What is the distance between Castro Urdiales and San Sebastian?

The distance between the two cities is 63 miles (101 km).

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

If you're headed to San Sebastian from Castro Urdiales, chances are that your bus will depart from Terminal de Autobuses de Castro-Urdiales and arrive at Donostia. These are the most popular pick-up and drop-off locations on this route, but you can also find other options that could better fit your plans.

Bus Castro Urdiales to San Sebastian from $14 | Refundable Tickets

Next bus departures

Next departures for Castro Urdiales to San Sebastian on November 14
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	7:45pm	Castro Urdiales	1h 45m	9:30pm	Donostia	CheapestFastest
	Bus	10:00am	Castro Urdiales	5h	3:00pm	Donostia	No tags

Next departures for Castro Urdiales to San Sebastian on November 15
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	7:45pm	Castro Urdiales	1h 45m	9:30pm	Donostia	CheapestFastest

Last refresh of the prices: Yesterday at 9:17 AM CET.

Compare 2 ways to go from Castro Urdiales to San Sebastian

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach San Sebastian. The journey takes about 1 hour 30 minutes and with fares starting at just $11, it presents an excellent value for a comfortable ride.

1carpool per day

1h 30mAverage Duration

63 milesDistance

4kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$19 - $24	Average Duration1h 45m	CO₂ emissions 3kg CO₂e
Carpool	Average Price$11 - $17	Average Duration1h 30m	CO₂ emissions 4kg CO₂e

Compare bus companies

ALSA

4.5/560,742 reviews

Staff4.7

Timeliness4.4

Cleanliness4.7

Wifi3.5

Based on 60742 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

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

Stops in Castro Urdiales

A - Terminal de Autobuses de Castro-Urdiales

Stops in San Sebastian

A - Donostia

B - Pío XII

C - Universidad

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

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

Find cheapest prices for buses

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

Best price found

11/12

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11/13

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Today

$14

11/15

$14

11/16

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11/18

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The cheapest trip from Castro Urdiales to San Sebastian was searched and found on Nov 14, 2025 with a price of $14

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Castro Urdiales to San Sebastian, as early as possible.

You can expect to pay from $14 to $18 for a bus ticket from Castro Urdiales to San Sebastian based on the last 2 days. You can expect to find the cheapest price for the trip at $14 which is on 2025-11-15.