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St. Louis

$201+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — STL
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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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 March 11, 2026.

This Delta deal was found by Cheapflights users on 3/10. 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.
Thu 4/26:15 am
TRI
-
STL
1 stop3h 50m
Delta
Tue 4/710:12 am
STL
-
TRI
1 stop3h 58m
Delta
Deal found 3/10$289
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/25:00 am
TRI
-
STL
1 stop4h 35m
American Airlines
Tue 4/76:00 am
STL
-
TRI
2 stops7h 30m
American Airlines
Deal found 3/10$294
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 9/308:24 pm
TRI
-
STL
1 stop4h 09m
American Airlines
Sun 10/45:27 am
STL
-
TRI
1 stop5h 42m
American Airlines
Deal found 3/7$314
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:08 pm
TRI
-
STL
2 stops14h 42m
Multiple Airlines
Sun 4/194:59 pm
STL
-
TRI
1 stop18h 14m
Multiple Airlines
Deal found 3/7$353
This Delta deal was found by Cheapflights users on 3/10. 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 3/257:07 pm
TRI
-
STL
1 stop5h 51m
Delta
Sun 3/297:03 am
STL
-
TRI
1 stop4h 57m
Delta
Deal found 3/10$409
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/172:55 pm
TRI
-
STL
2 stops9h 51m
American Airlines
Sun 4/195:51 am
STL
-
TRI
2 stops8h 59m
American Airlines
Deal found 3/7$452
This American Airlines deal was found by Cheapflights users on 3/10. 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 3/255:00 am
TRI
-
STL
2 stops9h 39m
American Airlines
Sun 3/296:57 pm
STL
-
TRI
1 stop3h 50m
American Airlines
Deal found 3/10$479
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
TRI
-
STL
1 stop7h 49m
United Airlines
Tue 8/258:30 pm
STL
-
TRI
1 stop12h 50m
United Airlines
Deal found 3/8$675

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Delta)

One-way from

$201
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$570
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Lambert-St Louis flights.
Search Deals
From Blountville Tri Cities TN/VA to Lambert-St Louis
Search Deals
One-way flight from Blountville Tri Cities TN/VA to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 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 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 March 11, 2026.
Use the filters below to find and compare flights from Blountville to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 4/2

6:15 am-9:05 am

1 stop3h 50m

Lambert-St Louis

Tue 4/7

10:12 am-3:10 pm

1 stop3h 58m

$289

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 4/2

5:00 am-8:35 am

1 stop4h 35m

Lambert-St Louis

Tue 4/7

6:00 am-2:30 pm

2 stops7h 30m

$294

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Fri 4/17

5:08 pm-6:50 am

2 stops14h 42m

Lambert-St Louis

Sun 4/19

4:59 pm-12:13 pm

1 stop18h 14m

$353

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Wed 3/25

7:07 pm-11:58 pm

1 stop5h 51m

Lambert-St Louis

Sun 3/29

7:03 am-1:00 pm

1 stop4h 57m

$409

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Fri 8/21

6:00 am-3:38 pm

1 stop10h 38m

Lambert-St Louis

Tue 8/25

1:18 pm-12:17 am

1 stop9h 59m

$675
Cheapest one-way

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Sun 3/22

8:56 am-7:02 am

1 stop23h 06m

$201
Quickest one-way

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Sun 3/22

7:45 am-2:51 pm

2 stops8h 06m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first

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 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 Blountville-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Blountville-St. Louis flight deals on Cheapflights vs. FlightHub >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 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 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, January is the cheapest month in which you can book a flight from Blountville to St. Louis (average of $152). 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.

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 March 11, 2026.
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.
Delta
7.9
Good
8,278 reviews

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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
8,278 reviews
Delta
7.9
Good
8,278 reviews

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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.
American Airlines
7.1
Good
11,419 reviews
Delta
7.9
Good
8,278 reviews

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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 3h 50m. 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 $152, 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 $162. You may be able to fly from Blountville to St. Louis for 64% 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, January is the cheapest month in which you can book a flight from Blountville to St. Louis (average of $152). 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$152Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$428FlexibilityNo cancel feeOn-time71%

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