$36 Cheap Spirit Airlines flights Chicago (ORD) to Atlanta (ATL)

You'll find cheap round-trip Spirit Airlines flights from $72 from ORD to ATL by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $36 for a one-way trip.**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.

To find cheap Spirit Airlines fares from O'Hare Intl. Airport (ORD) to Hartsfield-Jackson Atlanta Intl. Airport (ATL), start searching one to three months before your intended departure. Securing 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 the overall price. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight 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.

Search Spirit Airlines's earliest flights from ORD to ATL by selecting our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also experience 20% 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.

Journey from ORD to ATL with Spirit Airlines and you can look forward to a range of benefits including a rewarding loyalty program. When booking through Expedia as a Free Spirit and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.