$69 Cheap American Airlines flights Chicago (ORD) to Atlanta (ATL)

Finding cheap one-way American Airlines flights from ORD to ATL from $69 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $109 for your next getaway.**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.

Search for cheap American Airlines flights from O'Hare Intl. Airport (ORD) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the ideal day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 earliest flight from ORD to ATL with American Airlines departs at 8:14AM UTC-6. You'll touch down at 11:18AM UTC-5. The final American Airlines flight of the day takes off at 6:30PM UTC-6 and arrives at 9:35PM UTC-5. With approximately 20% fewer cancellations for morning and mid-morning flights, setting off early is generally the best way to go.**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.