Expect security screening at STL to take 5-10 minutes off-peak. Check real-time wait times online before heading to the airport.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $108 (Kiwi.com) |
One-way from | $28 (Kiwi.com) |
Popular in | January |
Cheapest in | July |
Average price | $320 |
Good round-trip deal | $255 or less |
Good one-way deal | $114 or less |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Thu 11/20
3:14 pm-5:57 pm
Nonstop1h 43m
Atlanta Hartsfield-Jackson
Mon 11/24
11:37 am-6:19 pm
1 stop7h 42m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Sat 11/15
4:33 pm-11:59 pm
1 stop6h 26m
Atlanta Hartsfield-Jackson
Sun 11/16
12:04 pm-9:40 am
1 stop22h 36m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Fri 12/5
10:42 am-1:27 pm
Nonstop1h 45m
Atlanta Hartsfield-Jackson
Sun 12/7
7:20 am-8:59 am
2 stops26h 39m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Fri 12/12
10:42 am-1:27 pm
Nonstop1h 45m
Atlanta Hartsfield-Jackson
Sun 12/14
7:59 pm-10:14 am
2 stops15h 15m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Tue 12/23
10:48 am-1:29 pm
Nonstop1h 41m
Atlanta Hartsfield-Jackson
Mon 1/5
10:50 pm-10:33 pm
1 stop24h 43m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Fri 1/30
5:55 pm-8:30 pm
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Mon 2/2
6:15 pm-7:00 pm
Nonstop1h 45m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Thu 12/11
3:30 pm-9:41 pm
1 stop5h 11m
Atlanta Hartsfield-Jackson
Mon 12/15
9:01 am-10:33 pm
2 stops14h 32m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Wed 12/17
5:00 pm-7:35 pm
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Wed 1/7
8:40 am-9:30 am
Nonstop1h 50m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Tue 12/16
5:45 am-2:00 pm
1 stop7h 15m
Atlanta Hartsfield-Jackson
Tue 1/6
12:00 pm-12:45 pm
Nonstop1h 45m
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Mon 12/8
10:47 am-1:32 pm
Nonstop1h 45m
Atlanta Hartsfield-Jackson
Mon 12/15
10:50 pm-10:33 pm
3 stops48h 43m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from St. Louis to Atlanta, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, July is the cheapest month in which you can book a flight from St. Louis to Atlanta (average of $89). Flying from St. Louis to Atlanta in May is currently the most expensive (average of $225). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from St. Louis to Atlanta in the evening. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their St. Louis to Atlanta flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$148 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$310 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$194 | Average$319 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$348 | FlexibilityNo cancel fee | On-time71% |