Next departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Old Town San Diego | San Marcos Station | CheapestFastest | |||||
| Santa Fe Depot | San Marcos Station | No tags | |||||
| Santa Fe Depot | San Marcos Station | No tags | |||||
| Santa Fe Depot | San Marcos Station | No tags | |||||
| Old Town San Diego | San Marcos Station | No tags |
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Compare 2 ways to go from San Diego to San Marcos.
Busbud recommends taking the train from San Diego to San MarcosAmong the sustainable travel choices, the train stands out as the good way to reach San Marcos. The journey takes about 1 day, 14 hours 10 minutes and with fares starting at just $257, it presents an excellent value for a comfortable ride.
Train San Diego, CA, US to San Marcos, TX, US: Trip Overview
Please note, this information is subject to change.
Train Companies
Based on 5411 reviews, the company was rated 4.1 stars on Busbud. Travelers were especially satisfied with the seats and the ticket access but often complained with the wifi. Amtrak ticket prices on this trip start at $257
San Diego to San Marcos Train
With Busbud, comparing and booking tickets for a train from San Diego to San Marcos is a breeze. Browse through an extensive selection of train fares and train schedules to find the best deals.
We make it our job to connect you with the most dependable companies that offer train service from San Diego to San Marcos.
From train tickets to high-end trains trip from San Diego to San Marcos, we offer a wide range of train services to best suit your needs depending on how much your budget is.
Frequently asked questions for your trip San Diego, CA, US - San Marcos, TX, US
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from San Diego, CA, US to San Marcos, TX, US was searched and found on Aug 22, 2025 with a price of $259To save money and be sure you have the best seat, it's a good idea to buy your train tickets from San Diego, CA, US to San Marcos, TX, US, as early as possible.
You can expect to pay from $259 to $746 for a train ticket from San Diego, CA, US to San Marcos, TX, US based on the last 2 days. You can expect to find the cheapest price for the trip at $259 which is on 2025-08-22.
About Train Travel
Train Travel Tips
Taking the fastest trains allows you to travel at speeds greater than 300 km/h. Taking a trip from San Diego to San Marcos is not only much quicker but more comfortable too! You can usually travel directly to the city centre and save time while you're at it.
Whether you take a regional or high-speed train to San Marcos, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.
The train emits up to 30x less CO2 for a trip between San Diego and San Marcos compared to the same trip made by plane or car. A truly ecological mode of transport that will allow you to easily reduce your carbon footprint.
Create your own real life musical score by curating a personalized train travel playlist - the perfect accompaniment to your bus ride from San Diego to San Marcos.
Did you know?
One of the deepest train stations in the world is in Kiev. Located at a depth of 105 m, it was designed in this way to serve as a shelter in the event of an attack. The second deepest station is in China. Badaling station is located 60 m under the Great Wall of China!
Railway companies played a major role as early as 1883 in the use of time zones as we know them today.
New York holds the record for the most platforms and track numbers in a single station. Grand Central Station in Manhattan is one of the largest rail terminals in the world with more than 44 platforms and 67 tracks to accommodate passengers.
Top Traveled Train Routes
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