$55 Cheap Frontier Airlines flights San Antonio (SAT) to Atlanta (ATL)

You’ll discover cheap round-trip Frontier Airlines flights from $107 from SAT to ATL by filtering your results from “Price (lowest to highest)” on Expedia. Or look for options from $55 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.

January is one of the most affordable months to fly to Atlanta with Frontier Airlines. You could also find excellent prices on one-way and return fares in February.

Search for cheap Frontier Airlines flights from San Antonio Intl. Airport (SAT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) one to three months before your departure day. 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. No matter the fare class and journey, 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 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.

Click on our “Nonstop” filter when searching for direct Frontier Airlines flights from SAT to ATL. You can also compare other airlines offering the same direct route.

To find the earliest departures from SAT to ATL with Frontier Airlines, filter your results by “Early Morning” and “Morning.” Choosing an early flight usually means cancellations are less likely.**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.

Catch a Frontier Airlines flight from San Antonio Intl. Airport (SAT) to Atlanta, and you’ll likely touch down at Hartsfield-Jackson Atlanta Intl. Airport (ATL). This is the airline’s primary hub in this city.

A rewarding loyalty program and the ability to collect points through Frontier Miles are the start of the reasons to depart from SAT to ATL with Frontier Airlines. Plus, by joining Expedia’s free One Key™ program, you can receive 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.

Depending on the type of ticket you purchased, a fee generally applies if you modify or cancel your booking more than 24 hours after it’s been confirmed. To secure tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when you look for flights. For additional information on modifying or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”