$79 Cheap American Airlines flights Philadelphia (PHL) to Atlanta (ATL)

Make use of the "Price (lowest to highest)" filter on Expedia to find cheap American Airlines return flights from $139 from PHL to ATL. Affordable one-way fares from $79 are available too.**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.

Begin your search one to three months before your departure to find cheaper fares on American Airlines flights from Philadelphia Intl. Airport (PHL) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic journeys.*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 American Airlines flight from PHL to ATL departs at 10:04AM UTC-5, touching down at 12:27PM UTC-5. If you'd like to jet off later in the day, the last American Airlines flight leaves PHL at 6:59PM UTC-5 and touches down at ATL at 9:27PM UTC-5. Flying earlier is often a wise choice as morning flights are least likely to face 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.