Find coaches from Portland, OR to Ontario, CA

Find affordable coach tickets from Portland, OR to Ontario, CA with flexible options. Book your journey now

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Previously seen journeys

Next departures from Portland to Ontario on 18 September
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
FlixBus + Greyhound
Portland Union Station
Montclair (Ontario)No tags
Greyhound + FlixBus
Portland Union Station
Montclair (Ontario)No tags
FlixBus + Greyhound
Portland Union Station
Montclair (Ontario)No tags
Greyhound + FlixBus
Portland Union Station
Montclair (Ontario)No tags
FlixBus + Greyhound
Portland Union Station
Montclair (Ontario)No tags

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Bus Portland, OR to Ontario, CA: Trip Overview

Average ticket priceUS$107
Average bus trip duration1d 5h
Number of daily buses3
Earliest bus departure02:00
Distance832 miles
Latest bus departure19:50

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. How far is Ontario from Portland by coach?

    The distance between Portland and Ontario by coach is approximately 835 miles (1346 km).

  2. Is there a way to reach Ontario from Portland without flying?

    You have the option to select the coach for your journey on this route. The coach provides a comfortable and sustainable journey and allows you to enjoy the sights while reaching your destination. You also have the option of utilising carpooling services.

Find cheapest prices for buses

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

Best price found
15/09
US$88
16/09
No data
Today
US$86
18/09
No data
19/09
US$90
20/09
No data
21/09
No data
22/09
US$89
busbud logoThe cheapest trip from Portland, OR to Ontario, CA was searched and found on 17 Sept 2025 with a price of US$86

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.

You can expect to pay from US$86 to US$669 for a bus ticket from Portland, OR to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at US$89, which is on 2025-09-22.

Usually Amtrak will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.

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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