Train from San Marcos, TX, US to San Diego, CA, US: Tickets & Schedules

Previously seen trips

Next departures for San Marcos to San Diego on December 5
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
AmtrakTrain
San Marcos Station
Santa Fe DepotNo tags
AmtrakTrain
San Marcos Station
Old Town San DiegoNo tags
AmtrakTrain
San Marcos Station
Santa Fe DepotNo tags
AmtrakTrain
San Marcos Station
Old Town San DiegoNo tags
AmtrakTrain
San Marcos Station
Old Town San DiegoNo tags

Compare 2 ways to go from San Marcos to San Diego

We recommend taking the train

Among the sustainable travel choices, the train stands out as a good way to reach San Diego. The journey takes about 1 day, 16 hours 17 minutes, and with fares starting at just $386, it presents an excellent value for a comfortable ride.

2train per day
1d 16hAverage Duration
1852 kmDistance
168kgCO₂ emissions
Average Price$320 - $738Average Duration1d 18h
46kg CO₂e
Average Price$386 - $636Average Duration1d 16h
168kg CO₂e

Frequently asked questions about travelling from San Marcos, TX, US to San Diego, CA, US by train

Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

  1. How much is the train ticket from San Marcos to San Diego?

    The cheapest train tickets from San Marcos to San Diego start at $386. The average price for this train route is around $387. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.

  2. How long is the train ride from San Marcos to San Diego?

    The average train trip from San Marcos to San Diego takes 1d 16h and covers 1852 km. The quickest train gets you there in 1d 16h and is operated by Amtrak.

  3. Which train operators serve the San Marcos to San Diego route?

    Several major train operators serve this route, with 2 trains available per day.

  4. What are the earliest and latest departure times for the train from San Marcos to San Diego?

    The earliest train from San Marcos to San Diego departs at 7:33pm. The latest train departs at 7:33pm.

Find cheapest prices for trains

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

Best price found
12-02
No data
12-03
$371
Today
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12-05
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12-06
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12-07
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12-08
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12-09
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busbud logoThe cheapest trip from San Marcos, TX, US to San Diego, CA, US was searched and found on Dec 3, 2025 with a price of $371

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

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