Bus Tickets from Ontario, CA to St. Louis

Next departures

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

        Last refresh of the prices: Today at 2:42 PM PST.

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        Compare 2 ways to go from Ontario to St. Louis

        We recommend taking the bus

        Among the sustainable travel choices, the bus stands out as a good way to reach St. Louis. The journey takes about 1 day, 19 hours 15 minutes, and with fares starting at just $194, it presents an excellent value for a comfortable ride.

        4bus per day
        1d 19hAverage Duration
        2490 kmDistance
        62kgCO₂ emissions
        Bus
        		Average Price$194 - $629Average Duration1d 19h
        62kg CO₂e
        Train
        		Average Price$348 - $418Average Duration2d 6h
        228kg CO₂e

        Bus Ontario, CA to St. Louis: Trip Overview

        Average Ticket Price$341
        Average Bus Trip Duration1d 19h
        Number of daily buses4
        Earliest bus departure1:30am
        Distance2490 km
        Latest bus departure9:05pm

        Ontario to St. Louis Bus

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

        Bus service from Ontario to St. Louis will be provided by the most trusted bus companies.

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

        Frequently asked questions on the trip Ontario, CA - St. Louis

        1. What is the distance between Ontario and St. Louis?

          The distance between Ontario and St. Louis is approximately 2504 km (1553 miles).

        2. What are the departure and arrival locations for buses traveling from Ontario to St. Louis?

          Buses departing from Ontario California Bus Stop Carl's Jr & Teriyaki House in Ontario will take you to Gateway Station in St. Louis.

        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
        No data
        Today
        No data
        11-04
        $273
        11-05
        No data
        11-06
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        11-07
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        11-08
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        busbud logoThe cheapest trip from Ontario, CA to St. Louis was searched and found on Nov 4, 2025 with a price of $273

        To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ontario, CA to St. Louis, as early as possible.

        You can expect to pay from $273 to $398 for a bus ticket from Ontario, CA to St. Louis based on the last 2 days. You can expect to find the cheapest price for the trip at $273 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 Ontario to St. Louis but it'll also be endearing to native speakers who will surely appreciate your effort.

        Much more than a mere vehicle taking you from Ontario to St. Louis, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.

        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 Ontario to St. Louis that are otherwise impossible to come by with a plane.

        Tune out to the fine sounds of your best music playlist on your bus trip from Ontario to St. Louis while indulging in miles on end of beautiful scenic views.

        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 some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

        The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

        What's the cheapest way to go from Ontario, CA to St. Louis?

        busbud logoThe bus is the cheapest travel choice for this destination

        Will you be returning to Ontario, CA by bus?

        Bus from St. Louis to Ontario, CA

        You can also go to St. Louis by train

        Train from Ontario, CA to St. Louis

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