Previously seen trips
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
Greyhound + FlixBus | Bus | Gateway Station | Montclair (Ontario) | No tags | ||||
FlixBus + Greyhound | Bus | St Louis, MO | Montclair (Ontario) | No tags | ||||
Greyhound + FlixBus | Bus | Gateway Station | Montclair (Ontario) | No tags | ||||
FlixBus + Greyhound | Bus | Gateway Station | Montclair (Ontario) | No tags | ||||
FlixBus + Greyhound | Bus | Gateway Station | Montclair (Ontario) | No tags |
Compare 2 ways to go from St. Louis to Ontario
Among the sustainable travel choices, the Bus stands out as the good way to reach Ontario. The journey takes about 1 day, 20 hours 25 minutes and with fares starting at just $242, it presents an excellent value for a comfortable ride.
Where are the popular stops in St. Louis and Ontario?
Compare bus companies
Greyhound Lines offers the most comprehensive intercity bus services in the United States. They operate a modern, environmentally friendly fleet that serves more than 2400 destinations and carries nearly 16 million passengers annually. When traveling with them, you can expect free WiFi, onboard entertainment, bathrooms, power outlets and decent legroom. One of the great perks of Greyhound is that they connect big cities and smaller towns in the US, where you usually can't get to by train or plane. If you're looking for safe and affordable transportation, Greyhound is a great choice.
Frequently asked questions about traveling from St. Louis to Ontario, CA 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 St. Louis to Ontario?
The cheapest bus tickets from St. Louis to Ontario start from $242. The average price for this route is around $336. 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 St. Louis to Ontario?
The average bus trip duration from St. Louis to Ontario is 1d 20h, covering a distance of 1552 miles (2504 km). The quickest bus can get you there in 1d 15h and is operated by Greyhound.
Which bus companies service the St. Louis to Ontario route?
Several major train operators operate on this route with 3 trains 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 1:20am. And the latest bus departs at 4:30pm.
What are the CO₂ emissions for the bus trip from St. Louis to Ontario?
A bus trip from St. Louis to Ontario generates an estimated 63 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
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 Jan 13, 2026 with a price of $234To 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.
What's the cheapest way to go from St. Louis to Ontario, CA?
The Bus is the cheapest travel choice for this destination
