What is the travel distance from San Sebastian to Castro Urdiales?

San Sebastian and Castro Urdiales are 63 miles (101 km) apart.

What are the departure and arrival stations when taking the bus from San Sebastian to Castro Urdiales?

The majority of buses traveling from San Sebastian to Castro Urdiales start their journey at Donostia and wind up at Terminal de Autobuses de Castro-Urdiales. These are the most popular departure and arrival locations on this route, but you can also find other options that could better fit your plans.

Bus San Sebastian to Castro Urdiales from $13 | Refundable Tickets

Next bus departures

Next departures for San Sebastian to Castro Urdiales on November 25
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	2:10pm	Donostia	1h 50m	4:00pm	Castro Urdiales	CheapestFastest
	Bus	9:00pm	Donostia	1h 50m	10:50pm	Castro Urdiales	No tags

Next departures for San Sebastian to Castro Urdiales on November 26
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	2:10pm	Donostia	1h 50m	4:00pm	Castro Urdiales	CheapestFastest
	Bus	9:00pm	Donostia	1h 50m	10:50pm	Castro Urdiales	No tags

Last refresh of the prices: Last Friday at 1:27 PM CET.

Compare 2 ways to go from San Sebastian to Castro Urdiales

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach Castro Urdiales. The journey takes about 1 hour 40 minutes and with fares starting at just $8, it presents an excellent value for a comfortable ride.

4carpool per day

1h 40mAverage Duration

63 milesDistance

4kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$19 - $19	Average Duration1h 50m	CO₂ emissions 3kg CO₂e
Carpool	Average Price$8 - $17	Average Duration1h 40m	CO₂ emissions 4kg CO₂e

Where are the popular stops in San Sebastian and Castro Urdiales?

Stops in San Sebastian

A
Donostia
Federico García Lorca Pasealekua, 2, 20014 Donostia, Gipuzkoa, Spain
Visit page
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

ALSA

4.5/560,815 reviews

Staff4.7

Timeliness4.4

Cleanliness4.7

Wifi3.5

Based on 60815 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

ES bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Rede Expressos, Trenitalia

Frequently asked questions about traveling from San Sebastian to Castro Urdiales by bus

What is the travel distance from San Sebastian to Castro Urdiales?
What are the departure and arrival stations when taking the bus from San Sebastian to Castro Urdiales?

Find cheapest prices for buses

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

Best price found

11/21

No data

11/22

$13

Today

No data

11/24

No data

11/25

$13

11/26

$13

11/27

No data

11/28

No data

The cheapest trip from San Sebastian to Castro Urdiales was searched and found on Nov 25, 2025 with a price of $13

To 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 2025-11-25.