Bus Tickets from Portland (OR) to San Diego (CA), US

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TodayJun 16
TomorrowJun 17
from $137
WedJun 18
from $99
ThuJun 19
from $144
FriJun 20
from $113
SatJun 21
from $103
SunJun 22
from $170
MonJun 23
from $121

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: June 17 at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: June 18 at
    Destination city: San Diego
    Destination location: Greyhound Bus Stop
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • This trip is recommended because it is: Fastest
    Departure time: June 17 at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: June 18 at
    Destination city: San Diego
    Destination location: Greyhound Bus Stop
    Operated by: FlixBus + Greyhound Lines, Inc.
    FlixBus + Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: June 17 at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: June 18 at
    Destination city: San Diego
    Destination location: San Diego (Old Town-FlixBus)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • Departure time: June 17 at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: June 19 at
    Destination city: San Diego
    Destination location: San Diego (Old Town-FlixBus)
    Operated by: FlixBus + Greyhound Lines, Inc.
    FlixBus + Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: June 17 at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: June 18 at
    Destination city: San Diego
    Destination location: UCSD Health La Jolla Station
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:

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Compare 2 ways to go from Portland to San Diego.

Bus
Average Price$91 - $383Average Duration1d 7h
37kg CO₂e5 out of 5 stars
CheapestFastestMost eco-friendly
Train
Average Price$130 - $723Average Duration1d 10h
137kg CO₂e1 out of 5 stars
busbud logoBusbud recommends taking the bus from Portland to San Diego

Among the sustainable travel choices, the bus stands out as the good way to reach San Diego. The journey takes about 1 day, 7 hours 10 minutes and with fares starting at just $91, it presents an excellent value for a comfortable ride.

8.6bus per day
1d 7hAverage Duration
$91Cheapest ticket
37kgCO₂ emissions

Bus Portland to San Diego: Trip Overview

Average ticket price$173
Average bus trip duration1d 7h
Number of daily buses8
Earliest bus departure2:20am
Distance928 miles (1496 km)
Latest bus departure8:00pm

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.

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.

Best price found
06/14
$279
06/15
No data
Today
No data
06/17
No data
06/18
$92
06/19
$184
06/20
$119
06/21
$164
busbud logoThe cheapest trip from Portland to San Diego was searched and found on Jun 18, 2025 with a price of $92

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Portland to San Diego, as early as possible.

You can expect to pay from $92 to $279 for a bus ticket from Portland to San Diego based on the last 2 days. You can expect to find the cheapest price for the trip at $92 which is on 2025-06-18.

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 to San Diego?

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Portland by bus?

Bus from Portland to San Diego

You can also go to San Diego by train

Train from Portland to San Diego

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.

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Popular Buses Connecting Portland

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Popular Buses Connecting San Diego

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