The average bus between Oceanside and Ontario takes 5h 57m and the fastest bus takes 4h 11m. The bus service runs several times per day from Oceanside to Ontario. 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 4 times a day between Oceanside and Ontario. The earliest departure is at 6:30 AM in the morning, and the last departure from Oceanside is at 11:10 PM which arrives into Ontario at 7:28 AM. All services require a transfer at Santa Ana and take an average of 5h 57m. The schedules shown below are for the next available departures.



4h 11m • 3 changes



4h 43m • 3 changes



5h 22m • 3 changes
Arrives next day



8h 18m • 3 changes



4h 11m • 3 changes



4h 43m • 3 changes



5h 22m • 3 changes
Arrives next day



9h 41m • 3 changes



4h 31m • 3 changes



5h 9m • 3 changes



4h 17m • 3 changes
Arrives next day



12h 20m • 3 changes
Want to know about travelling from Oceanside to Ontario? 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 Oceanside to Ontario. However, there are services departing from Oceanside station and arriving at Ontario station via Santa Ana. The journey, including transfers, takes approximately 5h 57m.
Oceanside to Ontario bus services, operated by Greyhound Mexico, depart from Oceanside station.
Oceanside to Ontario bus services, operated by Greyhound Mexico, arrive at Pomona Transit Center station.
Book your Oceanside to Ontario bus tickets online with Greyhound Mexico, OCTA and 4 other operators.
The distance between Oceanside and Ontario is 99.7 km. The road distance is 140 km.
You can take a bus from Oceanside to Holt @ Palm via Santa Ana, The Depot At Santa Ana Dock 3, Ring-Brea Mall, Brea Mall, and Pomona Transit Center in around 4h 37m.