How far is Ontario from San Ysidro by coach?

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

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.

Bus San Ysidro to Ontario from £24 | Refundable Tickets

Next bus departures

Next departures from San Ysidro to Ontario on 24 November
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
	Bus	10:00	San Ysidro Bus Station	2h 55m	12:55	S Euclid Avenue	Cheapest
	Bus	20:00	San Ysidro Bus Station	2h 54m	22:54	S Euclid Avenue	Fastest
Greyhound Lines, Inc. + FlixBus	Bus	19:00	San Ysidro Bus terminal	6h 30m	01:30	Montclair (Ontario)	No tags
	Bus	12:00	San Ysidro Bus Station	2h 55m	14:55	S Euclid Avenue	No tags
	Bus	11:00	San Ysidro Greyhound Bus Station	6h	17:00	Ontario Convention Center	No tags

Next departures from San Ysidro to Ontario on 25 November
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
	Bus	08:45	San Ysidro Bus Station	2h 55m	11:40	S Euclid Avenue	Cheapest
	Bus	20:00	San Ysidro Bus Station	2h 54m	22:54	S Euclid Avenue	Fastest
	Bus	06:55	San Ysidro Bus terminal	6h 35m	13:30	Montclair (Ontario)	No tags
Greyhound Lines, Inc. + FlixBus	Bus	19:00	San Ysidro Bus terminal	6h 30m	01:30	Montclair (Ontario)	No tags
	Bus	06:00	San Ysidro Bus terminal	7h 55m	13:55	Montclair / Ontario / Claremont	No tags

Last refresh of the prices: Yesterday at 08:02 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 £27, it presents an excellent value for a comfortable ride.

16bus per day

4hAverage duration

109 milesDistance

4kgCO₂ emissions

Where are the popular stops in San Ysidro and Ontario?

Stops in San Ysidro

A
San Ysidro Greyhound Bus Station
731 E San Ysidro Blvd, San Ysidro, CA 92173
Visit page

Stops in Ontario

A
Ontario California Bus Stop Carl's Jr & Teriyaki House
1625 E 4th St, Ontario, CA 91764, USA
B
Ontario Tufesa Bus Stop
1739 S Euclid Ave, Ontario, CA 91762, USA

Compare bus companies

Executive Lines

3.5/583 reviews

Staff4.1

Timeliness3.6

Cleanliness4.9

WiFi3.5

Los Limousines

3.5/5267 reviews

Staff4.2

Timeliness2.8

Cleanliness3.9

WiFi2.8

FlixBus

3.5/511,422 reviews

Staff4.2

Timeliness3.9

Cleanliness4.1

WiFi2.7

Greyhound

3.5/587,393 reviews

Staff3.6

Timeliness2.9

Cleanliness3.3

WiFi2.4

US Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about travelling by bus from San Ysidro, CA to Ontario, CA

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

22/11

£23

23/11

£33

Today

£33

25/11

£33

26/11

No data

27/11

No data

28/11

No data

29/11

No data

The cheapest trip from San Ysidro, CA to Ontario, CA was searched and found on 22 Nov 2025 with a price of £23

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 £23 to £49 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 £33, which is on 2025-11-25.