Bus Tickets from Ontario, CA to St. Louis

Previously seen trips

Next departures for Ontario to St. Louis on November 7
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Greyhound + FlixBus
    		Montclair (Ontario)
    		St Louis, MONo tags
    Greyhound + FlixBus
      		Montclair (Ontario)
      		Gateway StationNo tags
      FlixBus + Greyhound
        		Montclair (Ontario)
        		Gateway StationNo tags
        Greyhound + FlixBus
          		Montclair (Ontario)
          		Gateway StationNo tags
          FlixBus + Greyhound
            		Montclair (Ontario)
            		Gateway StationNo tags

            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 $195, it presents an excellent value for a comfortable ride.

            4bus per day
            1d 19hAverage Duration
            2490 kmDistance
            62kgCO₂ emissions
            Bus
            		Average Price$195 - $631Average Duration1d 19h
            62kg CO₂e
            Train
            		Average Price$350 - $420Average Duration2d 6h
            228kg CO₂e

            Frequently asked questions about travelling from Ontario, CA to St. Louis by bus

            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
            11-04
            $274
            11-05
            No data
            Today
            No data
            11-07
            No data
            11-08
            No data
            11-09
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            11-10
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            11-11
            No data
            busbud logoThe cheapest trip from Ontario, CA to St. Louis was searched and found on Nov 4, 2025 with a price of $274

            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.

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

            busbud logoThe bus is the cheapest travel choice for this destination

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