Bus tickets San Diego to Ontario, CA from £19

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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
£29
tomorrow
£30
Sunday
Monday
£29
Tuesday
£19
Wednesday
£33
Thursday
£27

Cheapest bus trips today

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 7h 10m 06:45 San Diego Old Town Transit Center 13:55 Ontario, CA Montclair Place  Economy £29
Greyhound US 7h 55m 06:00 San Diego San Ysidro Transit Center 13:55 Ontario, CA Montclair Place  Economy £30
FlixBus 6h 35m 06:55 San Diego San Ysidro Transit Center 13:30 Ontario, CA Montclair Place  Economy £30
FlixBus 5h 40m 13:15 San Diego San Ysidro Transit Center 18:55 Ontario, CA Montclair Place  Economy £30
FlixBus 5h 55m 07:35 San Diego Old Town Transit Center 13:30 Ontario, CA Montclair Place  Economy £30
  • Did you know that if you travel from San Diego to Ontario, CA via San Bernardino, CA, you can save more than £8? You can find the corresponding connections below.
    • Busbud
      5h 55m
      0
      07:35
      San Diego
      Old Town Transit Center
      10:25
      San Bernardino, CA
      Crescent Wb Lt
      0
      Busbud
      Economy
      £14
    • Waiting Time 2h 30m
    • FlixBus
      0h 35m
      0
      12:55
      San Bernardino, CA
      John's Burger Flixbus Stop
      13:30
      Ontario, CA
      Montclair Place
      0
      FlixBus
      Economy
      £7
    Travel time is 0h 15m longer, but you will save £8

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 7h 10m 06:45 San Diego Old Town Transit Center 13:55 Ontario, CA Montclair Place  Economy £30
Greyhound US 5h 55m 19:35 San Diego Old Town Transit Center 01:30 Ontario, CA Montclair Place  Economy £30
FlixBus 5h 55m 07:35 San Diego Old Town Transit Center 13:30 Ontario, CA Montclair Place  Economy £30
FlixBus 5h 35m 08:20 San Diego Old Town Transit Center 13:55 Ontario, CA Montclair Place  Economy £30
FlixBus 6h 40m 12:15 San Diego Old Town Transit Center 18:55 Ontario, CA Montclair Place  Economy £30
  • Did you know that if you travel from San Diego to Ontario, CA via San Bernardino, CA, you can save more than £10? You can find the corresponding connections below.
    • Busbud
      5h 55m
      0
      07:35
      San Diego
      Old Town Transit Center
      10:25
      San Bernardino, CA
      Crescent Wb Lt
      0
      Busbud
      Economy
      £13
    • Waiting Time 2h 30m
    • FlixBus
      0h 35m
      0
      12:55
      San Bernardino, CA
      John's Burger Flixbus Stop
      13:30
      Ontario, CA
      Montclair Place
      0
      FlixBus
      Economy
      £6
    Travel time is 0h 20m longer, but you will save £10

Cheapest bus trips Monday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 7h 10m 06:45 San Diego Old Town Transit Center 13:55 Ontario, CA Montclair Place  Economy £29
FlixBus 5h 55m 07:35 San Diego Old Town Transit Center 13:30 Ontario, CA Montclair Place  Economy £29
FlixBus 5h 35m 08:20 San Diego Old Town Transit Center 13:55 Ontario, CA Montclair Place  Economy £29
FlixBus 6h 40m 12:15 San Diego Old Town Transit Center 18:55 Ontario, CA Montclair Place  Economy £29
Greyhound US 5h 55m 19:35 San Diego Old Town Transit Center 01:30 Ontario, CA Montclair Place  Economy £30
  • Did you know that if you travel from San Diego to Ontario, CA via San Bernardino, CA, you can save more than £9? You can find the corresponding connections below.
    • Busbud
      5h 55m
      0
      07:35
      San Diego
      Old Town Transit Center
      10:25
      San Bernardino, CA
      Crescent Wb Lt
      0
      Busbud
      Economy
      £13
    • Waiting Time 2h 30m
    • FlixBus
      0h 35m
      0
      12:55
      San Bernardino, CA
      John's Burger Flixbus Stop
      13:30
      Ontario, CA
      Montclair Place
      0
      FlixBus
      Economy
      £6
    Travel time is 0h 20m longer, but you will save £9

Cheapest bus trips Tuesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 5h 50m 19:35 San Diego Old Town Transit Center 01:25 Ontario, CA Montclair Place  Economy £19
FlixBus 5h 55m 07:35 San Diego Old Town Transit Center 13:30 Ontario, CA Montclair Place  Economy £19
Greyhound US 7h 10m 06:45 San Diego Old Town Transit Center 13:55 Ontario, CA Montclair Place  Economy £20
FlixBus 5h 10m 13:45 San Diego Seaport Village 18:55 Ontario, CA Montclair Place  Economy £20
Greyhound US 5h 55m 19:35 San Diego Old Town Transit Center 01:30 Ontario, CA Montclair Place  Economy £21

Cheapest bus trips Wednesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Limousine Express 6h 0m 11:00 San Diego San Ysidro Transit Center 17:00 Ontario, CA Convention Center  Basic £33
Limousine Express 5h 15m 11:45 San Diego San Ysidro Transit Center 17:00 Ontario, CA Convention Center  Basic £33
Limousine Express 4h 0m 13:00 San Diego San Ysidro Transit Center 17:00 Ontario, CA Convention Center  Basic £33
Limousine Express 9h 25m 13:00 San Diego San Ysidro Transit Center 22:25 Ontario, CA Convention Center  Basic £33
Limousine Express 7h 25m 15:00 San Diego San Ysidro Transit Center 22:25 Ontario, CA Convention Center  Basic £33
  • Did you know that if you travel from San Diego to Ontario, CA via San Bernardino, CA, you can save more than £13? You can find the corresponding connections below.
    • Busbud
      5h 55m
      0
      07:35
      San Diego
      Old Town Transit Center
      10:25
      San Bernardino, CA
      Crescent Wb Lt
      0
      Busbud
      Economy
      £13
    • Waiting Time 2h 30m
    • FlixBus
      0h 35m
      0
      12:55
      San Bernardino, CA
      John's Burger Flixbus Stop
      13:30
      Ontario, CA
      Montclair Place
      0
      FlixBus
      Economy
      £6
    Travel time is 1h 55m longer, but you will save £13

