Fly STL to ATL: Best Deals and Expert Travel Guide for St. Louis to Atlanta
Cheapest flight found
$84
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: STL → ATL
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$84
Highest Fare
$200
Median Fare
$184
Price Spread
$116
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $84)
Most expensive month: April 2026 (from $200)
Biggest price drop caught: $196 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from St. Louis to Atlanta range from $84 to $200, a $116 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $196 between hourly checks on this route.
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From
St. Louis (STL)
To
Atlanta (ATL)
Airport Information
St. Louis (STL)
St. Louis Lambert International Airport (STL) serves as a primary gateway for the Missouri and Illinois region, boasting a rich history as a pioneer in American aviation. The airport features two main terminals: Terminal 1, which houses most legacy carriers and stunning architectural vaults, and Terminal 2, which is the dedicated home for Southwest Airlines. Travelers can enjoy local St. Louis flavors like toasted ravioli at several concourse eateries while waiting for their departure.
Atlanta (ATL)
Hartsfield-Jackson Atlanta International Airport (ATL) consistently ranks as one of the world's busiest airports, serving as the primary hub for Delta Air Lines and a major international gateway. Located just seven miles south of downtown Atlanta, it features seven concourses connected by a high-speed underground 'Plane Train.' Passengers will find an incredible array of dining options, upscale shopping, and even an impressive collection of museum-quality art installations throughout the terminals to keep them entertained during their stay.
Frequently Asked Questions
Which airlines fly direct from STL to ATL?
Southwest Airlines and Delta Air Lines are the primary carriers offering consistent non-stop service on this route.
How long is the flight from St. Louis to Atlanta?
The average flight duration is approximately 1 hour and 35 minutes, covering a flight distance of about 480 miles.
What is the best time to fly to avoid crowds?
Mid-week flights, specifically on Tuesdays and Wednesdays, generally offer shorter security wait times and less crowded cabins at both STL and ATL.
Is there a time difference between STL and ATL?
Yes, Atlanta is in the Eastern Time Zone, which is one hour ahead of the Central Time Zone used in St. Louis.
Can I use public transit from ATL to downtown?
Yes, the MARTA rail system has a station located directly inside the domestic terminal, providing easy access to downtown, Midtown, and Buckhead.
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Our Methodology
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