Bus Tickets from St. Louis to Ontario, CA

Next departures

Next departures for St. Louis to Ontario on November 4
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Greyhound Lines, Inc. + FlixBus
    		Gateway Station
    		Montclair (Ontario)Cheapest
    Greyhound Lines, Inc.
      		Gateway Station
      		Montclair / Ontario / ClaremontFastest
      Greyhound Lines, Inc.
        		Gateway Station
        		Montclair / Ontario / ClaremontNo tags

        Last refresh of the prices: Today at 8:34 AM CST.

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        Compare 2 ways to go from St. Louis to Ontario

        We recommend taking the train

        Among the sustainable travel choices, the train stands out as the good way to reach Ontario. The journey takes about 2 days, 10 hours 12 minutes and with fares starting at just $242, it presents an excellent value for a comfortable ride.

        1train per day
        2d 10hAverage Duration
        1551 milesDistance
        228kgCO₂ emissions
        Bus
        		Average Price$260 - $396Average Duration1d 20h
        63kg CO₂e
        Train
        		Average Price$242 - $290Average Duration2d 10h
        228kg CO₂e

        Bus St. Louis to Ontario, CA: Trip Overview

        Average ticket price$321
        Average bus trip duration1d 20h
        Number of daily buses3
        Earliest bus departure1:20am
        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
        11/01
        No data
        11/02
        $286
        Today
        No data
        11/04
        $285
        11/05
        No data
        11/06
        No data
        11/07
        No data
        11/08
        No data
        busbud logoThe cheapest trip from St. Louis to Ontario, CA was searched and found on Nov 4, 2025 with a price of $285

        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 $285 to $369 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 $285 which is on 2025-11-04.

        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

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