Atlanta

$33+ Cheap flights from St. Louis to Atlanta (STL - ATL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ATL
Apr 16 — Apr 231
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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

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Cheapflights Tip: The best prices from Lambert-St Louis to Atlanta Hartsfield-Jackson are usually found in January or July, booked 83 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from St. Louis to Atlanta

Cheapest flights from St. Louis to Atlanta
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 March 17, 2026.

This Super.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/711:21 am
STL
-
ATL
Nonstop1h 46m
Frontier
Thu 4/94:44 pm
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 3/13$78
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:13 pm
STL
-
ATL
Nonstop1h 46m
Frontier
Mon 5/116:00 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 3/13$79
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Sat 5/165:27 pm
STL
-
ATL
Nonstop1h 47m
Frontier
Mon 5/188:05 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 3/16$87
This Frontier deal was found by Cheapflights users on 3/16. 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.
Sat 5/28:23 pm
STL
-
ATL
Nonstop1h 46m
Frontier
Mon 5/46:00 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 3/16$88
This Frontier deal was found by Cheapflights users on 3/14. 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.
Thu 4/96:29 pm
STL
-
ATL
Nonstop1h 46m
Frontier
Thu 4/169:40 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 3/14$89
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 5/18:23 pm
STL
-
ATL
Nonstop1h 46m
Frontier
Mon 5/46:00 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 3/12$94
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 5/155:27 pm
STL
-
ATL
Nonstop1h 47m
Frontier
Wed 5/208:05 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 3/12$95
This Frontier deal was found by Cheapflights users on 3/13. 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.
Tue 5/196:33 pm
STL
-
ATL
Nonstop1h 50m
Frontier
Tue 6/24:43 pm
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 3/13$102

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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$78
(Super.com)

One-way from

$33
(Frontier)

Popular in

May

Cheapest in

January

Average price

$273

Good round-trip deal

$273 or less

Good one-way deal

$130 or less
Provider with most accurate pricing for Lambert-St Louis-Atlanta Hartsfield-Jackson flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Atlanta Hartsfield-Jackson flights.
From Lambert-St Louis to Atlanta Hartsfield-Jackson
One-way flight from Lambert-St Louis to Atlanta Hartsfield-Jackson
Highest demand for flights based on searches. 13% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Lambert-St Louis to Atlanta Hartsfield-Jackson.
Price to beat on a one-way flight from Lambert-St Louis to Atlanta Hartsfield-Jackson.

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 2,558,603 searches. Data last updated March 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

Price

Cheapest round-trip

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 5/6

8:30 am-3:40 pm

2 stops6h 10m

Atlanta Hartsfield-Jackson

Wed 5/13

7:15 pm-8:00 pm

Nonstop1h 45m

$192

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 4/18

5:10 pm-7:45 pm

Nonstop1h 35m

Atlanta Hartsfield-Jackson

Tue 4/21

2:30 pm-3:15 pm

Nonstop1h 45m

$197

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 4/16

4:30 pm-7:05 pm

Nonstop1h 35m

Atlanta Hartsfield-Jackson

Tue 4/21

7:15 pm-8:00 pm

Nonstop1h 45m

$197

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 4/4

8:25 am-5:45 pm

1 stop8h 20m

Atlanta Hartsfield-Jackson

Wed 4/8

7:15 pm-8:00 pm

Nonstop1h 45m

$207

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Fri 4/3

11:30 am-4:00 pm

1 stop3h 30m

Atlanta Hartsfield-Jackson

Thu 4/9

7:40 pm-12:15 am

1 stop5h 35m

$217

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 4/9

1:55 pm-9:00 pm

1 stop6h 05m

Atlanta Hartsfield-Jackson

Thu 4/16

8:45 pm-11:15 pm

1 stop3h 30m

$217

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Fri 4/17

2:15 pm-9:40 pm

2 stops6h 25m

Atlanta Hartsfield-Jackson

Tue 4/21

1:30 pm-5:15 pm

1 stop4h 45m

$222

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 4/16

5:40 am-1:35 pm

1 stop6h 55m

Atlanta Hartsfield-Jackson

Sat 4/18

12:30 pm-7:45 pm

2 stops8h 15m

$273

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sun 5/17

3:40 pm-11:40 pm

2 stops7h 00m

Atlanta Hartsfield-Jackson

Tue 5/19

6:20 am-12:50 pm

2 stops7h 30m

$314

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 5/20

7:45 am-1:35 pm

1 stop4h 50m

Atlanta Hartsfield-Jackson

Sun 6/7

11:29 am-3:46 pm

1 stop5h 17m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

How far ahead should I book a flight from St. Louis to Atlanta?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Atlanta. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from St. Louis to Atlanta, you should look to book at least 83 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, December is the cheapest month in which you can book a flight from St. Louis to Atlanta (average of $53). Flying from St. Louis to Atlanta in May is currently the most expensive (average of $129). 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 March 17, 2026.

It’s typically best to fly out from St. Louis to Atlanta at noon. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, 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 March 14, 2026.

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.

How much does it cost to fly round-trip from St. Louis to Atlanta?

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
Our travel experts
Chris Dong

Chris Dong

Expert on ATL

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Taryn White

Taryn White

Expert on STL

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

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 March 17, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines 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.

