Bus San Diego to Ontario, CA: Compare prices and save money

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

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

today

$40

tomorrow

$31

Friday

$38

Saturday

Sunday

$44

Monday

Tuesday

$34

Cheapest bus trips today
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	7h 55m	6:00 AM	San Diego	San Ysidro Transit Center	1:55 PM	Ontario, CA	Montclair Place	Economy	$40	A Bus from Greyhound US goes from San Ysidro Transit Center, San Diego (USA) at 12/24/2025 6:00:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/24/2025 1:55:00 PM. 50 Economy ticket for $40 per person are available. Travel duration is 7h 55m
Greyhound US	6h 30m	7:00 PM	San Diego	San Ysidro Transit Center	1:30 AM	Ontario, CA	Montclair Place	Economy	$40	A Bus from Greyhound US goes from San Ysidro Transit Center, San Diego (USA) at 12/24/2025 7:00:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/25/2025 1:30:00 AM. 50 Economy ticket for $40 per person are available. Travel duration is 6h 30m
FlixBus	6h 35m	6:55 AM	San Diego	San Ysidro Transit Center	1:30 PM	Ontario, CA	Montclair Place	Economy	$40	A Bus from FlixBus goes from San Ysidro Transit Center, San Diego (USA) at 12/24/2025 6:55:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/24/2025 1:30:00 PM. 50 Economy ticket for $40 per person are available. Travel duration is 6h 35m
FlixBus	5h 40m	1:15 PM	San Diego	San Ysidro Transit Center	6:55 PM	Ontario, CA	Montclair Place	Economy	$40	A Bus from FlixBus goes from San Ysidro Transit Center, San Diego (USA) at 12/24/2025 1:15:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/24/2025 6:55:00 PM. 50 Economy ticket for $40 per person are available. Travel duration is 5h 40m
Limousine Express	6h 0m	11:00 AM	San Diego	San Ysidro Transit Center	5:00 PM	Ontario, CA	Convention Center	Basic	$44	A Bus from Limousine Express goes from San Ysidro Transit Center, San Diego (USA) at 12/24/2025 11:00:00 AM to Convention Center, Ontario, CA (USA) arriving at 12/24/2025 5:00:00 PM. 50 Basic ticket for $44 per person are available. Travel duration is 6h 0m

Cheapest bus trips tomorrow
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	7h 10m	6:45 AM	San Diego	Old Town Transit Center	1:55 PM	Ontario, CA	Montclair Place	Economy	$31	A Bus from Greyhound US goes from Old Town Transit Center, San Diego (USA) at 12/25/2025 6:45:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/25/2025 1:55:00 PM. 50 Economy ticket for $31 per person are available. Travel duration is 7h 10m
FlixBus	5h 55m	7:35 AM	San Diego	Old Town Transit Center	1:30 PM	Ontario, CA	Montclair Place	Economy	$31	A Bus from FlixBus goes from Old Town Transit Center, San Diego (USA) at 12/25/2025 7:35:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/25/2025 1:30:00 PM. 50 Economy ticket for $31 per person are available. Travel duration is 5h 55m
FlixBus	5h 35m	8:20 AM	San Diego	Old Town Transit Center	1:55 PM	Ontario, CA	Montclair Place	Economy	$31	A Bus from FlixBus goes from Old Town Transit Center, San Diego (USA) at 12/25/2025 8:20:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/25/2025 1:55:00 PM. 50 Economy ticket for $31 per person are available. Travel duration is 5h 35m
FlixBus	5h 10m	1:45 PM	San Diego	Seaport Village	6:55 PM	Ontario, CA	Montclair Place	Economy	$31	A Bus from FlixBus goes from Seaport Village, San Diego (USA) at 12/25/2025 1:45:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/25/2025 6:55:00 PM. 50 Economy ticket for $31 per person are available. Travel duration is 5h 10m
Greyhound US	5h 55m	7:35 PM	San Diego	Old Town Transit Center	1:30 AM	Ontario, CA	Montclair Place	Economy	$37	A Bus from Greyhound US goes from Old Town Transit Center, San Diego (USA) at 12/25/2025 7:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/26/2025 1:30:00 AM. 50 Economy ticket for $37 per person are available. Travel duration is 5h 55m

