Find coaches from Portland, OR to San Diego, CA, US

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

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Tomorrow21 Jun
from US$105
Sun22 Jun
from US$170
Mon23 Jun
from US$119
Tue24 Jun
from US$120
Wed25 Jun
from US$92
Thu26 Jun
from US$90
Fri27 Jun
from US$169
Sat28 Jun

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest + Fastest
    Departure time: 21 June at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: 22 June at
    Destination city: San Diego
    Destination location: Greyhound Bus Stop
    Operated by: FlixBus + Greyhound Lines, Inc.
    FlixBus + Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: 21 June at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: 22 June 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: 21 June at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: 23 June at
    Destination city: San Diego
    Destination location: Downtown SD (Seaport)
    Operated by: FlixBusFlixBus
    Vehicle: BusDuration:
  • Departure time: 21 June at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: 23 June 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: 21 June at
    Departure city: Portland
    Departure location: Portland Union Station
    Arrival time: 22 June 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 travel from Portland to San Diego

Bus
Average priceUS$89 - US$316Average duration1d 7h
38kg CO₂e5 out of 5 stars
CheapestFastestMost eco-friendly
Train
Average priceUS$130 - US$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 a good way to reach San Diego. The journey takes about 1 day, 7 hours 10 minutes and with fares starting at just US$89, it presents an excellent value for a comfortable ride.

9bus per day
1d 7hAverage duration
US$89Cheapest ticket
38kgCO₂ emissions

Bus Portland to San Diego: Trip Overview

Average ticket priceUS$156
Average bus trip duration1d 7h
Number of daily buses8.860000000000001
Earliest bus departure02:20
Distance930 miles
Latest bus departure20:00

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 on the trip Portland, OR - San Diego, CA, US

  1. How far is San Diego from Portland by coach?

    The journey from Portland to San Diego by coach covers an approximate distance of 932 miles (1503 km).

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

    To travel from Portland to San Diego without flying, you can take the coaches. The coach ensures a pleasant travel experience, granting you the opportunity to appreciate the scenery as you make your way to your final stop. You might also find carpooling options to travel between the two cities.

Find cheapest prices for buses

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

Best price found
18/06
US$92
19/06
US$261
Today
US$198
21/06
US$124
22/06
US$163
23/06
US$125
24/06
US$113
25/06
US$161
busbud logoThe cheapest trip from Portland to San Diego was searched and found on 18 Jun 2025 with a price of US$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 US$92 to US$261 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 US$113, which is on 2025-06-24.

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 worlwide 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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