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 9:20 AM PST.
Get from San Ysidro to Ontario
The journey takes about 5 hours 15 minutes, and with fares starting at just R 591, 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
Please note that timetables, routes, or operator details shown here may be updated or differ at the time of your trip.
How much is the bus ticket from San Ysidro to Ontario?
The cheapest bus tickets from San Ysidro to Ontario start at R 591. The average price for this route is around R 828. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from San Ysidro to Ontario?
The average bus journey time from San Ysidro to Ontario is 5h 15m, covering a distance of 178 km. The fastest bus gets you there in 2h 54m and is operated by Executive Lines.
Which bus companies service the San Ysidro to Ontario route?
Several major bus companies operate on this route with 17 buses available per day, including services from Executive Lines, Los Limousines, FlixBus, Greyhound.
What is the earliest and latest departure time for the bus from San Ysidro to Ontario?
The earliest bus departs from San Ysidro to Ontario at 06:00. And the latest bus departs at 20:00.
What are the CO₂ emissions for the bus trip from San Ysidro to Ontario?
A bus trip from San Ysidro to Ontario produces an estimated 4 kg of CO₂, making it a highly eco-friendly travel option and Busbud’s recommended way to travel.
What is the best bus company from San Ysidro to Ontario?
According to Busbud customers, the highest-rated bus company on this route is Executive Lines, with an average rating of 3.6 out of 5 stars based on 85 reviews.
Which bus company has the best Wi-Fi from San Ysidro to Ontario?
Based on reviews on Busbud, the bus company Executive Lines has the best Wi-Fi rating with a score of 3.4.
Which bus company offers the most punctual service from San Ysidro to Ontario?
According to Busbud traveller reviews, the most punctual bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.
Which bus company has the cleanest buses from San Ysidro to Ontario?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Executive Lines, with a cleanliness rating of 4.9 out of 5 stars.
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 09 Jan 2026 with a price of R 498To 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 498 to R 810 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 498, which is on 2026-01-09.
Usually Los Limousines, Greyhound will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.
