$19+ Cheap flights from St. Louis to Atlanta (STL - ATL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ATL
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Atlanta with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Atlanta Hartsfield-Jackson are usually found in August or June, booked 86 days in advance, depart on a Thursday or Friday and return on a Saturday
Cheap flight deals from St. Louis to Atlanta
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to AtlantaExplore the most affordable flight options available from St. Louis to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from St. Louis to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
Nonstop1h 59m
Fri 10/234:51 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
Nonstop1h 45m
Fri 11/64:47 pm -
Nonstop1h 53m
Deal found 9/13![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:35 pm -
Nonstop1h 59m
Fri 10/234:51 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm -
Nonstop1h 59m
Fri 11/64:47 pm -
Nonstop1h 53m
Deal found 9/13![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
Nonstop1h 59m
Fri 10/234:51 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$66
This Super.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
Nonstop1h 59m
Mon 10/124:51 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
Nonstop1h 59m
Wed 10/284:47 pm -
Nonstop1h 53m
Deal found 9/12![Frontier logo]()
$70
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
Nonstop1h 41m
Wed 10/144:51 pm -
Nonstop1h 49m
Deal found 9/11![Frontier logo]()
$73
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
Nonstop1h 41m
Mon 10/512:25 pm -
Nonstop1h 45m
Deal found 9/14![Frontier logo]()
$81
Best flights from St. Louis to AtlantaDiscover carefully curated flight deals from St. Louis to Atlanta that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from St. Louis to Atlanta that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 pm -
Nonstop1h 40m
Wed 10/217:20 pm -
Nonstop1h 40m
Deal found 9/13![Southwest logo]()
$117
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:35 pm -
Nonstop1h 39m
Sat 10/3110:05 am -
Nonstop1h 46m
Deal found 9/12![Delta logo]()
$127
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:17 pm -
1 stop15h 43m
Wed 10/144:51 pm -
Nonstop1h 49m
Deal found 9/11![Frontier logo]()
$137
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:00 pm -
Nonstop1h 35m
Sun 11/111:11 pm -
Nonstop1h 43m
Deal found 9/13![Delta logo]()
$127
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:20 pm -
Nonstop1h 30m
Thu 10/87:05 am -
Nonstop1h 40m
Deal found 9/15![Southwest logo]()
$136
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:20 pm -
Nonstop1h 40m
Tue 10/135:33 pm -
Nonstop1h 42m
Deal found 9/12![Delta logo]()
$127
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:25 pm -
Nonstop1h 35m
Mon 11/911:10 pm -
Nonstop1h 46m
Deal found 9/11![Delta logo]()
$127
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:00 am -
Nonstop1h 32m
Mon 11/1611:10 pm -
Nonstop1h 46m
Deal found 9/15![Delta logo]()
$127
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:14 am -
Nonstop1h 35m
Thu 11/58:35 am -
Nonstop1h 42m
Deal found 9/13![Delta logo]()
$127
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:30 pm -
Nonstop1h 40m
Mon 11/1611:10 pm -
Nonstop1h 46m
Deal found 9/14![Delta logo]()
$137
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:36 pm -
Nonstop1h 36m
Sun 12/1311:20 pm -
Nonstop1h 45m
Deal found 9/12![Delta logo]()
$137
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:31 pm -
Nonstop1h 34m
Sun 11/158:07 am -
Nonstop1h 48m
Deal found 9/12![Delta logo]()
$137
Last-minute flights from St. Louis to AtlantaDiscover last-minute flight deals from St. Louis to Atlanta. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Atlanta. Data last updated September 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
Nonstop1h 41m
Wed 10/144:51 pm -
Nonstop1h 49m
Deal found 9/11![Frontier logo]()
$73
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
Nonstop1h 41m
Mon 10/512:25 pm -
Nonstop1h 45m
Deal found 9/14![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
Nonstop1h 59m
Mon 10/124:51 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:35 pm -
Nonstop1h 59m
Fri 10/234:51 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
Nonstop1h 59m
Fri 10/234:51 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$58
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
Nonstop1h 59m
Fri 10/234:51 pm -
Nonstop1h 49m
Deal found 9/13![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
Nonstop1h 59m
Wed 10/284:47 pm -
Nonstop1h 53m
Deal found 9/12![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm -
Nonstop1h 59m
Fri 11/64:47 pm -
Nonstop1h 53m
Deal found 9/13![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
Nonstop1h 45m
Fri 11/64:47 pm -
Nonstop1h 53m
Deal found 9/13![Frontier logo]()
$59
One-way flights from St. Louis to AtlantaSearch for one-way flight options from St. Louis to Atlanta. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from St. Louis to Atlanta. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Super.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
Nonstop1h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$19
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
Nonstop1h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$24
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:35 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$28
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
Nonstop1h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$29
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:02 pm -
Nonstop1h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$30
