Airports:

San Francisco International (SFO) – 45 minutes (25 miles) - SFO website

Oakland International (OAK) – 30 minutes (15 miles) - OAK website

Choose based on your geolocation and convenience. You can read about each of the airports at https://advanced-writer.com/ or on the official website.

BART (Subway-Metro): Bart website

Bay Area Rapid Transit (BART) is available from the Oakland International Airport and the San Francisco International Airport to the Downtown Berkeley BART station.