Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Donostia | Castro Urdiales | CheapestFastest | ||||
| Bus | Donostia | Castro Urdiales | No tags |
Last refresh of the prices: Last Sunday at 9:51 PM CET.
Compare 2 ways to go from San Sebastian to Castro Urdiales
Among the sustainable travel choices, the carpool stands out as the good way to reach Castro Urdiales. The journey takes about 1 hour 20 minutes and with fares starting at just $6, it presents an excellent value for a comfortable ride.
| Average Price | Average Duration | CO₂ emissions | Actions | |
|---|---|---|---|---|
| Average Price$19 - $19 | Average Duration1h 50m | 3kg CO₂e | ||
Carpool | Average Price$6 - $19 | Average Duration1h 20m | 4kg CO₂e |
Where are the popular stops in San Sebastian and Castro Urdiales?
Stops in San Sebastian
- AFederico García Lorca Pasealekua, 2, 20014 Donostia, Gipuzkoa, Spain
- B
Pío XII
Pio XII.aren Plaza, 3, 20010 Donostia, Gipuzkoa, Spain - C
Universidad
Tolosa Hiribidea, 71, 20018 Donostia, Gipuzkoa, Spain
Stops in Castro Urdiales
- A
Terminal de Autobuses de Castro-Urdiales
Calle Leonardo Rucabado, 42, 39700 Castro Urdiales, Cantabria, Spain
Compare bus companies
Based on 60863 reviews, the company was rated 4.3 stars on Busbud. Travelers were especially satisfied with the ticket access and the staff but often complained with the wifi. ALSA ticket prices on this trip start at $19
Frequently asked questions about traveling from San Sebastian to Castro Urdiales by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from San Sebastian to Castro Urdiales?
The cheapest bus tickets from San Sebastian to Castro Urdiales start from $19. The average price for this route is around $19. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from San Sebastian to Castro Urdiales?
The average bus trip duration from San Sebastian to Castro Urdiales is 1h 50m, covering a distance of 63 miles (101 km). The quickest bus can get you there in 1h 50m and is operated by ALSA.
Which bus companies service the San Sebastian to Castro Urdiales route?
Several major train operators operate on this route with 1 trains available per day.
What is the earliest and latest departure time for the bus from San Sebastian to Castro Urdiales?
The earliest bus departs from San Sebastian to Castro Urdiales at 2:10pm. And the latest bus departs at 9:00pm.
What are the CO₂ emissions for the bus trip from San Sebastian to Castro Urdiales?
A bus trip from San Sebastian to Castro Urdiales generates an estimated 3 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from San Sebastian to Castro Urdiales was searched and found on Dec 1, 2025 with a price of $13To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from San Sebastian to Castro Urdiales, as early as possible.
You can expect to pay from $13 to $13 for a bus ticket from San Sebastian to Castro Urdiales based on the last 2 days. You can expect to find the cheapest price for the trip at $13 which is on 2025-12-04.
Top traveled bus routes
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