Cheap flights from Atlanta to St. Louis

Flights overview

Useful information for finding cheap flights from Atlanta to St. Louis and booking your next trip
Cheapest round-trip flights $68
Frontier Nonstop 2 hr Thu, May 21 — Mon, May 25
The cheapest round-trip flight from Atlanta to St. Louis is currently $68
Cheapest one-way flight $28
Frontier Nonstop 2 hr Wed, May 27
The cheapest one-way flight from Atlanta to St. Louis is currently $28
Last-minute weekend getaway $246
Frontier 1 stop 10 hr Thu, Apr 30 — Mon, May 4
The cheapest last-minute weekend getaway from Atlanta to St. Louis is currently $246
Cheapest business class flights $276
Frontier Nonstop 2 hr Thu, May 28 — Mon, Jun 1
The cheapest business class round-trip flight from Atlanta to St. Louis is currently $276
Fastest flight 1 hr 36 min The fastest nonstop flight from Atlanta to St. Louis takes 1 hr 36 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Atlanta to St. Louis is typically December. The most expensive month to fly is typically March.
December
Cheapest
Typical prices: $80–300
March
Most expensive
Typical prices: $140–290

Popular airlines from Atlanta to St. Louis

  • Delta
    Nonstop
    from $199
    Typical price: $195–485
    48 weekly nonstop flights
    ATL - STL Every day
  • Southwest
    Nonstop
    from $199
    Typical price: $195–455
    20 weekly nonstop flights
    ATL - STL Every day
    399 weekly connecting flights
    ATL - STL Every day
  • American
    from $219
    Typical price: $215–510
    365 weekly connecting flights
    ATL - STL Every day
  • Frontier
    Nonstop
    from $68
    Typical price: $115–275
    6 weekly nonstop flights
    ATL - STL Every Mon, Wed, Thu, Fri, Sat, Sun
    19 weekly connecting flights
    ATL - STL Every day
  • United
    from $293
    Typical price: $270–560
    223 weekly connecting flights
    ATL - STL Every day
  • Alaska
    from $1,559
    Typical price: $580–1,250
    14 weekly connecting flights
    ATL - STL Every day

Popular airports near Atlanta

  • Hartsfield-Jackson Atlanta International Airport (ATL)
    Atlanta United States 14 min 8 mi
  • Birmingham-Shuttlesworth International Airport (BHM)
    Birmingham United States 2 hr 11 min 136 mi
  • Greenville-Spartanburg International Airport (GSP)
    Greenville United States 2 hr 29 min 147 mi
  • Chattanooga Metropolitan Airport (CHA)
    Chattanooga United States 1 hr 48 min 100 mi

Popular airports near St. Louis

  • St. Louis Lambert International Airport (STL)
    St. Louis United States 21 min 12 mi
  • General Wayne A. Downing Peoria International Airport (PIA)
    Peoria United States 2 hr 36 min 143 mi
  • Columbia Regional Airport (COU)
    Columbia United States 2 hr 8 min 109 mi
  • MidAmerica St. Louis Airport (BLV)
    Belleville United States 34 min 20 mi

Frequently asked questions about flying from Atlanta to St. Louis

The cheapest flights from Atlanta to St. Louis are usually in December. Typical ticket prices in December range from $80 to $300.
The cheapest round-trip flight from Atlanta to St. Louis recently found on Google Flights was with Frontier from $68. The cheapest one-way flight was with Frontier from $28.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Delta flight from Atlanta to St. Louis is $199, flying from May 21 to May 25.
  • The cheapest Southwest flight from Atlanta to St. Louis is $199, flying from May 21 to May 25.
  • The cheapest American flight from Atlanta to St. Louis is $219, flying from May 21 to May 25.
  • The cheapest Frontier flight from Atlanta to St. Louis is $68, flying from May 21 to May 25.
  • The cheapest United flight from Atlanta to St. Louis is $293, flying from May 28 to Jun 1.
  • The cheapest Alaska flight from Atlanta to St. Louis is $1,559, flying from Jul 25 to Jul 26.
The cheapest round-trip flight from Atlanta to St. Louis starts at $68 from Thu, May 21 to Mon, May 25. The cheapest one-way flight starts at $28 and departs on Wed, May 27.
1 hr 36 min is the shortest flight time from Atlanta to St. Louis.
Apr–Sep is the most popular time to visit, coinciding with hot, humid summer and events like Fair St. Louis, a huge Fourth of July festival at Forest Park, and the Taste of St. Louis food festival (Sep). Weather in winter is cold, with occasional snow.
It's easy to use Google Flights to find the cheapest days to fly from Atlanta to St. Louis.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Atlanta to St. Louis really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Atlanta to St. Louis.

