Cheap flights from St. Louis to Atlanta from $23
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Atlanta departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Fri 11/6
6:34 pm-9:24 pm
Nonstop1h 50m
Atlanta Hartsfield-Jackson
Fri 11/13
4:49 pm-5:42 pm
Nonstop1h 53m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Mon 11/2
6:44 pm-9:29 pm
Nonstop1h 45m
Atlanta Hartsfield-Jackson
Fri 11/6
4:49 pm-5:42 pm
Nonstop1h 53m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Fri 10/30
6:44 pm-9:29 pm
Nonstop1h 45m
Atlanta Hartsfield-Jackson
Mon 11/2
4:47 pm-5:40 pm
Nonstop1h 53m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Tue 1/12
3:40 pm-6:19 pm
Nonstop1h 39m
Atlanta Hartsfield-Jackson
Sat 1/16
2:00 pm-2:43 pm
Nonstop1h 43m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Mon 11/9
7:18 pm-9:59 pm
Nonstop1h 41m
Atlanta Hartsfield-Jackson
Sat 11/14
7:25 pm-8:09 pm
Nonstop1h 44m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Mon 11/2
4:45 pm-7:20 pm
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Fri 11/6
8:15 pm-9:00 pm
Nonstop1h 45m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Wed 12/2
10:15 am-12:50 pm
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Wed 12/9
6:50 pm-7:30 pm
Nonstop1h 40m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Fri 1/22
5:25 pm-7:55 pm
Nonstop1h 30m
Atlanta Hartsfield-Jackson
Fri 1/29
7:00 am-7:45 am
Nonstop1h 45m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Sat 1/9
1:45 pm-10:29 pm
1 stop7h 44m
Atlanta Hartsfield-Jackson
Sat 1/16
7:53 am-2:55 pm
1 stop8h 02m
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Tue 1/12
5:57 am-12:04 pm
1 stop5h 07m
Atlanta Hartsfield-Jackson
Sat 1/16
11:34 am-5:18 pm
1 stop6h 44m
See travel insights to Atlanta from
How to get the cheapest flight ticket from St. Louis to Atlanta
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between St. Louis and Atlanta?
Prices are currently low for flights on this route.
Typical prices usually range from $127 to $257.The lowest price recently found on this route was $62.
What is the cheapest month to fly to Atlanta?
The month of August is, on average, the cheapest month to fly to Atlanta from St. Louis, with most prices found around $169. If you aren’t able to travel to Atlanta during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $177.
What is the cheapest day to depart on your flight to Atlanta?
Our data shows that Thursday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $351. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Monday is $546.
What is the cheapest time of day to depart on your flight to Atlanta?
The cheapest time of day to fly to Atlanta is in the afternoon when flights can be purchased for as low as $372. Flights to Atlanta are more costly at noon, with an average ticket price of $621. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Lambert-St Louis to Atlanta Hartsfield-Jackson flight route?
Fly from Lambert-St Louis to Atlanta Hartsfield-Jackson for the best Lambert-St Louis - Atlanta Hartsfield-Jackson flight prices
How far in advance should I book a flight from St. Louis to Atlanta?
You are more likely to see cheaper flights to Atlanta from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Atlanta for around $213 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Atlanta from St. Louis for as low as $136 on momondo.
What cabin class options are available on St. Louis to Atlanta flights?
There are 4 cabin classes available to choose from on St. Louis to Atlanta flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Lambert-St Louis to Atlanta Hartsfield-Jackson?
Frontier is the most popular carrier operating from Lambert-St Louis to Atlanta Hartsfield-Jackson
What airlines fly to Atlanta?
Frontier, Delta and Southwest are the top three most popular airlines that fly to Atlanta from St. Louis according to our data. Frontier is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Atlanta. Keep in mind that there are 5 different airlines that fly to Atlanta on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Atlanta on average per day?
40 flights are operational daily from St. Louis to Atlanta as of October 2026. The most popular departure time for this route is 10:00AM, with 48% of flights per day taking off in the afternoon.
How many flights depart from St. Louis to Atlanta on average per week?
As of October 2026, there are 281 flights per week flying from St. Louis to Atlanta. The most common day of the week flights depart is Sun, with 15% of flights taking off on this day.
When to book flights from St. Louis to Atlanta
Cheap St. Louis to Atlanta (STL to ATL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Atlanta
Frequently asked questions about flying from St. Louis to Atlanta
How far is Lambert-St Louis to Atlanta Hartsfield-Jackson by plane?
A flight from Lambert-St Louis to Atlanta Hartsfield-Jackson will travel around 466.6 mi. Typically, this will take 1h 30m by plane in normal conditions.
When did momondo last update prices for flights from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport?
Prices for flights from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport?
There are 4 operators available for flights from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport as of October 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport.
What documentation or ID do you need to fly to Atlanta Hartsfield-Jackson Airport?
The travel and health documents required for your trip to Atlanta Hartsfield-Jackson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Atlanta Hartsfield-Jackson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from St. Louis to Atlanta?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Atlanta is Boeing 737 MAX 8, representing 20.28% of all bookings. The subsequent popular models are Boeing 737-900 at 19.94%, Boeing 737-800 Passenger/BBJ2 (winglets) at 19.40%, and Airbus A321neo at 9.11%.
What is the most popular airline from St. Louis to Atlanta?
Based on momondo bookings for flights between St. Louis and Atlanta, the leading airline is Frontier, making up 43% of the total bookings. Other popular airlines include Delta with 39%, Southwest with 18%, and JetBlue with 1%.
Best airlines flying from St. Louis to Atlanta
Compare and see reviews for airlines that fly from St. Louis to Atlanta with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 5.5 2,542 reviews | |||
| PriceFrom $100 | Free Cancellation | Rating 7.8 8,653 reviews | |||
| PriceFrom $105 | Free Cancellation | Rating 7.1 3,045 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 7.9 4,218 reviews |
Southwest Flights From St. Louis to Atlanta
Southwest operates around 17 flights from St. Louis to Atlanta every week. The average price of these flights found in the last 72 hours has been $309, but momondo users have found Southwest deals from St. Louis to Atlanta from as low as $137 round-trip. Southwest has been scored 7.9/10 in 4,220 reviews.
Delta Flights From St. Louis to Atlanta
Across 8,653 Delta reviews on momondo, the average score is 7.8/10. Delta flies from St. Louis to Atlanta about 39 times each week, with ticket deals ranging from $100 to $243. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near Atlanta?
Book flights to Atlanta if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Atlanta?
Finding the right flight to Atlanta from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Atlanta quick and easy, saving you time and money.
Can I find flights from St. Louis to Atlanta with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Atlanta from St. Louis with this policy.
How can momondo help me find flights from St. Louis to Atlanta?
momondo provides multiple filters to help you find the best flight to Atlanta from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from St. Louis to Atlanta right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of St. Louis to Atlanta flights. All you need is a valid email address and we will do the rest; it is that quick and easy.