What is the travel distance from San Antonio to Piedras Negras?

The distance between San Antonio and Piedras Negras is approximately 214 km (133 miles).

What are the departure and arrival locations for buses traveling from San Antonio to Piedras Negras?

Buses departing from Tornado I-35 in San Antonio will take you to Central de Autobuses Piedras Negras in Piedras Negras.

Bus San Antonio to Piedras Negras from $109 | Refundable Tickets

Next bus departures

Next departures for San Antonio to Piedras Negras on November 22
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	1:45pm	Tornado I-35	3h 10m	4:55pm	Piedras Negras (Gasolinera Galma), (COAH - CT Piedras Negras)	CheapestFastest
Tornado Bus + Diamante	Bus	1:45pm	Tornado I-35	11h 55m	1:40am	Piedras Negras (Coah)	No tags

Next departures for San Antonio to Piedras Negras on November 24
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	1:45pm	Tornado I-35	3h 10m	4:55pm	Piedras Negras (Gasolinera Galma), (COAH - CT Piedras Negras)	CheapestFastest
Tornado Bus + Diamante	Bus	1:45pm	Tornado I-35	11h 55m	1:40am	Piedras Negras (Coah)	No tags

Next departures for San Antonio to Piedras Negras on November 25
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
	Bus	1:45pm	Tornado I-35	3h 10m	4:55pm	Piedras Negras (Gasolinera Galma), (COAH - CT Piedras Negras)	CheapestFastest
	Bus	10:45am	Tornado I-35	6h 10m	4:55pm	Piedras Negras (Gasolinera Galma), (COAH - CT Piedras Negras)	No tags
Conexiones + Tornado Bus	Bus	10:15am	Tornado I-35	6h 40m	4:55pm	Piedras Negras (Gasolinera Galma), (COAH - CT Piedras Negras)	No tags

Next departures for San Antonio to Piedras Negras on November 27
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	1:45pm	Tornado I-35	3h 10m	4:55pm	Piedras Negras (Gasolinera Galma), (COAH - CT Piedras Negras)	CheapestFastest

Last refresh of the prices: Yesterday at 8:03 PM CST.

Compare 2 ways to go from San Antonio to Piedras Negras

We recommend taking the bus

Among the sustainable travel choices, the bus stands out as a good way to reach Piedras Negras. The journey takes about 3 hours 10 minutes, and with fares starting at just $99, it presents an excellent value for a comfortable ride.

1bus per day

3h 10mAverage Duration

207 kmDistance

5kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$99 - $244	Average Duration3h 10m	CO₂ emissions 5kg CO₂e
Carpool	Average Price$16 - $16	Average Duration2h 40m	CO₂ emissions 9kg CO₂e

Where are the popular stops in San Antonio and Piedras Negras?

Stops in San Antonio

A
Tornado I-35
7914 Interstate 35 Access Rd, San Antonio, TX 78224, USA
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B
San Antonio Bus Station
500 N St Mary's St, San Antonio, TX 78205, USA
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C
San Antonio, TX
165 Bowie St, San Antonio, 78205
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D
4407 S PanAm Expy #101
4407 S PanAm Expy #101, San Antonio, TX 78225, USA
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Stops in Piedras Negras

A
Central de Autobuses Piedras Negras
Allende, 100 (Esq. con Galeana) Centro, 26000 Piedras Negras, Coahuila de Zaragoza
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Compare bus companies

Tornado Bus

3/5155 reviews

Staff4.5

Timeliness3.2

Cleanliness4.5

Wifi3.7

Turimex Internacional

3/5649 reviews

Staff4.1

Timeliness2

Cleanliness3.7

Wifi2.8

Based on 649 reviews, the company was rated 3 stars on Busbud. Travellers were especially satisfied with the ticket access and the temperature but often complained with the timeliness. Turimex Internacional ticket prices on this trip start at $149

Turimex San Antonio Piedras Negras recent customer reviews

Horrible customer service .. I had to cancel my trip and a rep never answered my phone call

Albertto G.

June 27, 2018

RedCoach

4/54,065 reviews

Staff4.6

Timeliness3.9

Cleanliness4.6

Wifi3.8

MX Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about travelling from San Antonio, US to Piedras Negras by bus

What is the travel distance from San Antonio to Piedras Negras?
The distance between San Antonio and Piedras Negras is approximately 214 km (133 miles).
What are the departure and arrival locations for buses traveling from San Antonio to Piedras Negras?
Buses departing from Tornado I-35 in San Antonio will take you to Central de Autobuses Piedras Negras in Piedras Negras.

Find cheapest prices for buses

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

Best price found

11-19

$94

11-20

$94

Today

$109

11-22

$109

11-23

$109

11-24

$109

11-25

$109

11-26

$109

The cheapest trip from San Antonio, US to Piedras Negras was searched and found on Nov 19, 2025 with a price of $94

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 Piedras Negras, as early as possible.

You can expect to pay from $94 to $109 for a bus ticket from San Antonio, US to Piedras Negras based on the last 2 days. You can expect to find the cheapest price for the trip at $109 which is on 2025-11-22.