$100 Cheap United flights Miami (MIA) to San Francisco (SFO)

You'll discover affordable round-trip United Airlines flights from $199 from MIA to SFO by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $100 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.

Look for cheap United Airlines flights from Miami Intl. Airport (MIA) to San Francisco Intl. Airport (SFO) one to three months prior to your departure. 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. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive is typically 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.

The first United Airlines flight from MIA to SFO departs at 6:00AM UTC-5, arriving at 9:30AM UTC-8. If you'd like to jet off later, the last United Airlines flight leaves MIA at 6:15PM UTC-5 and lands at SFO at 9:49PM UTC-8. Flying earlier is often a good option as morning flights tend to experience fewer 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 ability to collect points through United Mileage Plus are the start of the reasons to leave from MIA to SFO with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* in addition to United 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.