Cheap buses leaving tomorrow
One passenger / one way
- This trip is recommended because it is: Cheapest
- This trip is recommended because it is: Fastest
Accepted payments
Compare 2 ways to go from Portland to San Diego.
Busbud recommends taking the bus from Portland to San DiegoAmong the sustainable travel choices, the bus stands out as the good way to reach San Diego. The journey takes about 1 day, 7 hours 30 minutes and with fares starting at just $85, it presents an excellent value for a comfortable ride.
Bus Portland, OR to San Diego, CA, US: Trip Overview
Compare bus companies
Portland to San Diego 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 San Diego.
Bus service from Portland to San Diego will be provided by the most trusted bus companies.
Whether it is cheap bus tickets or more luxurious buses going to San Diego from Portland, we help you find what you're looking for based on how much of a budget you have.
Where are the popular stops in Portland and San Diego?
Frequently asked questions for your trip Portland, OR - San Diego, CA, US
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 San Diego, CA, US was searched and found on Aug 9, 2025 with a price of $138To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Portland, OR to San Diego, CA, US, 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 San Diego but it'll also be endearing to native speakers who will surely appreciate your effort.
Much more than a mere vehicle taking you from Portland to San Diego, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.
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 San Diego.
Make a music playlist for your bus ride from Portland to San Diego, and enjoy the scenery to tunes from your own personal soundtrack.
Did you know?
The word 'bus' is an abbreviation of 'omnibus" which means 'for all' in Latin as buses were meant to be transportation for everybody.
The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!
9.2% of ground transportation in Europe is done by bus versus 7.4% by train.
What's the cheapest way to go from Portland, OR to San Diego, CA, US?
The bus is the cheapest travel choice for this destinationTop traveled bus routes
Why choose Busbud?
The Best Way To Book Bus and Train Tickets
Busbud helps you easily search, compare and book intercity bus tickets on a worldwide scale with our comprehensive list of bus routes and schedules. Use Busbud to book your trip online, in your own language and currency, wherever you are. With Busbud, you can buy tickets with confidence. We ensure that you make the most out of your bus trip by partnering up with reliable bus companies from all around the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.
People from around the world trust Busbud
Popular Buses Connecting Portland
Buses Leaving from Portland
Buses Going to Portland
Popular Buses Connecting San Diego
Buses Leaving from San Diego
Buses Going to San Diego
- Bus from Manchester to San Diego
- Bus Santa Fe - San Diego
- San Marcos - San Diego
- Bus from Grants to San Diego
- Bus Spring Hill - San Diego
- Los Angeles - San Diego
- Bus from Calexico to San Diego
- Bus Las Vegas - San Diego
- Phoenix - San Diego
- Bus from Menifee to San Diego
- Bus Yuma - San Diego
- El Centro - San Diego