$64 Cheap Frontier Airlines flights Miami (MIA) to Atlanta (ATL)

You can discover affordable round-trip Frontier Airlines flights from $101 from MIA to ATL by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $64 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.

Start searching one to three months ahead of your departure date to find cheaper fares on Frontier Airlines flights from Miami Intl. Airport (MIA) 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 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.

The earliest Frontier Airlines flight from MIA to ATL takes off at 6:00AM UTC-5, touching down at 8:18AM UTC-5. If you prefer to jet off later, the last Frontier Airlines flight leaves MIA at 8:05PM UTC-5 and touches down at ATL at 10:28PM UTC-5. Flying early is generally a smart choice as morning and mid-morning flights are less likely to experience 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.

A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to travel from MIA to ATL with Frontier Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* on top of Frontier Airlines's loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.