Cheap Flights from St Louis to Atlanta

Compare St Louis to Atlanta flight deals

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Flight deals from St Louis Airport to Atlanta

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Atlanta? If you want to travel next month, return fares start from R 1,140. Find the lowest prices on one-way and return 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 April.

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 foundR 553
Cheapest month to flyApril
Average flight time1 hr, 39 mins
Most popular airlineWestJet
Average flights per week334

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 return flight from St Louis to Atlanta is R 1,039. 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.
WestJet, LATAM Airlines and Southwest Airlines fly direct from St Louis to Atlanta.
As of April 2026, there are 334 flights per week flying from St Louis to Atlanta.
The cheapest month to fly from St Louis to Atlanta is usually April.
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 centre of Atlanta. We've found flights into this airport from R 1,039.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Atlanta on Wednesday, 22 April 2026.
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 April, the average temperature is usually around 15°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.

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

  • The average length of a direct flight from Lambert-St. Louis International Airport to Atlanta is 1 hour 45 minutes.

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

  • Lambert-St. Louis International Airport (STL) to Hartsfield-Jackson Atlanta International Airport (ATL) is the most traveled route, with 66 weekly flights to choose from. If you prefer starting your day later, the last flight from STL to ATL is with Southwest Airlines at 21:20. Go for the first departure with Delta Air Lines at 06:00 if you want to fly out earlier.

  • For a relaxed start to your STL to Atlanta flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months such as July, it's wise to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during peak periods in general.

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

  • Well-known carriers that operate direct flights from Lambert-St. Louis International Airport to Atlanta include:

  • Located around 16 kilometres from the centre of St Louis, STL can be reached in about 20 minutes by car. The journey on public transport takes roughly 35 minutes.

  • Want a hassle-free start to your holiday? Stay near STL. Whether you're catching an early flight from Lambert-St. Louis International Airport to Atlanta or just don't want to be rushed, these hotels are a convenient choice:

  • 78.04% of flights taking off from Lambert-St. Louis International Airport reach their destination on time.

  • 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 R 553. The cheapest price for a return flight is R 1,039. 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 kilometres from the centre of Atlanta. If you're grabbing a cab or a ride-share, the drive will take roughly 15 minutes.

  • Getting there by public transport will take you around 1 hour 10 minutes.

  • Look into staying at a hotel close to ATL if you have a late flight from Lambert-St. Louis International Airport to Atlanta. Pick one of these accommodation options and make your arrival easier:

  • Grab a Hartsfield-Jackson Atlanta International Airport rental car and explore Atlanta and beyond with your own wheels. Thrifty, Dollar and Europcar are leading providers to choose from here.

  • For the best deal, reserve your ride from Hartsfield-Jackson Atlanta International Airport about three weeks ahead of your flight from STL to Atlanta.

  • The street address for ATL is 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, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Atlanta:

  • Every great journey has to include a little sightseeing. Centennial Olympic Park, Georgia Aquarium and Piedmont Park are must-do's during your Atlanta adventure.

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 kilometres 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 kilometres 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.