Atlanta

$38+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ATL
May 20 — May 271
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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”

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Cheapflights Tip: The best prices from Lambert-St Louis to Atlanta Hartsfield-Jackson are usually found in April or June, booked 56 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 May 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$195
(Frontier)

One-way from

$38
(Cheapflightsfares)

Popular in

January

Cheapest in

April

Average price

$311

Good round-trip deal

$318 or less

Good one-way deal

$170 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. 5% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in May 2025
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.

Find 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 May 15, 2025.

This Frontier deal was found by Cheapflights users on 5/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:52 pmSTL - ATL
1 stop9h 10mFrontier
Mon 10/68:54 amATL - STL
1 stop5h 23mFrontier
Deal found 5/15$195
This Delta deal was found by Cheapflights users on 5/15. 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.
Mon 6/167:00 amSTL - ATL
Nonstop1h 37mDelta
Tue 6/176:00 pmATL - STL
Nonstop1h 44mDelta
Deal found 5/15$197
This Mytrip deal was found by Cheapflights users on 5/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1112:15 pmSTL - ATL
2 stops24h 27mMultiple Airlines
Sat 6/149:45 pmATL - STL
1 stop20h 19mMultiple Airlines
Deal found 5/14$203
This Mytrip deal was found by Cheapflights users on 5/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/167:13 pmSTL - ATL
2 stops28h 11mSpirit Airlines
Wed 6/185:20 amATL - STL
3 stops36h 44mSpirit Airlines
Deal found 5/14$205
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:30 amSTL - ATL
1 stop6h 54mAmerican Airlines
Mon 7/284:55 pmATL - STL
1 stop5h 24mAmerican Airlines
Deal found 5/14$211
This Southwest deal was found by Cheapflights users on 5/15. 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.
Mon 6/167:10 pmSTL - ATL
Nonstop1h 35mSouthwest
Tue 6/176:10 amATL - STL
1 stop4h 50mSouthwest
Deal found 5/15$236

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 May 15, 2025.
Use the filters below to find and compare flights from St. Louis to Atlanta that are best for you.

Fly from

St. Louis

Fly to

Atlanta

Route

Depart

Return

Price

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 10/1

7:52 pm-6:02 am

1 stop9h 10m

Atlanta Hartsfield-Jackson

Mon 10/6

8:54 am-1:17 pm

1 stop5h 23m

$195

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 6/16

7:00 am-9:37 am

Nonstop1h 37m

Atlanta Hartsfield-Jackson

Tue 6/17

6:00 pm-6:44 pm

Nonstop1h 44m

$197

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 6/11

12:15 pm-1:42 pm

2 stops24h 27m

Atlanta Hartsfield-Jackson

Sat 6/14

9:45 pm-5:04 pm

1 stop20h 19m

$203

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 6/16

7:13 pm-12:24 am

2 stops28h 11m

Atlanta Hartsfield-Jackson

Wed 6/18

5:20 am-5:04 pm

3 stops36h 44m

$205

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 7/28

7:30 am-3:24 pm

1 stop6h 54m

Atlanta Hartsfield-Jackson

Mon 7/28

4:55 pm-9:19 pm

1 stop5h 24m

$211

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 6/16

7:10 pm-9:45 pm

Nonstop1h 35m

Atlanta Hartsfield-Jackson

Tue 6/17

6:10 am-10:00 am

1 stop4h 50m

$236

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 5/28

9:50 am-12:04 am

2 stops13h 14m

Atlanta Hartsfield-Jackson

Mon 6/16

6:50 pm-10:45 pm

1 stop4h 55m

$444

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 8/23

12:19 pm-2:59 pm

Nonstop1h 40m

$38

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 6/12

6:36 pm-12:17 am

1 stop4h 41m

$54

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Tue 7/1

4:35 pm-7:10 pm

Nonstop1h 35m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 14 results
1
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on St. Louis-Atlanta flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

The best insider tips for St. Louis to Atlanta flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Atlanta trip
Airports
STL

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

Read more about STLby Taryn White
ATL

Use MARTA for a quick 15-20 minute ride from ATL to downtown Atlanta, located inside the domestic terminal.

Read more about ATLby Chris Dong
Our travel experts
Chris Dong

Chris Dong

Expert on ATL

Chris Dong

Chris Dong

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.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

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.

Read more

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 May 9, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Atlanta, you should look to book at least 56 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 $190). Flying from St. Louis to Atlanta in June is currently the most expensive (average of $247). 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 May 15, 2025.

It’s typically best to fly out from St. Louis to Atlanta in the evening. Doing so could potentially save you 36% 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 May 11, 2025.

Travelers seeking maximum savings on their St. Louis to Atlanta flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Atlanta

Explore weekly flight availability from St. Louis to Atlanta. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 15, 2025.

The most flights from STL to ATL are scheduled on a Monday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

Rainfall in Atlanta by month

Plan your trip to Atlanta by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Atlanta ranges from 3.4 - 5.3 inches per month. July is typically the wettest month, when rainfall can reach 5.3 in. April is typically the driest time to visit Atlanta when rainfall is around 3.4 in.

Temperature in Atlanta by month

Plan your trip to Atlanta by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Atlanta, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 May 15, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from St. Louis to Atlanta to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
8.0
Very good

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 40 flights from Lambert-St Louis to Hartsfield-Jackson, all of which are around 1h 30m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Lambert-St Louis to Atlanta.

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

  • 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 $195. Additional round-trip tickets that might be worth considering are offered by Delta and Spirit Airlines, with the lowest prices starting at $197 and $205, respectively. Users have found that Frontier is 39% 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 ($38), Spirit Airlines ($54), and Southwest ($90).

  • 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: WestJet (93%), Korean Air (90%), KLM( 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 $664, our data indicates the cheapest price to be $125. The most popular route (Lambert-St Louis - Atlanta Hartsfield-Jackson), is priced around $119.

  • 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, August is the cheapest month in which you can book a flight from St. Louis to Atlanta (average of $190). Flying from St. Louis to Atlanta in June is currently the most expensive (average of $247). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Duluth
College Park
McDonough
Auburn
Opelika
Marietta
Stone Mountain
Norcross
Morrow
Sandy Springs
Conyers
Lithonia
Acworth
Buford
Athens
Smyrna
Stockbridge
Lawrenceville
Douglasville
Kennesaw

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Top 5 airlines flying from St. Louis to Atlanta

Discover the top 5 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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$171FlexibilityNo cancel feeOn-time62%
Southern / MokuleleCheapest$189Average$226FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$230Average$339FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$237Average$316FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$284Average$446FlexibilityNo cancel feeOn-time71%

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