Cheap Flights from Atlanta Hartsfield-Jackson to St Louis

Compare Atlanta Hartsfield-Jackson to St Louis flight deals

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Flight deals from Atlanta Hartsfield-Jackson to St Louis

Looking for a cheap last-minute deal or the best round-trip flight from Atlanta Hartsfield-Jackson Airport to St Louis Airport? If you want to travel next month, round-trip fares start from AED 205. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Atlanta Hartsfield-Jackson to St Louis

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

Direct flights from Atlanta Hartsfield-Jackson to St Louis

Atlanta Hartsfield-Jackson to St Louis: Alternative routes

Compare routes from Atlanta Hartsfield-Jackson to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Atlanta to St Louis: Flight information

The things to know before you go.
Cheapest flight foundAED 101
Cheapest month to flyJuly
Average flight time1 hr, 43 mins
Most popular airlineSouthwest Airlines
Average flights per week324

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

The best price we found for a round-trip flight from Atlanta Hartsfield-Jackson to St Louis is AED 202. 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 43 minutes is the average flight time from Atlanta Hartsfield-Jackson to St Louis.
Southwest Airlines, KLM and LATAM Airlines fly direct from Atlanta Hartsfield-Jackson to St Louis.
There are 324 flights per week flying from Atlanta Hartsfield-Jackson to St Louis, as of May 2026.
The cheapest month to fly from Atlanta Hartsfield-Jackson to St Louis is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Atlanta Hartsfield-Jackson Airport to St Louis Airport on Friday, August 14, 2026.
Yes – the average flight time is 1 hour and 43 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 St Louis 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 St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to St Louis.

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

  • Around 1 hour 40 minutes is how long you can expect to be traveling on a direct flight from Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport.

  • St Louis's timezone is UTC-5, making St Louis one hour behind Atlanta.

  • Flights from ATL to STL start at 06:50 — the first with Southwest Airlines. The latest departure is at 23:00 with Delta Air Lines. Overall, you can choose from 82 weekly Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Make sure you're at the airport on time to catch your ATL to STL flight.

  • Flying during a peak month such as July? Major public holidays and other high seasons can result in longer lines at airport checkpoints. Play things extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Delta Air Lines is your gateway to exploring St Louis (and maybe even some other exciting corners of United States!). Check out the direct flights from Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport offered by this popular airline.

  • The majority of travelers choose to fly with Delta Air Lines on this route.

  • Delta Air Lines is the most punctual carrier that offers ATL to STL flights, with 79.5% of its services landing on schedule.

  • If you'd like to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport. Here are the top stopovers between ATL and STL:

    • Chicago Midway International Airport

    • Nashville International Airport

    • Pensacola International Airport

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

  • AED 101 is the lowest price for a one-way Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport flight. A return flight starts at AED 202. These fares may change depending on availability and demand.

  • Score cheap tickets from ATL to STL by booking at least six months ahead. According to our research, that's the sweet spot for bagging a bargain.

  • Organize your trip for May. That's the cheapest month for flights from Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport. If you're flexible with your travel dates, use the 'Whole month' tool to find the lowest price across every month.

  • There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as the price changes on cheap flights from ATL to STL.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport.

Handy information about Hartsfield-Jackson Atlanta International Airport (ATL)

  • The address for ATL is 6000 N Terminal Parkway.

  • 76.64% of flights that depart Hartsfield-Jackson Atlanta International Airport touch down at their destination on schedule.

  • To reach Hartsfield-Jackson Atlanta International Airport from central Atlanta, it takes about 15 minutes if you're going by car. This depends on traffic though. It's approximately 18 kilometers from the airport to the city center.

  • You can expect a trip time of around 1 hour 10 minutes when using public transport.

  • Get your journey off to a relaxed start by staying near ATL. Whether you have an early flight from Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport or just don't want to be rushed, these hotels are perfect:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

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

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometers away. It takes around 20 minutes to reach the center driving.

  • It takes roughly 35 minutes if you're traveling by public transport.

When to fly to Lambert-St. Louis International Airport (STL)

  • The quietest month for a flight from Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport is April, while July is the most popular. Pick the best time to visit St Louis based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your flight from Hartsfield-Jackson Atlanta International Airport to Lambert-St. Louis International Airport, think about the kind of weather you like. July is the warmest month in St Louis, with the temperature ranging from 17ºC (63ºF) to 33ºC (91ºF).

  • Look for cheap tickets from ATL to STL in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -8ºC (18ºF) and 7ºC (45ºF) on average.

Explore more of United States

  • You've visited St Louis, now it's time to discover more of United States. Journey about 418 kilometers north-east to Chicago to check off its top sights. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, your itinerary will be busy.

  • Indianapolis is another well-known destination in United States and is around 370 kilometers east of St Louis. No journey is complete without a visit to The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

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