$214 Cheap United flights Medford (MFR) to San Francisco (SFO)

You can discover cheap round-trip United Airlines flights from $189 from MFR to SFO by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from $214 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.

Look for cheap United Airlines flights from Rogue Valley Intl. Airport (MFR) to San Francisco Intl. Airport (SFO) one to three months ahead of 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. Regardless of fare class and itinerary, the best day of the week 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 their travel 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 earliest United Airlines flight from MFR to SFO departs at 6:00AM UTC-8, landing at 7:34AM UTC-8. If you prefer to head off later, the last United Airlines flight leaves MFR at 1:57PM UTC-8 and touches down at SFO at 3:35PM UTC-8. Flying before noon is often a wise choice as 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.

Depart from MFR to SFO with United Airlines and you'll enjoy a host of benefits starting with a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.