Cheapest bus trips Friday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	7h 10m	6:45 AM	San Diego	Old Town Transit Center	1:55 PM	Ontario, CA	Montclair Place	Economy	$38	A Bus from Greyhound US goes from Old Town Transit Center, San Diego (USA) at 12/26/2025 6:45:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/26/2025 1:55:00 PM. 50 Economy ticket for $38 per person are available. Travel duration is 7h 10m
FlixBus	5h 35m	7:55 AM	San Diego	La Jolla Village	1:30 PM	Ontario, CA	Montclair Place	Economy	$38	A Bus from FlixBus goes from La Jolla Village, San Diego (USA) at 12/26/2025 7:55:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/26/2025 1:30:00 PM. 50 Economy ticket for $38 per person are available. Travel duration is 5h 35m
FlixBus	4h 45m	2:10 PM	San Diego	La Jolla Village	6:55 PM	Ontario, CA	Montclair Place	Economy	$38	A Bus from FlixBus goes from La Jolla Village, San Diego (USA) at 12/26/2025 2:10:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/26/2025 6:55:00 PM. 50 Economy ticket for $38 per person are available. Travel duration is 4h 45m
FlixBus	5h 55m	7:35 AM	San Diego	Old Town Transit Center	1:30 PM	Ontario, CA	Montclair Place	Economy	$39	A Bus from FlixBus goes from Old Town Transit Center, San Diego (USA) at 12/26/2025 7:35:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/26/2025 1:30:00 PM. 50 Economy ticket for $39 per person are available. Travel duration is 5h 55m
Greyhound US	5h 55m	7:35 PM	San Diego	Old Town Transit Center	1:30 AM	Ontario, CA	Montclair Place	Economy	$43	A Bus from Greyhound US goes from Old Town Transit Center, San Diego (USA) at 12/26/2025 7:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/27/2025 1:30:00 AM. 50 Economy ticket for $43 per person are available. Travel duration is 5h 55m

Cheapest bus trips Sunday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	5h 55m	7:35 PM	San Diego	Old Town Transit Center	1:30 AM	Ontario, CA	Montclair Place	Economy	$44	A Bus from Greyhound US goes from Old Town Transit Center, San Diego (USA) at 12/28/2025 7:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/29/2025 1:30:00 AM. 50 Economy ticket for $44 per person are available. Travel duration is 5h 55m
FlixBus	5h 55m	7:35 AM	San Diego	Old Town Transit Center	1:30 PM	Ontario, CA	Montclair Place	Economy	$44	A Bus from FlixBus goes from Old Town Transit Center, San Diego (USA) at 12/28/2025 7:35:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/28/2025 1:30:00 PM. 50 Economy ticket for $44 per person are available. Travel duration is 5h 55m
FlixBus	5h 10m	1:45 PM	San Diego	Seaport Village	6:55 PM	Ontario, CA	Montclair Place	Economy	$44	A Bus from FlixBus goes from Seaport Village, San Diego (USA) at 12/28/2025 1:45:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/28/2025 6:55:00 PM. 50 Economy ticket for $44 per person are available. Travel duration is 5h 10m
Greyhound US	7h 10m	6:45 AM	San Diego	Old Town Transit Center	1:55 PM	Ontario, CA	Montclair Place	Economy	$45	A Bus from Greyhound US goes from Old Town Transit Center, San Diego (USA) at 12/28/2025 6:45:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/28/2025 1:55:00 PM. 50 Economy ticket for $45 per person are available. Travel duration is 7h 10m
FlixBus	6h 40m	12:15 PM	San Diego	Old Town Transit Center	6:55 PM	Ontario, CA	Montclair Place	Economy	$45	A Bus from FlixBus goes from Old Town Transit Center, San Diego (USA) at 12/28/2025 12:15:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/28/2025 6:55:00 PM. 50 Economy ticket for $45 per person are available. Travel duration is 6h 40m

Cheapest bus trips Tuesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	7h 10m	6:45 AM	San Diego	Old Town Transit Center	1:55 PM	Ontario, CA	Montclair Place	Economy	$34	A Bus from Greyhound US goes from Old Town Transit Center, San Diego (USA) at 12/30/2025 6:45:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/30/2025 1:55:00 PM. 50 Economy ticket for $34 per person are available. Travel duration is 7h 10m
FlixBus	5h 55m	7:35 AM	San Diego	Old Town Transit Center	1:30 PM	Ontario, CA	Montclair Place	Economy	$34	A Bus from FlixBus goes from Old Town Transit Center, San Diego (USA) at 12/30/2025 7:35:00 AM to Montclair Place, Ontario, CA (USA) arriving at 12/30/2025 1:30:00 PM. 50 Economy ticket for $34 per person are available. Travel duration is 5h 55m
FlixBus	6h 40m	12:15 PM	San Diego	Old Town Transit Center	6:55 PM	Ontario, CA	Montclair Place	Economy	$34	A Bus from FlixBus goes from Old Town Transit Center, San Diego (USA) at 12/30/2025 12:15:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/30/2025 6:55:00 PM. 50 Economy ticket for $34 per person are available. Travel duration is 6h 40m
Greyhound US	5h 55m	7:35 PM	San Diego	Old Town Transit Center	1:30 AM	Ontario, CA	Montclair Place	Economy	$35	A Bus from Greyhound US goes from Old Town Transit Center, San Diego (USA) at 12/30/2025 7:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/31/2025 1:30:00 AM. 50 Economy ticket for $35 per person are available. Travel duration is 5h 55m
FlixBus	5h 10m	1:45 PM	San Diego	Seaport Village	6:55 PM	Ontario, CA	Montclair Place	Economy	$35	A Bus from FlixBus goes from Seaport Village, San Diego (USA) at 12/30/2025 1:45:00 PM to Montclair Place, Ontario, CA (USA) arriving at 12/30/2025 6:55:00 PM. 50 Economy ticket for $35 per person are available. Travel duration is 5h 10m

Best Price Offer: The price for the cheapest bus from San Diego to Ontario, CA is $31 on 12/25/2025. Flexible travelers save on ticket prices.

