TX → TX · about 29 miles
Austin to San Marcos bus & train schedule
Amtrak and FlixBus run 33 direct buses and trains a week from Austin to San Marcos. The fastest takes 46 minutes; the first departure leaves at 2:00 PM and the last at 10:35 PM.
Timetable data from · No schedule changes since at least
- Buses and trains a week
- 33
- Fastest trip
- 46m
- First departure
- 2:00 PM
- Last departure
- 10:35 PM
Timetable
Times are local to each stop. Timetables published by tds.ai, refreshed October 15, 2026. Schedules change, so check times when you book.
| Departs | Arrives | Duration | Days | Stops | Company |
|---|---|---|---|---|---|
| 2:00 PM | 3:00 PM | 1h 00m | Daily | Downtown Austin to San Marcos CARTS | FlixBus Full timetable |
| 6:40 PM | 7:30 PM | 50m | Wed–Sun | Downtown Austin to San Marcos CARTS | FlixBus Full timetable |
| 7:22 PM | 8:08 PM | 46m | Daily | Austin to San Marcos Amtrak | Amtrak Full timetable |
| 9:25 PM | 10:15 PM | 50m | Daily | Downtown Austin to San Marcos CARTS | FlixBus Full timetable |
| 10:35 PM | 11:25 PM | 50m | Mon, Fri, Sat, Sun | Downtown Austin to San Marcos CARTS | FlixBus Full timetable |
Route map
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Where to board in Austin Where you get off in San Marcos The route of the busiest trip
Where to board in Austin
Where buses and trains stop in San Marcos
- San Marcos Amtrak Map of San Marcos Amtrak (Google Maps)
Return trip: San Marcos to Austin
Questions
How long is the bus or train from Austin to San Marcos?
The fastest direct bus or train takes 46 minutes; the typical trip is 50 minutes.
What time is the first departure from Austin to San Marcos?
The earliest departure is at 2:00 PM (Daily) and the last at 10:35 PM (Mon, Fri, Sat, Sun).
Which bus and rail companies go from Austin to San Marcos?
Amtrak and FlixBus run direct buses and trains on this route.
Where do I board in Austin?
Buses and trains to San Marcos leave from Austin Amtrak station and Downtown Austin.