$109 Cheap United flights Atlanta (ATL) to San Francisco (SFO)

You can discover cheap return United Airlines flights from $217 from ATL to SFO by organizing your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $109 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.

Search for round-trip or one-way flights to San Francisco in February or April. You could find cheaper fares with United Airlines during these off-peak times.

For cheap United 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. Securing 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 influence how much you pay. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.

Depart on one of United Airlines’s 7 weekly direct flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Francisco Intl. Airport (SFO). To view available options, enter your origin, dates and destination and hit search. Then use the “Nonstop” and “Airline” filters.

On average, it takes 5h 33m to fly nonstop from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Francisco Intl. Airport (SFO) with United Airlines.

Departing ATL at 6:55PM UTC-5, the earliest United Airlines flight to SFO arrives at 9:28PM UTC-8. Flying earlier in the day means you’ll be less likely to encounter delays.* After something later? The last United Airlines flight from ATL to SFO departs at 6:55PM UTC-5 and touches down at 9:28PM UTC-8.*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.

United Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Francisco touch down at San Francisco Intl. Airport (SFO) and Norman Y. Mineta San Jose Intl. Airport (SJC). The main San Francisco gateway served by this airline is SFO. It’s always worth comparing flights landing at nearby airports on Expedia as they may have lower fares.

Offering a rewarding loyalty program, United Airlines is a popular choice for many passengers flying from ATL to SFO. Plus, if you’re a United Mileage Plus 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.

You’ll probably be on a Boeing 737 MAX 8 for your United Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Francisco Intl. Airport (SFO). However, you could end up on a different aircraft for operational reasons.

You can usually cancel or modify your flight, although additional charges may apply if you booked more than 24 hours ago. Need flexible options? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you need to adjust your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for further information.