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Chattanooga

$273+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHA
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
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 July 27, 2026.

This American Airlines deal was found by Cheapflights users on 7/26. 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 9/89:32 am
STL
-
CHA
1 stop6h 50m
American Airlines
Tue 9/155:15 pm
CHA
-
STL
1 stop6h 27m
American Airlines
Deal found 7/26$281
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/227:25 am
STL
-
CHA
1 stop4h 51m
United Airlines
Sat 8/291:51 pm
CHA
-
STL
1 stop4h 15m
United Airlines
Deal found 7/25$290
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/46:53 pm
STL
-
CHA
1 stop4h 17m
United Airlines
Sun 9/610:44 am
CHA
-
STL
1 stop7h 22m
United Airlines
Deal found 7/26$312
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/69:20 am
STL
-
CHA
1 stop7h 03m
United Airlines
Mon 8/107:07 pm
CHA
-
STL
1 stop5h 22m
United Airlines
Deal found 7/22$329
This Delta deal was found by Cheapflights users on 7/23. 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 9/246:00 am
STL
-
CHA
1 stop4h 23m
Delta
Sun 9/273:50 pm
CHA
-
STL
1 stop5h 08m
Delta
Deal found 7/23$333
This Delta deal was found by Cheapflights users on 7/25. 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 10/162:25 pm
STL
-
CHA
1 stop5h 10m
Delta
Mon 10/197:26 pm
CHA
-
STL
1 stop5h 28m
Delta
Deal found 7/25$345
This United Airlines deal was found by Cheapflights users on 7/26. 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 10/245:36 pm
STL
-
CHA
1 stop5h 34m
United Airlines
Wed 10/2810:41 am
CHA
-
STL
1 stop7h 10m
United Airlines
Deal found 7/26$351
This American Airlines deal was found by Cheapflights users on 7/24. 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 8/76:54 am
STL
-
CHA
1 stop5h 44m
American Airlines
Mon 8/105:14 am
CHA
-
STL
1 stop5h 18m
American Airlines
Deal found 7/24$367
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/89:20 am
STL
-
CHA
1 stop7h 03m
United Airlines
Wed 8/126:15 am
CHA
-
STL
1 stop6h 47m
United Airlines
Deal found 7/22$384
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sun 8/96:36 am
STL
-
CHA
1 stop7h 47m
American Airlines
Sat 8/157:57 am
CHA
-
STL
1 stop5h 58m
American Airlines
Deal found 7/27$396
This American Airlines deal was found by Cheapflights users on 7/25. 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 8/228:34 am
STL
-
CHA
1 stop4h 04m
American Airlines
Sat 8/297:01 am
CHA
-
STL
2 stops6h 54m
American Airlines
Deal found 7/25$398

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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$281
(American Airlines)

One-way from

$273
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$345
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. 4% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 27, 2026.
Use the filters below to find and compare flights from St. Louis to Chattanooga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 9/8

9:32 am-5:22 pm

1 stop6h 50m

Chattanooga Lovell Field

Tue 9/15

5:15 pm-10:42 pm

1 stop6h 27m

$281

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 8/22

7:25 am-1:16 pm

1 stop4h 51m

Chattanooga Lovell Field

Sat 8/29

1:51 pm-5:06 pm

1 stop4h 15m

$290

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 9/4

6:53 pm-12:10 am

1 stop4h 17m

Chattanooga Lovell Field

Sun 9/6

10:44 am-5:06 pm

1 stop7h 22m

$312

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 8/6

9:20 am-5:23 pm

1 stop7h 03m

Chattanooga Lovell Field

Mon 8/10

7:07 pm-11:29 pm

1 stop5h 22m

$329

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 9/24

6:00 am-11:23 am

1 stop4h 23m

Chattanooga Lovell Field

Sun 9/27

3:50 pm-7:58 pm

1 stop5h 08m

$333
Quickest round-trip

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 9/24

6:53 am-12:07 pm

1 stop4h 14m

Chattanooga Lovell Field

Sun 9/27

5:00 am-8:30 am

1 stop4h 30m

$333

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 10/24

5:36 pm-12:10 am

1 stop5h 34m

Chattanooga Lovell Field

Wed 10/28

10:41 am-4:51 pm

1 stop7h 10m

$351

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 8/8

9:20 am-5:23 pm

1 stop7h 03m

Chattanooga Lovell Field

Wed 8/12

6:15 am-12:02 pm

1 stop6h 47m

$384

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sun 8/9

6:36 am-3:23 pm

1 stop7h 47m

Chattanooga Lovell Field

Sat 8/15

7:57 am-12:55 pm

1 stop5h 58m

$396

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 8/11

8:35 am-3:43 pm

1 stop6h 08m

Chattanooga Lovell Field

Sat 8/15

6:15 am-11:53 am

1 stop6h 38m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Chattanooga flight deals on Cheapflights vs. FlightHub >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 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 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, November is the cheapest month in which you can book a flight from St. Louis to Chattanooga (average of $268). Flying from St. Louis to Chattanooga in June is currently the most expensive (average of $444). 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.

How much does it cost to fly round-trip from St. Louis to Chattanooga?

Airfare is below average for this route at the moment.

St. Louis to Chattanooga flights typically cost between $288 and $293 in September.
The cheapest round-trip price found within the last 5 days was $281 on American Airlines (Sep 8-Sep 15).

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 July 27, 2026.
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
7.8
Good
8,482 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,836 reviews
Delta
7.8
Good
8,482 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

    American Airlines and United Airlines can get you from St. Louis to Chattanooga in just under 4h 51m. Your travel time can differ by up to 1h 59m. 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 $248, American Airlines will fly you from St. Louis to Chattanooga and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $267. American Airlines 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 $268). Flying from St. Louis to Chattanooga in June is currently the most expensive (average of $444). 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
Trenton

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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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$368FlexibilityNo cancel feeOn-time71%
DeltaCheapest$267Average$345FlexibilityNo cancel feeOn-timeN/A

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