Find coaches from San Ysidro, CA to Ontario, CA

Find affordable coach tickets from San Ysidro, CA to Ontario, CA with flexible options. Book your journey now

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Tomorrow11 Aug
from US$37
Tue12 Aug
from US$35
Wed13 Aug
from US$35
Thu14 Aug
from US$42
Fri15 Aug
from US$42
Sat16 Aug
from US$36
Sun17 Aug
from US$42
Mon18 Aug

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: 11 August at
    Departure city: San Ysidro
    Departure location: San Ysidro Bus terminal
    Arrival time: 11 August at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: FlixBusFlixBus
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: 11 August at
    Departure city: San Ysidro
    Departure location: San Ysidro Bus Station
    Arrival time: 11 August at
    Destination city: Ontario
    Destination location: S Euclid Avenue
    Operated by: Executive LinesExecutive Lines
    Vehicle: BusDuration:
  • Departure time: 11 August at
    Departure city: San Ysidro
    Departure location: San Ysidro Bus terminal
    Arrival time: 12 August at
    Destination city: Ontario
    Destination location: Montclair (Ontario)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • Departure time: 11 August at
    Departure city: San Ysidro
    Departure location: San Ysidro Bus terminal
    Arrival time: 11 August at
    Destination city: Ontario
    Destination location: Montclair / Ontario / Claremont
    Operated by: Greyhound Lines, Inc.Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: 11 August at
    Departure city: San Ysidro
    Departure location: San Ysidro Bus Station
    Arrival time: 11 August at
    Destination city: Ontario
    Destination location: S Euclid Avenue
    Operated by: Executive LinesExecutive Lines
    Vehicle: BusDuration:

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Bus San Ysidro, CA to Ontario, CA: Trip Overview

Average ticket priceUS$42
Average bus trip duration3h 50m
Number of daily buses15
Earliest bus departure06:30
Distance109 miles
Latest bus departure20:00

San Ysidro to Ontario Bus

With Busbud, comparing and booking tickets for a bus from San Ysidro to Ontario is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

We make it our job to connect you with the most dependable bus companies that cover bus service from San Ysidro to Ontario.

Whether it is cheap bus tickets or more luxurious buses going to Ontario from San Ysidro, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions on the trip San Ysidro, CA - Ontario, CA

  1. How far is Ontario from San Ysidro by coach?

    The distance between San Ysidro and Ontario by coach is approximately 110 miles (178 km).

  2. Is there a way to reach Ontario from San Ysidro without a car?

    You can travel to Ontario from San Ysidro by coach, which provides a smooth ride and an affordable and convenient trip. Depending on your preferences, carpooling can also be considered as an option.

Find cheapest prices for buses

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

Best price found
08/08
US$30
09/08
US$42
Today
US$42
11/08
US$29
12/08
US$27
13/08
US$28
14/08
US$36
15/08
US$37
busbud logoThe cheapest trip from San Ysidro, CA to Ontario, CA was searched and found on 12 Aug 2025 with a price of US$27

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 US$27 to US$68 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 US$27, which is on 2025-08-12.

Usually LLIO 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

Meet and talk to locals at the bus stations while travelling from San Ysidro to Ontario.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

From miles long of beauteous natural landscapes to impressive man-crafted sights, you’re bound to be in for a visual treat on your bus trip from San Ysidro to Ontario.

Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from San Ysidro to Ontario.

Tune out to the fine sounds of your best music playlist on your bus trip from San Ysidro to Ontario while indulging in miles on end of beautiful scenic views.

Did you know?

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

Will you be returning to San Ysidro, CA by bus?

Bus from San Ysidro, CA to Ontario, CA

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