Bus from San Francisco, US to Ontario, CA: Tickets & Schedules

Next bus departures

Next departures for San Francisco to Ontario on November 30
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
FlixBus + Greyhound Lines, Inc.
Bus
409 Townsend St, SF
Montclair (Ontario)Cheapest
Greyhound Lines, Inc.Bus
San Francisco Bus Station
Montclair / Ontario / ClaremontFastest
FlixBus + Greyhound Lines, Inc.
Bus
409 Townsend St, SF
Montclair / Ontario / ClaremontNo tags
Greyhound Lines, Inc. + FlixBus
Bus
San Francisco Bus Station
Montclair (Ontario)No tags
Greyhound Lines, Inc. + FlixBus
Bus
San Francisco Bus Station
Montclair (Ontario)No tags

Last refresh of the prices: Today at 1:15 AM PST.

Get from San Francisco to Ontario

This route is served by bus only

The journey takes about 12 hours 15 minutes and with fares starting at just $88, it presents an excellent value for a comfortable ride.

4bus per day
12h 15mAverage Duration
366 milesDistance
15kgCO₂ emissions

Frequently asked questions about traveling from San Francisco, US 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 Francisco to Ontario?

    The cheapest bus tickets from San Francisco to Ontario start from $88. The average price for this route is around $156. 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 Francisco to Ontario?

    The average bus trip duration from San Francisco to Ontario is 12h 15m, covering a distance of 366 miles (591 km). The quickest bus can get you there in 10h 25m and is operated by Amtrak.

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

    Several major bus companies operate on this route with 4 buses available per day, including services from Amtrak, FlixBus, Greyhound.

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

    The earliest bus departs from San Francisco to Ontario at 6:30am. And the latest bus departs at 10:40pm.

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

    A bus trip from San Francisco to Ontario generates an estimated 15 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 Francisco to Ontario?

    According to Busbud customers, the highest-rated bus company on this route is Amtrak, with an average rating of 4.1 out of 5 stars based on 5597 reviews.

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

    Based on reviews on Busbud, the bus company Amtrak has the best Wi-Fi rating with a score of 3.6.

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

    According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Amtrak, with a cleanliness rating of 4.5 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
11/27
No data
11/28
No data
Today
$191
11/30
$189
12/01
No data
12/02
No data
12/03
No data
12/04
No data
busbud logoThe cheapest trip from San Francisco, US to Ontario, CA was searched and found on Nov 30, 2025 with a price of $189

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

You can expect to pay from $189 to $203 for a bus ticket from San Francisco, US to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at $189 which is on 2025-11-30.

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