Bus Tickets from San Francisco, US to Ontario, CA

Find affordable bus tickets from San Francisco, US to Ontario, CA with flexible options. Book your trip now

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TueJun 24
from $63
WedJun 25
from $71
ThuJun 26
from $65
FriJun 27
from $71
SatJun 28
from $89
SunJun 29
MonJun 30
TueJul 1

Next departures to Ontario

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: June 25 at
    Departure city: San Francisco
    Departure location: 409 Townsend St, SF
    Arrival time: June 26 at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: FlixBusFlixBus
    Vehicle: BusDuration:
  • This trip is recommended because it is: Fastest
    Departure time: June 25 at
    Departure city: San Francisco
    Departure location: Mission St & Fremont St
    Arrival time: June 25 at
    Destination city: Ontario
    Destination location: Ontario Station
    Operated by: AmtrakAmtrak
    Vehicle: BusDuration:
  • Departure time: June 25 at
    Departure city: San Francisco
    Departure location: 409 Townsend St, SF
    Arrival time: June 26 at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: FlixBus + Greyhound Lines, Inc.
    FlixBus + Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: June 25 at
    Departure city: San Francisco
    Departure location: Mission St & Fremont St
    Arrival time: June 25 at
    Destination city: Ontario
    Destination location: Ontario Station
    Operated by: AmtrakAmtrak
    Vehicle: BusDuration:
  • Departure time: June 25 at
    Departure city: San Francisco
    Departure location: San Francisco Bus Station
    Arrival time: June 26 at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:

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Bus San Francisco to Ontario: Trip Overview

Average ticket price$77
Average bus trip duration13h 20m
Number of daily buses3.894736842105263
Earliest bus departure7:30am
Distance366 miles (589 km)
Latest bus departure11:25pm

San Francisco to Ontario Bus

Busbud helps you find a bus from San Francisco to Ontario. Get the best fare and schedule, book a round trip ticket or find buses with WiFi and electrical outlets.

Bus service from San Francisco to Ontario will be provided by the most trusted bus companies.

Discover how much the bus trip from San Francisco to Ontario will cost you. Use our filters and sorting features to find the cheapest bus tickets or luxury buses.

Frequently asked questions for your trip San Francisco, US - Ontario, CA

Find cheapest prices for buses

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

Best price found
06/20
$69
06/21
$81
Today
$70
06/23
$66
06/24
$55
06/25
$63
06/26
$57
06/27
$67
busbud logoThe cheapest trip from San Francisco to Ontario was searched and found on Jun 24, 2025 with a price of $55

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

You can expect to pay from $55 to $584 for a bus ticket from San Francisco to Ontario based on the last 2 days. You can expect to find the cheapest price for the trip at $55 which is on 2025-06-24.

Usually Amtrak will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.

About Bus Travel

Bus Travel Tips

Make friends with the driver. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between San Francisco and Ontario!

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

Buses have one of the smallest carbon footprints of motorized transport modes. A bus going from San Francisco to Ontario will emit less CO2 than a car or an airplane.

Create your own real life musical score by curating a personalized bus travel playlist - the perfect accompaniment to your bus ride from San Francisco to Ontario.

Did you know?

It takes 27 hours to go by bus from Lima to Cusco, one of the craziest bus trips on the world. This route is used daily by locals and backpackers.

9.2% of ground transportation in Europe is done by bus versus 7.4% by train.

Did you know there are on average 4,400 intercity bus departures every day in the US only? This number has been growing for 9 years in a row, yay!

Will you be returning to San Francisco by bus?

Bus from San Francisco to Ontario

You can also go to Ontario by train

Train from San Francisco to Ontario

Why choose Busbud?

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