Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Montclair / Ontario / Claremont | San Antonio Bus Station | CheapestFastest | ||||
FlixBus + Greyhound Lines, Inc. + Greyhound Lines Mexico | Bus | Montclair (Ontario) | San Antonio Bus Station | No tags | ||||
Greyhound Lines, Inc. + Greyhound Lines Mexico | Bus | Montclair / Ontario / Claremont | San Antonio Bus Station | No tags | ||||
Greyhound Lines, Inc. + Valley Transit | Bus | Montclair / Ontario / Claremont | San Antonio Bus Station | No tags | ||||
FlixBus + Greyhound Lines, Inc. | Bus | Montclair (Ontario) | San Antonio Bus Station | No tags |
Last refresh of the prices: Yesterday at 6:50 PM PST.
Compare 2 ways to go from Ontario to San Antonio
Among the sustainable travel choices, the bus stands out as a good way to reach San Antonio. The journey takes about 1 day, 12 hours 15 minutes, and with fares starting at just $161, it presents an excellent value for a comfortable ride.
Where are the popular stops in Ontario and San Antonio?
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
Stops in San Antonio
- A500 N St Mary's St, San Antonio, TX 78205, USA
- B7914 Interstate 35 Access Rd, San Antonio, TX 78224, USA
- C165 Bowie St, San Antonio, 78205
- D4407 S PanAm Expy #101, San Antonio, TX 78225, USA
Compare bus companies
Frequently asked questions about travelling from Ontario, CA to San Antonio, US by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Ontario to San Antonio?
The cheapest bus tickets from Ontario to San Antonio start from $161. The average price for this route is around $256. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Ontario to San Antonio?
The average bus travel time from Ontario to San Antonio is 1d 12h, covering a distance of 1885 km. The quickest bus can get you there in 1d 7h and is operated by Greyhound.
Which bus companies service the Ontario to San Antonio route?
What are the earliest and latest departure times for the bus from Ontario to San Antonio?
The earliest bus departs from Ontario to San Antonio at 1:30am. And the latest bus departs at 9:05pm.
What are the CO₂ emissions for the bus trip from Ontario to San Antonio?
A bus trip from Ontario to San Antonio generates an estimated 47 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
What is the best bus company from Ontario to San Antonio?
According to Busbud customers, the highest-rated bus company on this route is Greyhound, with an average rating of 3.5 out of 5 stars based on 87387 reviews.
Which bus company has the best Wi-Fi from Ontario to San Antonio?
Based on Busbud reviews, the bus company FlixBus has the highest Wi-Fi rating with a score of 2.7.
Which bus company has the best on-time performance from Ontario to San Antonio?
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 Antonio?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is FlixBus, with a cleanliness rating of 4.1 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 Antonio, US was searched and found on Dec 3, 2025 with a price of $243To 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 Antonio, US, as early as possible.
You can expect to pay from $243 to $329 for a bus ticket from Ontario, CA to San Antonio, US based on the last 2 days. You can expect to find the cheapest price for the trip at $243 which is on 2025-12-03.
What's the cheapest way to go from Ontario, CA to San Antonio, US?
The bus is the cheapest travel choice for this destination
