The average bus between San Marcos and Dallas Union Station takes 5h 4m and the fastest bus takes 4h 57m. The bus service runs several times per day from San Marcos to Dallas Union Station. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 4 times a day between San Marcos and Dallas Union Station. The earliest departure is at 7:15 AM in the morning, and the last departure from San Marcos is at 7:10 PM which arrives into Dallas Union Station at 12:22 AM. All services require a transfer at Dallas Bus Station and take an average of 5h 4m. The schedules shown below are for the next available departures.

4h 59m • 1 change

5h 4m • 1 change
Arrives next day

5h 11m • 1 change

5h 9m • 1 change

4h 59m • 1 change
Arrives next day

5h 11m • 1 change

5h 9m • 1 change

4h 59m • 1 change
Arrives next day

5h 11m • 1 change

5h 9m • 1 change

4h 59m • 1 change

5h 4m • 1 change
Arrives next day

5h 11m • 1 change
Want to know about travelling from San Marcos to Dallas Union Station? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from San Marcos to Dallas Union Station. However, there are services departing from San Marcos station and arriving at Dallas Union Station station via Dallas Bus Station station. The journey, including transfers, takes approximately 5h 4m.
San Marcos to Dallas Union Station bus services, operated by Flixbus USA, depart from San Marcos station.
San Marcos to Dallas Union Station bus services, operated by Flixbus USA, arrive at Dallas Bus Station.
The distance between San Marcos and Dallas Union Station is 339.2 km. The road distance is 391 km.
Flixbus USA operates a bus from San Marcos to Dallas Bus Station once daily. Tickets cost $35–60 and the journey takes 4h 15m.