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$175+ Cheap flights from Chattanooga to St. Louis (CHA - 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — STL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Delta)

One-way from

$176
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$318
Provider with most accurate pricing for Chattanooga Lovell Field-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Lambert-St Louis flights.
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From Chattanooga Lovell Field to Lambert-St Louis
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One-way flight from Chattanooga Lovell Field to Lambert-St Louis
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Highest demand for flights based on searches. 13% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/15. 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 11/65:54 amCHA - STL
1 stop5h 32mDelta
Sun 11/96:00 amSTL - CHA
1 stop5h 52mDelta
Deal found 10/15$229
This Delta deal was found by Cheapflights users on 10/16. 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 10/315:54 amCHA - STL
1 stop4h 21mDelta
Tue 11/47:05 amSTL - CHA
1 stop4h 47mDelta
Deal found 10/16$234
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/2410:30 amCHA - STL
1 stop6h 14mUnited Airlines
Sun 10/266:30 amSTL - CHA
1 stop4h 03mUnited Airlines
Deal found 10/15$269
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 10/1612:12 pmCHA - STL
1 stop4h 32mUnited Airlines
Mon 10/205:28 pmSTL - CHA
1 stop4h 43mUnited Airlines
Deal found 10/15$289
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/318:01 amCHA - STL
2 stops9h 02mAmerican Airlines
Tue 11/45:17 amSTL - CHA
1 stop5h 17mAmerican Airlines
Deal found 10/16$318
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/712:10 pmCHA - STL
1 stop4h 36mUnited Airlines
Sat 11/89:00 amSTL - CHA
2 stops12h 59mUnited Airlines
Deal found 10/15$437
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/145:20 pmCHA - STL
2 stops20h 19mUnited Airlines
Sun 11/165:24 pmSTL - CHA
1 stop4h 35mUnited Airlines
Deal found 10/14$487
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/277:35 amCHA - STL
1 stop6h 02mAmerican Airlines
Sun 11/306:45 pmSTL - CHA
1 stop4h 47mAmerican Airlines
Deal found 10/14$505
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 11/61:58 pmCHA - STL
2 stops9h 24mUnited Airlines
Sun 11/95:24 pmSTL - CHA
1 stop4h 35mUnited Airlines
Deal found 10/15$669
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/206:00 amCHA - STL
1 stop7h 57mAmerican Airlines
Wed 10/2212:51 pmSTL - CHA
1 stop4h 51mAmerican Airlines
Deal found 10/16$683

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 October 16, 2025.
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 2/21

3:15 pm-7:14 pm

1 stop4h 59m

Lambert-St Louis

Tue 2/24

10:00 am-2:33 pm

1 stop3h 33m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 11/7

6:34 pm-11:56 pm

1 stop6h 22m

Lambert-St Louis

Sat 11/8

2:08 pm-10:21 pm

1 stop7h 13m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Thu 11/6

5:54 am-10:26 am

1 stop5h 32m

Lambert-St Louis

Sun 11/9

6:00 am-12:52 pm

1 stop5h 52m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 11/14

6:21 pm-11:44 pm

1 stop6h 23m

Lambert-St Louis

Sun 11/16

6:40 am-2:18 pm

1 stop6h 38m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 10/31

5:54 am-9:15 am

1 stop4h 21m

Lambert-St Louis

Tue 11/4

7:05 am-12:52 pm

1 stop4h 47m

$234

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 10/31

8:01 am-4:03 pm

2 stops9h 02m

Lambert-St Louis

Tue 11/4

5:17 am-11:34 am

1 stop5h 17m

$318

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 11/7

12:10 pm-3:46 pm

1 stop4h 36m

Lambert-St Louis

Sat 11/8

9:00 am-10:59 pm

2 stops12h 59m

$437

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 11/14

5:20 pm-12:39 pm

2 stops20h 19m

Lambert-St Louis

Sun 11/16

5:24 pm-10:59 pm

1 stop4h 35m

$487

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Thu 11/27

7:35 am-12:37 pm

1 stop6h 02m

Lambert-St Louis

Sun 11/30

6:45 pm-12:32 am

1 stop4h 47m

$505

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Thu 10/30

8:00 pm-9:07 am

3 stops38h 07m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 19 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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 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 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 March is currently the most expensive (average of $248). 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 CHA to STL?

Find hourly flight availability from Chattanooga 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 October 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Chattanooga to St. Louis in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

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 October 16, 2025.
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
8.0
Very good
7,984 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
7,984 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,043 reviews
Delta
8.0
Very good
7,984 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 4h 59m. 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 24% 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 March is currently the most expensive (average of $248). 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
Eureka
Glencoe
St. Peters
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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$289FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$479FlexibilityNo cancel feeOn-time69%

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