Take Caltrain to Millbrae station, then take Bart train one station to SFO, then take airport train to your terminal. It is a long waiting process. If someone drive me, it take only 15 min from Hayward Park to SFO. Taking Caltrain, BART, then airport train will take more than one hour.
![4K Upper Level Sunset Express Caltrain Full Ride [San Francisco-San Jose]](http://i.ytimg.com/vi/CqyxUIN4zdQ/mqdefault.jpg)
Take Caltrain to Millbrae station, then take Bart train one station to SFO, then take airport train to your terminal. It is a long waiting process. If someone drive me, it take only 15 min from Hayward Park to SFO. Taking Caltrain, BART, then airport train will take more than one hour.