How long does the bus from Bilbao to Castro-Urdiales take?

On days with service there are 30 direct departures; the trip takes about 35 minutes, from 07:00 to 23:00.

Which companies operate Bilbao–Castro-Urdiales?

This corridor is served by IRB Castro. Sarebus aggregates timetables; tickets are sold on each operator's website.

Where do buses depart and arrive?

Coaches leave from Bilbao Bus Station (Termibus) and arrive at Castro-Urdiales bus stop.

What time is the first bus from Bilbao to Castro-Urdiales?

The first departure on typical operating days is at 07:00.

What time is the last bus from Bilbao to Castro-Urdiales?

The last departure on typical operating days is at 23:00.

How often do buses run from Bilbao to Castro-Urdiales?

On a typical service day there are 30 departures between 07:00 and 23:00, roughly one every 33 minutes. Frequency varies by time of day, so check the timetable below for exact times.

Are there night buses from Bilbao to Castro-Urdiales?

Service runs late on this route: the last departure on a typical service day is at 23:00. Late-evening departures are often less frequent, and weekend timetables can differ.

Can I use the Barik card on the bus from Bilbao to Castro-Urdiales?

Yes. In the bus from Bilbao to Castro-Urdiales only the Barik card is accepted. BAT and Mugi cards are not valid. You can use the Barik card on IRB Castro (accepted only under a special CTB agreement for Castro Urdiales urban service and the Castro–Bilbao line). The Barik card is sold at Metro Bilbao ticket machines and Barik customer centres; the personalised version is requested at ctb.eus. More on the Barik page.

Sarebus does not sell tickets: compare schedules on this page and complete your booking on the operator's website.

Buses and schedules forBilbao to Castro-Urdiales

Trip information

Average on days with service

Duration: ~35 min
Buses per day: 30
First bus: 07:00
Last bus: 23:00

Stations

Bilbao
Bilbao Bus Station (Termibus)
Castro-Urdiales
Castro-Urdiales bus stop

Typical schedules

Departure	Arrival	Operator
07:00	07:35	IRB Castro · 35 min
08:00	08:35	IRB Castro · 35 min
09:00	09:35	IRB Castro · 35 min
10:00	10:35	IRB Castro · 35 min
10:30	11:05	IRB Castro · 35 min
11:00	11:35	IRB Castro · 35 min
11:30	12:05	IRB Castro · 35 min
12:00	12:35	IRB Castro · 35 min
12:30	13:05	IRB Castro · 35 min
13:00	13:35	IRB Castro · 35 min
13:30	14:05	IRB Castro · 35 min
14:00	14:35	IRB Castro · 35 min

View today's schedules View reverse route

Operators on Bilbao to Castro-Urdiales

IRB Castro

Additional information

Use your Barik card on Bilbao to Castro-Urdiales

In the bus from Bilbao to Castro-Urdiales only the Barik card is accepted. BAT and Mugi cards are not valid.

Barik (Bizkaia)
You can use the Barik card on IRB Castro (accepted only under a special CTB agreement for Castro Urdiales urban service and the Castro–Bilbao line).
The Barik card is sold at Metro Bilbao ticket machines and Barik customer centres; the personalised version is requested at ctb.eus.
More on the Barik page.

Information

Bilbao and Castro-Urdiales are connected by direct regional buses across the Basque Country and Navarre. On Sarebus you can compare typical timetables and book with each operator.

Browse departures below or search for tomorrow or another date.

Alsa is the main operator on this corridor; Sarebus shows typical departures on operating days.

Other routes from Bilbao

Bus routes to Bilbao

Frequently asked questions about Bilbao–Castro-Urdiales

On days with service there are 30 direct departures; the trip takes about 35 minutes, from 07:00 to 23:00.
Yes. In the bus from Bilbao to Castro-Urdiales only the Barik card is accepted. BAT and Mugi cards are not valid.
You can use the Barik card on IRB Castro (accepted only under a special CTB agreement for Castro Urdiales urban service and the Castro–Bilbao line). The Barik card is sold at Metro Bilbao ticket machines and Barik customer centres; the personalised version is requested at ctb.eus. More on the Barik page.