$18+ Cheap flights from Atlanta to St. Louis (ATL - STL)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — STL
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to St. Louis 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 Atlanta Hartsfield-Jackson to Lambert-St Louis are usually found in September or June, booked 79 days in advance, depart on a Saturday or Friday and return on a Thursday
Cheap flight deals from Atlanta to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Atlanta to St. LouisExplore the most affordable flight options available from Atlanta to St. Louis. 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 Atlanta to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:25 pm -
Nonstop1h 45m
Mon 10/126:35 pm -
Nonstop1h 59m
Deal found 9/13![Frontier logo]()
$62
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:25 pm -
Nonstop1h 45m
Mon 10/52:29 pm -
Nonstop1h 41m
Deal found 9/12![Frontier logo]()
$63
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:51 pm -
Nonstop1h 49m
Mon 10/266:35 pm -
Nonstop1h 59m
Deal found 9/14![Frontier logo]()
$64
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:47 pm -
Nonstop1h 53m
Wed 11/186:44 pm -
Nonstop1h 45m
Deal found 9/16![Frontier logo]()
$66
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:51 pm -
Nonstop1h 49m
Fri 10/166:35 pm -
Nonstop1h 59m
Deal found 9/16![Frontier logo]()
$67
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 10/94:51 pm -
Nonstop1h 49m
Mon 10/126:35 pm -
Nonstop1h 59m
Deal found 9/15![Frontier logo]()
$68
Best flights from Atlanta to St. LouisDiscover carefully curated flight deals from Atlanta to St. Louis 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 Atlanta to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
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.
Tue 11/1011:10 pm -
Nonstop1h 46m
Wed 11/187:05 am -
Nonstop1h 37m
Deal found 9/12![Delta logo]()
$117
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 pm -
1 stop4h 20m
Sat 11/75:10 pm -
Nonstop1h 35m
Deal found 9/14![Southwest logo]()
$127
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 10/2312:40 pm -
Nonstop1h 40m
Sun 10/257:20 pm -
Nonstop1h 40m
Deal found 9/12![Delta logo]()
$137
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.
Wed 10/76:45 am -
Nonstop1h 40m
Wed 10/142:10 pm -
1 stop5h 40m
Deal found 9/15![Southwest logo]()
$145
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 10/1511:11 pm -
Nonstop1h 43m
Fri 10/167:28 pm -
Nonstop1h 40m
Deal found 9/14![Delta logo]()
$137
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.
Wed 11/45:35 pm -
1 stop5h 40m
Thu 11/510:15 am -
1 stop5h 30m
Deal found 9/15![Southwest logo]()
$146
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.
Fri 10/97:05 am -
Nonstop1h 40m
Fri 10/165:40 pm -
1 stop4h 45m
Deal found 9/13![Southwest logo]()
$154
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:25 am -
Nonstop1h 44m
Sun 10/116:00 am -
Nonstop1h 38m
Deal found 9/16![Delta logo]()
$177
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 pm -
1 stop6h 15m
Sun 10/255:55 am -
Nonstop1h 30m
Deal found 9/16![Southwest logo]()
$162
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.
Sun 11/227:00 am -
Nonstop1h 40m
Tue 12/295:05 am -
1 stop6h 30m
Deal found 9/15![Southwest logo]()
$207
Last-minute flights from Atlanta to St. LouisDiscover last-minute flight deals from Atlanta to St. Louis. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to St. Louis. Data last updated September 17, 2026 and is based on user searches.
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:25 pm -
Nonstop1h 45m
Mon 10/52:29 pm -
Nonstop1h 41m
Deal found 9/12![Frontier logo]()
$75
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:25 pm -
Nonstop1h 45m
Mon 10/126:35 pm -
Nonstop1h 59m
Deal found 9/13![Frontier logo]()
$62
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:51 pm -
Nonstop1h 49m
Fri 10/166:35 pm -
Nonstop1h 59m
Deal found 9/16![Frontier logo]()
$67
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 10/94:51 pm -
Nonstop1h 49m
Mon 10/126:35 pm -
Nonstop1h 59m
Deal found 9/15![Frontier logo]()
$68
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:51 pm -
Nonstop1h 49m
Mon 10/266:35 pm -
Nonstop1h 59m
Deal found 9/14![Frontier logo]()
$64
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:51 pm -
Nonstop1h 49m
Fri 10/306:44 pm -
Nonstop1h 45m
Deal found 9/14![Frontier logo]()
$66
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:47 pm -
Nonstop1h 53m
Fri 11/66:44 pm -
Nonstop1h 45m
Deal found 9/15![Frontier logo]()
$91
One-way flights from Atlanta to St. LouisSearch for one-way flight options from Atlanta to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Atlanta to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:47 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$18
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.
Wed 10/214:51 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$19
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 11/24:47 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$24
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:15 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$25
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.
Wed 10/144:51 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![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 10/234:51 pm -
Nonstop1h 49m
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.
Mon 12/1410:19 am -
Nonstop1h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$33
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 10/94:51 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$37
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:47 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$40
Find flight deals from Atlanta to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to St. Louis (STL). 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 | $62 (eDestinos) |
One-way from | $18 (Kiwi.com) |
Popular in | May |
Cheapest in | September |
Average price | $148 |
Good round-trip deal | $137 or less |
Good one-way deal | $115 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Atlanta to St. Louis 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 Atlanta to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Sat 11/14
9:00 am-9:50 am
Nonstop1h 50m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$55
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Sat 12/12
7:25 pm-8:09 pm
Nonstop1h 44m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Tue 11/10
10:30 am-11:15 am
Nonstop1h 45m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Tue 10/13
8:25 am-9:09 am
Nonstop1h 44m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Sat 11/14
8:59 am-9:45 am
Nonstop1h 46m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Tue 11/17
10:30 am-11:15 am
Nonstop1h 45m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
Quickest round-trip
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 11/5
7:00 am-7:40 am
Nonstop1h 40m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$64
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 11/12
1:25 pm-2:05 pm
Nonstop1h 40m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Mon 10/26
11:11 pm-11:54 pm
Nonstop1h 43m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 11/12
10:30 am-11:15 am
Nonstop1h 45m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Atlanta to St. Louis
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 Atlanta to St. Louis in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Atlanta-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Atlanta-St. Louis 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 Atlanta-St. Louis 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 Atlanta to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Atlanta with our price prediction graph.
ATL-STL
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 Atlanta to St. Louis
Prices
Airlines
How far ahead should I book a flight from Atlanta to St. Louis?
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Atlanta to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Atlanta to St. Louis (average of $148). Flying from Atlanta to St. Louis in May is currently the most expensive (average of $263). 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 ATL to STL?
Find hourly flight availability from Atlanta to St. Louis. 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.
One of the essential ways to save on airfare from Atlanta to St. Louis is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.
What is the cheapest day to fly from Atlanta to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Atlanta to St. Louis. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Atlanta to St. Louis flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Atlanta to St. Louis 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 Atlanta to St. Louis trip
Our travel experts
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated September 17, 2026.
Read through reviews of airlines operating flights from Atlanta to St. Louis, such as Southwest,Delta, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Atlanta to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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Atlanta and St. Louis flights
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Top 3 airlines flying from Atlanta to St. Louis
Discover the top 3 airlines that operate flights from Atlanta to St. Louis. 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$142 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$116 | Average$233 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$327 | FlexibilityNo cancel fee | On-time63% |