In terms of nonstop flights, Delta is the most popular. Delta offers 48 nonstop flights per week. Delta flies from Hartsfield-Jackson Atlanta International Airport (ATL) to St. Louis Lambert International Airport (STL) .

In terms of flights, Southwest is the most popular. Southwest offers 20 nonstop flights and 399 connecting flights per week. Southwest flies from Hartsfield-Jackson Atlanta International Airport (ATL) to St. Louis Lambert International Airport (STL) .

Other popular airlines flying from Atlanta to St. Louis are:
  • American offers 365 connecting flights per week. American flies from Hartsfield-Jackson Atlanta International Airport (ATL) to St. Louis Lambert International Airport (STL) .
  • Frontier offers 6 nonstop flights and 19 connecting flights per week. Frontier flies from Hartsfield-Jackson Atlanta International Airport (ATL) to St. Louis Lambert International Airport (STL) .
  • United offers 223 connecting flights per week. United flies from Hartsfield-Jackson Atlanta International Airport (ATL) to St. Louis Lambert International Airport (STL) .
  • Alaska offers 14 connecting flights per week. Alaska flies from Hartsfield-Jackson Atlanta International Airport (ATL) to St. Louis Lambert International Airport (STL) .
The number of connecting flights refers to distinct flights with at least one stop between Atlanta and St. Louis.
The cheapest round-trip flight from Atlanta to St. Louis recently found on Google Flights was with Frontier from $68. The cheapest one-way flight was with Frontier from $28.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Delta flight from Atlanta to St. Louis is $199, flying from May 21 to May 25.
  • The cheapest Southwest flight from Atlanta to St. Louis is $199, flying from May 21 to May 25.
  • The cheapest American flight from Atlanta to St. Louis is $219, flying from May 21 to May 25.
  • The cheapest Frontier flight from Atlanta to St. Louis is $68, flying from May 21 to May 25.
  • The cheapest United flight from Atlanta to St. Louis is $293, flying from May 28 to Jun 1.
  • The cheapest Alaska flight from Atlanta to St. Louis is $1,559, flying from Jul 25 to Jul 26.
Delta, Southwest and Frontier fly direct from Atlanta to St. Louis.
  • There are 48 Delta direct flights from Atlanta to St. Louis per week. Flights are available every day.
  • There are 20 Southwest direct flights from Atlanta to St. Louis per week. Flights are available every day.
  • There are 6 Frontier direct flights from Atlanta to St. Louis per week. Flights are available on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Atlanta and St. Louis at price $246 is offered by Frontier from Thu, Apr 30 to Mon, May 4.
Delta, Southwest and Frontier fly direct from Atlanta to St. Louis.
  • There are 48 Delta direct flights from Atlanta to St. Louis per week. Flights are available every day.
  • There are 20 Southwest direct flights from Atlanta to St. Louis per week. Flights are available every day.
  • There are 6 Frontier direct flights from Atlanta to St. Louis per week. Flights are available on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Atlanta to St. Louis on a daily basis.
The cheapest direct (nonstop) round-trip flights between Atlanta and St. Louis start at $68 from Thu, May 21 to Mon, May 25 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Atlanta to St. Louis, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Atlanta and St. Louis start at $276 from Thu, May 28 to Mon, Jun 1 with Frontier.
The cheapest economy class round-trip flights between Atlanta and St. Louis start at $68 from Thu, May 21 to Mon, May 25.
To book business class trips from Atlanta to St. Louis, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Atlanta and St. Louis starts at $246 from Thu, Apr 30 to Mon, May 4 with Frontier.
The cheapest last-minute deal between Atlanta and St. Louis at price $246 is offered by Frontier from Thu, Apr 30 to Mon, May 4.
To find last-minute flight deals from Atlanta to St. Louis, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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