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$115+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — STL
jan 3 — jan 101
sáb 1/3
sáb 1/10
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 dezembro 4, 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.
qui 12/259:08 amCHA - STL
1 stop5h 06mAmerican Airlines
qui 1/16:35 pmSTL - CHA
1 stop5h 01mAmerican Airlines
Deal found 12/2$231
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.
qua 12/177:05 amCHA - STL
1 stop6h 27mAmerican Airlines
dom 12/211:54 pmSTL - CHA
1 stop6h 59mAmerican Airlines
Deal found 12/2$259
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 12/287:59 pmCHA - STL
1 stop4h 43mDelta
sáb 1/37:00 amSTL - CHA
1 stop4h 41mDelta
Deal found 12/2$274
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.
dom 12/285:35 amCHA - STL
1 stop6h 15mAmerican Airlines
qui 1/14:53 pmSTL - CHA
1 stop4h 22mAmerican Airlines
Deal found 12/2$300
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/35:34 pmCHA - STL
1 stop5h 06mUnited Airlines
dom 12/76:30 amSTL - CHA
1 stop4h 03mUnited Airlines
Deal found 12/1$319
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.
qua 12/310:17 amCHA - STL
2 stops7h 42mAmerican Airlines
dom 12/76:53 pmSTL - CHA
1 stop4h 08mAmerican Airlines
Deal found 12/1$324
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 12/277:59 pmCHA - STL
1 stop4h 43mDelta
ter 12/306:00 amSTL - CHA
1 stop5h 41mDelta
Deal found 12/2$334
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 12/287:59 pmCHA - STL
1 stop4h 43mDelta
sex 1/27:00 amSTL - CHA
1 stop6h 31mDelta
Deal found 12/2$361
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.
dom 12/285:35 amCHA - STL
1 stop6h 15mAmerican Airlines
qua 12/312:06 pmSTL - CHA
2 stops7h 43mAmerican Airlines
Deal found 12/2$376
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.
qui 12/181:33 pmCHA - STL
1 stop3h 33mDelta
seg 12/226:00 amSTL - CHA
1 stop5h 41mDelta
Deal found 12/3$389

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 dezembro 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Delta)

One-way from

$115
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$278
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
One-way flight from Chattanooga Lovell Field to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($46 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 December 2025
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 dezembro 4, 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

sáb 4/11

4:14 pm-9:10 pm

1 stop5h 56m

Lambert-St Louis

ter 4/14

9:00 am-2:34 pm

1 stop4h 34m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

qui 1/15

5:30 am-11:05 am

1 stop6h 35m

Lambert-St Louis

dom 1/18

6:00 am-1:05 pm

1 stop6h 05m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

qui 12/25

9:08 am-1:14 pm

1 stop5h 06m

Lambert-St Louis

qui 1/1

6:35 pm-12:36 am

1 stop5h 01m

$231

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sex 2/13

5:22 pm-10:59 pm

1 stop6h 37m

Lambert-St Louis

dom 2/15

6:30 am-12:16 pm

1 stop4h 46m

$244

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

qua 12/17

7:05 am-12:32 pm

1 stop6h 27m

Lambert-St Louis

dom 12/21

1:54 pm-9:53 pm

1 stop6h 59m

$259

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

qua 1/7

3:00 pm-7:12 pm

1 stop5h 12m

Lambert-St Louis

dom 1/11

6:00 am-11:01 am

1 stop4h 01m

$264

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sex 3/6

11:42 am-2:47 pm

1 stop4h 05m

Lambert-St Louis

dom 3/8

6:00 am-10:56 am

1 stop3h 56m

$264

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

dom 12/28

7:59 pm-11:42 pm

1 stop4h 43m

Lambert-St Louis

sáb 1/3

7:00 am-12:41 pm

1 stop4h 41m

$274

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sáb 1/31

8:43 am-2:28 pm

1 stop6h 45m

Lambert-St Louis

qua 2/4

10:10 am-4:54 pm

1 stop5h 44m

$289

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

dom 12/28

5:35 am-10:50 am

1 stop6h 15m

Lambert-St Louis

qua 12/31

4:53 pm-10:15 pm

1 stop4h 22m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 21 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 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 Chattanooga-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chattanooga-St. Louis flight deals on Cheapflights vs. eDreams >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 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 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 $266). 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 dezembro 4, 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.

How much does it cost to fly round-trip from Chattanooga 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 dezembro 4, 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
7.9
Good
8,011 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

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
9,066 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

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
11,047 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

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 5h 06m. 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 23% 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 $266). 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

Browse thousands of different options on Cheapflights for your next trip

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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 dezembro 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$287FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$348FlexibilityNo cancel feeOn-time69%

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