$40 Cheap Spirit Airlines flights Philadelphia (PHL) to Atlanta (ATL)

Grab cheap return Spirit Airlines flights from $74 from PHL to ATL by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $40 for a one-way journey.**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 ahead of your departure date to score cheap fares on Spirit 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 versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*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.

Leaving PHL at 10:05PM UTC-5, the earliest Spirit Airlines flight to ATL lands at 12:27AM UTC-5. Flying early means you'll be less likely to experience cancellations.* Not an early riser? The last Spirit Airlines flight from PHL to ATL departs at 10:05PM UTC-5 and touches down at 12:27AM UTC-5.*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.

Offering a rewarding loyalty program, Spirit Airlines is a top pick for many passengers journeying from PHL to ATL. Plus, if you're a Free Spirit and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.