$79 Cheap Southwest Airlines flights Austin (AUS) to Atlanta (ATL)

Set the "Price (lowest to highest)" filter on Expedia to find cheap Southwest Airlines return flights from $157 from AUS to ATL. Affordable one-way options from $79 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

For cheap Southwest Airlines fares from Austin-Bergstrom Intl. Airport (AUS) to Hartsfield-Jackson Atlanta Intl. Airport (ATL), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect what you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The first Southwest Airlines flight from AUS to ATL takes off at 6:45AM UTC-6, touching down at 9:50AM UTC-5. If you prefer to set off later in the day, the last Southwest Airlines flight leaves AUS at 5:30PM UTC-6 and lands at ATL at 8:35PM UTC-5. Flying earlier is generally a good option as morning and mid-morning flights tend to experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.