Cheap buses leaving Saturday
One passenger / one way
- This trip is recommended because it is the: Cheapest + FastestDeparture time: August 2 atDeparture city: San SebastianDeparture location: DonostiaArrival time: August 2 atDestination city: Castro UrdialesDestination location: Castro UrdialesOperated by: ALSA
Vehicle: BusDuration:
Last refresh of the prices: Last Monday at 11:47 PM CEST.
Prices and availability are subject to change.
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Compare 2 ways to go from San Sebastian to Castro Urdiales
| Average Price | Average Duration | CO₂ emissions | |||
|---|---|---|---|---|---|
| Average PriceUS$19 - US$19 | Average Duration1h 50m | 3kg CO₂e5 out of 5 stars | Most eco-friendly | ||
Carpool | Average PriceUS$9 - US$19 | Average Duration1h 40m | 4kg CO₂e4 out of 5 stars | CheapestFastest |
Busbud recommends carpooling from San Sebastian to Castro UrdialesAmong the sustainable travel choices, the carpool stands out as a good way to reach Castro Urdiales. The journey takes about 1 hour 40 minutes, and with fares starting at just US$9, it presents an excellent value for a comfortable ride.
Bus San Sebastian to Castro Urdiales: Trip Overview
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Based on 59796 reviews, the company was rated 4.3 stars on Busbud. Travellers were especially satisfied with the ticket access and the staff but often complained with the WiFi. ALSA ticket prices on this trip start at US$19
San Sebastian to Castro Urdiales Bus
Busbud helps you find a bus from San Sebastian to Castro Urdiales. Get the best fare and schedule, book a round trip ticket or find buses with WiFi and electrical outlets.
We make it our job to connect you with the most dependable bus companies that cover bus service from San Sebastian to Castro Urdiales.
Whether it is cheap bus tickets or more luxurious buses going to Castro Urdiales from San Sebastian, we help you find what you're looking for based on how much of a budget you have.
Where are the popular stops in San Sebastian and Castro Urdiales?
Frequently asked questions on the trip San Sebastian - Castro Urdiales
What is the travel distance from San Sebastian to Castro Urdiales?
It's about 101 km (63 miles) from San Sebastian to Castro Urdiales.
What are the departure and arrival locations for buses traveling from San Sebastian to Castro Urdiales?
Buses departing from Donostia in San Sebastian will take you to Terminal de Autobuses de Castro-Urdiales in Castro Urdiales.
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 Aug 2, 2025 with a price of US$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 US$13 to US$14 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 US$13 which is on 2025-08-02.
About Bus Travel
Bus Travel Tips
Make friends with the driver. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between San Sebastian and Castro Urdiales!
From miles long of beauteous natural landscapes to impressive man-crafted sights, you’re bound to be in for a visual treat on your bus trip from San Sebastian to Castro Urdiales.
Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from San Sebastian to Castro Urdiales.
Make a music playlist for your bus ride from San Sebastian to Castro Urdiales, and enjoy the scenery to tunes from your own personal soundtrack.
Did you know?
Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travellers have used their electronic device on board during 2014.
One of the longest bus route in the world goes all the way from Ontario to Alberta in Canada (with the same bus). This trip is 3,435 km or 2,135 miles long and the price is a bit under $100.
9.2% of ground transportation in Europe is done by bus versus 7.4% by train.
Top travelled bus routes
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