Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | San Ysidro Bus Station | S Euclid Avenue | Cheapest | ||||
| Bus | San Ysidro Bus Station | S Euclid Avenue | Fastest | ||||
 | Bus | San Ysidro Bus terminal | Montclair (Ontario) | No tags | ||||
Greyhound Lines, Inc. + FlixBus | Bus | San Ysidro Bus terminal | Montclair (Ontario) | No tags | ||||
 | Bus | San Ysidro Bus terminal | Montclair / Ontario / Claremont | No tags |
Last refresh of the prices: Today at 3:00 AM PST.
Get from San Ysidro to Ontario
The journey takes about 4 hours, and with fares starting at just R 609, it presents an excellent value for a comfortable ride.
Where are the popular stops in San Ysidro and Ontario?
Stops in Ontario
- A
Ontario California Bus Stop Carl's Jr & Teriyaki House
1625 E 4th St, Ontario, CA 91764, USA - B
Ontario Tufesa Bus Stop
1739 S Euclid Ave, Ontario, CA 91762, USA
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Frequently asked questions about travelling from San Ysidro, CA to Ontario, CA by bus
How much does a bus ticket from San Ysidro to Ontario cost?
The bus ticket price from San Ysidro to Ontario starts at R 609. The best way to find cheap bus tickets from San Ysidro to Ontario is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the bus ride from San Ysidro to Ontario?
The average travel time between San Ysidro and Ontario is around 4h, although the fastest bus will take about 2h 54m. This is the time it takes to travel the 178 km that separates the two cities.
How many daily bus connections are there between San Ysidro and Ontario?
The number of buses from San Ysidro to Ontario can differ depending on the day of the week. On average, there are 16 on this route. Some buses run direct routes, while others have layovers. Simplify your bus trip from San Ysidro to Ontario by comparing and selecting the bus that fits your travel style and budget on Busbud.
Which bus companies travel from San Ysidro to Ontario?
When taking the bus from San Ysidro to Ontario, you can travel comfortably and safely with Executive Lines, Los Limousines, FlixBus.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from San Ysidro, CA to Ontario, CA was searched and found on 22 Nov 2025 with a price of R 517To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from San Ysidro, CA to Ontario, CA as early as possible.
You can expect to pay from R 517 to R 926 for a bus ticket from San Ysidro, CA to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at R 748, which is on 2025-11-24.
