapest flights from Blountville to St. Louis
Explore the most affordable flight options available from Blountville to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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 12/242:45 pmTRI - STL
1 stop5h 45mAmerican Airlines
Tue 12/307:05 amSTL - TRI
1 stop6h 14mAmerican Airlines
Deal found 12/2$347
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/103:36 pmTRI - STL
1 stop3h 57mDelta
Wed 12/179:30 amSTL - TRI
1 stop4h 23mDelta
Deal found 12/3$446
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/1012:18 pmTRI - STL
2 stops10h 29mAmerican Airlines
Wed 12/175:54 pmSTL - TRI
1 stop4h 33mAmerican Airlines
Deal found 12/3$470
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/247:56 amTRI - STL
1 stop6h 18mAmerican Airlines
Mon 12/296:35 pmSTL - TRI
1 stop4h 19mAmerican Airlines
Deal found 12/1$478
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/235:05 amTRI - STL
1 stop4h 30mAmerican Airlines
Sat 12/275:00 amSTL - TRI
1 stop4h 13mAmerican Airlines
Deal found 12/1$489
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/164:11 pmTRI - STL
1 stop7h 36mAmerican Airlines
Sat 12/206:35 pmSTL - TRI
1 stop4h 24mAmerican Airlines
Deal found 12/1$658

Find flight deals from Blountville to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Blountville (TRI) to St. Louis (STL). 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(Delta)

One-way from

$94
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$415
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Lambert-St Louis flights.
From Blountville Tri Cities TN/VA to Lambert-St Louis
One-way flight from Blountville Tri Cities TN/VA to Lambert-St Louis
Highest demand for flights based on searches. 12% potential increase in price ($63 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Blountville to St. Louis 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 December 3, 2025.
Use the filters below to find and compare flights from Blountville to St. Louis that are best for you.

Fly from

Blountville

Fly to

St. Louis

Route

Depart

Return

Price

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Sat 1/31

10:16 am-3:56 pm

1 stop6h 40m

Lambert-St Louis

Wed 2/4

9:59 am-2:31 pm

1 stop3h 32m

$317

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Wed 12/24

2:45 pm-7:30 pm

1 stop5h 45m

Lambert-St Louis

Tue 12/30

7:05 am-2:19 pm

1 stop6h 14m

$347

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Sat 1/31

8:00 am-5:01 pm

2 stops10h 01m

Lambert-St Louis

Wed 2/4

9:25 am-4:01 pm

1 stop5h 36m

$412

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Wed 12/24

7:56 am-1:14 pm

1 stop6h 18m

Lambert-St Louis

Mon 12/29

6:35 pm-11:54 pm

1 stop4h 19m

$478

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Tue 12/23

5:05 am-1:17 pm

2 stops9h 12m

Lambert-St Louis

Sat 12/27

5:00 am-10:13 am

1 stop4h 13m

$494

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Wed 2/18

10:17 am-2:47 pm

1 stop5h 30m

Lambert-St Louis

Thu 2/19

7:10 am-12:22 pm

1 stop4h 12m

$497

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Wed 2/18

4:10 pm-11:18 pm

1 stop8h 08m

Lambert-St Louis

Thu 2/19

7:00 am-3:40 pm

1 stop7h 40m

$497

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Fri 2/20

5:08 pm-10:33 pm

1 stop6h 25m

$94

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Fri 12/12

8:35 pm-10:33 pm

1 stop26h 58m

$151

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Wed 2/18

3:29 pm-6:57 pm

1 stop4h 28m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Compare providers for flights from Blountville to St. Louis

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 Blountville to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Blountville-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Blountville-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Blountville-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Blountville-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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 Blountville-St. Louis 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 Blountville to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Blountville 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 Blountville to St. Louis

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

Currently, May is the cheapest month in which you can book a flight from Blountville to St. Louis (average of $198). Flying from Blountville to St. Louis in August is currently the most expensive (average of $274). 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.

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

Find hourly flight availability from Blountville to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Blountville to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Blountville to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated December 3, 2025.
See what other customers who have flown with Delta and American Airlines from Blountville to St. Louis 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

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

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.

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

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.

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

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 Blountville to St. Louis. 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 Blountville to St. Louis?

    There are many flights that can get you from Blountville to St. Louis in 5h 45m. Fly via Delta or American Airlines to get the fastest option. Airlines will cover a distance of 463 mi. This flight may include one or multiple stops.

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

    Currently priced at $288, Delta will fly you from Blountville to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $294. You may be able to fly from Blountville to St. Louis for 36% less than the average price by searching for these airlines.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Blountville to St. Louis (average of $198). Flying from Blountville to St. Louis in August is currently the most expensive (average of $274). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 2 airlines flying from Blountville to St. Louis

Discover the top 2 airlines that operate flights from Blountville to St. Louis. 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$294Average$428FlexibilityNo cancel feeOn-time71%

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