ATL - STL

$23 Find Cheap Flights from Atlanta to St. Louis - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Atlanta to St. Louis departing on 11/9. 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

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Everything you should know

Cheapest round-trip
$72
Typical prices: $143-$413
Frontier
Fri 9/11Sun 9/20
ATL - STL • Non-stop
Cheapest non-stop
$72
Typical prices: $127-$267
Frontier
Wed 8/12Sun 8/16
ATL - STL • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Delta offers free Wi-Fi for SkyMiles members on domestic Atlanta-St. Louis flights.
Southwest includes a free carry-on, but checked bags now cost extra.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with Delta, Frontier and Southwest. Average duration is 1h 40m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Atlanta to St. Louis 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 Atlanta to St. Louis

Fri, Sep 11 - Sun, Sep 20
Frontier Logo
8:50 am - 9:40 am
ATL
-
STL
1h 50mnonstop
Frontier Logo
10:35 am - 1:15 pm
STL
-
ATL
1h 40mnonstop
$72Frontier
Thu, Aug 13 - Sun, Aug 16
Frontier Logo
4:43 pm - 5:37 pm
ATL
-
STL
1h 54mnonstop
Frontier Logo
6:34 pm - 9:37 pm
STL
-
ATL
2h 03mnonstop
$72Frontier
Wed, Aug 12 - Sun, Aug 16
Frontier Logo
8:05 am - 8:57 am
ATL
-
STL
1h 52mnonstop
Frontier Logo
6:34 pm - 9:37 pm
STL
-
ATL
2h 03mnonstop
$72Frontier
Sat, Aug 22 - Sat, Aug 29
Delta Logo
3:34 pm - 4:17 pm
ATL
-
STL
1h 43mnonstop
Delta Logo
7:00 am - 9:37 am
STL
-
ATL
1h 37mnonstop
$117Delta
Tue, Sep 8 - Tue, Sep 15
Delta Logo
1:30 pm - 2:08 pm
ATL
-
STL
1h 38mnonstop
Delta Logo
2:30 pm - 5:05 pm
STL
-
ATL
1h 35mnonstop
$117Delta
Wed, Sep 16 - Wed, Sep 16
Southwest Logo
7:00 am - 7:40 am
ATL
-
STL
1h 40mnonstop
Southwest Logo
3:05 pm - 5:35 pm
STL
-
ATL
1h 30mnonstop
$117Southwest
Tue, Sep 22 - Sat, Sep 26
Southwest Logo
11:30 am - 12:10 pm
ATL
-
STL
1h 40mnonstop
Southwest Logo
8:30 am - 11:00 am
STL
-
ATL
1h 30mnonstop
$117Southwest
Wed, Aug 26 - Sat, Aug 29
Delta Logo
10:40 pm - 11:21 pm
ATL
-
STL
1h 41mnonstop
Delta Logo
6:00 am - 8:38 am
STL
-
ATL
1h 38mnonstop
$117Delta
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
6:00 am - 11:26 am
ATL
-
STL
6h 26m
1 stop
American Airlines Logo
7:26 am - 4:00 pm
STL
-
ATL
7h 34m
1 stop
$159American Airlines
Thu, Aug 20 - Mon, Aug 24
American Airlines Logo
6:00 am - 9:32 am
ATL
-
STL
4h 32m
1 stop
American Airlines Logo
6:00 am - 11:25 am
STL
-
ATL
4h 25m
1 stop
$159American Airlines
Booking Insights

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

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

How much is a round-trip flight from Atlanta to St. Louis?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Atlanta to St. Louis departing in September.

Flight prices are below average for this route right now.

Flights to St. Louis from Atlanta usually cost between $137 and $268 in September.
The lowest price found in the past 5 days was $72 on Frontier (Sep 11-Sep 20).

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

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

Your flight ticket price will generally be cheaper if you fly to St. Louis on a Saturday and more expensive on a Monday. On your return trip to Atlanta, you should consider flying back on a Thursday, and avoid Mondays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Atlanta to St. Louis, 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 Atlanta to St. Louis is June, where tickets cost $165 (return) on average. On the other hand, the most expensive months are May and March, where the average cost of round-trip tickets is $263 and $257 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Atlanta to St. Louis, 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 Atlanta to St. Louis, you should book around 3 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Expert advice

Expert advice for your flight from Atlanta to St. Louis

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta

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.

Blane Bachelor

Blane Bachelor

Expert on Southwest and ATL

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.

Yulia Denisyuk

Yulia Denisyuk

Expert on STL

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.

Good to know

Low season

March

Cheapest flight

$23
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from Atlanta to St. Louis

When to book flights from Atlanta to St. Louis

Are your dates flexible? Find out the best times to travel from Atlanta to St. Louis 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 Atlanta to St. Louis

  • What are the transportation options from St. Louis Lambert International Airport (STL)?