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:44 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$33
This CheapOair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:29 pm -
Nonstop1h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$35
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:35 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$40
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:59 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$41
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
Nonstop1h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$43
This Super.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:35 pm -
Nonstop1h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$44
Find flight deals from St. Louis to Atlanta
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Atlanta (ATL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $58 (Kiwi.com) |
One-way from | $19 (Super.com) |
Popular in | February |
Cheapest in | August |
Average price | $199 |
Good round-trip deal | $275 or less |
Good one-way deal | $159 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Atlanta that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from St. Louis to Atlanta that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Sat 11/7
5:10 pm-7:45 pm
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$55
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Sat 12/12
11:00 am-1:37 pm
Nonstop1h 37m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$59
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Tue 11/10
7:18 pm-9:59 pm
Nonstop1h 41m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$59
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Tue 12/15
7:03 am-9:43 am
Nonstop1h 40m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$59
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Sat 10/10
7:00 am-9:36 am
Nonstop1h 36m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$59
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Sun 10/18
6:00 am-8:38 am
Nonstop1h 38m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Sun 12/13
7:03 am-9:43 am
Nonstop1h 40m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
Quickest round-trip
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Thu 11/12
2:31 pm-5:05 pm
Nonstop1h 34m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Fri 11/6
5:38 pm-8:17 pm
Nonstop1h 39m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Fri 10/23
4:50 pm-11:55 pm
1 stop6h 05m
Atlanta Hartsfield-Jackson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$73
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Atlanta
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Atlanta in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Atlanta flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Atlanta flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Atlanta flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Atlanta flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Atlanta flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Atlanta
Have a flexible travel schedule? Discover the best time to fly to Atlanta from St. Louis with our price prediction graph.
STL-ATL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Atlanta
Prices
Airlines
How far ahead should I book a flight from St. Louis to Atlanta?
To ensure you get the cheapest price possible for a flight from St. Louis to Atlanta, you should look to book at least 90 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.
What is the cheapest month to book a flight from St. Louis to Atlanta?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Atlanta (average of $169). Flying from St. Louis to Atlanta in February is currently the most expensive (average of $255). 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.
What is the cheapest time of day to fly from STL to ATL?
Find hourly flight availability from St. Louis to Atlanta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
It’s typically best to fly out from St. Louis to Atlanta in the afternoon. Doing so could potentially save you 41% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from St. Louis to Atlanta?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Atlanta. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their St. Louis to Atlanta flight should consider departing on Thursday afternoons 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.
The best insider tips for St. Louis to Atlanta flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Atlanta trip
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Reviews of airlines servicing Atlanta
Get insights into the airlines that provide service to Atlanta. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Atlanta. Reviews last updated September 17, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andJetBlue from St. Louis to Atlanta by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Atlanta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Atlanta?
Book flights to Atlanta if you plan to visit one of these locationsCollege Park
Sandy Springs
Duluth
Stockbridge
Lawrenceville
Auburn
Lithia Springs
Dalton
Marietta
Norcross
Gainesville
Conyers
Canton
Stone Mountain
McDonough
Covington
Roswell
East Point
Peachtree Corners
Woodstock
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Top 4 airlines flying from St. Louis to Atlanta
Discover the top 4 airlines that operate flights from St. Louis to Atlanta. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$46 | Average$143 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$382 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$109 | Average$269 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$311 | FlexibilityNo cancel fee | On-time63% |