STL - ATL

$19 Find Cheap Flights from St. Louis to Atlanta

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Atlanta departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Atlanta

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Atlanta, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Atlanta, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$113
Overall average: $398
Frontier
Thu 1/8Sun 1/11
STL - ATL • Non-stop
Cheapest non-stop
$113
Typical prices: $293-$477
Frontier
Fri 2/20Sun 2/22
STL - ATL • Non-stop
Our travelers' advice
AI-generated summary based on content written by travel experts
Delta's SkyMiles members enjoy free Wi-Fi on flights.
Use MARTA to avoid Atlanta's traffic from the airport.
Expert advice
Expert advice
Expert advice
Expert advice
Video guide: How to find cheap flights to Atlanta
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Top airlines
Frontier
Cheapest • from $113 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
July
Cheapest • 28% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Atlanta!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from St. Louis to Atlanta (STL-ATL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Atlanta that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Atlanta

Thu, Jan 8 - Sun, Jan 11
Frontier Logo
10:42 am - 1:27 pmSTL-ATL
1h 45mnonstop
Frontier Logo
3:45 pm - 10:33 pmATL-STL
7h 48m1 stop
$113Frontier
Find Deal
Mon, Dec 15 - Wed, Dec 17
Frontier Logo
10:47 am - 1:32 pmSTL-ATL
1h 45mnonstop
Frontier Logo
4:40 pm - 10:33 pmATL-STL
6h 53m1 stop
$114Frontier
Find Deal
Thu, Nov 27 - Thu, Dec 4
Frontier Logo
3:14 pm - 5:57 pmSTL-ATL
1h 43mnonstop
Frontier Logo
10:15 am - 11:07 amATL-STL
1h 52mnonstop
$118Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
Frontier Logo
2:12 pm - 9:33 pmSTL-ATL
6h 21m1 stop
Frontier Logo
9:25 am - 10:12 amATL-STL
1h 47mnonstop
$125Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
3:30 pm - 1:43 pmSTL-ATL
21h 13m1 stop
Frontier Logo
8:55 am - 9:47 amATL-STL
1h 52mnonstop
$127Frontier
Find Deal
Thu, Dec 4 - Thu, Dec 11
Frontier Logo
3:30 pm - 9:41 pmSTL-ATL
5h 11m1 stop
Frontier Logo
3:45 pm - 10:33 pmATL-STL
7h 48m1 stop
$130Frontier
Find Deal
Thu, Nov 27 - Thu, Dec 4
Multiple Airlines Logo
10:53 am - 12:07 amSTL-ATL
12h 14m1 stop
Multiple Airlines Logo
10:15 am - 11:07 amATL-STL
1h 52mnonstop
$133Multiple Airlines
Find Deal
Tue, Dec 23 - Sun, Dec 28
Multiple Airlines Logo
11:51 am - 7:48 amSTL-ATL
18h 57m1 stop
Multiple Airlines Logo
8:55 am - 9:40 amATL-STL
1h 45mnonstop
$144Multiple Airlines
Find Deal
Thu, Jan 8 - Sun, Jan 11
Spirit Airlines Logo
12:20 pm - 12:35 amSTL-ATL
11h 15m1 stop
Spirit Airlines Logo
5:47 am - 11:01 amATL-STL
6h 14m1 stop
$178Spirit Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 11
Southwest Logo
1:20 pm - 3:50 pmSTL-ATL
1h 30mnonstop
Southwest Logo
8:45 am - 9:35 amATL-STL
1h 50mnonstop
$192Southwest
Find Deal
Booking Insights

KAYAK's insights & trends for St. Louis to Atlanta flights

Get data-powered insights and trends into flights from St. Louis to Atlanta to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to Atlanta
Find cheap flights to Atlanta

Planning a trip from St. Louis to Atlanta? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from St. Louis to Atlanta?

The average price of all round-trip flights from St. Louis to Atlanta clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from St. Louis to Atlanta, look for departures on Thursdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Atlanta, Thursday is the cheapest day to fly and Monday is the most expensive.

What is the cheapest month to fly from St. Louis to Atlanta?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Atlanta, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Atlanta is July, where tickets cost $207 (return) on average. On the other hand, the most expensive months are January and March, where the average cost of round-trip tickets is $398 and $332 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Atlanta, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Atlanta, you should book around 4 weeks before departure, which saves you about 46% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Expert advice

Expert advice for your flight from St. Louis to Atlanta

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-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.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
LATAM Airlines

LATAM's in-flight entertainment offers an 18” touchscreen and noise-canceling headphones for a better experience.


LATAM's Wi-Fi is available on narrowbody flights in Brazil, Colombia, and some in Chile.

Delta

Delta's SkyMiles members enjoy free Wi-Fi on domestic flights, enhancing connectivity.


Delta offers free snacks in every cabin on all flights, ensuring a pleasant journey.

Read more about Deltaby Stefanie Waldek
Southwest

Southwest's Rapid Rewards offers unlimited rewards seats and no blackout dates, simplifying travel planning.


