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Chattanooga

$175+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/257:05 amSTL - CHA
1 stop7h 02mAmerican Airlines
Mon 12/298:27 amCHA - STL
1 stop6h 09mAmerican Airlines
Deal found 12/10$244
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/171:00 pmSTL - CHA
1 stop6h 57mUnited Airlines
Wed 12/248:38 amCHA - STL
1 stop6h 48mUnited Airlines
Deal found 12/10$306
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:05 amSTL - CHA
1 stop6h 18mDelta
Thu 12/185:45 amCHA - STL
1 stop6h 00mDelta
Deal found 12/10$309
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/133:13 pmSTL - CHA
1 stop4h 44mUnited Airlines
Sun 12/147:00 amCHA - STL
1 stop6h 15mUnited Airlines
Deal found 12/11$319
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/267:00 amSTL - CHA
1 stop5h 45mAmerican Airlines
Tue 12/3011:58 amCHA - STL
1 stop6h 12mAmerican Airlines
Deal found 12/11$356
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/117:12 amSTL - CHA
1 stop5h 24mAmerican Airlines
Thu 12/186:35 amCHA - STL
2 stops7h 48mAmerican Airlines
Deal found 12/10$540
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/265:45 pmSTL - CHA
2 stops16h 55mUnited Airlines
Tue 12/308:38 amCHA - STL
1 stop6h 48mUnited Airlines
Deal found 12/11$636
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/136:30 amSTL - CHA
1 stop4h 03mUnited Airlines
Mon 12/151:58 pmCHA - STL
2 stops10h 44mUnited Airlines
Deal found 12/11$862
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/117:00 amSTL - CHA
2 stops8h 59mUnited Airlines
Thu 12/1812:15 pmCHA - STL
2 stops10h 40mUnited Airlines
Deal found 12/10$1,189

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Delta)

One-way from

$175
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$451
Provider with most accurate pricing for Lambert-St Louis-Chattanooga Lovell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Chattanooga Lovell Field flights.
Search Deals
From Lambert-St Louis to Chattanooga Lovell Field
Search Deals
One-way flight from Lambert-St Louis to Chattanooga Lovell Field
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($19 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 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 December 12, 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

Wed 1/7

6:00 am-11:01 am

1 stop4h 01m

Chattanooga Lovell Field

Wed 1/14

5:30 am-11:05 am

1 stop6h 35m

$229

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Wed 1/21

3:54 pm-11:24 pm

1 stop6h 30m

Chattanooga Lovell Field

Sat 1/24

10:28 am-3:04 pm

1 stop5h 36m

$229

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Wed 1/7

6:00 am-3:53 pm

2 stops8h 53m

Chattanooga Lovell Field

Wed 1/14

10:27 am-3:04 pm

1 stop5h 37m

$234

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 12/25

7:05 am-3:07 pm

1 stop7h 02m

Chattanooga Lovell Field

Mon 12/29

8:27 am-1:36 pm

1 stop6h 09m

$244

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 1/9

6:00 am-11:01 am

1 stop4h 01m

Chattanooga Lovell Field

Fri 1/16

5:30 am-8:53 am

1 stop4h 23m

$249

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Wed 12/17

1:00 pm-8:57 pm

1 stop6h 57m

Chattanooga Lovell Field

Wed 12/24

8:38 am-2:26 pm

1 stop6h 48m

$306

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 1/9

6:00 am-11:51 am

1 stop4h 51m

Chattanooga Lovell Field

Fri 1/16

2:12 pm-9:51 pm

2 stops8h 39m

$325

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 12/26

7:00 am-1:45 pm

1 stop5h 45m

Chattanooga Lovell Field

Tue 12/30

11:58 am-5:10 pm

1 stop6h 12m

$356

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 12/16

3:30 pm-12:51 pm

2 stops44h 21m

$175

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 12/20

10:10 pm-12:51 pm

1 stop13h 41m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 12 results
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Compare providers for flights from St. Louis to Chattanooga

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 St. Louis to Chattanooga 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 St. Louis-Chattanooga flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Chattanooga flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Chattanooga flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Chattanooga 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 St. Louis-Chattanooga 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 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, June is the cheapest month in which you can book a flight from St. Louis to Chattanooga (average of $177). Flying from St. Louis to Chattanooga in December is currently the most expensive (average of $275). 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 December 12, 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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 44% 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 December 12, 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
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

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
11,050 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

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 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 4h 01m. Your travel time can differ by up to 2h 29m. 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 33% 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, June is the cheapest month in which you can book a flight from St. Louis to Chattanooga (average of $177). Flying from St. Louis to Chattanooga in December is currently the most expensive (average of $275). 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

Browse thousands of different options on Cheapflights for your next trip

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$222Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%

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