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

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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 return flight from Atlanta Hartsfield-Jackson to St Louis? Find the lowest prices on one-way and return tickets right here.
St Louis.$160 per passenger.Departing Sat, 12 Jul, returning Sat, 19 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Atlanta Hartsfield-Jackson on Sat, 12 Jul, arriving in St Louis.Inbound direct flight with Frontier Airlines departs from St Louis on Sat, 19 Jul, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $160, select.
St Louis.$160 per passenger.Departing Sat, 28 Jun, returning Sat, 5 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Atlanta Hartsfield-Jackson on Sat, 28 Jun, arriving in St Louis.Inbound direct flight with Frontier Airlines departs from St Louis on Sat, 5 Jul, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $160, select.
St Louis.$178 per passenger.Departing Sat, 21 Jun, returning Sun, 22 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Atlanta Hartsfield-Jackson on Sat, 21 Jun, arriving in St Louis.Inbound direct flight with Frontier Airlines departs from St Louis on Sun, 22 Jun, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $178, select.
St Louis.$178 per passenger.Departing Sat, 23 Aug, returning Mon, 25 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Atlanta Hartsfield-Jackson on Sat, 23 Aug, arriving in St Louis.Inbound direct flight with Frontier Airlines departs from St Louis on Mon, 25 Aug, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $178, select.
St Louis.$196 per passenger.Departing Fri, 29 Aug, returning Mon, 1 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Atlanta Hartsfield-Jackson on Fri, 29 Aug, arriving in St Louis.Inbound direct flight with Frontier Airlines departs from St Louis on Mon, 1 Sep, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $196, select.
St Louis.$196 per passenger.Departing Thu, 11 Sep, returning Mon, 15 Sep.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Atlanta Hartsfield-Jackson on Thu, 11 Sep, arriving in St Louis.Inbound indirect flight with Spirit Airlines, departs from St Louis on Mon, 15 Sep, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $196, select.
St Louis.$212 per passenger.Departing Sat, 27 Sep, returning Thu, 2 Oct.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Atlanta Hartsfield-Jackson on Sat, 27 Sep, arriving in St Louis.Inbound indirect flight with Spirit Airlines, departs from St Louis on Thu, 2 Oct, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $212, select.
St Louis.$231 per passenger.Departing Sat, 12 Jul, returning Mon, 18 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Atlanta Hartsfield-Jackson on Sat, 12 Jul, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 18 Aug, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $231, select.

The cheapest month to fly from Atlanta Hartsfield-Jackson Airport to St Louis Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Atlanta Hartsfield-Jackson Airport to St Louis Airport flight prices forecast over the next 12 months.
May
from $994
Jun
from $178
Jul
from $160
Aug
from $178
Sep
from $196
Oct
from $481
Nov
from $481
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
Cheapest month:July
Most expensive month:May

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 found$160
Cheapest month to flyJuly
Average flight time1 hr, 42 mins
Most popular airlineLATAM Airlines
Average flights per week267

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

The best price we found for a return flight from Atlanta Hartsfield-Jackson to St Louis is $160. 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 42 minutes is the average flight time from Atlanta Hartsfield-Jackson to St Louis.
LATAM Airlines, Southwest Airlines and Delta fly direct from Atlanta Hartsfield-Jackson to St Louis.
As of May 2025, there are 267 flights per week flying from Atlanta Hartsfield-Jackson to St Louis.
The cheapest month to fly from Atlanta Hartsfield-Jackson to St Louis is usually May 2025.
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 Saturday, 12 July 2025.
Yes – the average flight time is 1 hour and 42 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 travelling 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 travellers 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)

  • $79 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 $160. 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.

  • Organise 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 kilometres from the airport to the city centre.

  • 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 kilometres away. It takes around 20 minutes to reach the centre driving.

  • It takes roughly 35 minutes if you're travelling 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 kilometres 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 kilometres 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.

Plan the rest of your trip from Atlanta to St Louis

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