Southwest's free carry-on policy remains, allowing one carry-on and a personal item per passenger.

Read more about Southwestby Blane Bachelor
Airports
STL

Avoid peak travel times at STL to minimize wait times at security and baggage claim, especially in Terminal 2.

Read more about STLby Yulia Denisyuk
ATL

Use MARTA to avoid Atlanta's traffic. The airport station is the final stop on the red and gold lines, offering a convenient city connection.

Read more about ATLby Blane Bachelor
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on LATAM Airlines

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Blane Bachelor

Blane Bachelor

Expert on Southwest and ATL

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more

Good to know

Low seasonFebruary
Cheapest flight$19
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from St. Louis to Atlanta

When to book flights from St. Louis to Atlanta

Are your dates flexible? Find out the best times to travel from St. Louis to Atlanta based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Atlanta

  • How can I catch the earliest flight from St Louis to Atlanta?

    You can catch the earliest flight from St. Louis to Atlanta by spending the night before traveling at one of the hotels closer to the airport. Hampton Inn St. Louis-Airport is a good hotel with pocket-friendly rates, which you can consider for this purpose.

  • What is the best way to get to downtown Atlanta from ATL?

    The most convenient way to connect to downtown Atlanta from Hartsfield–Jackson Atlanta International Airport is to use Shared Airport shuttles. This service is available at the airport stall 3 through 10 every 15min. A shuttle ride from the airport to downtown Atlanta takes about 5min.

  • Which other cities can I visit during my trip to Atlanta from St. Louis?

    Apart from visiting various destinations in Atlanta, you can also visit other nearby cities. Some cities that may top the list of your areas to visit include Alpharetta, Norcross, and Marietta. The distance from Atlanta to Alpharetta is about 26.4 miles; the distance from Atlanta to Norcross is 20.1 miles; the distance from Atlanta to Marietta is 20.5 miles.

  • Which airline can I use when flying from St. Louis to Atlanta with my kids?

    United Airlines and Delta have some of the best onboard amenities for children among the several airlines that fly from St. Louis to Atlanta. Staring with their spacious seats in both first-class and business-class cabins, you and your kids can experience greater comfort. You kids can also enjoy kid-friendly entertainment for the entire journey.

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

    In the last 3 days, the lowest price for a flight from St. Louis to Atlanta was $19 for a one-way ticket and $113 for a round-trip.

  • Do I need a passport to fly between St. Louis and Atlanta?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airlines offer Wi-Fi service onboard planes from St. Louis to Atlanta?

    Delta, American Airlines, JetBlue, Lufthansa, and United Airlines offer inflight Wi-Fi service on the St. Louis to Atlanta flight route.

  • Which aircraft models fly most regularly from St. Louis to Atlanta?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the St. Louis to Atlanta flight route.

  • Which airline alliances offer flights from St. Louis to Atlanta?

    oneworld, and SkyTeam are the airline alliances operating flights between St. Louis and Atlanta, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from St. Louis to Atlanta?

    There are nonstop flights from St. Louis to Atlanta on a daily basis.

  • Which is the best airline for flights from St. Louis to Atlanta, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from St. Louis to Atlanta are Southwest and Delta. With an average price for the route of $311 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $319 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from St. Louis to Atlanta?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Atlanta.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Atlanta?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Atlanta from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Atlanta?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Atlanta with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and ATL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Atlanta?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Atlanta from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from St. Louis to Atlanta

  • Looking for a cheap flight? 25% of our users found flights on this route for $131 or less one-way and $269 or less round-trip.
  • Many travelers flying from St. Louis to Atlanta prefer Louis Lambert International Airport (STL) as the departure airport. Compared to MidAmerica airport, STL offers the advantage of higher reliability, easier access, and the highest number of daily flights to Atlanta. Additionally, it is easier to access STL from any point in St. Louis because of the various means of transport to the airport.
  • When connecting from downtown St. Louis to STL, consider using public transport anytime. This not only offers pocket-friendly rates but also is conveniently accessible. However, if you want to take the shortest time before arriving at the airport from downtown St. Louis, taxis will be a suitable transport option. A taxi ride to the airport is about 18 min in light traffic.
  • Most flights from St. Louis to Atlanta have Hartsfield–Jackson Atlanta International Airport (ATL) as the arrival airport, despite the city having 11 other airports. The central location of ATL in Atlanta gives it an advantage over the other airports. Moving from this airport to any other destination within the city is easier.
  • Consider using Delta Airlines when flying from St. Louis to Atlanta for your chance to enjoy great onboard and lounge amenities when you land at ATL. This is because ATL is the hub for Delta Airlines. Its lounge amenities, including clean and well-decorated restaurants, carpeted resting areas, and cozy waiting seats, stand above the rest.
  • All flights from St. Louis to Atlanta are friendly to people with special needs, such as those requiring a wheelchair. You can get cab-to-aircraft wheelchair services at STL if you communicate with your airline in advance. Similarly, when you arrive at ATL, the airport staff readily supports visitors with visual impairment.

