Cheap buses leaving Monday
One passenger / one way
- This trip is recommended because it is the: CheapestDeparture time: April 28 atDeparture city: OntarioDeparture location: Montclair (Ontario)Arrival time: April 28 atDestination city: San DiegoDestination location: UCSD Health La Jolla StationOperated by: FlixBus
Vehicle: BusDuration: - This trip is recommended because it is the: FastestDeparture time: April 28 atDeparture city: OntarioDeparture location: Ontario Convention CenterArrival time: April 29 atDestination city: San DiegoDestination location: Cross Border Xpress CBX (USA)Operated by: Los Limousines
Vehicle: BusDuration: - Departure time: April 28 atDeparture city: OntarioDeparture location: Montclair (Ontario)Arrival time: April 28 atDestination city: San DiegoDestination location: San Diego (Old Town-FlixBus)Operated by: FlixBusVehicle: BusDuration:
- Departure time: April 28 atDeparture city: OntarioDeparture location: Ontario Convention CenterArrival time: April 28 atDestination city: San DiegoDestination location: Cross Border Xpress CBX (USA)Operated by: Los LimousinesVehicle: BusDuration:
- Departure time: April 28 atDeparture city: OntarioDeparture location: Montclair (Ontario)Arrival time: April 28 atDestination city: San DiegoDestination location: San Diego (Old Town-FlixBus)Operated by: FlixBusVehicle: BusDuration:
Last refresh of the prices: Today at 7:10 AM PDT.
Prices and availability are subject to change.
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Bus Ontario to San Diego: Trip Overview
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Ontario to San Diego Bus
Busbud shows you the best bus ticket fares and bus schedules so you can easily plan and book a trip by bus from Ontario to San Diego.
We make sure you can find a bus service from Ontario to San Diego from the most reliable bus companies operating this trip.
From cheap bus tickets to more luxurious buses travelling from Ontario to San Diego, we offer a wide range of bus services to best suit your needs depending on how much your budget is.
Where are the popular stops in Ontario and San Diego?
Frequently asked questions on the trip Ontario - San Diego
How long is the bus trip from Ontario to San Diego?
The bus ride from Ontario to San Diego takes 6h, on average. The fastest bus on this trip will get to San Diego in 3h 40m
How far is Ontario from San Diego?
The distance covered from Ontario to San Diego is 157 km (98 miles).
What are the departure and arrival locations for buses traveling from Ontario to San Diego?
Buses traveling this route start their trip at Ontario California Bus Stop Carl's Jr & Teriyaki House, in Ontario, and end it at Mission Valley Sheraton, in San Diego.
What is the cheapest way to go from Ontario to San Diego?
Taking the bus is the cheapest option to travel from Ontario to San Diego. The ticket price for this bus starts at US$31, making this your best choice for this trip.
How much does it cost to take the bus from Ontario to San Diego?
The bus fare from Ontario to San Diego is approximately US$50.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Ontario to San Diego was searched and found on Apr 24, 2025 with a price of US$39To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ontario to San Diego, as early as possible.
You can expect to pay from US$39 to US$52 for a bus ticket from Ontario to San Diego based on the last 2 days. You can expect to find the cheapest price for the trip at US$40 which is on 2025-04-25.
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
If you're abroad, study some local language. Not only could it get you out of a pickle during your bus trip from Ontario to San Diego but it'll also be endearing to native speakers who will surely appreciate your effort.
Start sightseeing the minute your bus leaves the station. If you're on the night bus from Ontario to San Diego, get comfy and count the stars.
Taking the bus creates the smallest carbon footprint compared to other modes of transport. Not to mention that buses will allow you to discover scenic gems from Ontario to San Diego that are otherwise impossible to come by with a plane.
Make a music playlist for your bus ride from Ontario to San Diego, and enjoy the scenery to tunes from your own personal soundtrack.
Did you know?
The word 'bus' is an abbreviation of 'omnibus" which means 'for all' in Latin as buses were meant to be transportation for everybody.
Did you know there are on average 4,400 intercity bus departures every day in the US only? This number has been growing for 9 years in a row, yay!
Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!
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Busbud helps you easily search, compare and book intercity bus tickets on a worlwide scale with our comprehensive list of bus routes and schedules. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.
Popular Buses Connecting Ontario
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