Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Piedras Negras (Coah) | San Luis Potosí (SLP) | Cheapest | ||||
 | Bus | Central de Autobuses Piedras Negras | Central de Autobuses | Fastest | ||||
| Bus | Central de Autobuses Piedras Negras | Central de Autobuses | No tags | ||||
 | Bus | Central de Autobuses Piedras Negras | Central de Autobuses | No tags | ||||
Diamante + Del Norte | Bus | Piedras Negras (Coah) | San Luis Potosí (SLP) | No tags |
Last refresh of the prices: Today at 7:52 AM CST.
Compare 2 ways to go from Piedras Negras to San Luis Potosí
Among the sustainable travel choices, the carpool stands out as the good way to reach San Luis Potosí. The journey takes about 11 hours 10 minutes and with fares starting at just $34, it presents an excellent value for a comfortable ride.
| Average Price | Average Duration | CO₂ emissions | Actions | |
|---|---|---|---|---|
| Average Price$0 - $207 | Average Duration16h 45m | 18kg CO₂e | ||
Carpool | Average Price$34 - $34 | Average Duration11h 10m | 31kg CO₂e |
Where are the popular stops in Piedras Negras and San Luis Potosí?
Stops in Piedras Negras
- A
Central de Autobuses Piedras Negras
Allende, 100 (Esq. con Galeana) Centro, 26000 Piedras Negras, Coahuila de Zaragoza
Stops in San Luis Potosí
- ABenito Juárez 250, Damián Carmona, 78399 San Luis Potosí
- B
Terminal Terrestre Potosina
Carretera México, Km 2.5, s/n (Col. Santa Fe Sur), 78390 San Luis Potosi - C
Avenida Mexico #1147
Avenida Mexico #1147, De Tequisquiapan, 78230 San Luis, S.L.P., Mexico
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Frequently asked questions about traveling from Piedras Negras to San Luis Potosí by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How long is the bus ride from Piedras Negras to San Luis Potosí?
The average bus trip duration from Piedras Negras to San Luis Potosí is 16h 45m, covering a distance of 453 miles (731 km). The quickest bus can get you there in 12h 5m and is operated by Anahuac.
Which bus companies service the Piedras Negras to San Luis Potosí route?
Several major bus companies operate on this route with 23 buses available per day, including services from Senda Diamante, Anahuac, Futura, Diamante, Transportes Frontera.
What is the earliest and latest departure time for the bus from Piedras Negras to San Luis Potosí?
The earliest bus departs from Piedras Negras to San Luis Potosí at 12:00am. And the latest bus departs at 11:00pm.
What are the CO₂ emissions for the bus trip from Piedras Negras to San Luis Potosí?
A bus trip from Piedras Negras to San Luis Potosí generates an estimated 18 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
What is the best bus company from Piedras Negras to San Luis Potosí?
According to Busbud customers, the highest-rated bus company on this route is Diamante, with an average rating of 4.1 out of 5 stars based on 362 reviews.
Which bus company has the best Wi-Fi from Piedras Negras to San Luis Potosí?
Based on reviews on Busbud, the bus company Senda Diamante has the best Wi-Fi rating with a score of 3.9.
Which bus company has the most timely service from Piedras Negras to San Luis Potosí?
According to Busbud traveller reviews, the most timely bus company on this route is Senda Diamante, with a punctuality rating of 4.1 out of 5 stars.
Which bus company has the cleanest buses from Piedras Negras to San Luis Potosí?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Diamante, with a cleanliness rating of 4.3 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Piedras Negras to San Luis Potosí was searched and found on Dec 3, 2025 with a price of $111To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Piedras Negras to San Luis Potosí, as early as possible.
You can expect to pay from $111 to $132 for a bus ticket from Piedras Negras to San Luis Potosí based on the last 2 days. You can expect to find the cheapest price for the trip at $111 which is on 2025-12-03.
Top traveled bus routes
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