Can I buy a bus ticket from Altsasu / Alsasua to Castro-Urdiales on Sarebus?

No. Sarebus brings together timetables from the operators on the Altsasu / Alsasua to Castro-Urdiales route. When you use search, you get a link to buy your ticket securely on the operator's website.

Are there direct buses between Altsasu / Alsasua and Castro-Urdiales?

No direct service is listed on typical operating days. Sarebus shows one-transfer options; use search to see the connection point and each leg's times.

Where can I check bus times from Altsasu / Alsasua to Castro-Urdiales?

On Sarebus you will find up-to-date timetables from the operators serving Altsasu / Alsasua to Castro-Urdiales, so you can compare options before you travel.

How early should I arrive at the station?

With an online ticket, aim to arrive about 15 minutes before departure. If you prefer more margin, allow about 30 minutes. The main stop is in the Altsasu / Alsasua centre; some departures also use Isidoro Melero.

Do timetables change at weekends?

Yes. Times can vary by weekday, season or demand. On busy dates operators often add extra departures. Always check your travel date.

This page lists the operators on the route, available times, typical duration, stops, whether the service is direct or involves a transfer, and the link to buy on the operator's website.

Buses and schedules forAltsasu to Castro-Urdiales

Trip information

Average on days with service

Duration: ~120 min
Buses per day: 50
First bus: 07:15
Last bus: 21:15

Stations

Altsasu
Altsasu / Alsasua bus stop
Castro-Urdiales
Castro-Urdiales bus stop

Typical schedules

Departure	Arrival	Stop	Operator
07:15	08:30	Altsasu / Alsasua (Isidoro Melero)	Alavabus
09:00	09:35	Bilbo / Bilbao (Intermodal)	IRB Castro · 140 min
08:15	09:30	Altsasu / Alsasua (Isidoro Melero)	Alavabus
10:00	10:35	Bilbo / Bilbao (Intermodal)	IRB Castro · 140 min
08:15	09:30	Altsasu / Alsasua (Isidoro Melero)	Alavabus
10:30	11:05	Bilbo / Bilbao (Intermodal)	IRB Castro · 170 min
08:15	09:30	Altsasu / Alsasua (Isidoro Melero)	Alavabus
10:30	11:10	Bilbo / Bilbao (Intermodal)	Alsa · 175 min
08:45	10:00	Altsasu / Alsasua (Isidoro Melero)	Alavabus
10:30	11:05	Bilbo / Bilbao (Intermodal)	IRB Castro · 140 min
08:45	10:00	Altsasu / Alsasua (Isidoro Melero)	Alavabus
11:00	11:35	Bilbo / Bilbao (Intermodal)	IRB Castro · 170 min
09:40	10:30	Altsasu / Alsasua	Alsa
10:45	12:30	Vitoria-Gasteiz (Autobus Geltokia)	Alsa · 170 min
09:45	11:00	Altsasu / Alsasua (Isidoro Melero)	Alavabus
11:30	12:05	Bilbo / Bilbao (Intermodal)	IRB Castro · 140 min
09:45	11:00	Altsasu / Alsasua (Isidoro Melero)	Alavabus
12:00	12:35	Bilbo / Bilbao (Intermodal)	IRB Castro · 170 min
10:15	11:30	Altsasu / Alsasua (Isidoro Melero)	Alavabus
12:00	12:30	Bilbo / Bilbao (Intermodal)	Alsa · 135 min
10:15	11:30	Altsasu / Alsasua (Isidoro Melero)	Alavabus
12:00	12:35	Bilbo / Bilbao (Intermodal)	IRB Castro · 140 min
10:15	11:30	Altsasu / Alsasua (Isidoro Melero)	Alavabus
12:30	13:05	Bilbo / Bilbao (Intermodal)	IRB Castro · 170 min

View schedules tomorrow View reverse route

Operators on Altsasu to Castro-Urdiales

Information

There is no direct bus from Altsasu / Alsasua to Castro-Urdiales on typical operating days. Practical options combine two legs with a transfer. Most connections are at Bilbo / Bilbao (Intermodal).

Compare itineraries on Sarebus and book on each operator's site. See sample departures below or search another date.

Other routes from Altsasu

Bus routes to Altsasu

Frequently asked questions about Altsasu–Castro-Urdiales

No. Sarebus brings together timetables from the operators on the Altsasu / Alsasua to Castro-Urdiales route. When you use search, you get a link to buy your ticket securely on the operator's website.