Flight
SJC is the closest airport to the reception party in Campbell, CA. A smaller, two terminal airport with airlines American, Delta, Southwest, Alaska, Frontier, and United.
Flight
SFO is 38 miles north of the reception party. The Bay Area's largest airport servicing a plethora of airlines and more direct flights for better value.
Train
The train ride from San Francisco to San Jose is 1 hour & 17 minutes. There's a 2:25pm train that will get you down the peninsula in time to party for $10.75! You can grab a ride share car or taxi to the reception party from the Diridon Station. Caitlin utilizes Caltrain daily for work, and for pre-gamers you're allowed to drink alcoholic beverages on the train (please be responsible and respectful).
Train
Cross the Bay Area (underwater!) from San Francisco to Oakland and then down The Bay from the Civic Center Station to Berryessa Station in North San Jose. Berryessa is 10 miles north of the reception party; take a ride share to Campbell. There's a 2:24pm train that takes 1 hour and 10 minutes for $10.