Bus Tickets from St. Louis to Ontario, CA

Next departures

Next departures for St. Louis to Ontario on September 2
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Greyhound Lines, Inc.
Gateway Station
Montclair / Ontario / ClaremontCheapestFastest
Greyhound Lines, Inc. + FlixBus
Gateway Station
Montclair (Ontario)No tags
Greyhound Lines, Inc.
Gateway Station
Montclair / Ontario / ClaremontNo tags
Greyhound Lines, Inc. + FlixBus
Gateway Station
Montclair (Ontario)No tags
Greyhound Lines, Inc.
Gateway Station
Montclair / Ontario / ClaremontNo tags

Accepted payments

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Compare 2 ways to go from St. Louis to Ontario.

Bus
Average Price$143 - $413Average Duration1d 19h
63kg CO₂e5 out of 5 stars
CheapestFastestMost eco-friendly
Train
Average Price$166 - $242Average Duration2d 10h
228kg CO₂e1 out of 5 stars
busbud logoBusbud recommends taking the bus 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, 19 hours 45 minutes and with fares starting at just $143, it presents an excellent value for a comfortable ride.

7bus per day
1d 19hAverage Duration
$143Cheapest ticket
63kgCO₂ emissions

Bus St. Louis to Ontario, CA: Trip Overview

Average ticket price$238
Average bus trip duration1d 19h
Number of daily buses7
Earliest bus departure1:15am
Distance1552 miles (2503 km)
Latest bus departure4:30pm

St. Louis to Ontario Bus

Busbud shows you the best bus ticket fares and bus schedules so you can easily plan and book a trip by bus from St. Louis to Ontario.

We make sure you can find a bus service from St. Louis to Ontario from the most reliable bus companies operating this trip.

From cheap bus tickets to more luxurious buses traveling from St. Louis to Ontario, we offer a wide range of bus services to best suit your needs depending on how much your budget is.

Frequently asked questions for your trip St. Louis - Ontario, CA

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
08/26
$139
08/27
No data
Today
No data
08/29
No data
08/30
No data
08/31
No data
09/01
No data
09/02
$241
busbud logoThe cheapest trip from St. Louis to Ontario, CA was searched and found on Aug 26, 2025 with a price of $139

To 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 $139 to $265 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 $241 which is on 2025-09-02.

About Bus Travel

Bus Travel Tips

If you're abroad, study some local language. Not only could it get you out of a pickle during your bus trip from St. Louis to Ontario but it'll also be endearing to native speakers who will surely appreciate your effort.

Start sightseeing the minute your bus leaves the station. If you're on the night bus from St. Louis to Ontario, get comfy and count the stars.

Taking the bus creates the smallest carbon footprint compared to other modes of transport. Not to mention that buses will allow you to discover scenic gems from St. Louis to Ontario that are otherwise impossible to come by with a plane.

Make a music playlist for your bus ride from St. Louis to Ontario, and enjoy the scenery to tunes from your own personal soundtrack.

Did you know?

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travelers have used their electronic device on board during 2014.

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

Will you be returning to St. Louis by bus?

Bus from Ontario, CA to St. Louis

You can also go to Ontario, CA by train

Train from St. Louis to Ontario, CA

Why choose Busbud?

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