Bus from San Ysidro, CA to Ontario, CA: Tickets & Schedules

Next bus departures

Next departures for San Ysidro to Ontario on November 29
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Executive LinesBus
    San Ysidro Bus Station
    S Euclid AvenueCheapest
    Executive LinesBus
      San Ysidro Bus Station
      S Euclid AvenueFastest
      FlixBusBus
      San Ysidro Bus terminal
      Montclair (Ontario)No tags
      Greyhound Lines, Inc. + FlixBus
      Bus
      San Ysidro Bus terminal
      Montclair (Ontario)No tags
      Greyhound Lines, Inc.Bus
      San Ysidro Bus terminal
      Montclair / Ontario / ClaremontNo tags

      Last refresh of the prices: Today at 10:48 AM PST.

      Get from San Ysidro to Ontario

      This route is served by bus only

      The journey takes about 4 hours and with fares starting at just $35, it presents an excellent value for a comfortable ride.

      16bus per day
      4hAverage Duration
      110 milesDistance
      4kgCO₂ emissions

      Frequently asked questions about traveling from San Ysidro, CA 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.

      1. How much is the bus ticket from San Ysidro to Ontario?

        The cheapest bus tickets from San Ysidro to Ontario start from $35. The average price for this route is around $45. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

      2. How long is the bus ride from San Ysidro to Ontario?

        The average bus trip duration from San Ysidro to Ontario is 4h, covering a distance of 110 miles (178 km). The quickest bus can get you there in 2h 54m and is operated by Executive Lines.

      3. Which bus companies service the San Ysidro to Ontario route?

        Several major bus companies operate on this route with 16 buses available per day, including services from Executive Lines, Los Limousines, FlixBus, Greyhound.

      4. What is the earliest and latest departure time for the bus from San Ysidro to Ontario?

        The earliest bus departs from San Ysidro to Ontario at 6:00am. And the latest bus departs at 8:00pm.

      5. What are the CO₂ emissions for the bus trip from San Ysidro to Ontario?

        A bus trip from San Ysidro to Ontario generates an estimated 4 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.

      6. What is the best bus company from San Ysidro to Ontario?

        According to Busbud customers, the highest-rated bus company on this route is Executive Lines, with an average rating of 3.6 out of 5 stars based on 83 reviews.

      7. Which bus company has the best Wi-Fi from San Ysidro to Ontario?

        Based on reviews on Busbud, the bus company Executive Lines has the best Wi-Fi rating with a score of 3.4.

      8. Which bus company has the most timely service from San Ysidro to Ontario?

        According to Busbud traveller reviews, the most timely bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.

      9. Which bus company has the cleanest buses from San Ysidro to Ontario?

        According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Executive Lines, with a cleanliness rating of 4.9 out of 5 stars.

      Find cheapest prices for buses

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

      Best price found
      11/26
      $42
      11/27
      $42
      Today
      $42
      11/29
      $42
      11/30
      No data
      12/01
      No data
      12/02
      No data
      12/03
      No data
      busbud logoThe cheapest trip from San Ysidro, CA to Ontario, CA was searched and found on Nov 26, 2025 with a price of $42

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

      You can expect to pay from $42 to $78 for a bus ticket from San Ysidro, CA to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at $42 which is on 2025-11-29.

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