- Must visit
Planes of Fame Air Museum
Compact aviation museum at the airport with aircraft displays and memorabilia highlighting regional flying history and aircraft restoration.
Cheapest price on Sep 20
$59
Average ticket price on Sep 20
$59
Fastest journey on Sep 20
3 h 30 m
Average journey duration on Sep 20
3 h 38 m
Buses on Sep 20
2
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 $59 if you buy it on the day, but the cheapest tickets can be found for only $59.
On Sun, Sep 20, we found 2 buses from San Diego, CA to Ontario, CA, including 2 direct services.
On Sun, Sep 20 the direct buses cover the 157 km distance in an average of 3 h 38 m but if you time it right, some buses will get you there in just 3 h 30 m .
On Sun, Sep 20 the slowest buses will take 3 h 45 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
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0Omio 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 an average ticket price of $52 For those with little time, consider booking a train, which has an average total journey time of 4h 15m. Average ticket prices depend on the travel mode: a bus costs an average of $52, while a flight costs an average of $643.
Distance: 97 miles (157 km)
Most popular Bus | Train | Flight | Driving |
|---|---|---|---|
$52 Average price Cheapest | $61 Average price | $643 Average price | $24 Average price (fuel + tolls) |
4h 34m Average total duration 4h 4m Onboard + 30m Additional time* | 4h 15m Average total duration Fastest 3h 45m Onboard + 30m Additional time* | 5h 30m Average total duration 3h 30m Onboard + 2h 0m Additional time* | 1h 48m Average total duration (door-to-door) |
![]() Most popular bus company | ![]() Most popular train company | ![]() Most popular airline | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from San Diego, CA to Ontario, CA:
A bus is $9 less than a train for this route with tickets for a train from San Diego, CA to Ontario, CA costing on average $61.
A bus is $591 less than a flight for this route with tickets for a flight from San Diego, CA to Ontario, CA costing on average $643.
Other travel options to Ontario, CA take longer:
Train takes on average 3h 45m.
Bus takes on average 4h 4m.
Tickets start at around $52 compared to roughly $24 in fuel and tolls — a saving of about $-28.48. The journey takes 4h 4m versus 1h 48m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.
Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Greyhound | Departure Time 02:00AM | Arrival Time 08:25AM | Duration 6h25 | Departure days Sat | Cheapest price $41 |
Operator Greyhound | Departure Time 04:55AM | Arrival Time 12:05PM | Duration 7h10 | Departure days Mon | Cheapest price $35 |
Operator Greyhound | Departure Time 05:40AM | Arrival Time 12:05PM | Duration 6h25 | Departure days Mon | Cheapest price $35 |
Operator Tufesa Internacional | Departure Time 06:30AM | Arrival Time 10:15AM | Duration 3h45 | Departure days Tue, Wed, Thu, Sat, Sun | Cheapest price $59 |
Operator FlixBus | Departure Time 07:35AM | Arrival Time 01:50PM | Duration 6h15 | Departure days Mon | Cheapest price $36 |
Operator FlixBus | Departure Time 07:55AM | Arrival Time 01:50PM | Duration 5h55 | Departure days Mon | Cheapest price $35 |
Operator FlixBus | Departure Time 09:25AM | Arrival Time 06:55PM | Duration 9h30 | Departure days Mon | Cheapest price $36 |
Operator Tufesa Internacional | Departure Time 11:30AM | Arrival Time 02:45PM | Duration 3h15 | Departure days Tue, Wed, Thu, Sat, Sun | Cheapest price $59 |
Operator FlixBus | Departure Time 12:40PM | Arrival Time 06:55PM | Duration 6h15 | Departure days Mon | Cheapest price $34 |
Operator Greyhound | Departure Time 01:00PM | Arrival Time 08:55PM | Duration 7h55 | Departure days Fri | Cheapest price $67 |
Operator FlixBus | Departure Time 01:10PM | Arrival Time 06:55PM | Duration 5h45 | Departure days Mon | Cheapest price $36 |
Operator FlixBus | Departure Time 01:35PM | Arrival Time 06:55PM | Duration 5h20 | Departure days Mon | Cheapest price $35 |
Operator Greyhound | Departure Time 01:45PM | Arrival Time 08:55PM | Duration 7h10 | Departure days Fri | Cheapest price $59 |
Operator Greyhound | Departure Time 02:00PM | Arrival Time 09:55PM | Duration 7h55 | Departure days Fri | Cheapest price $69 |
Operator Greyhound | Departure Time 07:10PM | Arrival Time 01:25AM | Duration 6h15 | Departure days Mon | Cheapest price $36 |
Operator FlixBus | Departure Time 07:40PM | Arrival Time 01:55AM | Duration 6h15 | Departure days Fri | Cheapest price $46 |
Operator Greyhound | Departure Time 07:45PM | Arrival Time 01:25AM | Duration 5h40 | Departure days Mon | Cheapest price $37 |
Operator FlixBus | Departure Time 09:10PM | Arrival Time 02:55AM | Duration 5h45 | Departure days Fri | Cheapest price $68 |
The table below shows live departures for San Diego, CA to Ontario, CA buses for today, Saturday, September 19. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
0 | 6:30 AM San Diego, CA | 3h45 | 10:15 AM Ontario, CA | 0 transfersDirect | |
0 | 11:30 AM San Diego, CA | 3h30 | 3:00 PM Ontario, CA | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
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.
