What is the distance between San Diego and Ontario?

The distance separating San Diego and Ontario is 98 miles (157 km).

What are the departure and arrival stations when taking the bus from San Diego to Ontario?

If you're headed to Ontario from San Diego, chances are that your bus will leave from Mission Valley Sheraton and arrive at Ontario California Bus Stop Carl's Jr & Teriyaki House. These are the most popular departure and arrival locations on this route, but you could find others that could be a better fit for your travel plans.

Bus San Diego to Ontario from $20 | Refundable Tickets

Next bus departures

Next departures for San Diego to Ontario on November 13
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
FlixBus + Greyhound Lines, Inc.	Bus	1:45pm	Downtown SD (Seaport)	5h 10m	6:55pm	Montclair / Ontario / Claremont	Cheapest
	Bus	4:30pm	Cross Border Xpress CBX (USA)	3h 20m	7:50pm	Ontario Convention Center	Fastest
	Bus	4:15pm	UCSD Health La Jolla Station	9h 15m	1:30am	Montclair (Ontario)	No tags
FlixBus + Greyhound Lines, Inc.	Bus	2:10pm	UCSD Health La Jolla Station	4h 45m	6:55pm	Montclair / Ontario / Claremont	No tags
	Bus	11:30am	Cross Border Xpress CBX (USA)	5h 30m	5:00pm	Ontario Convention Center	No tags
Greyhound Lines, Inc. + FlixBus	Bus	7:35pm	Greyhound Bus Stop	5h 55m	1:30am	Montclair (Ontario)	No tags
	Bus	12:30pm	Cross Border Xpress CBX (USA)	4h 30m	5:00pm	Ontario Convention Center	No tags
	Bus	1:30pm	Cross Border Xpress CBX (USA)	8h 55m	10:25pm	Ontario Convention Center	No tags

Next departures for San Diego to Ontario on November 14
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
	Bus	6:45am	Greyhound Bus Stop	7h 10m	1:55pm	Montclair / Ontario / Claremont	Cheapest
	Bus	4:30pm	Cross Border Xpress CBX (USA)	3h 20m	7:50pm	Ontario Convention Center	Fastest
	Bus	7:35am	San Diego (Old Town-FlixBus)	5h 55m	1:30pm	Montclair (Ontario)	No tags
FlixBus + Greyhound Lines, Inc.	Bus	12:15pm	San Diego (Old Town-FlixBus)	6h 40m	6:55pm	Montclair / Ontario / Claremont	No tags
	Bus	10:30am	Cross Border Xpress CBX (USA)	6h 30m	5:00pm	Ontario Convention Center	No tags
	Bus	7:55am	UCSD Health La Jolla Station	5h 35m	1:30pm	Montclair (Ontario)	No tags
FlixBus + Greyhound Lines, Inc.	Bus	2:10pm	UCSD Health La Jolla Station	4h 45m	6:55pm	Montclair / Ontario / Claremont	No tags
	Bus	11:30am	Cross Border Xpress CBX (USA)	5h 30m	5:00pm	Ontario Convention Center	No tags

Last refresh of the prices: Yesterday at 9:21 PM PST.

Get from San Diego to Ontario

This route is served by bus only

The journey takes about 5 hours 55 minutes and with fares starting at just $27, it presents an excellent value for a comfortable ride.

17bus per day

5h 55mAverage Duration

111 milesDistance

4kgCO₂ emissions

Compare bus companies

Los Limousines

3.5/5265 reviews

Staff4.3

Timeliness2.8

Cleanliness3.9

Wifi2.8

FlixBus

3.5/511,294 reviews

Staff4.1

Timeliness3.9

Cleanliness4.1

Wifi2.7

Flixbus is a European bus operator that offers intercity and bus travel in over 38 countries. Known for their easy-to-spot lime green buses and for offering affordable transportation between cities in Europe and the Americas, Flixbus is a good option for those looking for an affordable, reliable bus company. In their buses, you'll find free WiFi, bathrooms, and power outlets. You can also pay extra to choose your seat and get extra legroom, or even buy a snack or drink onboard directly from the driver. You can reschedule your ticket for a small fee, which varies from $1 to $5, depending on how close you are to the departure date.

FlixBus San Diego Ontario recent customer reviews

I came and the bus was super late and threw my schedule off i missed flights and got stranded in Nebraska

Patrick W.

August 12, 2024

Greyhound

3.5/587,370 reviews

Staff3.6

Timeliness2.9

Cleanliness3.3

Wifi2.4

Greyhound Lines offers the most comprehensive intercity bus services in the United States. They operate a modern, environmentally friendly fleet that serves more than 2400 destinations and carries nearly 16 million passengers annually. When traveling with them, you can expect free WiFi, onboard entertainment, bathrooms, power outlets and decent legroom. One of the great perks of Greyhound is that they connect big cities and smaller towns in the US, where you usually can't get to by train or plane. If you're looking for safe and affordable transportation, Greyhound is a great choice.

US bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Where are the popular stops in San Diego and Ontario?

Stops in San Diego

A - Mission Valley Sheraton

B - Old Town Courtyard Marriot

C - Downtown Holiday Inn

D - Greyhound Station

E - Market St. & Park Blvd

F - San Ysidro McDonald's

Stops in Ontario

A - Ontario California Bus Stop Carl's Jr & Teriyaki House

B - Ontario Tufesa Bus Stop

Frequently asked questions about traveling from San Diego, CA, US to Ontario, CA by bus

What is the distance between San Diego and Ontario?
What are the departure and arrival stations when taking the bus from San Diego to Ontario?

Find cheapest prices for buses

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

Best price found

11/11

$45

11/12

$21

Today

$41

11/14

$42

11/15

No data

11/16

$31

11/17

$30

11/18

$27

The cheapest trip from San Diego, CA, US to Ontario, CA was searched and found on Nov 12, 2025 with a price of $21

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

You can expect to pay from $21 to $58 for a bus ticket from San Diego, CA, US to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at $27 which is on 2025-11-18.

Usually Los Limousines 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.