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$59+ Cheap flights from Atlanta to St. Louis (ATL - STL)

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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — STL
avr. 16 — avr. 231
mer. 4/16
mer. 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Lambert-St Louis are usually found in August or October, booked 89 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap 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 avril 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$215
(Booking.com)

One-way from

$59
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$311

Good round-trip deal

$246 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Lambert-St Louis flights.
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From Atlanta Hartsfield-Jackson to Lambert-St Louis
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One-way flight from Atlanta Hartsfield-Jackson to Lambert-St Louis
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Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Lambert-St Louis.
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Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Lambert-St Louis.
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Find flight deals from Atlanta to St. Louis

Cheapest flights from Atlanta to St. Louis
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 avril 11, 2025.

This Booking.com deal was found by Cheapflights users on 4/10. 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.
mer. 5/287:16 pmATL - STL
1 stop14h 59mMultiple Airlines
sam. 5/317:55 pmSTL - ATL
1 stop9h 15mMultiple Airlines
Deal found 4/10$215
This Delta deal was found by Cheapflights users on 4/11. 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.
jeu. 7/311:10 pmATL - STL
Nonstop1h 41mDelta
lun. 7/77:20 amSTL - ATL
Nonstop1h 41mDelta
Deal found 4/11$217
This Booking.com deal was found by Cheapflights users on 4/10. 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.
jeu. 7/1010:23 pmATL - STL
1 stop10h 26mSpirit Airlines
dim. 7/138:44 amSTL - ATL
1 stop7h 07mSpirit Airlines
Deal found 4/10$219
This Frontier deal was found by Cheapflights users on 4/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/172:27 pmATL - STL
1 stop10h 19mFrontier
sam. 4/196:51 pmSTL - ATL
1 stop9h 09mFrontier
Deal found 4/11$222
This American Airlines deal was found by Cheapflights users on 4/10. 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.
mer. 5/212:15 pmATL - STL
1 stop6h 14mAmerican Airlines
dim. 5/256:00 amSTL - ATL
1 stop5h 49mAmerican Airlines
Deal found 4/10$223
This Southwest deal was found by Cheapflights users on 4/10. 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.
ven. 7/258:55 pmATL - STL
Nonstop1h 45mSouthwest
mar. 7/295:25 amSTL - ATL
1 stop5h 30mSouthwest
Deal found 4/10$236
This United deal was found by Cheapflights users on 4/10. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/285:30 amATL - STL
2 stops11h 14mUnited Airlines
dim. 8/319:17 amSTL - ATL
1 stop6h 41mUnited Airlines
Deal found 4/10$386

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 2,558,603 searches. Data last updated avril 11, 2025.
Use the filters below to find and compare flights from Atlanta to St. Louis that are best for you.

Fly from

Atlanta

Fly to

St. Louis

Route

Depart

Return

Price

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

mer. 5/28

7:16 pm-9:15 am

1 stop14h 59m

Lambert-St Louis

sam. 5/31

7:55 pm-6:10 am

1 stop9h 15m

$215

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

jeu. 7/3

11:10 pm-11:51 pm

Nonstop1h 41m

Lambert-St Louis

lun. 7/7

7:20 am-10:01 am

Nonstop1h 41m

$217

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

jeu. 7/10

10:23 pm-7:49 am

1 stop10h 26m

Lambert-St Louis

dim. 7/13

8:44 am-4:51 pm

1 stop7h 07m

$219

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

lun. 4/21

12:47 pm-11:46 pm

1 stop11h 59m

Lambert-St Louis

mer. 4/23

6:58 pm-5:21 am

1 stop9h 23m

$222

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

mer. 5/21

2:15 pm-7:29 pm

1 stop6h 14m

Lambert-St Louis

dim. 5/25

6:00 am-12:49 pm

1 stop5h 49m

$223

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

ven. 7/25

8:55 pm-9:40 pm

Nonstop1h 45m

Lambert-St Louis

mar. 7/29

5:25 am-11:55 am

1 stop5h 30m

$236

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

jeu. 8/28

5:30 am-3:44 pm

2 stops11h 14m

Lambert-St Louis

dim. 8/31

9:17 am-4:58 pm

1 stop6h 41m

$386

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

lun. 5/26

7:19 pm-2:07 pm

1 stop19h 48m

Lambert-St Louis

lun. 6/2

6:22 pm-6:16 pm

2 stops22h 54m

$668

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

sam. 6/14

1:10 pm-2:07 pm

Nonstop1h 57m

$59

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

mer. 8/20

10:23 pm-7:49 am

1 stop10h 26m

$61

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 16 results
1
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
FareScanPrice 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 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.

The best insider tips for Atlanta to St. Louis 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 Atlanta to St. Louis trip
Airports
ATL

For a quicker security check, try the South security area, often faster than the main one.

Read more about ATLby Chris Dong
STL

Use the MetroLink light rail for a convenient, economical ride from STL to downtown St. Louis.

Read more about STLby Taryn White
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 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.
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

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

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to St. Louis. Price data was last updated on April 4, 2025.

Booking 89 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, August is the cheapest month in which you can book a flight from Atlanta to St. Louis (average of $311). Flying from Atlanta to St. Louis in March is currently the most expensive (average of $356). 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 avril 11, 2025.

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 morning tend to be the most expensive. A flight at noon could potentially save you up to 5% 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 March 30, 2025.

Travelers seeking maximum savings on their Atlanta to St. Louis flight should consider departing on Thursday at noon 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 Atlanta to St. Louis

Explore weekly flight availability from Atlanta to St. Louis. 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 avril 11, 2025.

The most flights from ATL to STL are scheduled on a Thursday (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 32.0 F).

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 avril 11, 2025.
To help decide which airline to fly from Atlanta to St. Louis, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,910 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    If you book a flight from Atlanta to St. Louis, you will be flying from Hartsfield-Jackson to Lambert-St Louis. Flights to Lambert-St Louis (STL) from Atlanta Hartsfield-Jackson (ATL) take 1h 38m for a nonstop flight. There are 19 flights from Hartsfield-Jackson to St. Louis per day from 5 airlines.

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

    This flight path from Atlanta Hartsfield-Jackson to Lambert-St Louis was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $217, Delta will fly you from Atlanta to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Frontier - these airlines can fly you to your destination from $219 and $222, respectively. Users have found that Delta is 30% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $59. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Atlanta to St. Louis for a low price.

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

    No one likes to see their flight delayed. When booking a flight from Atlanta to St. Louis consider choosing Delta (83%), Southwest (82%) or Aeromexico (80%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Atlanta to St. Louis is $68. On average you can expect to pay $342. The most popular route, (Atlanta Hartsfield-Jackson - Lambert-St Louis), can usually be booked for $135.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Atlanta to St. Louis 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 Atlanta to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Atlanta to St. Louis (average of $311). Flying from Atlanta to St. Louis in March is currently the most expensive (average of $356). 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
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
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Chesterfield

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Alternative routes for Atlanta to St. Louis

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Top 5 airlines flying from Atlanta to St. Louis

Discover the top 5 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 2,558,603 searches. Data last updated avril 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$167FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$185Average$398FlexibilityNo cancel feeOn-time71%
Southern / MokuleleCheapest$186Average$219FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$234Average$325FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$246Average$323FlexibilityNo cancel feeOn-time63%

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