- Must visit
Portland Art Museum
World-class collections spanning Native American, Asian, and Northwest art. A cornerstone cultural stop in the South Park Blocks.
Cheapest price
lei690
Average price
lei709
Fastest journey
1 d 4 h 50 m
Average duration
1 d 5 h 8 m
Buses per day
2
Distance
1344 km
The best way to find a cheap bus ticket from Ontario, CA to Portland, OR is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Ontario, CA to Portland, OR will cost around lei709 if you buy it on the day, but the cheapest tickets can be found for only lei690.
It's difficult to get from Ontario, CA to Portland, OR without transferring at least 2 times.
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· · · Omio recommends booking the bus as it is the most popular option from Ontario, CA to Portland, OR among Omio's users. If you are prioritising price take the bus with prices starting from lei527. For those with little time consider booking a flight which can get you there in 3h 51m. The ticket price range depends on the travel mode: a bus costs an average of lei527, and a train costs an average of lei796.
Distance: 835 miles (1344 km)
Most popular Bus | Flight | Train | Driving |
|---|---|---|---|
lei921 Average price Cheapest | lei974 Average price | lei1357 Average price | lei923 Average price (fuel + tolls) |
22h 8m Average total duration 21h 38m Onboard + 30m Additional time* | 6h 51m Average total duration Fastest 3h 51m Onboard + 3h 0m Additional time* | 26h 0m Average total duration 25h 30m Onboard + 30m Additional time* | 15h 20m Average total duration (door-to-door) |
![]() Most popular bus company | ![]() Most popular airline | ![]() Most popular train company | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Ontario, CA to Portland, OR:
A bus is lei52 less than a flight for this route with tickets for a flight from Ontario, CA to Portland, OR costing on average lei974.
A bus is lei436 less than a train for this route with tickets for a train from Ontario, CA to Portland, OR costing on average lei1357.
Other travel options to Portland, OR take longer:
Bus takes on average 21h 38m.
Train takes on average 25h 30m.
You'll arrive about {timeSavings} sooner ({durationInMinutes} by bus vs {drivingDurationInMinutes} by car) and save roughly {savingsAmount} compared to fuel and tolls ({cheapestPrice} vs {drivingPriceInCents}). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.
Direct coaches are operated by {directProviders}.
Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Greyhound | Departure Time 03:55AM | Arrival Time 08:45AM | Duration 28h50 | Departure days Everyday | Cheapest price lei575 |
Operator Greyhound | Departure Time 06:55PM | Arrival Time 12:20AM | Duration 29h25 | Departure days Everyday | Cheapest price lei648 |
The table below shows live departures for Ontario, CA to Portland, OR buses for today, Monday, August 3. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
· · · | 6:55 PM Montclair, Richton Street (Montclair Transcenter Paking), CA | 29h25 | 12:20 AM Portland, NW Station Way (Station Place Parking Garage), OR | 3 transfers | |
| Tuesday, August 4 | |||||
+ FlixBus+![]() | 3:55 AM Montclair, Richton Street (Montclair Transcenter Paking), CA | 28h50 | 8:45 AM Portland, NW Station Way (Station Place Parking Garage), OR | 2 transfers | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare bus, train, 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 Ontario, CA to Portland, OR run on average 5 times per day, taking around 21h 38m. Cheap bus tickets for this journey start at lei527 but you can travel from only lei487 by flight.
The earliest bus runs at 02:00, the last at 21:05. The fastest bus covers the 835 miles (1344 km) distance in 24h 40m.
Distance 835 miles (1344 km) |
Average bus duration 21h 38m |
Cheapest ticket price lei527 |
Buses per day 5 |
Fastest bus 24h 40m |
First bus 2:00 AM |
Last bus 9:05 PM |
Cheapest Month Sep |
Cheapest Day Mon |
High Season Jan - Mar |
Low Season Apr - Jun |
Best time to book 21 days |
Discover the best of Portland, OR — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portland, OR trip today.
World-class collections spanning Native American, Asian, and Northwest art. A cornerstone cultural stop in the South Park Blocks.
Hands-on museum famed for the USS Blueback submarine, science labs, and family-friendly exhibits on technology and nature.
Eclectic museum of movie props, oddities, and outsider collections in Northwest Portland. Fun, quirky, and uniquely local.
A 165-acre woodland park with serene paths, a rose garden, and Japanese Garden access. One of Portland's signature green spaces.
Beloved downtown square known as Portland's living room. Hosts events, people-watching, and easy access to major central sights.
Large urban forest with miles of trails for hiking and running. A local favorite for quick immersion in nature near downtown.
A toasted bread ring with a malty crust and chewy center. Portland shops helped make the city's bagel scene a modern local obsession.
Traditional regional chowder from the Pacific Northwest, usually with local clams, cream, potatoes, and herbs. A staple on many Portland seafood menus.
Fresh oysters from the Oregon coast, prized for their briny, clean flavor. Portland is a major city showcase for the state's shellfish culture.
Acclaimed bagel shop serving naturally leavened bagels with classic toppings in a casual neighborhood space.
Pioneering specialty coffee roaster with expertly brewed coffee and a minimalist café atmosphere loved by locals.
Iconic Portland brewery and pub pouring house beers with hearty pub fare in a lively, long-running local setting.
Moderate for U.S. city travel: hotels and dining are mid-priced, transit is reasonable, and budget food is easy to find.
Tip 18-20% at restaurants, more for great service. Taxis: 10-15%. Cafes: round up or tip $1-2 for drinks.
Find answers to the most common questions about traveling from Ontario, CA to Portland, OR 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 Portland, OR, this guide helps you travel smarter and with confidence.

Most Ontario, CA to Portland, OR buses use the Montclair, Richton Street (Montclair Transcenter Paking) to Portland, NW Station Way (Station Place Parking Garage) station pair. Use this guide to compare Ontario, CA and Portland, OR bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Here are some other resources that might have the information you need