Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | S Euclid Avenue | San Ysidro Bus Station | CheapestFastest | ||||
 | Bus | Ontario Convention Center | San Ysidro Greyhound Bus Station | No tags | ||||
| Bus | Ontario Convention Center | San Ysidro Greyhound Bus Station | No tags | ||||
| Bus | Ontario Convention Center | San Ysidro Greyhound Bus Station | No tags |
Last refresh of the prices: Yesterday at 6:34 PM PST.
Get from Ontario to San Ysidro
The journey takes about 6 hours 15 minutes, and with fares starting at just R 549, it presents an excellent value for a comfortable ride.
Where are the popular stops in Ontario and San Ysidro?
Stops in Ontario
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Frequently asked questions about travelling from Ontario, CA to San Ysidro, 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 Ontario to San Ysidro?
The cheapest bus tickets from Ontario to San Ysidro start at R 549. The average price for this route is around R 830. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from Ontario to San Ysidro?
The average bus journey time from Ontario to San Ysidro is 6h 15m, covering a distance of 175 km. The fastest bus gets you there in 2h 30m and is operated by Executive Lines.
Which bus companies service the Ontario to San Ysidro route?
Several major bus companies operate on this route with 23 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 Ontario to San Ysidro?
The earliest bus departs from Ontario to San Ysidro at 04:20. And the latest bus departs at 22:25.
What are the CO₂ emissions for the bus trip from Ontario to San Ysidro?
A bus trip from Ontario to San Ysidro 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 Ontario to San Ysidro?
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 Ontario to San Ysidro?
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 Ontario to San Ysidro?
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 Ontario to San Ysidro?
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 Ontario, CA to San Ysidro, CA was searched and found on 18 Jan 2026 with a price of R 706To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ontario, CA to San Ysidro, CA as early as possible.
