TX → TX · about 29 miles
San Marcos to Austin bus & train schedule
Amtrak and FlixBus run 33 direct buses and trains a week from San Marcos to Austin. The fastest takes 35 minutes; the first departure leaves at 7:15 AM and the last at 7:10 PM.
Timetable data from · No schedule changes since at least
- Buses and trains a week
- 33
- Fastest trip
- 35m
- First departure
- 7:15 AM
- Last departure
- 7:10 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 |
|---|---|---|---|---|---|
| 7:15 AM | 8:00 AM | 45m | Wed–Sun | San Marcos CARTS to Austin South Congress | FlixBus Full timetable |
| 8:22 AM | 9:16 AM | 54m | Daily | San Marcos Amtrak to Austin | Amtrak Full timetable |
| 8:40 AM | 9:15 AM | 35m | Daily | San Marcos CARTS to Austin South Congress | FlixBus Full timetable |
| 10:50 AM | 11:25 AM | 35m | Mon, Fri, Sat, Sun | San Marcos CARTS to Austin South Congress | FlixBus Full timetable |
| 7:10 PM | 7:50 PM | 40m | Daily | San Marcos CARTS to Austin South Congress | FlixBus Full timetable |
Route map
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Where to board in San Marcos Where you get off in Austin The route of the busiest trip
Where to board in San Marcos
- San Marcos Amtrak Map of San Marcos Amtrak (Google Maps)
Where buses and trains stop in Austin
Return trip: Austin to San Marcos
Questions
How long is the bus or train from San Marcos to Austin?
The fastest direct bus or train takes 35 minutes; the typical trip is 45 minutes.
What time is the first departure from San Marcos to Austin?
The earliest departure is at 7:15 AM (Wed–Sun) and the last at 7:10 PM (Daily).
Which bus and rail companies go from San Marcos to Austin?
Amtrak and FlixBus run direct buses and trains on this route.
Where do I board in San Marcos?
Buses and trains to Austin leave from San Marcos Amtrak.