Buses from San Diego, CA to Ontario, CA run on average 6 times per day, taking around 4h 4m. Cheap bus tickets for this journey start at $34 if you book in advance.
There are 1 buses per day. The earliest bus runs at 00:05, the last at 22:25. The fastest bus covers the 97 miles (157 km) distance in 3h 0m.
Distance 97 miles (157 km) |
Average bus duration 4h 4m |
Cheapest ticket price $34 |
Buses per day 6 |
Direct buses 1 |
Fastest bus 3h 0m |
First bus 12:05 AM |
Last bus 10:25 PM |
Cheapest Month Mar |
Cheapest Day Thu |
High Season Jul - Sep |
Low Season Apr - Jun |
Busiest Day Mon |
Least Busy Day Mon |
Best time to book 3 days |
Discover the best of Ontario, CA — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Ontario, CA trip today.
Compact aviation museum at the airport with aircraft displays and memorabilia highlighting regional flying history and aircraft restoration.
Local history museum in the former power company building with exhibits on Ontario's agriculture, Route 66 era, and community heritage.
Art museum on the Claremont Colleges campus featuring American, Native American, and contemporary works in a calm gallery setting.
Shaded urban park in downtown Ontario with walking paths, civic events, and a historic fountain at the heart of the city center.
Broad landscaped boulevard designed for walking and driving, lined with medians, palms, and historic homes through central Ontario.
Large regional shopping and entertainment district with walkable promenades, public art, and frequent events near the arena.
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.

Most San Diego, CA to Ontario, CA buses use the San Diego, San Ysidro Transit Center to Montclair, Richton Street (Montclair Transcenter Paking) station pair. Use this guide to compare San Diego, CA and Ontario, CA bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
San Diego, Congress Street (Old Town Park) is 5 km from San Diego city centre. Public transport options include:
San Diego, Congress Street (Old Town Park) has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.
Food options include: Several dining options nearby.
Wi-Fi is available at San Diego, Congress Street (Old Town Park). ATMs are available at San Diego, Congress Street (Old Town Park).
Ticket office support is available at San Diego, Congress Street (Old Town Park).
Available at San Diego, Congress Street (Old Town Park): Parking, Taxis, WC.
Accessibility facilities are available at San Diego, Congress Street (Old Town Park): Wheelchair accessible routes available.
San Diego, San Ysidro Transit Center is 22 km from San Diego city centre. Public transport options include:
San Diego, San Ysidro Transit Center has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.
Food options include: Several fast food eateries located nearby.
Wi-Fi is available at San Diego, San Ysidro Transit Center. ATMs are available near the entrance.
Ticket office support is available at San Diego, San Ysidro Transit Center.
Available at San Diego, San Ysidro Transit Center: Parking, Taxis, WC.
Accessibility facilities are available at San Diego, San Ysidro Transit Center: Wheelchair accessible with ramps.
San Diego has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.
Food options include: There are fast food outlets nearby.
Wi-Fi is available at San Diego. ATMs are available at San Diego.
Ticket office support is available at San Diego.
Available at San Diego: Parking, Taxis, WC.
Accessibility facilities are available at San Diego: Station is accessible for individuals with disabilities.
Ontario has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.
Wi-Fi is available at Ontario. ATMs are available at Ontario.
Ticket office support is available at Ontario.
Available at Ontario: Parking, Taxis, WC.
Accessibility facilities are available at Ontario: Wheelchair accessible.
Here are some other resources that might have the information you need