$61 Cheap Frontier Airlines flights Atlanta (ATL) to San Francisco (SFO)

You’ll find budget-friendly return Frontier Airlines flights from $122 from ATL to SFO by sorting your results from “Price (lowest to highest)” on Expedia. Or search for deals from $61 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.

February is one of the least expensive months to jet away to San Francisco with Frontier Airlines. You could also find great deals on return and one-way fares in April.

To find cheap Frontier Airlines fares from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Francisco Intl. Airport (SFO), start searching one to three months before your intended departure. Reserving 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 generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

To see if there’s a direct route from ATL to SFO with Frontier Airlines or another airline, check the “Nonstop” filter when looking for tickets.

Filter your results by “Morning” and “Early Morning” to see the earliest flights from ATL to SFO. Jetting off early means you’re 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.

Catch a Frontier Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Francisco, and you’ll probably touch down at San Francisco Intl. Airport (SFO). This is the airline’s main hub in this destination.

A rewarding loyalty program and the ability to collect points through Frontier Miles are the start of the reasons to depart from ATL to SFO with Frontier Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can earn OneKeyCash™* in addition to Frontier Airlines’s loyalty program earnings. It’s yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making a booking, but your airline may charge you after that time. For further information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your itinerary without additional costs, apply the “No cancel fee” or “Changes included” filter when organizing your trip.