Which bus from Ontario, CA to San Francisco is the cheapest?

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Compare all timetables for the bus from Ontario, CA to San Francisco

Here is a selection of the cheapest bus trips from the schedule from Ontario, CA to San Francisco from various bus operators like Greyhound US for the next days.

today
tomorrow
Monday
Tuesday
$71
Wednesday
Thursday
Friday
$81

Cheapest bus trips Tuesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 13h 55m 3:55 AM Ontario, CA Montclair Place 5:50 PM San Francisco 5th/Townsend  Economy $71
Greyhound US 19h 10m 3:55 AM Ontario, CA Montclair Place 11:05 PM San Francisco Bus Station Transbay  Economy $75
Greyhound US 12h 15m 6:55 PM Ontario, CA Montclair Place 7:10 AM San Francisco Bus Station Transbay  Economy $109

Cheapest bus trips Friday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 18h 10m 3:55 AM Ontario, CA Montclair Place 10:05 PM San Francisco Bus Station Transbay  Economy $81
Greyhound US 12h 15m 6:55 PM Ontario, CA Montclair Place 7:10 AM San Francisco Bus Station Transbay  Economy $106
Greyhound US 15h 10m 6:55 PM Ontario, CA Montclair Place 10:05 AM San Francisco 5th/Townsend  Economy $107
  • Did you know that if you travel from Ontario, CA to San Francisco via El Monte, CA, you can save more than $18? You can find the corresponding connections below.
    • Greyhound US
      13h 55m
      0
      3:55 AM
      Ontario, CA
      Montclair Place
      4:25 AM
      El Monte, CA
      Bus Stop
      0
      Greyhound US
      Economy
      $9
      • Waiting Time 0h 5m
    • Greyhound US
      13h 20m
      0
      4:30 AM
      El Monte, CA
      Bus Stop
      5:50 PM
      San Francisco
      5th/Townsend
      0
      Greyhound US
      Economy
      $54
    Travel time is 1h 40m longer, but you will save $18

Best Price Offer: The price for the cheapest bus from Ontario, CA to San Francisco is $54 on 8/5/2026. Flexible travelers save on ticket prices.


Frequency of bus connections between Ontario, CA and San Francisco

See here how frequent the connections between Ontario, CA and San Francisco are, during different times and days of the week.
Tuesday is the busiest day, with more than 3 daily buses from Ontario, CA to San Francisco. Tuesday has instead the fewest connections, with only 3 daily coaches between Ontario, CA and San Francisco.
The busiest time of the day is the Evening, with 3 buses from Ontario, CA to San Francisco, while Evening sees the fewest connections between Ontario, CA and San Francisco, with 3 offers.

Facts about the bus from Ontario, CA to San Francisco

Compare all providers like Greyhound US that travel 3 times every day by bus from Ontario, CA to San Francisco in one click! Book your bus ticket from Ontario, CA to San Francisco starting from $54!

Cheapest Bus $54
Fastest Bus 12h 15m
Earliest Bus 3:55 AM
Latest Bus 6:55 PM
Daily Bus Routes 3 Ø
Distance 369.2 miles
Bus Companies Greyhound US

Cheapest bus connections from Ontario, CA to San Francisco

Every day, 3 buses from 1 bus companies leave Ontario, CA for San Francisco: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 07/25/2026 and for the following days.

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday 07/19
Monday 07/20
Tuesday 07/21
Wednesday 07/22
Thursday 07/23
Friday 07/24
Saturday 07/25
$65
Sunday 07/26
$71
Monday 07/27
$73
Tuesday 07/28
$71
Wednesday 07/29
Thursday 07/30
Friday 07/31
$77
Saturday 08/01
Sunday 08/02
$69
Monday 08/03
$79
Tuesday 08/04
$69
Wednesday 08/05
$54
Thursday 08/06
$79
Friday 08/07
$66
Saturday 08/08
Sunday 08/09
$73
Monday 08/10
$77
Tuesday 08/11
$71
Wednesday 08/12
$67
Thursday 08/13
$83
Friday 08/14
Saturday 08/15

The cheapest time to travel from Ontario, CA to San Francisco

See here on which day and which time of the day you can find the cheapest bus ticket from Ontario, CA to San Francisco, for the next 30 days.
With a price starting from $66, Friday is the cheapest day for a bus from Ontario, CA to San Francisco. Tuesday instead is the most expensive day with prices starting from $69.
Night is the cheapest day time for bus tickets from Ontario, CA to San Francisco, with $54. Evening is the most expensive time of the day with prices starting from $106.

How to save money travelling from Ontario, CA to San Francisco

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Ontario, CA to San Francisco in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Ontario, CA to San Francisco, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Ontario, CA to San Francisco are also emptier.

All bus stations and stops in Ontario, CA and San Francisco

In the map below, you can see where to find all bus stations in Ontario, CA and San Francisco.

Service and Comfort on the bus from Ontario, CA to San Francisco

Want to know which seat classes are available on the buses from Ontario, CA to San Francisco? Or which bus companies serve the route Ontario, CA to San Francisco? Below you will find answers to your questions.

FAQs about the Ontario, CA to San Francisco bus

How much does a Ontario, CA San Francisco bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $54 and takes 13h 55m to reach San Francisco. Compare offers to save money!

How much could I save by comparing buses from Ontario, CA to San Francisco?

This route is offered by 1 companies with a range of ticket prices between $54 and $109. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to San Francisco.

On average, how many connections are available from Ontario, CA to San Francisco each day?

Every day, the Ontario, CA to San Francisco bus route is served by approximately 3 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Ontario, CA to San Francisco take?

The fastest bus from Ontario, CA to San Francisco is offered by Greyhound US and takes 12h 15m. Bus tickets for this connection cost $109. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Ontario, CA to San Francisco?

The earliest bus arriving in San Francisco from Ontario, CA starts at 3:55 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from Ontario, CA to San Francisco?

The latest bus trip departing from Ontario, CA for San Francisco starts at 6:55 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Ontario, CA San Francisco route?

When traveling by bus from Ontario, CA to San Francisco, passengers can travel with Greyhound US. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Ontario, CA and San Francisco?

You can check all the direct connections between Ontario, CA and San Francisco by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: Greyhound US.

What can I take with me on the Ontario, CA to San Francisco bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Ontario, CA San Francisco bus route free of charge. Simply use our search to find a bus that is best suited to your needs for your planned travel date.

What equipment is available for the Ontario, CA San Francisco bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Ontario, CA to San Francisco on your planned travel date.

How does CheckMyBus find the best bus deals from Ontario, CA to San Francisco?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 3 daily trips between Ontario, CA and San Francisco. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from Ontario, CA to San Francisco?

Prices and availability for 3 trips between Ontario, CA and San Francisco change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

Available seat classes which are offered on the bus route Ontario, CA to San Francisco

Economy
Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Ontario, CA and to San Francisco

Here’s an overview of the most popular bus routes to Ontario, CA and to San Francisco. Simply click on the connection of your choice, and you will find all the details about your bus route!
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