Next departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Union Station | Santa Fe Depot | Cheapest | |||||
| Union Station | Old Town San Diego | Fastest | |||||
| Union Station | Santa Fe Depot | No tags | |||||
| Union Station | Santa Fe Depot | No tags | |||||
| Union Station | Santa Fe Depot | No tags |
Last refresh of the prices: Yesterday at 8:37 PM PDT.
Accepted payments
Find cheapest prices for trains
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 Oct 5, 2025 with a price of US$153To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Portland, OR to San Diego, CA, US, as early as possible.
You can expect to pay from US$153 to US$1,419 for a train ticket from Portland, OR to San Diego, CA, US based on the last 2 days. You can expect to find the cheapest price for the trip at US$153 which is on 2025-10-05.
About Train Travel
Train Travel Tips
Do you like to go fast? With high-speed trains going faster than 300 km/h on certain routes, the time will fly by. Taking a train between Portland and San Diego is also a great way to travel to arrive in the city centre and save more time for your stay in San Diego.
No matter if you plan to take a regional or high-speed train to San Diego, the planet will thank you. You’ll help to protect the beautiful landscapes that will unfold before your very eyes.
By choosing the train between Portland and San Diego, you emit up to 30 times less CO2 than for the same journey made by plane or car!
Make a music playlist for your train ride from Portland to San Diego, and enjoy the scenery to tunes from your own personal soundtrack.
Did you know?
Some trains in Sweden can recover more than a fifth of the energy they use by braking. This is especially true with ore trains as they descend from Narvik to Kiruna.
You can find dogs as passengers on the trains of Moscow, where there is a large number of stray dogs. Over time, the dogs have learned the inner workings of the rail system and it is not uncommon to find one travelling between the city and the suburbs.
The first high-speed train line was inaugurated in 1964, in Japan, to connect Tokyo with Osaka. It was during the Olympics that the first passengers travelled aboard the Shinkansen at a speed of 210 km / h.
Top Travelled Train 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 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.
People from around the world trust Busbud
Popular Trains Connecting Portland
Trains Leaving from Portland
Popular Trains Connecting San Diego
Trains Going to San Diego
Popular train trips
Top Routes Worldwide
- Train from Wells to Fargo
- Train from Holland to Taylor
- Train from Washington to Leavenworth
- Train from Niagara Falls to Ontario
- Train from Buffalo to New York City
- Train from Vancouver to Washington
- Train from Seattle to Washington
- Train from Rochester to New York City
- Train from Vancouver to Washington
- Train from Montgomery to Washington
- Train from Toronto to North York
- Train from Fayetteville to Cumberland
- Train from Newark to Essex
- Train from Ventura to Simi Valley
- Train from Oxnard to Ventura