Bus Tickets from San Antonio, US to San Marcos, TX, US

Find affordable bus tickets from San Antonio, US to San Marcos, TX, US with flexible options. Book your trip now

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TodayAug 7
from US$18
TomorrowAug 8
from US$17
SatAug 9
from US$17
SunAug 10
from US$17
MonAug 11
from US$17
TueAug 12
from US$16
WedAug 13
from US$16
ThuAug 14

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: August 8 at
    Departure city: San Antonio
    Departure location: San Antonio Bus Station
    Arrival time: August 8 at
    Destination city: San Marcos
    Destination location: San Marcos Station
    Operated by: FlixBusFlixBus
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: August 8 at
    Departure city: San Antonio
    Departure location: Pearl District
    Arrival time: August 8 at
    Destination city: San Marcos
    Destination location: San Marcos Station
    Operated by: FlixBusFlixBus
    Vehicle: BusDuration:
  • Departure time: August 8 at
    Departure city: San Antonio
    Departure location: San Antonio Bus Station
    Arrival time: August 8 at
    Destination city: San Marcos
    Destination location: San Marcos Station
    Operated by: FlixBusFlixBus
    Vehicle: BusDuration:
  • Departure time: August 8 at
    Departure city: San Antonio
    Departure location: San Antonio Bus Station
    Arrival time: August 8 at
    Destination city: San Marcos
    Destination location: San Marcos Station
    Operated by: Valley TransitValley Transit
    Vehicle: BusDuration:
  • Departure time: August 8 at
    Departure city: San Antonio
    Departure location: Tornado I-35
    Arrival time: August 8 at
    Destination city: San Marcos
    Destination location: Restaurant Mazatlan
    Operated by: ConexionesConexiones
    Vehicle: BusDuration:

Last refresh of the prices: Last Monday at 3:21 PM CDT.

Prices and availability are subject to change.

Accepted payments

  • Visa
  • MasterCard
  • American Express
  • China Union Pay
  • Diners Club Canada
  • Discover Click to Pay
  • JCB payment
  • Klarna (Pay over time)
  • Google Pay

Compare 2 ways to go from San Antonio to San Marcos

Bus
Average PriceUS$16 - US$74Average Duration1h
2kg CO₂e5 out of 5 stars
FastestMost eco-friendly
Train
Average PriceUS$12 - US$17Average Duration1h 32m
7kg CO₂e1 out of 5 stars
Cheapest
busbud logoBusbud recommends taking the train from San Antonio to San Marcos

Among the sustainable travel choices, the train stands out as a good way to reach San Marcos. The journey takes about 1 hour 32 minutes, and with fares starting at just US$12, it presents an excellent value for a comfortable ride.

1train per day
1h 32mAverage Duration
US$12Cheapest ticket
7kgCO₂ emissions

Bus San Antonio, US to San Marcos, TX, US: Trip Overview

Average Ticket PriceUS$69
Average Bus Trip Duration1h
Number of daily buses15
Earliest bus departure1:30am
Distance82 km
Latest bus departure6:20pm

San Antonio to San Marcos Bus

With Busbud, comparing and booking tickets for a bus from San Antonio to San Marcos is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

We make sure you can find a bus service from San Antonio to San Marcos from the most reliable bus companies operating this trip.

Discover how much the bus trip from San Antonio to San Marcos will cost you. Use our filters and sorting features to find the cheapest bus tickets or luxury buses.

Frequently asked questions on the trip San Antonio, US - San Marcos, TX, US

  1. What is the distance between San Antonio and San Marcos?

    It's about 67 km (42 miles) from San Antonio to San Marcos.

  2. What are the departure and arrival locations for buses traveling from San Antonio to San Marcos?

    Buses departing from Tornado I-35 in San Antonio will take you to San Marcos Station in San Marcos.

Find cheapest prices for buses

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

Best price found
08-05
US$10
08-06
US$11
Today
US$10
08-08
US$10
08-09
US$10
08-10
US$10
08-11
US$9
08-12
US$9
busbud logoThe cheapest trip from San Antonio, US to San Marcos, TX, US was searched and found on Aug 12, 2025 with a price of US$9

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

You can expect to pay from US$9 to US$80 for a bus ticket from San Antonio, US to San Marcos, TX, US based on the last 2 days. You can expect to find the cheapest price for the trip at US$9 which is on 2025-08-12.

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.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while travelling from San Antonio to San Marcos.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

Start sightseeing the minute your bus leaves the station. If you're on the night bus from San Antonio to San Marcos, get comfy and count the stars.

Buses have one of the smallest carbon footprints of motorized transport modes. A bus going from San Antonio to San Marcos will emit less CO2 than a car or an airplane.

Tune out to the fine sounds of your best music playlist on your bus trip from San Antonio to San Marcos while indulging in miles on end of beautiful scenic views.

Did you know?

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travellers have used their electronic device on board during 2014.

Did you know there are on average 4,400 intercity bus departures every day in the US only? This number has been growing for 9 years in a row, yay!

Will you be returning to San Antonio, US by bus?

Bus from San Antonio, US to San Marcos, TX, US

You can also go to San Marcos, TX, US by train

Train from San Antonio, US to San Marcos, TX, US

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud.com makes it easy for you to find, compare and book city-to-city bus tickets, all over the world. We save you the extra trip to the bus station. With several language and currency options available, Busbud seeks to cater to international bus travellers no matter where they are in the world. Busbud prides itself on its worldwide partnerships. We make it possible for you to buy tickets with its large network of trustworthy bus partners like Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.

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