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St. Louis

$242+ Cheap flights from Chattanooga to St. Louis (CHA - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — STL
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Chattanooga to St. Louis

Cheapest flights from Chattanooga to St. Louis
Explore the most affordable flight options available from Chattanooga to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 3/45:22 pm
CHA
-
STL
1 stop4h 43m
United Airlines
Sun 3/87:41 am
STL
-
CHA
1 stop4h 45m
United Airlines
Deal found 1/20$242
This Delta deal was found by Cheapflights users on 1/20. 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 6/251:30 pm
CHA
-
STL
1 stop3h 28m
Delta
Sun 6/287:20 am
STL
-
CHA
1 stop6h 14m
Delta
Deal found 1/20$249
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/281:55 pm
CHA
-
STL
1 stop6h 35m
American Airlines
Sun 3/15:12 am
STL
-
CHA
1 stop5h 34m
American Airlines
Deal found 1/20$258
This American Airlines deal was found by Cheapflights users on 1/20. 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 1/276:00 am
CHA
-
STL
1 stop4h 40m
American Airlines
Fri 2/275:12 am
STL
-
CHA
1 stop7h 29m
American Airlines
Deal found 1/20$274
This American Airlines deal was found by Cheapflights users on 1/21. 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 3/26:49 pm
CHA
-
STL
1 stop5h 59m
American Airlines
Thu 3/57:05 am
STL
-
CHA
1 stop7h 02m
American Airlines
Deal found 1/21$286
This Delta deal was found by Cheapflights users on 1/20. 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 6/265:30 am
CHA
-
STL
1 stop3h 37m
Delta
Sun 6/287:20 am
STL
-
CHA
1 stop6h 14m
Delta
Deal found 1/20$288
This American Airlines deal was found by Cheapflights users on 1/20. 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 1/302:12 pm
CHA
-
STL
1 stop8h 18m
American Airlines
Sat 2/79:33 am
STL
-
CHA
2 stops8h 22m
American Airlines
Deal found 1/20$291
This Delta deal was found by Cheapflights users on 1/21. 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 1/297:45 pm
CHA
-
STL
1 stop4h 52m
Delta
Sat 1/317:10 am
STL
-
CHA
1 stop5h 05m
Delta
Deal found 1/21$299

Find flight deals from Chattanooga to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Chattanooga (CHA) 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$242
(United Airlines)

Popular in

May

Cheapest in

August

Average price

$263
Provider with most accurate pricing for Chattanooga Lovell Field-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Lambert-St Louis flights.
Search Deals
From Chattanooga Lovell Field to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chattanooga 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 January 21, 2026.
Use the filters below to find and compare flights from Chattanooga to St. Louis that are best for you.

Fly from

Chattanooga

Fly to

St. Louis

Route

Depart

Return

Price

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Sat 4/4

7:51 am-1:50 pm

1 stop6h 59m

Lambert-St Louis

Sun 4/5

5:12 am-11:46 am

1 stop5h 34m

$242

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Wed 3/4

5:22 pm-9:05 pm

1 stop4h 43m

Lambert-St Louis

Sun 3/8

7:41 am-1:26 pm

1 stop4h 45m

$242

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Thu 6/25

1:30 pm-3:58 pm

1 stop3h 28m

Lambert-St Louis

Sun 6/28

7:20 am-2:34 pm

1 stop6h 14m

$249

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Sat 2/28

9:08 am-6:00 pm

2 stops9h 52m

Lambert-St Louis

Sun 3/1

5:12 am-11:46 am

1 stop5h 34m

$263

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 6/26

5:30 am-8:07 am

1 stop3h 37m

Lambert-St Louis

Sun 6/28

7:20 am-2:34 pm

1 stop6h 14m

$288

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Sat 2/21

6:30 am-10:36 am

1 stop5h 06m

Lambert-St Louis

Wed 2/25

6:25 am-12:16 pm

1 stop4h 51m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from Chattanooga 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 Chattanooga to St. Louis in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Chattanooga-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chattanooga-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chattanooga-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chattanooga-St. Louis flights, Cheapflights users trust Expedia the most. Expedia 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 Chattanooga-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 Chattanooga to St. Louis

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

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

Currently, April is the cheapest month in which you can book a flight from Chattanooga to St. Louis (average of $198). Flying from Chattanooga to St. Louis in November is currently the most expensive (average of $267). 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 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 January 21, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Chattanooga to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,089 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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
8,089 reviews
Delta
7.9
Good
8,089 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,089 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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
7.2
Good
11,174 reviews
Delta
7.9
Good
8,089 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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 Chattanooga 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 Chattanooga to St. Louis?

    Departing from Chattanooga to St. Louis will take you 3h 28m. Chattanooga and St. Louis are separated by a distance of 384 mi. This flight may include one or multiple stops.

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

    According to our current data, American Airlines ($228), Delta ($228), and United Airlines ($248) offers the cheapest pricing from Chattanooga to St. Louis. American Airlines is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Chattanooga to St. Louis (average of $198). Flying from Chattanooga to St. Louis in November is currently the most expensive (average of $267). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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Top 3 airlines flying from Chattanooga to St. Louis

Discover the top 3 airlines that operate flights from Chattanooga 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$291FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$318FlexibilityNo cancel feeOn-time69%

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