Prefer to fly direct from St. Louis to Atlanta?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Lambert-St Louis to Atlanta Hartsfield-Jackson.
Find which airlines fly direct from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport, which days they fly and book direct flights.

Direct departures

Lambert-St Louis to Atlanta Hartsfield-Jackson

Monday

Delta, Southwest, Frontier

Delta, Southwest, +1 more

Tuesday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

Wednesday

Delta, Southwest

Delta, Southwest

Thursday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

Friday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

Saturday

Delta, Southwest

Delta, Southwest

Sunday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

See more direct flights

Direct returns

Atlanta Hartsfield-Jackson to Lambert-St Louis

Monday

Delta, Southwest, Frontier

Delta, Southwest, +1 more

Tuesday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

Wednesday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

Thursday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

Friday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

Saturday

Delta, Southwest

Delta, Southwest

Sunday

Delta, Frontier, Southwest

Delta, Frontier, +1 more

See more direct flights

Reviews of the top 4 airlines serving from St. Louis to Atlanta

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Atlanta. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Atlanta? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4243 reviews
8.6Crew
7.0Food
8.0Comfort
8.1Boarding
7.5Entertainment
Airline reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

8.0 ExcellentGreg, Oct 2025OAK - BUR
Read more Southwest reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Great flight. Outstanding Service. Southwest was able to put us on a direct flight to Denver when the connection could have been affected by a later arrival to Baltimore. The direct flight was less expensive that the flight with the connection in Baltimore.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

Non stop on long haul is the way to go. Great experience

Flight was crowded and the woman sitting on my left was large & kept crouching in to my space. You need bigger seats or smaller passengers to fit into the seats you DO have! Snack were OK. Would appreciate if airlines had more savory rather than sweet snacks, thank you!

Delayed flight (1hour) plus a long layover after an overnight flight with no backup plane available.

The boarding process needs to be refined. Sometimes the gate crew call out the boarding zone, and then flip to the monitor to show which zones are boarding. So unless everyone is gathered around to see the monitor there is usually confusion as wi which zones are boarding.

Really low quality food especially for an international flight. The crew also was surprisingly unpleasant except couple of ladies. I know we were not in first class but that’s no reason to treat customers as less.

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

They made us board and then deboard due to mechanical issue which delayed the departure by almost 2 hours and we barely made our connecting flight. These quality checks should've been done before boarding not after.

I liked the friendliness of the staff. The cleanliness of all 3 planes.

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

It was good..clean, comfy seat. Friendly warm welcoming crew. Was able to check my cabin luggage at the gate which I was able to pickup in a decent time from baggage claim. The app gave all updates from delays to baggage claim info. Overall smooth flight.

Flight was delayed leaving Dallas. Arrived about 2 hours later than scheduled.

Flight delayed and missed connection. Rescheduled flight cancelled after 6 hrs wait. Rerouted thru ORD, flight cancelled, overnight stay in ORD. Still in the air on new flight!

We are too tired and frustrated to comment politely at this point

Terrible. Our luggage was delayed and couldn’t be delivered for several days. We got bad information from the airline agents at baggage claim. We had to pick up our car so we wouldn’t be charged for an extra day. We got lost in the maze of airport parking. The baggage claim agents didn’t offer us any compensation for our extra time and expense. We are tired, hungry and very frustrated.

The flight was flawless and we even arrived between 20 and 25 minutes early!

The only thing to like was that we eventually got to our destination

Terrible. Flight cancelled with no reasoning and no flights to rebook. Employees were useless and did nothing to help. Did not even know where to retrieve luggage from the cancelled flight. Flyers beware.

No fault of Frontier staff: plane was very late, reached Orlando at 1 am, took a while to get luggage. Weather, gov financial shutdown impact on TSA, air controllers seemed to have multiple flights backed up. Frontier staff seemed to cope as gracefully as possible. It did reassure me that I and my new hip could adapt to travel challenges. Food/entertainment were irrelevant to my trip.

Terrible. The canceled my entire flight when I requested a refund for a trip frontier canceled trip one way.

Boarding was on time and plane departed as scheduled. There are obviously no amenities (food, drink, entertainment) on Frontier, but there also didn't seem to be any issues with luggage space either.

Inbound plane was on time and flight departed on time with no issues while boarding.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

i was unable to check in the flight. refund requested

It was well done. It was my first time flying with them and I was nervous b/c I have heard of many cancelled and/or delray flights. Everything went smoothly.

Just know that everything, and I mean everything is “ala cart”. 60$ just to put something in the overhead bin. I will never fly Frontier again nor do I recommend them to anyone else.

The single worst check in experience I could imagine. I’ll never do any business with Frontier or any affiliated company

Everything you need to know for your flight from St. Louis to Atlanta

Other airlines flying from St. Louis to Atlanta

Flights from the other most popular airlines that fly from St. Louis to Atlanta according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

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