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$132+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — STL
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
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 agosto 18, 2025.

Round-trip from

$229
(Delta)

One-way from

$132
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$228
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. 14% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 18, 2025.

This Delta deal was found by Cheapflights users on 8/18. 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.
vie. 9/265:54 amCHA - STL
1 stop3h 20mDelta
dom. 10/56:01 amSTL - CHA
1 stop5h 24mDelta
Deal found 8/18$229
This Delta deal was found by Cheapflights users on 8/17. 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.
mar. 9/26:40 pmCHA - STL
1 stop4h 22mDelta
mié. 9/106:00 amSTL - CHA
1 stop3h 30mDelta
Deal found 8/17$234
This United Airlines deal was found by Cheapflights users on 8/18. 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.
mar. 9/22:01 pmCHA - STL
1 stop5h 22mUnited Airlines
sáb. 9/68:10 amSTL - CHA
1 stop4h 16mUnited Airlines
Deal found 8/18$239
This American Airlines deal was found by Cheapflights users on 8/18. 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.
mar. 9/26:12 pmCHA - STL
1 stop5h 53mAmerican Airlines
sáb. 9/67:01 amSTL - CHA
2 stops8h 07mAmerican Airlines
Deal found 8/18$244
This Delta deal was found by Cheapflights users on 8/18. 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.
jue. 8/217:35 amCHA - STL
1 stop6h 45mDelta
lun. 8/255:11 pmSTL - CHA
1 stop5h 31mDelta
Deal found 8/18$279
This American Airlines deal was found by Cheapflights users on 8/17. 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.
jue. 8/216:17 pmCHA - STL
2 stops6h 34mAmerican Airlines
dom. 8/245:15 amSTL - CHA
1 stop7h 16mAmerican Airlines
Deal found 8/17$284
This Delta deal was found by Cheapflights users on 8/18. 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.
mar. 8/195:54 amCHA - STL
1 stop5h 03mDelta
sáb. 8/236:40 amSTL - CHA
1 stop6h 27mDelta
Deal found 8/18$289
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
vie. 9/265:52 pmCHA - STL
2 stops40h 48mMultiple Airlines
dom. 10/51:57 pmSTL - CHA
1 stop25h 53mMultiple Airlines
Deal found 8/18$293
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
sáb. 9/275:52 pmCHA - STL
2 stops40h 14mMultiple Airlines
dom. 10/51:57 pmSTL - CHA
1 stop25h 53mMultiple Airlines
Deal found 8/18$298
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
vie. 9/265:52 pmCHA - STL
2 stops40h 48mMultiple Airlines
vie. 10/39:32 pmSTL - CHA
1 stop18h 25mMultiple Airlines
Deal found 8/18$307
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
sáb. 9/275:52 pmCHA - STL
1 stop20h 15mMultiple Airlines
jue. 10/27:55 pmSTL - CHA
2 stops20h 02mMultiple Airlines
Deal found 8/18$309
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
dom. 9/2811:59 amCHA - STL
2 stops26h 03mMultiple Airlines
dom. 10/51:57 pmSTL - CHA
1 stop25h 53mMultiple Airlines
Deal found 8/18$310

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 agosto 18, 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

jue. 10/16

4:04 pm-9:28 pm

1 stop6h 24m

Lambert-St Louis

lun. 10/20

2:15 pm-9:58 pm

1 stop6h 43m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

vie. 9/26

5:54 am-8:14 am

1 stop3h 20m

Lambert-St Louis

mié. 10/1

7:10 am-12:25 pm

1 stop4h 15m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

mié. 10/1

10:54 am-2:35 pm

1 stop4h 41m

Lambert-St Louis

dom. 10/5

6:01 am-10:09 am

1 stop3h 08m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

mar. 9/30

5:54 am-8:14 am

1 stop3h 20m

Lambert-St Louis

sáb. 10/4

5:11 pm-11:35 pm

1 stop5h 24m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sáb. 9/27

5:54 am-8:44 am

1 stop3h 50m

Lambert-St Louis

dom. 10/5

6:01 am-12:25 pm

1 stop5h 24m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

vie. 9/26

5:54 am-8:14 am

1 stop3h 20m

Lambert-St Louis

mar. 9/30

6:01 am-10:14 am

1 stop3h 13m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

vie. 9/12

8:13 pm-11:24 pm

1 stop4h 11m

Lambert-St Louis

dom. 9/14

6:01 am-10:09 am

1 stop3h 08m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

jue. 10/2

8:13 pm-11:24 pm

1 stop4h 11m

Lambert-St Louis

sáb. 10/4

6:01 am-12:31 pm

1 stop5h 30m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

vie. 9/26

8:13 pm-11:24 pm

1 stop4h 11m

Lambert-St Louis

vie. 10/3

6:40 am-2:04 pm

1 stop6h 24m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sáb. 9/27

6:31 pm-10:00 pm

1 stop4h 29m

Lambert-St Louis

vie. 10/3

6:40 am-2:04 pm

1 stop6h 24m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 21 results
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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, August is the cheapest month in which you can book a flight from Chattanooga to St. Louis (average of $311). Flying from Chattanooga to St. Louis in March is currently the most expensive (average of $356). 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 agosto 18, 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 24% 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 agosto 18, 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
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 6h 24m. Chattanooga and St. Louis are separated by a distance of 384 mi.

  • 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 25% 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, August is the cheapest month in which you can book a flight from Chattanooga to St. Louis (average of $311). Flying from Chattanooga to St. Louis in March is currently the most expensive (average of $356). 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
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$308FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$289FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$479FlexibilityNo cancel feeOn-time69%

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