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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.
  • What airports serve Atlanta from St Louis?

    You can fly to Atlanta from St Louis Lambert International Airport (STL). The terminal handles both domestic and international flights, and it is served by major airlines, such as American Airlines, Delta, United Airlines, Southwest Air, Spirit, Air Canada, Frontier Airlines, and more. If you are looking for a flight from Belleville, Illinois, your best choice would be Scott AFB/ MidAmerica Airport (BLV), and Indianapolis International Airport (IND) for those coming from Indianapolis. Other airports around the St Louis area include, but certainly are not limited to, Memphis International Airport (MEM), Louisville International Airport (SDF), and more. The fastest way to get to St Louis Lambert International Airport (STL) in less than 20min is to drive yourself or take a taxi. If you have about half an hour to spare, you can take a bus.

  • Which airlines fly directly from St Louis to Atlanta?

    The nearest airport to Atlanta is Hartsfield-Jackson Atlanta Intl Airport (ATL). To get from St Louis Lambert International Airport (STL), it will take approximately 1h 30min, depending on the flight route and airline. That said, several airlines offer cheap flights to Atlanta from St Louis. They include American Airlines, United Airlines, Southwest Airlines, and Delta Air Lines. Delta Air Lines provides nonstop flights. A flight comparison site like Cheapflights.com is dedicated to bringing you the best and most affordable nonstop routes available. It works with numerous travel agents and airlines to give you a seamless travel experience. It’s as easy as entering your search details to compare your options then booking your trip with one of Cheapflight’s partner sites.

  • What are the layover options between St Louis and Atlanta?

    A flight to Atlanta from St Louis is brief, but that doesn’t mean that there are no layovers for those who don’t mind spending less to reach their destination. Your possible layover options from St Louis Lambert International Airport (STL) to Hartsfield-Jackson Atlanta Intl Airport include Charlotte Douglas International Airport (CLT), O Hare International Airport in Chicago, Denver International Airport, and Dallas International Airport (DFW). Before you fly to Atlanta from St Louis, log in to Cheapflights.com to confirm whether your flight plan involves an extended layover, so that you can pack and plan accordingly. You should also consult with the airport attendants to see if leaving the airport during a layover is a viable option.

  • Do I need a passport or visa to fly from St Louis to Atlanta?

    No, you don’t need a visa because it is considered domestic travel. You will, however, need to provide a valid, government-issued identification document, such as a driver’s license, a valid U.S. passport, or military ID while traveling within the United States. You may also be asked to present these same documents to verify your identity when checking into a hotel. Therefore, ensure they are all updated before traveling.

  • What airports do I use to fly from St. Louis to Atlanta?

    Booking a flight from Lambert-St Louis (STL) to Atlanta Hartsfield-Jackson (ATL) is your only option if you wish to fly from St. Louis to Atlanta. On a typical day, there are 31 flights from Lambert-St Louis to Hartsfield-Jackson, all of which are around 1h 33m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Lambert-St Louis to Atlanta.

  • How popular is this St. Louis to Atlanta flight route?

  • How long is the flight from St. Louis to Atlanta?

    For as low as $192, Southwest can have you in Atlanta from St. Louis in 6h 10m. The distance between St. Louis and Atlanta is about 484 mi.

  • What are the cheapest airlines flying from St. Louis to Atlanta round-trip?

    Flying on Frontier is currently your cheapest option to Atlanta, with prices starting at $58. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $157 and $184, respectively. Users have found that Frontier is 76% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Atlanta one-way?

    The cheapest airlines for a one-way flight from St. Louis to Atlanta are Frontier ($31), Southwest ($89), and Delta ($89).

  • What are the most reliable airlines from St. Louis to Atlanta?

    Before booking your flight to Atlanta from St. Louis, check out the most reliable airlines to get you to your destination on time: Air France (93%), LATAM Airlines (91%), WestJet( 90%).

  • What are the cheapest flights from St. Louis to Atlanta?

    Looking for the cheapest flight from St. Louis to Atlanta? While on average our users pay $521, our data indicates the cheapest price to be $79. The most popular route (Lambert-St Louis - Atlanta Hartsfield-Jackson), is priced around $141.

  • Can I find deals for flights from St. Louis to Atlanta that include hotel bookings?

    Yes. In addition to deals on St. Louis to Atlanta flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Atlanta?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Atlanta.

  • Can I find deals for business class flights from St. Louis to Atlanta?

    Yes. Cheapflights offers flight deals from St. Louis to Atlanta by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Atlanta?

    Currently, December is the cheapest month in which you can book a flight from St. Louis to Atlanta (average of $53). Flying from St. Louis to Atlanta in May is currently the most expensive (average of $129). 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.

See more FAQs

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
College Park
Duluth
Sandy Springs
McDonough
Norcross
Roswell
Marietta
Lawrenceville
Lithia Springs
Peachtree Corners
Gainesville
Auburn
Conyers
Lithonia
Covington
Kennesaw
Smyrna
Commerce
Douglasville
Dunwoody

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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 2,558,603 searches. Data last updated March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$136FlexibilityNo cancel feeOn-time62%
DeltaCheapest$157Average$296FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$184Average$298FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$206Average$294FlexibilityNo cancel feeOn-time71%

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