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St. Louis

$280+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — STL
Sep 10 — Sep 171
Thu 9/10
Thu 9/17
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 August 11, 2026.

This Delta deal was found by Cheapflights users on 8/11. 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 11/123:35 pm -
1 stop3h 38m
Sun 11/157:05 am -
1 stop4h 57m
Deal found 8/11$299
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 8/226:00 am -
1 stop4h 32m
Wed 8/264:54 pm -
1 stop5h 55m
Deal found 8/7$329
This American Airlines deal was found by Cheapflights users on 8/9. 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 8/217:40 am -
1 stop6h 14m
Mon 8/243:25 pm -
1 stop4h 42m
Deal found 8/9$349
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 9/266:25 am -
2 stops7h 51m
Wed 9/305:18 pm -
1 stop5h 38m
Deal found 8/10$497
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 9/16:00 am -
1 stop6h 26m
Fri 9/43:32 pm -
1 stop6h 18m
Deal found 8/7$527
This American Airlines deal was found by Cheapflights users on 8/11. 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 11/1211:01 am -
2 stops8h 16m
Sun 11/155:04 am -
1 stop4h 32m
Deal found 8/11$580

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 August 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(American Airlines)

One-way from

$280
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$338
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Lambert-St Louis flights.
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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. 11% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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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 August 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

BlountvilleSt. Louis

TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis

TRISTL

Blountville Tri Cities TN/VA

Sat 9/26

7:00 am-12:15 pm

1 stop6h 15m

Lambert-St Louis

Wed 9/30

8:43 am-4:32 pm

1 stop6h 49m

$299
Quickest round-trip

BlountvilleSt. Louis

TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis

TRISTL

Blountville Tri Cities TN/VA

Fri 8/21

7:40 am-12:54 pm

1 stop6h 14m

Lambert-St Louis

Mon 8/24

3:25 pm-9:07 pm

1 stop4h 42m

$349

BlountvilleSt. Louis

TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis

TRISTL

Blountville Tri Cities TN/VA

Sat 8/22

12:30 pm-8:26 pm

2 stops8h 56m

Lambert-St Louis

Wed 8/26

3:25 pm-10:59 pm

1 stop6h 34m

$512

BlountvilleSt. Louis

TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis

TRISTL

Blountville Tri Cities TN/VA

Tue 9/1

6:00 am-11:26 am

1 stop6h 26m

Lambert-St Louis

Fri 9/4

3:32 pm-10:50 pm

1 stop6h 18m

$527
Cheapest one-way
Quickest one-way

BlountvilleSt. Louis

TRI Blountville Tri Cities TN/VA - STL Lambert-St Louis

TRISTL

Blountville Tri Cities TN/VA

Fri 8/14

2:10 pm-6:15 pm

2 stops29h 05m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

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 August.
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.

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 August 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
7.8
Good
8,505 reviews

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.8
Good
8,505 reviews
Delta
7.8
Good
8,505 reviews

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.1
Good
11,902 reviews
Delta
7.8
Good
8,505 reviews

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 6h 15m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 463 mi.

  • 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 61% 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.

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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

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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 August 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$152Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$414FlexibilityNo cancel feeOn-time71%

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