$39 Cheap Flights from St. Louis (STL) to Atlanta (ATL)

View $39 flight on Fri, Nov 14, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Hartsfield-Jackson Atlanta International Airport (ATL)

Today's featured flight deals from St. Louis Lambert Intl. Airport (STL) to Hartsfield-Jackson Atlanta International Airport (ATL)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from St. Louis to Atlanta (STL-ATL)

Prices were available within the past 7 days and start at $39 for one-way flights and $81 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Nov 14 - Wed, Nov 19
STL
St. Louis
ATL
Atlanta
$81 Roundtrip, found 4 hours ago
$81
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from St. Louis to Atlanta, returning Wed, Nov 19, priced at $81 found 4 hours ago
Frontier Airlines
Thu, Oct 30 - Fri, Nov 7
STL
St. Louis
ATL
Atlanta
$83 Roundtrip, found 5 hours ago
$83
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from St. Louis to Atlanta, returning Fri, Nov 7, priced at $83 found 5 hours ago
Frontier Airlines
Fri, Dec 5 - Sun, Dec 7
STL
St. Louis
ATL
Atlanta
$84 Roundtrip, found 2 hours ago
$84
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Dec 5 from St. Louis to Atlanta, returning Sun, Dec 7, priced at $84 found 2 hours ago
Frontier Airlines
Thu, Dec 4 - Fri, Dec 5
STL
St. Louis
ATL
Atlanta
$88 Roundtrip, found 1 day ago
$88
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 4 from St. Louis to Atlanta, returning Fri, Dec 5, priced at $88 found 1 day ago
Frontier Airlines
Thu, Oct 30 - Fri, Oct 31
STL
St. Louis
ATL
Atlanta
$92 Roundtrip, found 6 hours ago
$92
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from St. Louis to Atlanta, returning Fri, Oct 31, priced at $92 found 6 hours ago
Frontier Airlines
Fri, Oct 31 - Fri, Nov 7
STL
St. Louis
ATL
Atlanta
$93 Roundtrip, found 2 hours ago
$93
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from St. Louis to Atlanta, returning Fri, Nov 7, priced at $93 found 2 hours ago
Frontier Airlines
Thu, Oct 23 - Thu, Oct 30
STL
St. Louis
ATL
Atlanta
$95 Roundtrip, found 5 hours ago
$95
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from St. Louis to Atlanta, returning Thu, Oct 30, priced at $95 found 5 hours ago
Southwest Airlines
Fri, Nov 14 - Wed, Nov 19
STL
St. Louis
ATL
Atlanta
$135 Roundtrip, found 4 hours ago
$135
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Nov 14 from St. Louis to Atlanta, returning Wed, Nov 19, priced at $135 found 4 hours ago
Delta
Fri, Nov 7 - Mon, Nov 10
STL
St. Louis
ATL
Atlanta
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Nov 7 from St. Louis to Atlanta, returning Mon, Nov 10, priced at $197 found 2 hours ago
United
Thu, Jan 29 - Sat, Jan 31
STL
St. Louis
ATL
Atlanta
$271 Roundtrip, just found
$271
Roundtrip
just found
Select United flight, departing Thu, Jan 29 from St. Louis to Atlanta, returning Sat, Jan 31, priced at $271 just found

Find the cheapest month to fly from St. Louis (STL) to Atlanta (ATL)

August is typically the cheapest month to fly

From $81 - $292 per traveler.

Alternative airports near Atlanta

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hartsfield-Jackson Atlanta Intl. ATL. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $154
ATL
Hartsfield-Jackson Atlanta Intl.
Cheapest
Average driving time to city center16 min
Flights from $154

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) cost?
Lock in a cheap one-way flight from $39 or cheap return flight from $81 from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Traveling in November is a good way to save, as it's the cheapest month for flights between STL and ATL. You'll typically find the lowest fares during off-peak months.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Catch a direct flight with Delta Air Lines and travel straight from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL).
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
The cheapest airline to offer flights between Lambert-St. Louis Intl. Airport (STL) and Hartsfield-Jackson Atlanta Intl. Airport (ATL) can change depending on your travel plans. Southwest Airlines and Delta Air Lines are just some of your options offering well-priced fares. Use Expedia's filters to compare airlines in one place and find the right STL to ATL flight that fits your budget.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Each day, an average of 8 nonstop flights take off from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). Choose the departure time that best suits your travel plans.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Flights between STL and ATL are their busiest at 5 PM. If you'd like a more relaxed trip and possibly cheaper fares, look for a departure outside the usual busy windows.
What day of the week has the most flights from STL to ATL?
If you travel on a Friday, you'll get the widest range of choices for flights from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL).
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Catch the earliest flight at around 6:00AM UTC-6, heading out of Lambert-St. Louis Intl. Airport (STL). You'll be in the air for around 1h 39m, arriving at Hartsfield-Jackson Atlanta Intl. Airport (ATL) at approximately 8:39AM UTC-5.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
The average flight duration from STL to ATL is 1 hour and 38 minutes, covering a total distance of 480 mi.
What airline has the least delays from STL to ATL?
Aeromexico has the best performance for on-time direct flights from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL), with an on-time rating of 92%. Use the Expedia App to see your flight status before you jet off and receive notifications about any changes.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Atlanta from Lambert-St. Louis Intl. Airport (STL)?
Browse your flight options from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). This is the only airport in Atlanta you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) last-minute?
Last-minute bookings from STL to ATL are typically more expensive. To lock in the lowest rates, start looking for flights ahead of time. That said, if your travel plans are flexible, you may find a cheap ticket right before you leave.
Is it cheaper to book a STL to ATL flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to ATL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
It's usually possible to cancel or reschedule your STL to ATL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Hartsfield-Jackson Atlanta Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$81
Distance
482 mi
Average flight time
2 hours 33 mins

Book with confidence

Book with confidence

St. Louis to Atlanta Flights

The cheapest times to fly from St. Louis to Atlanta

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Atlanta are during the month of November. You can find some of the cheapest flights from St. Louis to Atlanta with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Atlanta

Sunday is one of the best days to book for cheap flights from St. Louis to Atlanta: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Atlanta

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Atlanta in 2025. You can also book with separate airlines for your outbound and return journeys, from $39 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Atlanta flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Atlanta airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Atlanta Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.