Bus from San Marcos, TX, US to San Antonio, US: Tickets & Schedules

Next bus departures

Next departures for San Marcos to San Antonio on January 28
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
FlixBusBus
San Marcos Station
San Antonio Bus StationCheapest
FlixBusBus
San Marcos Station
Pearl DistrictFastest
Valley TransitBus
San Marcos Station
San Antonio Bus StationNo tags
FlixBusBus
San Marcos Station
San Antonio Bus StationNo tags
ExpresoBus
Restaurant Mazatlan
Tornado I-35No tags

Last refresh of the prices: Yesterday at 9:12 AM CST.

Compare 2 ways to go from San Marcos to San Antonio

We recommend taking the train

Among the sustainable travel choices, the Train stands out as a good way to reach San Antonio. The journey takes about 2 hours 38 minutes, and with fares starting at just $17, it presents an excellent value for a comfortable ride.

1train per day
2h 38mAverage Duration
73 kmDistance
7kgCO₂ emissions
Average Price$22 - $134Average Duration1h
2kg CO₂e
Average Price$17 - $24Average Duration2h 38m
7kg CO₂e

Frequently asked questions about travelling from San Marcos, TX, US to San Antonio, US by bus

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 bus ticket from San Marcos to San Antonio?

    The cheapest bus tickets from San Marcos to San Antonio start from $22. The average price for this route is around $119. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

  2. How long is the bus ride from San Marcos to San Antonio?

    The average bus travel time from San Marcos to San Antonio is 1h, covering a distance of 73 km. The quickest bus can get you there in 45m and is operated by Tornado Bus.

  3. Which bus companies service the San Marcos to San Antonio route?

    Several major bus companies operate on this route with 16 buses available per day, including services from Tornado Bus, FlixBus, Valley Transit.

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

    The earliest bus departs from San Marcos to San Antonio at 12:10am. And the latest bus departs at 11:40pm.

  5. What are the CO₂ emissions for the bus trip from San Marcos to San Antonio?

    A bus trip from San Marcos to San Antonio generates an estimated 2 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.

  6. What is the best bus company from San Marcos to San Antonio?

    According to Busbud customers, the highest-rated bus company on this route is FlixBus, with an average rating of 3.5 out of 5 stars based on 12050 reviews.

  7. Which bus company has the best Wi-Fi from San Marcos to San Antonio?

    Based on Busbud reviews, the bus company Tornado Bus has the highest Wi-Fi rating with a score of 3.9.

  8. Which bus company has the best on-time performance from San Marcos to San Antonio?

    According to Busbud traveller reviews, the most punctual bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.

  9. Which bus company has the cleanest buses from San Marcos to San Antonio?

    According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Tornado Bus, with a cleanliness rating of 4.4 out of 5 stars.

Find cheapest prices for buses

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

Best price found
01-25
No data
01-26
$14
Today
$14
01-28
$14
01-29
$12
01-30
$14
01-31
No data
02-01
No data
busbud logoThe cheapest trip from San Marcos, TX, US to San Antonio, US was searched and found on Jan 29, 2026 with a price of $12

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

You can expect to pay from $12 to $113 for a bus ticket from San Marcos, TX, US to San Antonio, US based on the last 2 days. You can expect to find the cheapest price for the trip at $12 which is on 2026-01-29.

Usually Tornado Bus will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.

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