Cheap flights from St Louis to Atlanta

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Flight deals from St Louis to Atlanta

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Atlanta? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from St Louis to Atlanta

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Atlanta flights are currently cheapest in August.

Direct flights from St Louis to Atlanta

Alternative St Louis to Atlanta routes

Looking for the cheapest, fastest or easiest route from St Louis to Atlanta? You could fly into the following airports instead.

St Louis to Atlanta: Flight information

The things to know before you go.
Cheapest flight found$67
Cheapest month to flyJuly
Average flight time1 hr, 39 mins
Most popular airlineLATAM Airlines
Average flights per week306

Finding cheap flights from St Louis to Atlanta: Frequently asked questions

There are 3 airports in Atlanta: Atlanta Fulton County, Atlanta Hartsfield-Jackson and Atlanta De Kalb / Peachtree.
The best price we found for a round-trip flight from St Louis to Atlanta is $67. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 39 minutes is the average flight time from St Louis to Atlanta.
LATAM Airlines, WestJet and Southwest Airlines fly direct from St Louis to Atlanta.
There are 628 flights per week flying from St Louis to Atlanta, as of July 2025.
The cheapest month to fly from St Louis to Atlanta is usually July.
If you're flying from St Louis Airport, the cheapest airport near Atlanta is Atlanta Hartsfield-Jackson – which is 12.6 km away from the center of Atlanta. We've found flights to this airport from $67.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Atlanta on Thursday, July 31, 2025.
Yes – the average flight time is 1 hour and 39 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Atlanta but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Atlanta is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 27°C. July is typically the warmest month in Atlanta, when it usually averages around 33°C. You can expect the least rain in October. The coldest month is January, with temperatures averaging -0°C. The rainiest month is July.
Currently, Frontier Airlines offers the cheapest flight tickets to Atlanta.

Traveling from Lambert-St. Louis International Airport (STL) to Atlanta: what you need to know

  • Book a direct flight from Lambert-St. Louis International Airport to Atlanta and you'll be traveling for around 1 hour 45 minutes.

  • The timezone in Atlanta is UTC-4. The city is one hour ahead of St Louis, where Lambert-St. Louis International Airport is located.

  • The most popular route is from Lambert-St. Louis International Airport (STL) to Hartsfield-Jackson Atlanta International Airport (ATL). Choose from 66 weekly services between these two airports. If you want to head off as soon as possible, the earliest flight from STL to ATL is the 06:00 Delta Air Lines option. If you'd rather fly out later on, the last departure is at 21:20 with Southwest Airlines.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your STL to Atlanta flight.

  • If you're jetting off during a public holiday or another peak period, allow for even more time. A good general rule is two hours before domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • You can book a direct Lambert-St. Louis International Airport to Atlanta ticket. Start your trip at STL and end it at Hartsfield-Jackson Atlanta International Airport (ATL).

  • Choose from a variety of carriers that operate direct flights from Lambert-St. Louis International Airport to Atlanta. Get on board with any of these:

  • STL is about 16 kilometers from central St Louis. If you're driving, catching a cab or ride-sharing from the center, it'll take 20 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 35 minutes.

  • Want a stress-free start to your vacation? Stay near STL. Whether you're taking an early flight from Lambert-St. Louis International Airport to Atlanta or just don't like being rushed, these hotels are a convenient choice:

  • Of all flights departing from Lambert-St. Louis International Airport, 78.04% arrive as scheduled at their destination.

  • You'll find STL at 10701 Lambert International Blvd..

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Atlanta

  • The best price we've seen for a one-way Lambert-St. Louis International Airport to Atlanta flight is $57. The cheapest price for a return flight is $67. Bear in mind fares may change due to availability at the time of booking.

  • Book one month before you want to travel. Pricing trends show that this is the ideal window for finding cheap flights from STL to Atlanta.

  • The best month for picking up cheap Lambert-St. Louis International Airport to Atlanta tickets is May. Use the 'Whole month' tool to compare flight prices, then choose the dates with the lowest fares.

  • Picking up a cheap flight from STL to Atlanta couldn't be easier with Price Alerts. Simply set up one of these automatic notifications and we'll notify you as soon as a lower fare pops up.

  • Choose your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Lambert-St. Louis International Airport to Atlanta by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • Hartsfield-Jackson Atlanta International Airport (ATL) is around 18 kilometers from the center of Atlanta. If you're getting a cab or a ride-share, the drive takes roughly 15 minutes.

  • It typically takes 1 hour 10 minutes if you're traveling by public transport.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Lambert-St. Louis International Airport to Atlanta. Reserve one of these accommodation options near ATL instead:

  • Explore without limits with a Hartsfield-Jackson Atlanta International Airport rental car. Book your wheels from Thrifty, Dollar or Europcar and experience more of Atlanta and beyond.

  • Secure the lowest price by booking your ride from Hartsfield-Jackson Atlanta International Airport about three weeks ahead of your flight from STL to Atlanta.

  • You'll find ATL at 6000 N Terminal Parkway.

Best time to go to Atlanta

  • Travel to Atlanta in high season if you like a lively atmosphere, but remember that hotel prices are generally higher. Alternatively, book flights from Lambert-St. Louis International Airport to Atlanta during low season when prices are cheaper and crowds are smaller.

  • When booking your Lambert-St. Louis International Airport to Atlanta flight ticket, think about the weather you're most comfortable in. July is the warmest month in Atlanta, with temperatures ranging from 19ºC (66ºF) to 34ºC (93ºF).

  • Look for cheap tickets from STL to Atlanta in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -3ºC (27ºF) and 14ºC (57ºF) on average.

More about Atlanta

  • After booking your flight from Lambert-St. Louis International Airport to Atlanta, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring Atlanta:

  • Centennial Olympic Park and Georgia Aquarium are just two of the popular attractions to put on your Atlanta travel itinerary. Keep the adventure rolling by checking out Piedmont Park.

Explore more of United States

  • Atlanta has plenty going for it, but there are so many other corners of United States you'll want to see. Around 467 kilometers south-east of Atlanta, a trip to Jacksonville will keep you busy. Check out popular attractions like Jacksonville Zoo and Gardens, The Cummer Museum of Art & Gardens and Friendship Fountain.

  • If you're eager to discover another major stop in United States, consider Charlotte, roughly 370 kilometers north-east of Atlanta. NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.