Frequency of bus connections between San Diego and Ontario, CA

See here how frequent the connections between San Diego and Ontario, CA are, during different times and days of the week.

Wednesday is the busiest day, with more than 17 daily buses from San Diego to Ontario, CA. Tuesday has instead the fewest connections, with only 5 daily coaches between San Diego and Ontario, CA.

The busiest time of the day is the Morning, with 20 buses from San Diego to Ontario, CA, while Evening sees the fewest connections between San Diego and Ontario, CA, with 8 offers.

Facts about the bus from San Diego to Ontario, CA

Compare all providers like FlixBus, Greyhound US and Limousine Express that travel 9 times every day by bus from San Diego to Ontario, CA in one click! Book your bus ticket from San Diego to Ontario, CA starting from $31!

Cheapest Bus	$31
Fastest Bus	3h 50m
Earliest Bus	6:00 AM
Latest Bus	7:35 PM
Daily Bus Routes	9 Ø
Distance	97.1 miles
Bus Companies	FlixBus, Greyhound US and Limousine Express

Cheapest bus connections from San Diego to Ontario, CA

Every day, 9 buses from 3 bus companies leave San Diego for Ontario, CA: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 12/24/2025 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 12/21

Monday 12/22

Tuesday 12/23

Wednesday 12/24

$44

Thursday 12/25

$31

Friday 12/26

$38

Saturday 12/27

Sunday 12/28

$44

Monday 12/29

Tuesday 12/30

$34

Wednesday 12/31

Thursday 01/01

Friday 01/02

Saturday 01/03

Sunday 01/04

Monday 01/05

$31

Tuesday 01/06

Wednesday 01/07

Thursday 01/08

Friday 01/09

Saturday 01/10

Sunday 01/11

$35

Monday 01/12

Tuesday 01/13

Wednesday 01/14

Thursday 01/15

Friday 01/16

Saturday 01/17

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

See here on which day and which time of the day you can find the cheapest bus ticket from San Diego to Ontario, CA, for the next 30 days.

With a price starting from $31, Thursday is the cheapest day for a bus from San Diego to Ontario, CA. Wednesday instead is the most expensive day with prices starting from $40.

Morning is the cheapest day time for bus tickets from San Diego to Ontario, CA, with $31. Evening is the most expensive time of the day with prices starting from $35.

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

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 San Diego to Ontario, CA 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 San Diego to Ontario, CA, 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 San Diego to Ontario, CA are also emptier.

Beloved bus companies from San Diego to Ontario, CA

These are the most booked bus companies between San Diego to Ontario, CA from our users.

Limousine Express from San Diego to Ontario, CA

Here you will find the key facts about the Limousine Express bus route San Diego to Ontario, CA:

Cheapest Price	$44
Fastest Bus	3h 50m
Earliest Bus	11:00 AM
Last Bus	4:00 PM
Daily Connections	5 Ø
Found on	12/23/2025

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

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

Old Town Transit Center

Congress Street 2727

San Ysidro Transit Center

E San Ysidro Blvd 723

Santa Fe Depot

Kettner Blvd 1050

Seaport Village

W Harbor Dr 789

La Jolla Village

Hyatt Regency

Convention Center

E Holt Blvd 2200

Montclair Place

Moreno Street Montclair

Carl's Jr & Teriyaki House

E 4th St 1625

Mills Drive Eb Fs

Tufesa

E Francis St 642

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

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

FAQs about the San Diego to Ontario, CA bus

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

This depends on, among other things, the day and time of travel. The cheapest trip is available from $31 and takes 5h 55m to reach Ontario, CA. Compare offers to save money!

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

This route is offered by 3 companies with a range of ticket prices between $31 and $49. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Ontario, CA.

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

Every day, the San Diego to Ontario, CA bus route is served by approximately 9 connections. With our search, you can compare bus times to find the perfect trip.

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

The fastest bus from San Diego to Ontario, CA is offered by Limousine Express and takes 3h 50m. Bus tickets for this connection cost $44. In this context, bear in mind that the journey can take longer due to traffic.

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

The earliest bus arriving in Ontario, CA from San Diego starts at 6:00 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 San Diego to Ontario, CA?

The latest bus trip departing from San Diego for Ontario, CA starts at 7:35 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 San Diego Ontario, CA route?

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

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

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

What can I take with me on the San Diego to Ontario, CA 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 San Diego Ontario, CA 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 San Diego Ontario, CA 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 San Diego to Ontario, CA on your planned travel date.

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

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 9 daily trips between San Diego and Ontario, CA. 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 San Diego to Ontario, CA?

Prices and availability for 9 trips between San Diego and Ontario, CA 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 San Diego to Ontario, CA

Basic

Name referring to the typical seat you will find with companies that don’t distinguish between different classes.

Economy

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

More bus routes to San Diego and to Ontario, CA

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