Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
Greyhound Lines, Inc. + FlixBus | Bus | Gateway Station | Montclair (Ontario) | Cheapest | ||||
 | Bus | Gateway Station | Montclair / Ontario / Claremont | Fastest | ||||
Greyhound Lines, Inc. + FlixBus | Bus | Gateway Station | Montclair (Ontario) | No tags | ||||
| Bus | Gateway Station | Montclair / Ontario / Claremont | No tags | ||||
Greyhound Lines, Inc. + FlixBus | Bus | Saint Louis (Lambert Field) | Montclair (Ontario) | No tags |
Last refresh of the prices: Today at 6:18 AM CST.
Compare 2 ways to travel from St. Louis to Ontario
Among the sustainable travel choices, the Bus stands out as a good way to reach Ontario. The journey takes about 1 day, 20 hours 25 minutes and with fares starting at just R 3 520, it presents an excellent value for a comfortable ride.
Where are the popular stops in St. Louis 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
Compare bus companies
Based on 87518 reviews, the company was rated 3.5 stars on Busbud. Travellers were especially satisfied with the ticket access and the temperature but often complained about the Wi-Fi. Greyhound ticket prices on this trip start at R 3 520
Frequently asked questions about travelling from St. Louis 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 St. Louis to Ontario?
The cheapest bus tickets from St. Louis to Ontario start at R 3 520. The average price for this route is around R 3 963. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from St. Louis to Ontario?
The average bus journey time from St. Louis to Ontario is 1d 20h, covering a distance of 2504 km. The fastest bus gets you there in 1d 15h and is operated by Greyhound.
Which bus companies service the St. Louis to Ontario route?
Several major bus companies operate on this route with 3 buses available per day.
What is the earliest and latest departure time for the bus from St. Louis to Ontario?
The earliest bus departs from St. Louis to Ontario at 01:20. And the latest bus departs at 16:30.
What are the CO₂ emissions for the bus trip from St. Louis to Ontario?
A bus trip from St. Louis to Ontario produces an estimated 63 kg of CO₂, making it a highly eco-friendly travel option and Busbud’s recommended way to travel.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from St. Louis to Ontario, CA was searched and found on 30 Jan 2026 with a price of R 3 681To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from St. Louis to Ontario, CA as early as possible.
You can expect to pay from R 3 681 to R 3 730 for a bus ticket from St. Louis to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at R 3 681, which is on 2026-01-30.
What's the cheapest way to go from St. Louis to Ontario, CA?
The Bus is the cheapest travel choice for this destination
