Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Old Town San Diego | San Marcos Station | CheapestFastest | ||||
| Train | Santa Fe Depot | San Marcos Station | No tags | ||||
| Train | Santa Fe Depot | San Marcos Station | No tags | ||||
| Train | Santa Fe Depot | San Marcos Station | No tags | ||||
| Train | Old Town San Diego | San Marcos Station | No tags |
Last refresh of the prices: Last Friday at 4:00 AM PST.
Compare 2 ways to go from San Diego to San Marcos
Among the sustainable travel choices, the Train stands out as a good way to reach San Marcos. The journey takes about 1 day, 14 hours 12 minutes, and with fares starting at just $442, it presents an excellent value for a comfortable ride.
Train companies
Based on 5751 reviews, the company was rated 4.1 stars on Busbud. Travellers were especially satisfied with the seats and the ticket access but often complained with the Wi‑Fi. Amtrak ticket prices on this trip start at $442
Frequently asked questions about travelling from San Diego, CA, US to San Marcos, TX, US by train
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the train ticket from San Diego to San Marcos?
The cheapest train tickets from San Diego to San Marcos start at $442. The average price for this train route is around $442. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from San Diego to San Marcos?
The average train trip from San Diego to San Marcos takes 1d 14h and covers 1852 km. The quickest train gets you there in 1d 14h and is operated by Amtrak.
Which train operators serve the San Diego to San Marcos route?
Several major train operators serve this route, with 2 trains available per day.
What are the earliest and latest departure times for the train from San Diego to San Marcos?
The earliest train from San Diego to San Marcos departs at 4:01pm. The latest train departs at 4:10pm.
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 Jan 28, 2026 with a price of $265To 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 $265 to $1,296 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 $265 which is on 2026-01-28.
