The cheapest and fastest buses from San Diego, CA to Ontario, CA
Cheapest price
$46
Average price
$53
Fastest journey
4 h 45 m
Average duration
5 h 25 m
Buses per day
12
Distance
157 km
The best way to find a cheap bus ticket from San Diego, CA to Ontario, CA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from San Diego, CA to Ontario, CA will cost around $53 if you buy it on the day, but the cheapest tickets can be found for only $46.
It's difficult to get from San Diego, CA to Ontario, CA without transferring at least once.
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FlixBusTravel Information
Compare train, bus, and flight for San Diego, CA to Ontario, CA
Omio recommends booking the bus as it is the most popular option from San Diego, CA to Ontario, CA among Omio's users. If you are prioritising price take the bus with prices starting from €31. For those with little time consider booking a train which can get you there in 3h 50m. The ticket price range depends on the travel mode: a bus costs an average of €31, and a flight costs an average of €46.
Distance: 97 miles (157 km)
Compare bus with
Most popular Bus | Train | Flight |
|---|---|---|
€44 Average price Cheapest | €46 Average price | €197 Average price |
4h 36m Average total duration 4h 6m Onboard + 30m Additional time* | 4h 20m Average total duration Fastest 3h 50m Onboard + 30m Additional time* | 9h 28m Average total duration 6h 28m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
San Diego, CA to Ontario, CA Bus Timetables
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Greyhound | Departure Time 06:00AM | Arrival Time 01:55PM | Duration 7h55 | Departure days Fri | Cheapest price $46 |
Operator Greyhound | Departure Time 06:45AM | Arrival Time 01:55PM | Duration 7h10 | Departure days Fri | Cheapest price $50 |
Operator FlixBus | Departure Time 06:55AM | Arrival Time 01:30PM | Duration 6h35 | Departure days Fri | Cheapest price $54 |
Operator FlixBus | Departure Time 07:35AM | Arrival Time 01:30PM | Duration 5h55 | Departure days Fri | Cheapest price $57 |
Operator FlixBus | Departure Time 07:55AM | Arrival Time 01:30PM | Duration 5h35 | Departure days Fri | Cheapest price $57 |
Operator FlixBus | Departure Time 12:15PM | Arrival Time 06:55PM | Duration 6h40 | Departure days Fri | Cheapest price $57 |
Operator FlixBus | Departure Time 01:15PM | Arrival Time 06:55PM | Duration 5h40 | Departure days Fri | Cheapest price $46 |
Operator FlixBus | Departure Time 01:45PM | Arrival Time 06:55PM | Duration 5h10 | Departure days Fri | Cheapest price $49 |
Operator FlixBus | Departure Time 02:10PM | Arrival Time 06:55PM | Duration 4h45 | Departure days Fri | Cheapest price $49 |
Operator FlixBus | Departure Time 04:15PM | Arrival Time 01:30AM | Duration 9h15 | Departure days Fri | Cheapest price $74 |
Operator Greyhound | Departure Time 07:00PM | Arrival Time 01:30AM | Duration 6h30 | Departure days Fri | Cheapest price $47 |
Operator Greyhound | Departure Time 07:35PM | Arrival Time 01:30AM | Duration 5h55 | Departure days Fri | Cheapest price $51 |
Live departures
San Diego, CA to Ontario, CA bus times
The table below shows live departures for San Diego, CA to Ontario, CA buses for today, Thursday, November 6. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 2:55 PM San Diego, CA | 6h20 | 9:15 PM Ontario, CA | 0 transfersDirect | |
![]() | 11:00 PM San Diego, CA | 3h50 | 2:50 AM Ontario, CA | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets San Diego, CA to Ontario, CA by train, bus, or flight
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Journey information
Overview: Bus from San Diego, CA to Ontario, CA
Buses from San Diego, CA to Ontario, CA run on average 6 times per day, taking around 4h 6m. Cheap bus tickets for this journey start at $38 (€31) if you book in advance.
There are 2 buses per day. The earliest bus runs at 00:05, the last at 22:00. The fastest bus covers the 97 miles (157 km) distance in 3h 50m.
Distance 97 miles (157 km) |
Average bus duration 4h 6m |
Cheapest ticket price $38 (€31) |
Buses per day 6 |
Direct buses 2 |
Fastest bus 3h 50m |
First bus 00:05 |
Last bus 22:00 |
Bus providers: FlixBus, Greyhound, Infobus from San Diego, CA to Ontario, CAYou can travel by bus between San Diego, CA to Ontario, CA with FlixBus, Greyhound, Infobus for as low as $38 (€31). When you search for schedules and tickets, Omio will show you the best journey
FlixBus
Infobus
Greyhound
FAQs: Bus from San Diego, CA to Ontario, CA
Find answers to the most common questions about traveling from San Diego, CA to Ontario, CA by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Ontario, CA, this guide helps you travel smarter and with confidence.

- FlixBus
- Assistance
- Priority boarding
- Wheelchair-accessible buses.
- Greyhound
- Assistance
- Priority seating
- Wheelchair-accessible buses.
- FlixBus
- You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
- Greyhound
- You can cancel your ticket for a refund or exchange up to 24 hours before departure, for a cancellation fee applied.
To find the cheapest bus tickets for your trip from San Diego, CA to Ontario, CA, follow these tips:
Start your search now and compare ticket prices to find the best deal!
- FlixBus
- One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
- Greyhound
- One carry-on bag up to 25 lbs (11 kg) and one checked bag up to 50 lbs (23 kg).
- FlixBus
- Additional luggage can be purchased for a fee.
- Greyhound
- $15 per additional bag.
- FlixBus
- Small pets in carriers allowed
- Guide dogs travel for free.
popular bus stations
Popular bus stations from San Diego, CA to Ontario, CA
More options for your journey from San Diego, CA to Ontario, CA
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