How far is Round Rock from San Antonio?

About 90 miles (144 km) separate Round Rock and San Antonio.

What are the best sights and things to do in San Antonio?

Once in San Antonio, you can start exploring the city and discover its surroundings. The top sights and things to do are The Alamo, Natural Bridge Caverns, Morgan's Wonderland Ultra-Accessible Fun Park, La Villita Historic Arts Village and McNay Art Museum.

Bus Round Rock to San Antonio from $15 | Refundable Tickets

Next bus departures

Next departures for Round Rock to San Antonio on November 13
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	1:00pm	Round Rock (Trans Ctr)	2h 15m	3:15pm	San Antonio Bus Station	CheapestFastest
FlixBus + Valley Transit	Bus	1:30pm	Round Rock (Trans Ctr)	4h 5m	5:35pm	San Antonio Bus Station	No tags

Next departures for Round Rock to San Antonio on November 14
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	1:00pm	Round Rock (Trans Ctr)	2h 15m	3:15pm	San Antonio Bus Station	CheapestFastest
FlixBus + Valley Transit	Bus	1:30pm	Round Rock (Trans Ctr)	4h 5m	5:35pm	San Antonio Bus Station	No tags

Last refresh of the prices: Last Saturday at 3:00 PM CST.

Get from Round Rock to San Antonio

This route is served by bus only

The journey takes about 2 hours 15 minutes and with fares starting at just $23, it presents an excellent value for a comfortable ride.

2bus per day

2h 15mAverage Duration

89 milesDistance

4kgCO₂ emissions

Compare bus companies

Greyhound

3.5/587,370 reviews

Staff3.6

Timeliness2.9

Cleanliness3.3

Wifi2.4

Greyhound Lines offers the most comprehensive intercity bus services in the United States. They operate a modern, environmentally friendly fleet that serves more than 2400 destinations and carries nearly 16 million passengers annually. When traveling with them, you can expect free WiFi, onboard entertainment, bathrooms, power outlets and decent legroom. One of the great perks of Greyhound is that they connect big cities and smaller towns in the US, where you usually can't get to by train or plane. If you're looking for safe and affordable transportation, Greyhound is a great choice.

US bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about traveling from Round Rock to San Antonio, US by bus

How far is Round Rock from San Antonio?
What are the best sights and things to do in San Antonio?

Find cheapest prices for buses

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

Best price found

11/10

$18

11/11

No data

Today

$20

11/13

$17

11/14

$16

11/15

No data

11/16

No data

11/17

$15

The cheapest trip from Round Rock to San Antonio, US was searched and found on Nov 17, 2025 with a price of $15

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

You can expect to pay from $15 to $20 for a bus ticket from Round Rock to San Antonio, US based on the last 2 days. You can expect to find the cheapest price for the trip at $15 which is on 2025-11-17.