$94 Find Cheap Southwest Flights from St. Louis to Atlanta

When to Book Flights with Southwest from St. Louis to Atlanta

• Is Southwest the cheapest airline to fly with from St. Louis to Atlanta?

  With an average price of $312 return, Southwest is not the cheapest airline to fly from St. Louis to Atlanta with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $144 on average.

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

  In the last 3 days, the lowest price for a flight with Southwest from St. Louis to Atlanta was $137 for a return flight and $64 for a one-way flight.

• Does Southwest fly direct to Atlanta from St. Louis?

  Yes, Southwest does offer direct flights for the route, with around 23 flights per week.

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

  On average, the cheapest day of the week to fly from St. Louis to Atlanta with Southwest is Wednesday, when prices are around $70. The most expensive day is generally Thursday, where the average price is around $138.

• What’s the cheapest month to fly from St. Louis to Atlanta with Southwest?

  The cheapest month for Southwest flights to Atlanta from St. Louis is generally September, where plane tickets cost $127 on average. If possible, try to avoid the most expensive months of May and January, where tickets cost $282 and $302 respectively.