Cheapest bus trips Thursday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 7h 10m 06:45 San Diego Old Town Transit Center 13:55 Ontario, CA Montclair Place  Economy £27
FlixBus 5h 35m 07:55 San Diego La Jolla Village 13:30 Ontario, CA Montclair Place  Economy £27
FlixBus 5h 10m 08:45 San Diego La Jolla Village 13:55 Ontario, CA Montclair Place  Economy £27
FlixBus 4h 45m 14:10 San Diego La Jolla Village 18:55 Ontario, CA Montclair Place  Economy £27
Greyhound US 5h 55m 19:35 San Diego Old Town Transit Center 01:30 Ontario, CA Montclair Place  Economy £28
  • Did you know that if you travel from San Diego to Ontario, CA via San Bernardino, CA, you can save more than £7? You can find the corresponding connections below.
    • Busbud
      5h 55m
      0
      07:35
      San Diego
      Old Town Transit Center
      10:25
      San Bernardino, CA
      Crescent Wb Lt
      0
      Busbud
      Economy
      £13
    • Waiting Time 2h 30m
    • FlixBus
      0h 35m
      0
      12:55
      San Bernardino, CA
      John's Burger Flixbus Stop
      13:30
      Ontario, CA
      Montclair Place
      0
      FlixBus
      Economy
      £6
    Travel time is 1h 10m longer, but you will save £7

Best Price Offer: The price for the cheapest coach from San Diego to Ontario, CA is £19 on 09/12/2025. Flexible travellers 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.
Friday is the busiest day, with more than 12 daily coaches 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 24 coaches from San Diego to Ontario, CA, while Evening sees the fewest connections between San Diego and Ontario, CA, with 7 offers.

Facts about coaches from San Diego to Ontario, CA

Compare all providers like FlixBus, Greyhound US and Limousine Express that travel 8 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 £19!

Cheapest Bus £19
Fastest Bus 3h 50m
Earliest Coach 06:00
Latest Coach 19:35
Daily Bus Connections 8 Ø
Distance 156.2 km
Coach Companies FlixBus, Greyhound US and Limousine Express

Cheapest coach connections from San Diego to Ontario, CA

Every day, 8 buses from 3 coach 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 05/12/2025 and for the following days.

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 01/12
Tuesday 02/12
Wednesday 03/12
Thursday 04/12
Friday 05/12
£29
Saturday 06/12
£30
Sunday 07/12
Monday 08/12
£29
Tuesday 09/12
£19
Wednesday 10/12
£33
Thursday 11/12
£27
Friday 12/12
£22
Saturday 13/12
£30
Sunday 14/12
£21
Monday 15/12
£22
Tuesday 16/12
Wednesday 17/12
Thursday 18/12
£22
Friday 19/12
£22
Saturday 20/12
£21
Sunday 21/12
£32
Monday 22/12
Tuesday 23/12
£29
Wednesday 24/12
£30
Thursday 25/12
Friday 26/12
Saturday 27/12
Sunday 28/12

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 £19, Tuesday is the cheapest day for a coach from San Diego to Ontario, CA. Wednesday instead is the most expensive day with prices starting from £30.
Morning is the cheapest day time for bus tickets from San Diego to Ontario, CA, with £19. Afternoon is the most expensive time of the day with prices starting from £20.

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

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

The map below shows you where to find all the bus stations in San Diego and Ontario, CA.

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

Want to know which seat classes are available on the coaches 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 coach trip cost?

This depends on, among other things, the day and travel time. The cheapest ticket for the San Diego - Ontario, CA bus trip is available from £19 and takes 5h 55m. Compare offers and save money!

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

The connection San Diego to Ontario, CA is offered by 3 companies with ticket prices ranging from £19 to £39. Therefore, we suggest booking your ticket as soon as possible to ensure you will get the cheapest ticket price.

How many connections are available for the San Diego - Ontario, CA route on average every day?

Each day, the bus route from San Diego to Ontario, CA is offered by roughly 8 busses. By using our search, you can compare bus schedules and find your ideal trip.

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

The quickest coach from San Diego to Ontario, CA is provided by Limousine Express and takes 3h 50m. Coach tickets for this connection cost £33. However, keep in mind that the connection can take longer due to traffic.

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

The earliest bus to Ontario, CA departs from San Diego at 06:00. In this context, information about departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

What time is the last coach from San Diego to Ontario, CA?

The latest bus to Ontario, CA departs from San Diego at 19:35. Please note that departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

Which bus companies serve the San Diego - Ontario, CA route?

Passengers looking to travel from San Diego to Ontario, CA can travel with FlixBus, Greyhound US and Limousine Express. Compare all available bus tickets with our search to book the trip that works best 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 bus to Ontario, CA from San Diego?

Depending on which provider you travel with, what you are allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the bus for the San Diego Ontario, CA bus route free of charge. Simply use our search to find a coach 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 travelling 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.

Available seat classes which are offered on the bus route San Diego to Ontario, CA

Basic
Basic

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

Economy
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!

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