Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
FlixBus + Greyhound Lines, Inc. + FlixBus | Bus | Portland Curbside Bus Stop | Montclair (Ontario) | CheapestFastest |
Last refresh of the prices: Last Monday at 9:46 PM PST.
Get from Portland to Ontario
The journey takes about 23 hours 30 minutes and with fares starting at just $143, it presents an excellent value for a comfortable ride.
Where are the popular stops in Portland and Ontario?
Stops in Portland
- B7411 Northwest Station Way, Portland OR 97209, USA
- C
NW Everett & NW 8th Ave
728 NW Everett St, Portland, OR 97209, USA - D
Lloyd Center
NE 13th Ave & Holladay, Portland, OR 97232, USA - E
Pearl District
7418 NW Station Way (across street), Portland, OR 97209, USA
Stops in Ontario
- A
Ontario California Bus Stop Carl's Jr & Teriyaki House
1625 E 4th St, Ontario, CA 91764, USA - B
Ontario Tufesa Bus Stop
1739 S Euclid Ave, Ontario, CA 91762, USA
Compare bus companies
Frequently asked questions about traveling from Portland, OR to Ontario, CA by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Portland to Ontario?
The cheapest bus tickets from Portland to Ontario start from $143. The average price for this route is around $218. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Portland to Ontario?
The average bus trip duration from Portland to Ontario is 23h 30m, covering a distance of 832 miles (1341 km). The quickest bus can get you there in 23h 25m and is operated by Greyhound.
Which bus companies service the Portland to Ontario route?
What is the earliest and latest departure time for the bus from Portland to Ontario?
The earliest bus departs from Portland to Ontario at 2:00am. And the latest bus departs at 8:00pm.
What are the CO₂ emissions for the bus trip from Portland to Ontario?
A bus trip from Portland to Ontario generates an estimated 34 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
What is the best bus company from Portland to Ontario?
According to Busbud customers, the highest-rated bus company on this route is Amtrak, with an average rating of 4.1 out of 5 stars based on 5627 reviews.
Which bus company has the best Wi-Fi from Portland to Ontario?
Based on reviews on Busbud, the bus company Amtrak has the best Wi-Fi rating with a score of 3.6.
Which bus company has the most timely service from Portland to Ontario?
According to Busbud traveller reviews, the most timely bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.
Which bus company has the cleanest buses from Portland to Ontario?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Amtrak, with a cleanliness rating of 4.5 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Portland, OR to Ontario, CA was searched and found on Dec 17, 2025 with a price of $255To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Portland, OR to Ontario, CA, as early as possible.
