Next departures to Portland
One passenger / one way
- This trip is recommended because it is: Cheapest
- This trip is recommended because it is: FastestDeparture time: August 23 atDeparture city: OntarioDeparture location: Montclair / Ontario / ClaremontArrival time: August 24 atDestination city: PortlandDestination location: Portland Curbside Bus StopOperated by: Greyhound Lines, Inc.
Vehicle: BusDuration: - Departure time: August 23 atDeparture city: OntarioDeparture location: Ontario StationArrival time: August 24 atDestination city: PortlandDestination location: Union StationOperated by: Amtrak
Vehicle: BusDuration: - Departure time: August 23 atDeparture city: OntarioDeparture location: Montclair / Ontario / ClaremontArrival time: August 24 atDestination city: PortlandDestination location: Portland Curbside Bus StopOperated by: Greyhound Lines, Inc.Vehicle: BusDuration:
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Bus Ontario, CA to Portland, OR: Trip Overview
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Ontario to Portland Bus
Busbud helps you find a bus from Ontario to Portland. Get the best fare and schedule, book a round trip ticket or find buses with WiFi and electrical outlets.
We make it our job to connect you with the most dependable bus companies that cover bus service from Ontario to Portland.
Whether it is cheap bus tickets or more luxurious buses going to Portland from Ontario, we help you find what you're looking for based on how much of a budget you have.
Where are the popular stops in Ontario and Portland?
Frequently asked questions for your trip Ontario, CA - Portland, OR
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Ontario, CA to Portland, OR was searched and found on Aug 25, 2025 with a price of $127To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ontario, CA to Portland, OR, as early as possible.
You can expect to pay from $127 to $1,272 for a bus ticket from Ontario, CA to Portland, OR based on the last 2 days. You can expect to find the cheapest price for the trip at $127 which is on 2025-08-25.
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
Make friends with the driver. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between Ontario and Portland!
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 Ontario to Portland.
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 Ontario to Portland.
Create your own real life musical score by curating a personalized bus travel playlist - the perfect accompaniment to your bus ride from Ontario to Portland.
Did you know?
It takes 27 hours to go by bus from Lima to Cusco, one of the craziest bus trips on the world. This route is used daily by locals and backpackers.
Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!
The word 'bus' is an abbreviation of 'omnibus" which means 'for all' in Latin as buses were meant to be transportation for everybody.
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Busbud helps you easily search, compare and book intercity bus tickets on a worldwide scale with our comprehensive list of bus routes and schedules. With several language and currency options available, Busbud seeks to cater to international bus travelers no matter where they are in the world. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.