Bus Tickets from Portland, OR to Ontario, CA

Next departures

Next departures for Portland to Ontario on October 22
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
FlixBus + Greyhound Lines, Inc. + FlixBus
Portland Curbside Bus Stop
Montclair (Ontario)CheapestFastest

Last refresh of the prices: Yesterday at 3:53 PM PDT.

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Get from Portland to Ontario

busbud logoThis route is served by bus only

The journey takes about 1 day, 5 hours 35 minutes, and with fares starting at just US$83, it presents an excellent value for a comfortable ride.

3bus per day
1d 5hAverage Duration
1341 kmDistance
34kgCO₂ emissions

Bus Portland, OR to Ontario, CA: Trip Overview

Average Ticket PriceUS$143
Average Bus Trip Duration1d 5h
Number of daily buses3
Earliest bus departure2:00am
Distance1341 km
Latest bus departure7:50pm

Portland to Ontario Bus

Busbud shows you the best bus ticket fares and bus schedules so you can easily plan and book a trip by bus from Portland to Ontario.

We make it our job to connect you with the most dependable bus companies that cover bus service from Portland to Ontario.

Whether it is cheap bus tickets or more luxurious buses going to Ontario from Portland, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions on the trip Portland, OR - Ontario, CA

  1. What is the travel distance from Portland to Ontario?

    The distance between Portland and Ontario is around 1346 km (835 miles).

  2. What are the departure and arrival locations for buses traveling from Portland to Ontario?

    Buses traveling this route start their trip at Portland Union Station, in Portland, and end it at Ontario California Bus Stop Carl's Jr & Teriyaki House, in Ontario.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
10-20
US$219
10-21
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Today
US$203
10-23
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10-24
No data
10-25
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10-26
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10-27
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busbud logoThe cheapest trip from Portland, OR to Ontario, CA was searched and found on Oct 22, 2025 with a price of US$203

To 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.

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 Portland to Ontario but it'll also be endearing to native speakers who will surely appreciate your effort.

From miles long of beauteous natural landscapes to impressive man-crafted sights, you’re bound to be in for a visual treat on your bus trip from Portland to Ontario.

Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from Portland to Ontario.

Tune out to the fine sounds of your best music playlist on your bus trip from Portland to Ontario while indulging in miles on end of beautiful scenic views.

Did you know?

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

Will you be returning to Portland, OR by bus?

Bus from Ontario, CA to Portland, OR

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