Greyhound USA operates a bus from Los Angeles to Tustin twice daily. Tickets cost $10 - $21 and the journey takes 45 min. Alternatively, Amtrak operates a train from Los Angeles to Tustin every 2 hours. Tickets cost $22 - $45 and the journey takes 46 min. Metrolink Trains also services this route every 4 hours.
From Los Angeles, CA bus to Santa Ana, CA. 45 min $16. From Los Angeles Union Station Amtrak train to Santa Ana Regional Transportation Center Amtrak. 46 min $28. From Los Angeles taxi to Tustin. 37 min $216. From Los Angeles drive to Tustin. 37 min $4.