    ​​​​​​​Greyhound offers their bus route number 30, that can take passengers from the airport to the downtown area and around 30min. There is also light rail service operated by Metro St. Louis that makes the same trip in about 30min. Passengers wishing to travel in a taxi from the airport should expect a ride time to downtown St. Louis of around 19min.

  • Which hotels are near St. Louis Lambert International Airport?

    ​​​​​​​Two of the best choices for hotels that sit right adjacent to the terminal buildings of the airport just across Interstate 70 are the Marriott St. Louis Airport and the Drury Inn & Suites St. Louis Airport, both of which offer a complimentary shuttle service between the airport terminal buildings and their properties.

  • Where are the car rental desks at St. Louis Lambert International Airport?

    ​​​​​​​All of the rental car companies that operate at this airport do so in offsite locations, and you can access their locations utilizing the complimentary shuttle buses operated by the airport. The pickup locations for the shuttle buses are at exit 17 of terminal one and exit 12 of terminal two.

  • Where will I meet my ride at St. Louis Lambert International Airport?

    ​​​​​​​The dedicated pickup points for rideshare vehicles at this airport are at Exit 6 of Terminal One on the Ticketing Level and Exit 15 of Terminal Two.

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

    In the last 5 days, the lowest price for a flight from Atlanta to St. Louis was $23 for a one-way ticket and $72 for a round-trip.

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

    No

  • Which airports will I be using when flying from Atlanta to St. Louis?

    When flying out of Atlanta you will be using Atlanta Hartsfield-Jackson. You will be landing at St. Louis, also known as Lambert-St Louis.

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

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

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

    The Boeing 737-900 is the aircraft model that flies most regularly on the Atlanta to St. Louis flight route.

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

    SkyTeam is the only airline alliance operating flights between Atlanta and St. Louis.

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

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

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

    The two airlines most popular with KAYAK users for flights from Atlanta to St. Louis are Southwest and Delta. With an average price for the route of $347 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 $248 and an overall rating of 7.8.

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

    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 Atlanta to St. Louis.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Atlanta 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 Atlanta to St. Louis?

    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 St. Louis with an airline and back to Atlanta with another airline. Booking your flights between Atlanta and STL 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 Atlanta to St. Louis?

    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 St. Louis from Atlanta 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 Atlanta to St. Louis

  • Looking for a cheap flight? 25% of our users found flights on this route for $185 or less one-way and $147 or less round-trip.
  • If you'd like to get to Atlanta Hartsfield-Jackson International Airport (ATL) without having to do the driving yourself, take the MARTA Gold or Red line trains that make the trip from several areas in the center of Atlanta to the airport in around 15min. Greyhound also offers bus service from the Garnett Station in downtown Atlanta to the airport in around 15min.
  • Passengers driving to Atlanta Hartsfield-Jackson International Airport will find that this airport offers a number of different parking choices, including both covered and uncovered parking options. One of the most budget-friendly choices for parking are the economy parking sections that travelers will find at the north and south end of the airport property adjacent to the parking decks. Passengers can also book parking online at least 24 hours before their flight and guarantee an available parking spot upon their arrival.
  • If you are taking a pet or a service animal through the Atlanta Hartsfield-Jackson International Airport, this airport offers pet relief areas both inside and outside of the terminal buildings. The indoor areas have locations adjacent to gates C19, E14, F7, T7, A10, and B33.
  • If the kids will be coming through the Atlanta Hartsfield-Jackson International Airport, this airport offers two different play areas for kids to let them burn off some energy before a long flight.
  • ​​​​​​​If you looking for a comfortable place to wait for a flight at the airport, a good choice at the Atlanta Hartsfield-Jackson International Airport is The Club ATL lounge on Concourse F past the security checkpoints. In addition to dining and entertainment options, this lounge also offers a substantial choice of different seating options.

Prefer to fly direct from Atlanta to St. Louis?

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

Direct departures

Atlanta Hartsfield-Jackson to Lambert-St Louis

Monday

Delta,Frontier,Southwest

Delta,Frontier, +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,Frontier,Southwest

Delta,Frontier, +1 more

Sunday

Delta,Frontier,Southwest

Delta,Frontier, +1 more

See more direct flights

Direct returns

Lambert-St Louis to Atlanta Hartsfield-Jackson

Monday

Delta,Frontier,Southwest

Delta,Frontier, +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,Frontier,Southwest

Delta,Frontier, +1 more

Sunday

Delta,Frontier,Southwest

Delta,Frontier, +1 more

See more direct flights

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

Information on your arrival and departure airports