The average bus between Santa Ana Airport (SNA) and Diamond Bar takes 3h 16m and the fastest bus takes 2h 49m. The bus service runs several times per day from Santa Ana Airport (SNA) to Diamond Bar. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 4 hours between Santa Ana Airport (SNA) and Diamond Bar. The earliest departure is at 5:55 AM in the morning, and the last departure from Santa Ana Airport (SNA) is at 6:11 PM which arrives into Diamond Bar at 9:45 PM. All services require a transfer at Macarthur-Harbor and take an average of 3h 16m. The schedules shown below are for the next available departures.



2h 49m • 3 changes



2h 54m • 3 changes



2h 54m • 3 changes



3h 56m • 3 changes



2h 49m • 3 changes



2h 54m • 3 changes



2h 54m • 3 changes



3h 56m • 3 changes



2h 49m • 3 changes



2h 54m • 3 changes



2h 54m • 3 changes



3h 56m • 3 changes



2h 49m • 3 changes



2h 54m • 3 changes



2h 54m • 3 changes



3h 56m • 3 changes



2h 49m • 3 changes



2h 54m • 3 changes



2h 54m • 3 changes



3h 56m • 3 changes
Want to know about travelling from Santa Ana Airport (SNA) to Diamond Bar? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Santa Ana Airport (SNA) to Diamond Bar. However, there are services departing from Santa Ana Airport (SNA) station and arriving at Diamond Bar station via Macarthur-Harbor. The journey, including transfers, takes approximately 3h 16m.
Santa Ana Airport (SNA) to Diamond Bar bus services, operated by OCTA, depart from Airport-Arrival Terminal station.
Santa Ana Airport (SNA) to Diamond Bar bus services, operated by OCTA, arrive at Diamond Bar Blvd and Sunset Crossing Rd station.
The distance between Santa Ana Airport (SNA) and Diamond Bar is 39 km. The road distance is 54 km.
You can take a bus from Airport-Arrival Terminal to Diamond Bar Blvd and Sunset Crossing Rd via Macarthur-Harbor, Harbor-Macarthur, Fullerton Trans Ctr Dock 4, Ring-Brea Mall, and Brea Mall in around 3h 50m.