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Chattanooga

$146+ Cheap flights from St. Louis to Chattanooga (STL - CHA)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Chattanooga

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Chattanooga (CHA). 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 September 11, 2025.

Round-trip from

$229
(Delta)

One-way from

$146
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$303
From Lambert-St Louis to Chattanooga Lovell Field
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One-way flight from Lambert-St Louis to Chattanooga Lovell Field
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Highest demand for flights based on searches. 16% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Chattanooga

Cheapest flights from St. Louis to Chattanooga
Explore the most affordable flight options available from St. Louis to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/46:01 amSTL - CHA
1 stop3h 13mDelta
Sat 10/255:59 pmCHA - STL
1 stop5h 05mDelta
Deal found 9/11$229
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/47:23 amSTL - CHA
2 stops7h 45mAmerican Airlines
Sat 10/256:00 amCHA - STL
1 stop6h 51mAmerican Airlines
Deal found 9/10$234
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 9/222:11 pmSTL - CHA
1 stop6h 06mAmerican Airlines
Mon 10/68:05 pmCHA - STL
1 stop4h 53mAmerican Airlines
Deal found 9/11$249
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/162:11 pmSTL - CHA
1 stop6h 06mAmerican Airlines
Wed 9/247:08 amCHA - STL
1 stop6h 43mAmerican Airlines
Deal found 9/11$279
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/261:21 pmSTL - CHA
1 stop7h 17mAmerican Airlines
Tue 9/301:04 pmCHA - STL
2 stops8h 28mAmerican Airlines
Deal found 9/11$294
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/97:23 amSTL - CHA
1 stop6h 36mAmerican Airlines
Mon 10/138:05 pmCHA - STL
1 stop4h 53mAmerican Airlines
Deal found 9/11$349
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/133:23 pmSTL - CHA
1 stop6h 48mUnited Airlines
Wed 10/1510:30 amCHA - STL
1 stop4h 57mUnited Airlines
Deal found 9/11$351
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/105:30 amSTL - CHA
1 stop4h 22mAmerican Airlines
Mon 10/138:05 pmCHA - STL
1 stop4h 53mAmerican Airlines
Deal found 9/11$373
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:20 amSTL - CHA
1 stop27h 06mUnited Airlines
Mon 10/132:01 pmCHA - STL
1 stop5h 16mUnited Airlines
Deal found 9/10$380

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Chattanooga 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 September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Chattanooga that are best for you.

Fly from

St. Louis

Fly to

Chattanooga

Route

Depart

Return

Price

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 10/4

6:01 am-10:14 am

1 stop3h 13m

Chattanooga Lovell Field

Sat 10/25

6:15 am-9:15 am

1 stop4h 00m

$229

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 2/21

6:45 am-2:39 pm

1 stop6h 54m

Chattanooga Lovell Field

Wed 2/25

3:15 pm-6:04 pm

1 stop3h 49m

$229

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 10/4

7:23 am-4:08 pm

2 stops7h 45m

Chattanooga Lovell Field

Sat 10/25

6:00 am-11:51 am

1 stop6h 51m

$234

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 2/21

2:32 pm-9:52 pm

1 stop6h 20m

Chattanooga Lovell Field

Wed 2/25

6:48 am-2:55 pm

2 stops9h 07m

$279

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Mon 10/13

3:23 pm-11:11 pm

1 stop6h 48m

Chattanooga Lovell Field

Wed 10/15

10:30 am-2:27 pm

1 stop4h 57m

$351

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 10/10

5:30 am-10:52 am

1 stop4h 22m

Chattanooga Lovell Field

Mon 10/13

8:05 pm-11:58 pm

1 stop4h 53m

$373

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 10/10

9:20 am-1:26 pm

1 stop27h 06m

Chattanooga Lovell Field

Mon 10/13

2:01 pm-6:17 pm

1 stop5h 16m

$380

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 10/28

8:40 pm-1:50 pm

2 stops40h 10m

$156

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 10/28

7:05 am-12:52 pm

1 stop4h 47m

$176

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 10/4

7:55 pm-1:50 pm

2 stops16h 55m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 12 results
1
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Best time to book a flight from St. Louis to Chattanooga

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

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Chattanooga (average of $323). Flying from St. Louis to Chattanooga in October is currently the most expensive (average of $418). 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 STL to CHA?

Find hourly flight availability from St. Louis to Chattanooga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from St. Louis to Chattanooga is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

Reviews of airlines servicing Chattanooga

Get insights into the airlines that provide service to Chattanooga. 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 Chattanooga. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta and American Airlines from St. Louis to Chattanooga have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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 St. Louis to Chattanooga. 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 St. Louis to Chattanooga?

    Delta and American Airlines can get you from St. Louis to Chattanooga in just under 3h 13m. Your travel time can differ by up to 4h 32m. There are 384 mi between St. Louis and Chattanooga. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $222, Delta will fly you from St. Louis to Chattanooga 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 $228. Delta is currently priced 29% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Chattanooga (average of $323). Flying from St. Louis to Chattanooga in October is currently the most expensive (average of $418). 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 Chattanooga?

Book flights to Chattanooga if you plan to visit one of these locations
Ringgold

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Top 2 airlines flying from St. Louis to Chattanooga

Discover the top 2 airlines that operate flights from St. Louis to Chattanooga. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$222Average$293FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$289FlexibilityNo cancel feeOn-time71%

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